Merge branch 'cb/maint-ls-files-error-report'
[gitweb.git] / contrib / completion / git-completion.bash
index 158b91284147d50a24d6dadaa7c5085cf0b7cb55..8648a36e7b8239e969dc8971f451431c298e405e 100755 (executable)
@@ -1,5 +1,6 @@
+#!bash
 #
-# bash completion support for core Git.
+# bash/zsh completion support for core Git.
 #
 # Copyright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
 # Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
 # To use these routines:
 #
 #    1) Copy this file to somewhere (e.g. ~/.git-completion.sh).
-#    2) Added the following line to your .bashrc:
+#    2) Add the following line to your .bashrc/.zshrc:
 #        source ~/.git-completion.sh
 #
-#    3) You may want to make sure the git executable is available
-#       in your PATH before this script is sourced, as some caching
-#       is performed while the script loads.  If git isn't found
-#       at source time then all lookups will be done on demand,
-#       which may be slightly slower.
-#
-#    4) Consider changing your PS1 to also show the current branch:
-#        PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
+#    3) Consider changing your PS1 to also show the current branch:
+#         Bash: PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
+#         ZSH:  PS1='[%n@%m %c$(__git_ps1 " (%s)")]\$ '
 #
 #       The argument to __git_ps1 will be displayed only if you
 #       are currently in a git repository.  The %s token will be
 #       the name of the current branch.
 #
+#       In addition, if you set GIT_PS1_SHOWDIRTYSTATE to a nonempty
+#       value, unstaged (*) and staged (+) changes will be shown next
+#       to the branch name.  You can configure this per-repository
+#       with the bash.showDirtyState variable, which defaults to true
+#       once GIT_PS1_SHOWDIRTYSTATE is enabled.
+#
+#       You can also see if currently something is stashed, by setting
+#       GIT_PS1_SHOWSTASHSTATE to a nonempty value. If something is stashed,
+#       then a '$' will be shown next to the branch name.
+#
+#       If you would like to see if there're untracked files, then you can
+#       set GIT_PS1_SHOWUNTRACKEDFILES to a nonempty value. If there're
+#       untracked files, then a '%' will be shown next to the branch name.
+#
+#       If you would like to see the difference between HEAD and its
+#       upstream, set GIT_PS1_SHOWUPSTREAM="auto".  A "<" indicates
+#       you are behind, ">" indicates you are ahead, and "<>"
+#       indicates you have diverged.  You can further control
+#       behaviour by setting GIT_PS1_SHOWUPSTREAM to a space-separated
+#       list of values:
+#           verbose       show number of commits ahead/behind (+/-) upstream
+#           legacy        don't use the '--count' option available in recent
+#                         versions of git-rev-list
+#           git           always compare HEAD to @{upstream}
+#           svn           always compare HEAD to your SVN upstream
+#       By default, __git_ps1 will compare HEAD to your SVN upstream
+#       if it can find one, or @{upstream} otherwise.  Once you have
+#       set GIT_PS1_SHOWUPSTREAM, you can override it on a
+#       per-repository basis by setting the bash.showUpstream config
+#       variable.
+#
+#
 # To submit patches:
 #
 #    *) Read Documentation/SubmittingPatches
 #       git@vger.kernel.org
 #
 
+if [[ -n ${ZSH_VERSION-} ]]; then
+       autoload -U +X bashcompinit && bashcompinit
+fi
+
 case "$COMP_WORDBREAKS" in
 *:*) : great ;;
 *)   COMP_WORDBREAKS="$COMP_WORDBREAKS:"
 esac
 
+# __gitdir accepts 0 or 1 arguments (i.e., location)
+# returns location of .git repo
 __gitdir ()
 {
-       if [ -z "$1" ]; then
-               if [ -n "$__git_dir" ]; then
+       if [ -z "${1-}" ]; then
+               if [ -n "${__git_dir-}" ]; then
                        echo "$__git_dir"
                elif [ -d .git ]; then
                        echo .git
@@ -67,58 +101,222 @@ __gitdir ()
        fi
 }
 
-__git_ps1 ()
+# stores the divergence from upstream in $p
+# used by GIT_PS1_SHOWUPSTREAM
+__git_ps1_show_upstream ()
 {
-       local g="$(git rev-parse --git-dir 2>/dev/null)"
-       if [ -n "$g" ]; then
-               local r
-               local b
-               if [ -d "$g/rebase-apply" ]
-               then
-                       if test -f "$g/rebase-apply/rebasing"
-                       then
-                               r="|REBASE"
-                       elif test -f "$g/rebase-apply/applying"
-                       then
-                               r="|AM"
+       local key value
+       local svn_remote=() svn_url_pattern count n
+       local upstream=git legacy="" verbose=""
+
+       # get some config options from git-config
+       while read key value; do
+               case "$key" in
+               bash.showupstream)
+                       GIT_PS1_SHOWUPSTREAM="$value"
+                       if [[ -z "${GIT_PS1_SHOWUPSTREAM}" ]]; then
+                               p=""
+                               return
+                       fi
+                       ;;
+               svn-remote.*.url)
+                       svn_remote[ $((${#svn_remote[@]} + 1)) ]="$value"
+                       svn_url_pattern+="\\|$value"
+                       upstream=svn+git # default upstream is SVN if available, else git
+                       ;;
+               esac
+       done < <(git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2>/dev/null | tr '\0\n' '\n ')
+
+       # parse configuration values
+       for option in ${GIT_PS1_SHOWUPSTREAM}; do
+               case "$option" in
+               git|svn) upstream="$option" ;;
+               verbose) verbose=1 ;;
+               legacy)  legacy=1  ;;
+               esac
+       done
+
+       # Find our upstream
+       case "$upstream" in
+       git)    upstream="@{upstream}" ;;
+       svn*)
+               # get the upstream from the "git-svn-id: ..." in a commit message
+               # (git-svn uses essentially the same procedure internally)
+               local svn_upstream=($(git log --first-parent -1 \
+                                       --grep="^git-svn-id: \(${svn_url_pattern#??}\)" 2>/dev/null))
+               if [[ 0 -ne ${#svn_upstream[@]} ]]; then
+                       svn_upstream=${svn_upstream[ ${#svn_upstream[@]} - 2 ]}
+                       svn_upstream=${svn_upstream%@*}
+                       local n_stop="${#svn_remote[@]}"
+                       for ((n=1; n <= n_stop; ++n)); do
+                               svn_upstream=${svn_upstream#${svn_remote[$n]}}
+                       done
+
+                       if [[ -z "$svn_upstream" ]]; then
+                               # default branch name for checkouts with no layout:
+                               upstream=${GIT_SVN_ID:-git-svn}
                        else
-                               r="|AM/REBASE"
+                               upstream=${svn_upstream#/}
                        fi
-                       b="$(git symbolic-ref HEAD 2>/dev/null)"
-               elif [ -f "$g/rebase-merge/interactive" ]
+               elif [[ "svn+git" = "$upstream" ]]; then
+                       upstream="@{upstream}"
+               fi
+               ;;
+       esac
+
+       # Find how many commits we are ahead/behind our upstream
+       if [[ -z "$legacy" ]]; then
+               count="$(git rev-list --count --left-right \
+                               "$upstream"...HEAD 2>/dev/null)"
+       else
+               # produce equivalent output to --count for older versions of git
+               local commits
+               if commits="$(git rev-list --left-right "$upstream"...HEAD 2>/dev/null)"
                then
+                       local commit behind=0 ahead=0
+                       for commit in $commits
+                       do
+                               case "$commit" in
+                               "<"*) let ++behind
+                                       ;;
+                               *)    let ++ahead
+                                       ;;
+                               esac
+                       done
+                       count="$behind  $ahead"
+               else
+                       count=""
+               fi
+       fi
+
+       # calculate the result
+       if [[ -z "$verbose" ]]; then
+               case "$count" in
+               "") # no upstream
+                       p="" ;;
+               "0      0") # equal to upstream
+                       p="=" ;;
+               "0      "*) # ahead of upstream
+                       p=">" ;;
+               *"      0") # behind upstream
+                       p="<" ;;
+               *)          # diverged from upstream
+                       p="<>" ;;
+               esac
+       else
+               case "$count" in
+               "") # no upstream
+                       p="" ;;
+               "0      0") # equal to upstream
+                       p=" u=" ;;
+               "0      "*) # ahead of upstream
+                       p=" u+${count#0 }" ;;
+               *"      0") # behind upstream
+                       p=" u-${count%  0}" ;;
+               *)          # diverged from upstream
+                       p=" u+${count#* }-${count%      *}" ;;
+               esac
+       fi
+
+}
+
+
+# __git_ps1 accepts 0 or 1 arguments (i.e., format string)
+# returns text to add to bash PS1 prompt (includes branch name)
+__git_ps1 ()
+{
+       local g="$(__gitdir)"
+       if [ -n "$g" ]; then
+               local r=""
+               local b=""
+               if [ -f "$g/rebase-merge/interactive" ]; then
                        r="|REBASE-i"
                        b="$(cat "$g/rebase-merge/head-name")"
-               elif [ -d "$g/rebase-merge" ]
-               then
+               elif [ -d "$g/rebase-merge" ]; then
                        r="|REBASE-m"
                        b="$(cat "$g/rebase-merge/head-name")"
-               elif [ -f "$g/MERGE_HEAD" ]
-               then
-                       r="|MERGING"
-                       b="$(git symbolic-ref HEAD 2>/dev/null)"
                else
-                       if [ -f "$g/BISECT_LOG" ]
-                       then
+                       if [ -d "$g/rebase-apply" ]; then
+                               if [ -f "$g/rebase-apply/rebasing" ]; then
+                                       r="|REBASE"
+                               elif [ -f "$g/rebase-apply/applying" ]; then
+                                       r="|AM"
+                               else
+                                       r="|AM/REBASE"
+                               fi
+                       elif [ -f "$g/MERGE_HEAD" ]; then
+                               r="|MERGING"
+                       elif [ -f "$g/CHERRY_PICK_HEAD" ]; then
+                               r="|CHERRY-PICKING"
+                       elif [ -f "$g/BISECT_LOG" ]; then
                                r="|BISECTING"
                        fi
-                       if ! b="$(git symbolic-ref HEAD 2>/dev/null)"
-                       then
-                               if ! b="$(git describe --exact-match HEAD 2>/dev/null)"
-                               then
-                                       b="$(cut -c1-7 "$g/HEAD")..."
+
+                       b="$(git symbolic-ref HEAD 2>/dev/null)" || {
+
+                               b="$(
+                               case "${GIT_PS1_DESCRIBE_STYLE-}" in
+                               (contains)
+                                       git describe --contains HEAD ;;
+                               (branch)
+                                       git describe --contains --all HEAD ;;
+                               (describe)
+                                       git describe HEAD ;;
+                               (* | default)
+                                       git describe --tags --exact-match HEAD ;;
+                               esac 2>/dev/null)" ||
+
+                               b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
+                               b="unknown"
+                               b="($b)"
+                       }
+               fi
+
+               local w=""
+               local i=""
+               local s=""
+               local u=""
+               local c=""
+               local p=""
+
+               if [ "true" = "$(git rev-parse --is-inside-git-dir 2>/dev/null)" ]; then
+                       if [ "true" = "$(git rev-parse --is-bare-repository 2>/dev/null)" ]; then
+                               c="BARE:"
+                       else
+                               b="GIT_DIR!"
+                       fi
+               elif [ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]; then
+                       if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ]; then
+                               if [ "$(git config --bool bash.showDirtyState)" != "false" ]; then
+                                       git diff --no-ext-diff --quiet --exit-code || w="*"
+                                       if git rev-parse --quiet --verify HEAD >/dev/null; then
+                                               git diff-index --cached --quiet HEAD -- || i="+"
+                                       else
+                                               i="#"
+                                       fi
                                fi
                        fi
-               fi
+                       if [ -n "${GIT_PS1_SHOWSTASHSTATE-}" ]; then
+                               git rev-parse --verify refs/stash >/dev/null 2>&1 && s="$"
+                       fi
 
-               if [ -n "$1" ]; then
-                       printf "$1" "${b##refs/heads/}$r"
-               else
-                       printf " (%s)" "${b##refs/heads/}$r"
+                       if [ -n "${GIT_PS1_SHOWUNTRACKEDFILES-}" ]; then
+                          if [ -n "$(git ls-files --others --exclude-standard)" ]; then
+                             u="%"
+                          fi
+                       fi
+
+                       if [ -n "${GIT_PS1_SHOWUPSTREAM-}" ]; then
+                               __git_ps1_show_upstream
+                       fi
                fi
+
+               local f="$w$i$s$u"
+               printf "${1:- (%s)}" "$c${b##refs/heads/}${f:+ $f}$r$p"
        fi
 }
 
+# __gitcomp_1 requires 2 arguments
 __gitcomp_1 ()
 {
        local c IFS=' '$'\t'$'\n'
@@ -131,37 +329,194 @@ __gitcomp_1 ()
        done
 }
 
+# The following function is based on code from:
+#
+#   bash_completion - programmable completion functions for bash 3.2+
+#
+#   Copyright Â© 2006-2008, Ian Macdonald <ian@caliban.org>
+#             Â© 2009-2010, Bash Completion Maintainers
+#                     <bash-completion-devel@lists.alioth.debian.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2, or (at your option)
+#   any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software Foundation,
+#   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#   The latest version of this software can be obtained here:
+#
+#   http://bash-completion.alioth.debian.org/
+#
+#   RELEASE: 2.x
+
+# This function can be used to access a tokenized list of words
+# on the command line:
+#
+#      __git_reassemble_comp_words_by_ref '=:'
+#      if test "${words_[cword_-1]}" = -w
+#      then
+#              ...
+#      fi
+#
+# The argument should be a collection of characters from the list of
+# word completion separators (COMP_WORDBREAKS) to treat as ordinary
+# characters.
+#
+# This is roughly equivalent to going back in time and setting
+# COMP_WORDBREAKS to exclude those characters.  The intent is to
+# make option types like --date=<type> and <rev>:<path> easy to
+# recognize by treating each shell word as a single token.
+#
+# It is best not to set COMP_WORDBREAKS directly because the value is
+# shared with other completion scripts.  By the time the completion
+# function gets called, COMP_WORDS has already been populated so local
+# changes to COMP_WORDBREAKS have no effect.
+#
+# Output: words_, cword_, cur_.
+
+__git_reassemble_comp_words_by_ref()
+{
+       local exclude i j first
+       # Which word separators to exclude?
+       exclude="${1//[^$COMP_WORDBREAKS]}"
+       cword_=$COMP_CWORD
+       if [ -z "$exclude" ]; then
+               words_=("${COMP_WORDS[@]}")
+               return
+       fi
+       # List of word completion separators has shrunk;
+       # re-assemble words to complete.
+       for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
+               # Append each nonempty word consisting of just
+               # word separator characters to the current word.
+               first=t
+               while
+                       [ $i -gt 0 ] &&
+                       [ -n "${COMP_WORDS[$i]}" ] &&
+                       # word consists of excluded word separators
+                       [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
+               do
+                       # Attach to the previous token,
+                       # unless the previous token is the command name.
+                       if [ $j -ge 2 ] && [ -n "$first" ]; then
+                               ((j--))
+                       fi
+                       first=
+                       words_[$j]=${words_[j]}${COMP_WORDS[i]}
+                       if [ $i = $COMP_CWORD ]; then
+                               cword_=$j
+                       fi
+                       if (($i < ${#COMP_WORDS[@]} - 1)); then
+                               ((i++))
+                       else
+                               # Done.
+                               return
+                       fi
+               done
+               words_[$j]=${words_[j]}${COMP_WORDS[i]}
+               if [ $i = $COMP_CWORD ]; then
+                       cword_=$j
+               fi
+       done
+}
+
+if ! type _get_comp_words_by_ref >/dev/null 2>&1; then
+if [[ -z ${ZSH_VERSION:+set} ]]; then
+_get_comp_words_by_ref ()
+{
+       local exclude cur_ words_ cword_
+       if [ "$1" = "-n" ]; then
+               exclude=$2
+               shift 2
+       fi
+       __git_reassemble_comp_words_by_ref "$exclude"
+       cur_=${words_[cword_]}
+       while [ $# -gt 0 ]; do
+               case "$1" in
+               cur)
+                       cur=$cur_
+                       ;;
+               prev)
+                       prev=${words_[$cword_-1]}
+                       ;;
+               words)
+                       words=("${words_[@]}")
+                       ;;
+               cword)
+                       cword=$cword_
+                       ;;
+               esac
+               shift
+       done
+}
+else
+_get_comp_words_by_ref ()
+{
+       while [ $# -gt 0 ]; do
+               case "$1" in
+               cur)
+                       cur=${COMP_WORDS[COMP_CWORD]}
+                       ;;
+               prev)
+                       prev=${COMP_WORDS[COMP_CWORD-1]}
+                       ;;
+               words)
+                       words=("${COMP_WORDS[@]}")
+                       ;;
+               cword)
+                       cword=$COMP_CWORD
+                       ;;
+               -n)
+                       # assume COMP_WORDBREAKS is already set sanely
+                       shift
+                       ;;
+               esac
+               shift
+       done
+}
+fi
+fi
+
+# __gitcomp accepts 1, 2, 3, or 4 arguments
+# generates completion reply with compgen
 __gitcomp ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
+       local cur_="$cur"
+
        if [ $# -gt 2 ]; then
-               cur="$3"
+               cur_="$3"
        fi
-       case "$cur" in
+       case "$cur_" in
        --*=)
                COMPREPLY=()
                ;;
        *)
                local IFS=$'\n'
-               COMPREPLY=($(compgen -P "$2" \
-                       -W "$(__gitcomp_1 "$1" "$4")" \
-                       -- "$cur"))
+               COMPREPLY=($(compgen -P "${2-}" \
+                       -W "$(__gitcomp_1 "${1-}" "${4-}")" \
+                       -- "$cur_"))
                ;;
        esac
 }
 
+# __git_heads accepts 0 or 1 arguments (to pass to __gitdir)
 __git_heads ()
 {
-       local cmd i is_hash=y dir="$(__gitdir "$1")"
+       local cmd i is_hash=y dir="$(__gitdir "${1-}")"
        if [ -d "$dir" ]; then
-               for i in $(git --git-dir="$dir" \
-                       for-each-ref --format='%(refname)' \
-                       refs/heads ); do
-                       echo "${i#refs/heads/}"
-               done
+               git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
+                       refs/heads
                return
        fi
-       for i in $(git ls-remote "$1" 2>/dev/null); do
+       for i in $(git ls-remote "${1-}" 2>/dev/null); do
                case "$is_hash,$i" in
                y,*) is_hash=n ;;
                n,*^{}) is_hash=y ;;
@@ -171,18 +526,16 @@ __git_heads ()
        done
 }
 
+# __git_tags accepts 0 or 1 arguments (to pass to __gitdir)
 __git_tags ()
 {
-       local cmd i is_hash=y dir="$(__gitdir "$1")"
+       local cmd i is_hash=y dir="$(__gitdir "${1-}")"
        if [ -d "$dir" ]; then
-               for i in $(git --git-dir="$dir" \
-                       for-each-ref --format='%(refname)' \
-                       refs/tags ); do
-                       echo "${i#refs/tags/}"
-               done
+               git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
+                       refs/tags
                return
        fi
-       for i in $(git ls-remote "$1" 2>/dev/null); do
+       for i in $(git ls-remote "${1-}" 2>/dev/null); do
                case "$is_hash,$i" in
                y,*) is_hash=n ;;
                n,*^{}) is_hash=y ;;
@@ -192,21 +545,45 @@ __git_tags ()
        done
 }
 
+# __git_refs accepts 0, 1 (to pass to __gitdir), or 2 arguments
+# presence of 2nd argument means use the guess heuristic employed
+# by checkout for tracking branches
 __git_refs ()
 {
-       local cmd i is_hash=y dir="$(__gitdir "$1")"
+       local i is_hash=y dir="$(__gitdir "${1-}")" track="${2-}"
+       local format refs
        if [ -d "$dir" ]; then
-               if [ -e "$dir/HEAD" ]; then echo HEAD; fi
-               for i in $(git --git-dir="$dir" \
-                       for-each-ref --format='%(refname)' \
-                       refs/tags refs/heads refs/remotes); do
-                       case "$i" in
-                               refs/tags/*)    echo "${i#refs/tags/}" ;;
-                               refs/heads/*)   echo "${i#refs/heads/}" ;;
-                               refs/remotes/*) echo "${i#refs/remotes/}" ;;
-                               *)              echo "$i" ;;
-                       esac
-               done
+               case "$cur" in
+               refs|refs/*)
+                       format="refname"
+                       refs="${cur%/*}"
+                       track=""
+                       ;;
+               *)
+                       for i in HEAD FETCH_HEAD ORIG_HEAD MERGE_HEAD; do
+                               if [ -e "$dir/$i" ]; then echo $i; fi
+                       done
+                       format="refname:short"
+                       refs="refs/tags refs/heads refs/remotes"
+                       ;;
+               esac
+               git --git-dir="$dir" for-each-ref --format="%($format)" \
+                       $refs
+               if [ -n "$track" ]; then
+                       # employ the heuristic used by git checkout
+                       # Try to find a remote branch that matches the completion word
+                       # but only output if the branch name is unique
+                       local ref entry
+                       git --git-dir="$dir" for-each-ref --shell --format="ref=%(refname:short)" \
+                               "refs/remotes/" | \
+                       while read entry; do
+                               eval "$entry"
+                               ref="${ref#*/}"
+                               if [[ "$ref" == "$cur"* ]]; then
+                                       echo "$ref"
+                               fi
+                       done | uniq -u
+               fi
                return
        fi
        for i in $(git ls-remote "$dir" 2>/dev/null); do
@@ -221,6 +598,7 @@ __git_refs ()
        done
 }
 
+# __git_refs2 requires 1 argument (to pass to __git_refs)
 __git_refs2 ()
 {
        local i
@@ -229,6 +607,7 @@ __git_refs2 ()
        done
 }
 
+# __git_refs_remotes requires 1 argument (to pass to ls-remote)
 __git_refs_remotes ()
 {
        local cmd i is_hash=y
@@ -249,56 +628,62 @@ __git_refs_remotes ()
 __git_remotes ()
 {
        local i ngoff IFS=$'\n' d="$(__gitdir)"
-       shopt -q nullglob || ngoff=1
-       shopt -s nullglob
+       __git_shopt -q nullglob || ngoff=1
+       __git_shopt -s nullglob
        for i in "$d/remotes"/*; do
                echo ${i#$d/remotes/}
        done
-       [ "$ngoff" ] && shopt -u nullglob
-       for i in $(git --git-dir="$d" config --list); do
-               case "$i" in
-               remote.*.url=*)
-                       i="${i#remote.}"
-                       echo "${i/.url=*/}"
-                       ;;
-               esac
+       [ "$ngoff" ] && __git_shopt -u nullglob
+       for i in $(git --git-dir="$d" config --get-regexp 'remote\..*\.url' 2>/dev/null); do
+               i="${i#remote.}"
+               echo "${i/.url*/}"
        done
 }
 
-__git_merge_strategies ()
+__git_list_merge_strategies ()
 {
-       if [ -n "$__git_merge_strategylist" ]; then
-               echo "$__git_merge_strategylist"
-               return
-       fi
-       sed -n "/^all_strategies='/{
-               s/^all_strategies='//
-               s/'//
+       git merge -s help 2>&1 |
+       sed -n -e '/[Aa]vailable strategies are: /,/^$/{
+               s/\.$//
+               s/.*://
+               s/^[    ]*//
+               s/[     ]*$//
                p
-               q
-               }" "$(git --exec-path)/git-merge"
+       }'
 }
-__git_merge_strategylist=
-__git_merge_strategylist="$(__git_merge_strategies 2>/dev/null)"
 
-__git_complete_file ()
+__git_merge_strategies=
+# 'git merge -s help' (and thus detection of the merge strategy
+# list) fails, unfortunately, if run outside of any git working
+# tree.  __git_merge_strategies is set to the empty string in
+# that case, and the detection will be repeated the next time it
+# is needed.
+__git_compute_merge_strategies ()
 {
-       local pfx ls ref cur="${COMP_WORDS[COMP_CWORD]}"
-       case "$cur" in
+       : ${__git_merge_strategies:=$(__git_list_merge_strategies)}
+}
+
+__git_complete_revlist_file ()
+{
+       local pfx ls ref cur_="$cur"
+       case "$cur_" in
+       *..?*:*)
+               return
+               ;;
        ?*:*)
-               ref="${cur%%:*}"
-               cur="${cur#*:}"
-               case "$cur" in
+               ref="${cur_%%:*}"
+               cur_="${cur_#*:}"
+               case "$cur_" in
                ?*/*)
-                       pfx="${cur%/*}"
-                       cur="${cur##*/}"
+                       pfx="${cur_%/*}"
+                       cur_="${cur_##*/}"
                        ls="$ref:$pfx"
                        pfx="$pfx/"
                        ;;
                *)
                        ls="$ref"
                        ;;
-           esac
+               esac
 
                case "$COMP_WORDBREAKS" in
                *:*) : great ;;
@@ -321,7 +706,17 @@ __git_complete_file ()
                                           s,$,/,
                                       }
                                       s/^.*    //')" \
-                       -- "$cur"))
+                       -- "$cur_"))
+               ;;
+       *...*)
+               pfx="${cur_%...*}..."
+               cur_="${cur_#*...}"
+               __gitcomp "$(__git_refs)" "$pfx" "$cur_"
+               ;;
+       *..*)
+               pfx="${cur_%..*}.."
+               cur_="${cur_#*..}"
+               __gitcomp "$(__git_refs)" "$pfx" "$cur_"
                ;;
        *)
                __gitcomp "$(__git_refs)"
@@ -329,34 +724,109 @@ __git_complete_file ()
        esac
 }
 
+
+__git_complete_file ()
+{
+       __git_complete_revlist_file
+}
+
 __git_complete_revlist ()
 {
-       local pfx cur="${COMP_WORDS[COMP_CWORD]}"
-       case "$cur" in
-       *...*)
-               pfx="${cur%...*}..."
-               cur="${cur#*...}"
-               __gitcomp "$(__git_refs)" "$pfx" "$cur"
+       __git_complete_revlist_file
+}
+
+__git_complete_remote_or_refspec ()
+{
+       local cur_="$cur" cmd="${words[1]}"
+       local i c=2 remote="" pfx="" lhs=1 no_complete_refspec=0
+       while [ $c -lt $cword ]; do
+               i="${words[c]}"
+               case "$i" in
+               --mirror) [ "$cmd" = "push" ] && no_complete_refspec=1 ;;
+               --all)
+                       case "$cmd" in
+                       push) no_complete_refspec=1 ;;
+                       fetch)
+                               COMPREPLY=()
+                               return
+                               ;;
+                       *) ;;
+                       esac
+                       ;;
+               -*) ;;
+               *) remote="$i"; break ;;
+               esac
+               c=$((++c))
+       done
+       if [ -z "$remote" ]; then
+               __gitcomp "$(__git_remotes)"
+               return
+       fi
+       if [ $no_complete_refspec = 1 ]; then
+               COMPREPLY=()
+               return
+       fi
+       [ "$remote" = "." ] && remote=
+       case "$cur_" in
+       *:*)
+               case "$COMP_WORDBREAKS" in
+               *:*) : great ;;
+               *)   pfx="${cur_%%:*}:" ;;
+               esac
+               cur_="${cur_#*:}"
+               lhs=0
                ;;
-       *..*)
-               pfx="${cur%..*}.."
-               cur="${cur#*..}"
-               __gitcomp "$(__git_refs)" "$pfx" "$cur"
+       +*)
+               pfx="+"
+               cur_="${cur_#+}"
                ;;
-       *)
-               __gitcomp "$(__git_refs)"
+       esac
+       case "$cmd" in
+       fetch)
+               if [ $lhs = 1 ]; then
+                       __gitcomp "$(__git_refs2 "$remote")" "$pfx" "$cur_"
+               else
+                       __gitcomp "$(__git_refs)" "$pfx" "$cur_"
+               fi
+               ;;
+       pull)
+               if [ $lhs = 1 ]; then
+                       __gitcomp "$(__git_refs "$remote")" "$pfx" "$cur_"
+               else
+                       __gitcomp "$(__git_refs)" "$pfx" "$cur_"
+               fi
+               ;;
+       push)
+               if [ $lhs = 1 ]; then
+                       __gitcomp "$(__git_refs)" "$pfx" "$cur_"
+               else
+                       __gitcomp "$(__git_refs "$remote")" "$pfx" "$cur_"
+               fi
                ;;
        esac
 }
 
-__git_all_commands ()
+__git_complete_strategy ()
+{
+       __git_compute_merge_strategies
+       case "$prev" in
+       -s|--strategy)
+               __gitcomp "$__git_merge_strategies"
+               return 0
+       esac
+       case "$cur" in
+       --strategy=*)
+               __gitcomp "$__git_merge_strategies" "" "${cur##--strategy=}"
+               return 0
+               ;;
+       esac
+       return 1
+}
+
+__git_list_all_commands ()
 {
-       if [ -n "$__git_all_commandlist" ]; then
-               echo "$__git_all_commandlist"
-               return
-       fi
        local i IFS=" "$'\n'
-       for i in $(git help -a|egrep '^ ')
+       for i in $(git help -a|egrep '^  [a-zA-Z0-9]')
        do
                case $i in
                *--*)             : helper pattern;;
@@ -364,17 +834,18 @@ __git_all_commands ()
                esac
        done
 }
-__git_all_commandlist=
-__git_all_commandlist="$(__git_all_commands 2>/dev/null)"
 
-__git_porcelain_commands ()
+__git_all_commands=
+__git_compute_all_commands ()
+{
+       : ${__git_all_commands:=$(__git_list_all_commands)}
+}
+
+__git_list_porcelain_commands ()
 {
-       if [ -n "$__git_porcelain_commandlist" ]; then
-               echo "$__git_porcelain_commandlist"
-               return
-       fi
        local i IFS=" "$'\n'
-       for i in "help" $(__git_all_commands)
+       __git_compute_all_commands
+       for i in "help" $__git_all_commands
        do
                case $i in
                *--*)             : helper pattern;;
@@ -384,7 +855,9 @@ __git_porcelain_commands ()
                cat-file)         : plumbing;;
                check-attr)       : plumbing;;
                check-ref-format) : plumbing;;
+               checkout-index)   : plumbing;;
                commit-tree)      : plumbing;;
+               count-objects)    : infrequent;;
                cvsexportcommit)  : export;;
                cvsimport)        : import;;
                cvsserver)        : daemon;;
@@ -393,6 +866,7 @@ __git_porcelain_commands ()
                diff-index)       : plumbing;;
                diff-tree)        : plumbing;;
                fast-import)      : import;;
+               fast-export)      : export;;
                fsck-objects)     : plumbing;;
                fetch-pack)       : plumbing;;
                fmt-merge-msg)    : plumbing;;
@@ -402,6 +876,10 @@ __git_porcelain_commands ()
                index-pack)       : plumbing;;
                init-db)          : deprecated;;
                local-fetch)      : plumbing;;
+               lost-found)       : infrequent;;
+               ls-files)         : plumbing;;
+               ls-remote)        : plumbing;;
+               ls-tree)          : plumbing;;
                mailinfo)         : plumbing;;
                mailsplit)        : plumbing;;
                merge-*)          : plumbing;;
@@ -418,7 +896,7 @@ __git_porcelain_commands ()
                quiltimport)      : import;;
                read-tree)        : plumbing;;
                receive-pack)     : plumbing;;
-               reflog)           : plumbing;;
+               remote-*)         : transport;;
                repo-config)      : deprecated;;
                rerere)           : plumbing;;
                rev-list)         : plumbing;;
@@ -426,6 +904,7 @@ __git_porcelain_commands ()
                runstatus)        : plumbing;;
                sh-setup)         : internal;;
                shell)            : daemon;;
+               show-ref)         : plumbing;;
                send-pack)        : plumbing;;
                show-index)       : plumbing;;
                ssh-*)            : transport;;
@@ -440,45 +919,75 @@ __git_porcelain_commands ()
                upload-archive)   : plumbing;;
                upload-pack)      : plumbing;;
                write-tree)       : plumbing;;
+               var)              : infrequent;;
+               verify-pack)      : infrequent;;
                verify-tag)       : plumbing;;
                *) echo $i;;
                esac
        done
 }
-__git_porcelain_commandlist=
-__git_porcelain_commandlist="$(__git_porcelain_commands 2>/dev/null)"
+
+__git_porcelain_commands=
+__git_compute_porcelain_commands ()
+{
+       __git_compute_all_commands
+       : ${__git_porcelain_commands:=$(__git_list_porcelain_commands)}
+}
+
+__git_pretty_aliases ()
+{
+       local i IFS=$'\n'
+       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "pretty\..*" 2>/dev/null); do
+               case "$i" in
+               pretty.*)
+                       i="${i#pretty.}"
+                       echo "${i/ */}"
+                       ;;
+               esac
+       done
+}
 
 __git_aliases ()
 {
        local i IFS=$'\n'
-       for i in $(git --git-dir="$(__gitdir)" config --list); do
+       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "alias\..*" 2>/dev/null); do
                case "$i" in
                alias.*)
                        i="${i#alias.}"
-                       echo "${i/=*/}"
+                       echo "${i/ */}"
                        ;;
                esac
        done
 }
 
+# __git_aliased_command requires 1 argument
 __git_aliased_command ()
 {
        local word cmdline=$(git --git-dir="$(__gitdir)" \
                config --get "alias.$1")
        for word in $cmdline; do
-               if [ "${word##-*}" ]; then
-                       echo $word
+               case "$word" in
+               \!gitk|gitk)
+                       echo "gitk"
                        return
-               fi
+                       ;;
+               \!*)    : shell command alias ;;
+               -*)     : option ;;
+               *=*)    : setting env ;;
+               git)    : git itself ;;
+               *)
+                       echo "$word"
+                       return
+               esac
        done
 }
 
-__git_find_subcommand ()
+# __git_find_on_cmdline requires 1 argument
+__git_find_on_cmdline ()
 {
        local word subcommand c=1
-
-       while [ $c -lt $COMP_CWORD ]; do
-               word="${COMP_WORDS[c]}"
+       while [ $c -lt $cword ]; do
+               word="${words[c]}"
                for subcommand in $1; do
                        if [ "$subcommand" = "$word" ]; then
                                echo "$subcommand"
@@ -492,8 +1001,8 @@ __git_find_subcommand ()
 __git_has_doubledash ()
 {
        local c=1
-       while [ $c -lt $COMP_CWORD ]; do
-               if [ "--" = "${COMP_WORDS[c]}" ]; then
+       while [ $c -lt $cword ]; do
+               if [ "--" = "${words[c]}" ]; then
                        return 0
                fi
                c=$((++c))
@@ -505,9 +1014,9 @@ __git_whitespacelist="nowarn warn error error-all fix"
 
 _git_am ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}" dir="$(__gitdir)"
+       local dir="$(__gitdir)"
        if [ -d "$dir"/rebase-apply ]; then
-               __gitcomp "--skip --resolved --abort"
+               __gitcomp "--skip --continue --resolved --abort"
                return
        fi
        case "$cur" in
@@ -517,8 +1026,10 @@ _git_am ()
                ;;
        --*)
                __gitcomp "
-                       --signoff --utf8 --binary --3way --interactive
-                       --whitespace=
+                       --3way --committer-date-is-author-date --ignore-date
+                       --ignore-whitespace --ignore-space-change
+                       --interactive --keep --no-utf8 --signoff --utf8
+                       --whitespace= --scissors
                        "
                return
        esac
@@ -527,7 +1038,6 @@ _git_am ()
 
 _git_apply ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --whitespace=*)
                __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
@@ -538,6 +1048,7 @@ _git_apply ()
                        --stat --numstat --summary --check --index
                        --cached --index-info --reverse --reject --unidiff-zero
                        --apply --no-add --exclude=
+                       --ignore-whitespace --ignore-space-change
                        --whitespace= --inaccurate-eof --verbose
                        "
                return
@@ -549,12 +1060,11 @@ _git_add ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "
                        --interactive --refresh --patch --update --dry-run
-                       --ignore-errors
+                       --ignore-errors --intent-to-add
                        "
                return
        esac
@@ -563,7 +1073,6 @@ _git_add ()
 
 _git_archive ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --format=*)
                __gitcomp "$(git archive --list)" "" "${cur##--format=}"
@@ -589,14 +1098,18 @@ _git_bisect ()
        __git_has_doubledash && return
 
        local subcommands="start bad good skip reset visualize replay log run"
-       local subcommand="$(__git_find_subcommand "$subcommands")"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
        if [ -z "$subcommand" ]; then
-               __gitcomp "$subcommands"
+               if [ -f "$(__gitdir)"/BISECT_START ]; then
+                       __gitcomp "$subcommands"
+               else
+                       __gitcomp "replay start"
+               fi
                return
        fi
 
        case "$subcommand" in
-       bad|good|reset|skip)
+       bad|good|reset|skip|start)
                __gitcomp "$(__git_refs)"
                ;;
        *)
@@ -609,8 +1122,8 @@ _git_branch ()
 {
        local i c=1 only_local_ref="n" has_r="n"
 
-       while [ $c -lt $COMP_CWORD ]; do
-               i="${COMP_WORDS[c]}"
+       while [ $c -lt $cword ]; do
+               i="${words[c]}"
                case "$i" in
                -d|-m)  only_local_ref="y" ;;
                -r)     has_r="y" ;;
@@ -618,12 +1131,12 @@ _git_branch ()
                c=$((++c))
        done
 
-       case "${COMP_WORDS[COMP_CWORD]}" in
-       --*=*)  COMPREPLY=() ;;
+       case "$cur" in
        --*)
                __gitcomp "
                        --color --no-color --verbose --abbrev= --no-abbrev
                        --track --no-track --contains --merged --no-merged
+                       --set-upstream
                        "
                ;;
        *)
@@ -638,21 +1151,12 @@ _git_branch ()
 
 _git_bundle ()
 {
-       local mycword="$COMP_CWORD"
-       case "${COMP_WORDS[0]}" in
-       git)
-               local cmd="${COMP_WORDS[2]}"
-               mycword="$((mycword-1))"
-               ;;
-       git-bundle*)
-               local cmd="${COMP_WORDS[1]}"
-               ;;
-       esac
-       case "$mycword" in
-       1)
+       local cmd="${words[2]}"
+       case "$cword" in
+       2)
                __gitcomp "create list-heads verify unbundle"
                ;;
-       2)
+       3)
                # looking for a file
                ;;
        *)
@@ -669,7 +1173,26 @@ _git_checkout ()
 {
        __git_has_doubledash && return
 
-       __gitcomp "$(__git_refs)"
+       case "$cur" in
+       --conflict=*)
+               __gitcomp "diff3 merge" "" "${cur##--conflict=}"
+               ;;
+       --*)
+               __gitcomp "
+                       --quiet --ours --theirs --track --no-track --merge
+                       --conflict= --orphan --patch
+                       "
+               ;;
+       *)
+               # check if --track, --no-track, or --no-guess was specified
+               # if so, disable DWIM mode
+               local flags="--track --no-track --no-guess" track=1
+               if [ -n "$(__git_find_on_cmdline "$flags")" ]; then
+                       track=''
+               fi
+               __gitcomp "$(__git_refs '' $track)"
+               ;;
+       esac
 }
 
 _git_cherry ()
@@ -679,7 +1202,6 @@ _git_cherry ()
 
 _git_cherry_pick ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--edit --no-commit"
@@ -694,7 +1216,6 @@ _git_clean ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--dry-run --quiet"
@@ -706,7 +1227,6 @@ _git_clean ()
 
 _git_clone ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "
@@ -733,12 +1253,32 @@ _git_commit ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
+       --cleanup=*)
+               __gitcomp "default strip verbatim whitespace
+                       " "" "${cur##--cleanup=}"
+               return
+               ;;
+       --reuse-message=*)
+               __gitcomp "$(__git_refs)" "" "${cur##--reuse-message=}"
+               return
+               ;;
+       --reedit-message=*)
+               __gitcomp "$(__git_refs)" "" "${cur##--reedit-message=}"
+               return
+               ;;
+       --untracked-files=*)
+               __gitcomp "all no normal" "" "${cur##--untracked-files=}"
+               return
+               ;;
        --*)
                __gitcomp "
                        --all --author= --signoff --verify --no-verify
-                       --edit --amend --include --only
+                       --edit --amend --include --only --interactive
+                       --dry-run --reuse-message= --reedit-message=
+                       --reset-author --file= --message= --template=
+                       --cleanup= --untracked-files --untracked-files=
+                       --verbose --quiet
                        "
                return
        esac
@@ -747,7 +1287,6 @@ _git_commit ()
 
 _git_describe ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "
@@ -759,81 +1298,103 @@ _git_describe ()
        __gitcomp "$(__git_refs)"
 }
 
-_git_diff ()
-{
-       __git_has_doubledash && return
-
-       local cur="${COMP_WORDS[COMP_CWORD]}"
-       case "$cur" in
-       --*)
-               __gitcomp "--cached --stat --numstat --shortstat --summary
+__git_diff_common_options="--stat --numstat --shortstat --summary
                        --patch-with-stat --name-only --name-status --color
                        --no-color --color-words --no-renames --check
-                       --full-index --binary --abbrev --diff-filter
-                       --find-copies-harder --pickaxe-all --pickaxe-regex
+                       --full-index --binary --abbrev --diff-filter=
+                       --find-copies-harder
                        --text --ignore-space-at-eol --ignore-space-change
                        --ignore-all-space --exit-code --quiet --ext-diff
                        --no-ext-diff
                        --no-prefix --src-prefix= --dst-prefix=
-                       --base --ours --theirs
+                       --inter-hunk-context=
+                       --patience
+                       --raw
+                       --dirstat --dirstat= --dirstat-by-file
+                       --dirstat-by-file= --cumulative
+"
+
+_git_diff ()
+{
+       __git_has_doubledash && return
+
+       case "$cur" in
+       --*)
+               __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
+                       --base --ours --theirs --no-index
+                       $__git_diff_common_options
                        "
                return
                ;;
        esac
-       __git_complete_file
+       __git_complete_revlist_file
 }
 
-_git_fetch ()
+__git_mergetools_common="diffuse ecmerge emerge kdiff3 meld opendiff
+                       tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc3
+"
+
+_git_difftool ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
+       __git_has_doubledash && return
 
-       case "${COMP_WORDS[0]},$COMP_CWORD" in
-       git-fetch*,1)
-               __gitcomp "$(__git_remotes)"
+       case "$cur" in
+       --tool=*)
+               __gitcomp "$__git_mergetools_common kompare" "" "${cur##--tool=}"
+               return
                ;;
-       git,2)
-               __gitcomp "$(__git_remotes)"
+       --*)
+               __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
+                       --base --ours --theirs
+                       --no-renames --diff-filter= --find-copies-harder
+                       --relative --ignore-submodules
+                       --tool="
+               return
                ;;
-       *)
-               case "$cur" in
-               *:*)
-                       local pfx=""
-                       case "$COMP_WORDBREAKS" in
-                       *:*) : great ;;
-                       *)   pfx="${cur%%:*}:" ;;
-                       esac
-                       __gitcomp "$(__git_refs)" "$pfx" "${cur#*:}"
-                       ;;
-               *)
-                       local remote
-                       case "${COMP_WORDS[0]}" in
-                       git-fetch) remote="${COMP_WORDS[1]}" ;;
-                       git)       remote="${COMP_WORDS[2]}" ;;
-                       esac
-                       __gitcomp "$(__git_refs2 "$remote")"
-                       ;;
-               esac
+       esac
+       __git_complete_file
+}
+
+__git_fetch_options="
+       --quiet --verbose --append --upload-pack --force --keep --depth=
+       --tags --no-tags --all --prune --dry-run
+"
+
+_git_fetch ()
+{
+       case "$cur" in
+       --*)
+               __gitcomp "$__git_fetch_options"
+               return
                ;;
        esac
+       __git_complete_remote_or_refspec
 }
 
 _git_format_patch ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
+       --thread=*)
+               __gitcomp "
+                       deep shallow
+                       " "" "${cur##--thread=}"
+               return
+               ;;
        --*)
                __gitcomp "
-                       --stdout --attach --thread
+                       --stdout --attach --no-attach --thread --thread=
                        --output-directory
                        --numbered --start-number
                        --numbered-files
                        --keep-subject
-                       --signoff
-                       --in-reply-to=
+                       --signoff --signature --no-signature
+                       --in-reply-to= --cc=
                        --full-index --binary
                        --not --all
                        --cover-letter
                        --no-prefix --src-prefix= --dst-prefix=
+                       --inline --suffix= --ignore-if-in-upstream
+                       --subject-prefix=
                        "
                return
                ;;
@@ -841,9 +1402,22 @@ _git_format_patch ()
        __git_complete_revlist
 }
 
+_git_fsck ()
+{
+       case "$cur" in
+       --*)
+               __gitcomp "
+                       --tags --root --unreachable --cache --no-reflogs --full
+                       --strict --verbose --lost-found
+                       "
+               return
+               ;;
+       esac
+       COMPREPLY=()
+}
+
 _git_gc ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--prune --aggressive"
@@ -853,48 +1427,55 @@ _git_gc ()
        COMPREPLY=()
 }
 
+_git_gitk ()
+{
+       _gitk
+}
+
 _git_grep ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "
                        --cached
                        --text --ignore-case --word-regexp --invert-match
-                       --full-name
+                       --full-name --line-number
                        --extended-regexp --basic-regexp --fixed-strings
+                       --perl-regexp
                        --files-with-matches --name-only
                        --files-without-match
+                       --max-depth
                        --count
                        --and --or --not --all-match
                        "
                return
                ;;
        esac
-       COMPREPLY=()
+
+       __gitcomp "$(__git_refs)"
 }
 
 _git_help ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--all --info --man --web"
                return
                ;;
        esac
-       __gitcomp "$(__git_all_commands)
+       __git_compute_all_commands
+       __gitcomp "$__git_all_commands $(__git_aliases)
                attributes cli core-tutorial cvs-migration
                diffcore gitk glossary hooks ignore modules
-               repository-layout tutorial tutorial-2
+               namespaces repository-layout tutorial tutorial-2
+               workflows
                "
 }
 
 _git_init ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --shared=*)
                __gitcomp "
@@ -914,7 +1495,6 @@ _git_ls_files ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--cached --deleted --modified --others --ignored
@@ -940,43 +1520,78 @@ _git_ls_tree ()
        __git_complete_file
 }
 
+# Options that go well for log, shortlog and gitk
+__git_log_common_options="
+       --not --all
+       --branches --tags --remotes
+       --first-parent --merges --no-merges
+       --max-count=
+       --max-age= --since= --after=
+       --min-age= --until= --before=
+       --min-parents= --max-parents=
+       --no-min-parents --no-max-parents
+"
+# Options that go well for log and gitk (not shortlog)
+__git_log_gitk_options="
+       --dense --sparse --full-history
+       --simplify-merges --simplify-by-decoration
+       --left-right --notes --no-notes
+"
+# Options that go well for log and shortlog (not gitk)
+__git_log_shortlog_options="
+       --author= --committer= --grep=
+       --all-match
+"
+
+__git_log_pretty_formats="oneline short medium full fuller email raw format:"
+__git_log_date_formats="relative iso8601 rfc2822 short local default raw"
+
 _git_log ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
+       local g="$(git rev-parse --git-dir 2>/dev/null)"
+       local merge=""
+       if [ -f "$g/MERGE_HEAD" ]; then
+               merge="--merge"
+       fi
        case "$cur" in
        --pretty=*)
-               __gitcomp "
-                       oneline short medium full fuller email raw
+               __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
                        " "" "${cur##--pretty=}"
                return
                ;;
+       --format=*)
+               __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
+                       " "" "${cur##--format=}"
+               return
+               ;;
        --date=*)
-               __gitcomp "
-                       relative iso8601 rfc2822 short local default
-               " "" "${cur##--date=}"
+               __gitcomp "$__git_log_date_formats" "" "${cur##--date=}"
+               return
+               ;;
+       --decorate=*)
+               __gitcomp "long short" "" "${cur##--decorate=}"
                return
                ;;
        --*)
                __gitcomp "
-                       --max-count= --max-age= --since= --after=
-                       --min-age= --before= --until=
+                       $__git_log_common_options
+                       $__git_log_shortlog_options
+                       $__git_log_gitk_options
                        --root --topo-order --date-order --reverse
-                       --no-merges --follow
+                       --follow --full-diff
                        --abbrev-commit --abbrev=
                        --relative-date --date=
-                       --author= --committer= --grep=
-                       --all-match
-                       --pretty= --name-status --name-only --raw
-                       --not --all
-                       --left-right --cherry-pick
+                       --pretty= --format= --oneline
+                       --cherry-pick
                        --graph
-                       --stat --numstat --shortstat
-                       --decorate --diff-filter=
-                       --color-words --walk-reflogs
-                       --parents --children --full-history
-                       --merge
+                       --decorate --decorate=
+                       --walk-reflogs
+                       --parents --children
+                       $merge
+                       $__git_diff_common_options
+                       --pickaxe-all --pickaxe-regex
                        "
                return
                ;;
@@ -984,23 +1599,18 @@ _git_log ()
        __git_complete_revlist
 }
 
+__git_merge_options="
+       --no-commit --no-stat --log --no-log --squash --strategy
+       --commit --stat --no-squash --ff --no-ff --ff-only
+"
+
 _git_merge ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
-       case "${COMP_WORDS[COMP_CWORD-1]}" in
-       -s|--strategy)
-               __gitcomp "$(__git_merge_strategies)"
-               return
-       esac
+       __git_complete_strategy && return
+
        case "$cur" in
-       --strategy=*)
-               __gitcomp "$(__git_merge_strategies)" "" "${cur##--strategy=}"
-               return
-               ;;
        --*)
-               __gitcomp "
-                       --no-commit --no-stat --log --no-log --squash --strategy
-                       "
+               __gitcomp "$__git_merge_options"
                return
        esac
        __gitcomp "$(__git_refs)"
@@ -1008,13 +1618,9 @@ _git_merge ()
 
 _git_mergetool ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --tool=*)
-               __gitcomp "
-                       kdiff3 tkdiff meld xxdiff emerge
-                       vimdiff gvimdiff ecmerge opendiff
-                       " "" "${cur##--tool=}"
+               __gitcomp "$__git_mergetools_common tortoisemerge" "" "${cur##--tool=}"
                return
                ;;
        --*)
@@ -1032,7 +1638,6 @@ _git_merge_base ()
 
 _git_mv ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--dry-run"
@@ -1047,114 +1652,211 @@ _git_name_rev ()
        __gitcomp "--tags --all --stdin"
 }
 
-_git_pull ()
+_git_notes ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
+       local subcommands='add append copy edit list prune remove show'
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
 
-       case "${COMP_WORDS[0]},$COMP_CWORD" in
-       git-pull*,1)
-               __gitcomp "$(__git_remotes)"
+       case "$subcommand,$cur" in
+       ,--*)
+               __gitcomp '--ref'
                ;;
-       git,2)
-               __gitcomp "$(__git_remotes)"
+       ,*)
+               case "${words[cword-1]}" in
+               --ref)
+                       __gitcomp "$(__git_refs)"
+                       ;;
+               *)
+                       __gitcomp "$subcommands --ref"
+                       ;;
+               esac
+               ;;
+       add,--reuse-message=*|append,--reuse-message=*)
+               __gitcomp "$(__git_refs)" "" "${cur##--reuse-message=}"
+               ;;
+       add,--reedit-message=*|append,--reedit-message=*)
+               __gitcomp "$(__git_refs)" "" "${cur##--reedit-message=}"
+               ;;
+       add,--*|append,--*)
+               __gitcomp '--file= --message= --reedit-message=
+                               --reuse-message='
+               ;;
+       copy,--*)
+               __gitcomp '--stdin'
+               ;;
+       prune,--*)
+               __gitcomp '--dry-run --verbose'
+               ;;
+       prune,*)
                ;;
        *)
-               local remote
-               case "${COMP_WORDS[0]}" in
-               git-pull)  remote="${COMP_WORDS[1]}" ;;
-               git)       remote="${COMP_WORDS[2]}" ;;
+               case "${words[cword-1]}" in
+               -m|-F)
+                       ;;
+               *)
+                       __gitcomp "$(__git_refs)"
+                       ;;
                esac
-               __gitcomp "$(__git_refs "$remote")"
                ;;
        esac
 }
 
-_git_push ()
+_git_pull ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
+       __git_complete_strategy && return
 
-       case "${COMP_WORDS[0]},$COMP_CWORD" in
-       git-push*,1)
-               __gitcomp "$(__git_remotes)"
+       case "$cur" in
+       --*)
+               __gitcomp "
+                       --rebase --no-rebase
+                       $__git_merge_options
+                       $__git_fetch_options
+               "
+               return
                ;;
-       git,2)
+       esac
+       __git_complete_remote_or_refspec
+}
+
+_git_push ()
+{
+       case "$prev" in
+       --repo)
                __gitcomp "$(__git_remotes)"
+               return
+       esac
+       case "$cur" in
+       --repo=*)
+               __gitcomp "$(__git_remotes)" "" "${cur##--repo=}"
+               return
                ;;
-       *)
-               case "$cur" in
-               *:*)
-                       local remote
-                       case "${COMP_WORDS[0]}" in
-                       git-push)  remote="${COMP_WORDS[1]}" ;;
-                       git)       remote="${COMP_WORDS[2]}" ;;
-                       esac
-
-                       local pfx=""
-                       case "$COMP_WORDBREAKS" in
-                       *:*) : great ;;
-                       *)   pfx="${cur%%:*}:" ;;
-                       esac
-
-                       __gitcomp "$(__git_refs "$remote")" "$pfx" "${cur#*:}"
-                       ;;
-               +*)
-                       __gitcomp "$(__git_refs)" + "${cur#+}"
-                       ;;
-               *)
-                       __gitcomp "$(__git_refs)"
-                       ;;
-               esac
+       --*)
+               __gitcomp "
+                       --all --mirror --tags --dry-run --force --verbose
+                       --receive-pack= --repo=
+               "
+               return
                ;;
        esac
+       __git_complete_remote_or_refspec
 }
 
 _git_rebase ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}" dir="$(__gitdir)"
+       local dir="$(__gitdir)"
        if [ -d "$dir"/rebase-apply ] || [ -d "$dir"/rebase-merge ]; then
                __gitcomp "--continue --skip --abort"
                return
        fi
-       case "${COMP_WORDS[COMP_CWORD-1]}" in
-       -s|--strategy)
-               __gitcomp "$(__git_merge_strategies)"
-               return
-       esac
+       __git_complete_strategy && return
        case "$cur" in
-       --strategy=*)
-               __gitcomp "$(__git_merge_strategies)" "" "${cur##--strategy=}"
+       --whitespace=*)
+               __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
                return
                ;;
        --*)
-               __gitcomp "--onto --merge --strategy --interactive"
+               __gitcomp "
+                       --onto --merge --strategy --interactive
+                       --preserve-merges --stat --no-stat
+                       --committer-date-is-author-date --ignore-date
+                       --ignore-whitespace --whitespace=
+                       --autosquash
+                       "
+
                return
        esac
        __gitcomp "$(__git_refs)"
 }
 
+_git_reflog ()
+{
+       local subcommands="show delete expire"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
+
+       if [ -z "$subcommand" ]; then
+               __gitcomp "$subcommands"
+       else
+               __gitcomp "$(__git_refs)"
+       fi
+}
+
+__git_send_email_confirm_options="always never auto cc compose"
+__git_send_email_suppresscc_options="author self cc bodycc sob cccmd body all"
+
 _git_send_email ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
+       --confirm=*)
+               __gitcomp "
+                       $__git_send_email_confirm_options
+                       " "" "${cur##--confirm=}"
+               return
+               ;;
+       --suppress-cc=*)
+               __gitcomp "
+                       $__git_send_email_suppresscc_options
+                       " "" "${cur##--suppress-cc=}"
+
+               return
+               ;;
+       --smtp-encryption=*)
+               __gitcomp "ssl tls" "" "${cur##--smtp-encryption=}"
+               return
+               ;;
        --*)
-               __gitcomp "--bcc --cc --cc-cmd --chain-reply-to --compose
-                       --dry-run --envelope-sender --from --identity
+               __gitcomp "--annotate --bcc --cc --cc-cmd --chain-reply-to
+                       --compose --confirm= --dry-run --envelope-sender
+                       --from --identity
                        --in-reply-to --no-chain-reply-to --no-signed-off-by-cc
                        --no-suppress-from --no-thread --quiet
                        --signed-off-by-cc --smtp-pass --smtp-server
-                       --smtp-server-port --smtp-ssl --smtp-user --subject
-                       --suppress-cc --suppress-from --thread --to"
+                       --smtp-server-port --smtp-encryption= --smtp-user
+                       --subject --suppress-cc= --suppress-from --thread --to
+                       --validate --no-validate"
                return
                ;;
        esac
        COMPREPLY=()
 }
 
+_git_stage ()
+{
+       _git_add
+}
+
+__git_config_get_set_variables ()
+{
+       local prevword word config_file= c=$cword
+       while [ $c -gt 1 ]; do
+               word="${words[c]}"
+               case "$word" in
+               --global|--system|--file=*)
+                       config_file="$word"
+                       break
+                       ;;
+               -f|--file)
+                       config_file="$word $prevword"
+                       break
+                       ;;
+               esac
+               prevword=$word
+               c=$((--c))
+       done
+
+       git --git-dir="$(__gitdir)" config $config_file --list 2>/dev/null |
+       while read line
+       do
+               case "$line" in
+               *.*=*)
+                       echo "${line/=*/}"
+                       ;;
+               esac
+       done
+}
+
 _git_config ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
-       local prv="${COMP_WORDS[COMP_CWORD-1]}"
-       case "$prv" in
+       case "$prev" in
        branch.*.remote)
                __gitcomp "$(__git_remotes)"
                return
@@ -1164,13 +1866,13 @@ _git_config ()
                return
                ;;
        remote.*.fetch)
-               local remote="${prv#remote.}"
+               local remote="${prev#remote.}"
                remote="${remote%.fetch}"
                __gitcomp "$(__git_refs_remotes "$remote")"
                return
                ;;
        remote.*.push)
-               local remote="${prv#remote.}"
+               local remote="${prev#remote.}"
                remote="${remote%.push}"
                __gitcomp "$(git --git-dir="$(__gitdir)" \
                        for-each-ref --format='%(refname):%(refname)' \
@@ -1178,20 +1880,50 @@ _git_config ()
                return
                ;;
        pull.twohead|pull.octopus)
-               __gitcomp "$(__git_merge_strategies)"
+               __git_compute_merge_strategies
+               __gitcomp "$__git_merge_strategies"
                return
                ;;
-       color.branch|color.diff|color.status)
+       color.branch|color.diff|color.interactive|\
+       color.showbranch|color.status|color.ui)
                __gitcomp "always never auto"
                return
                ;;
+       color.pager)
+               __gitcomp "false true"
+               return
+               ;;
        color.*.*)
                __gitcomp "
-                       black red green yellow blue magenta cyan white
+                       normal black red green yellow blue magenta cyan white
                        bold dim ul blink reverse
                        "
                return
                ;;
+       help.format)
+               __gitcomp "man info web html"
+               return
+               ;;
+       log.date)
+               __gitcomp "$__git_log_date_formats"
+               return
+               ;;
+       sendemail.aliasesfiletype)
+               __gitcomp "mutt mailrc pine elm gnus"
+               return
+               ;;
+       sendemail.confirm)
+               __gitcomp "$__git_send_email_confirm_options"
+               return
+               ;;
+       sendemail.suppresscc)
+               __gitcomp "$__git_send_email_suppresscc_options"
+               return
+               ;;
+       --get|--get-all|--unset|--unset-all)
+               __gitcomp "$(__git_config_get_set_variables)"
+               return
+               ;;
        *.*)
                COMPREPLY=()
                return
@@ -1209,140 +1941,362 @@ _git_config ()
                return
                ;;
        branch.*.*)
-               local pfx="${cur%.*}."
-               cur="${cur##*.}"
-               __gitcomp "remote merge" "$pfx" "$cur"
+               local pfx="${cur%.*}." cur_="${cur##*.}"
+               __gitcomp "remote merge mergeoptions rebase" "$pfx" "$cur_"
                return
                ;;
        branch.*)
-               local pfx="${cur%.*}."
-               cur="${cur#*.}"
-               __gitcomp "$(__git_heads)" "$pfx" "$cur" "."
+               local pfx="${cur%.*}." cur_="${cur#*.}"
+               __gitcomp "$(__git_heads)" "$pfx" "$cur_" "."
+               return
+               ;;
+       guitool.*.*)
+               local pfx="${cur%.*}." cur_="${cur##*.}"
+               __gitcomp "
+                       argprompt cmd confirm needsfile noconsole norescan
+                       prompt revprompt revunmerged title
+                       " "$pfx" "$cur_"
+               return
+               ;;
+       difftool.*.*)
+               local pfx="${cur%.*}." cur_="${cur##*.}"
+               __gitcomp "cmd path" "$pfx" "$cur_"
+               return
+               ;;
+       man.*.*)
+               local pfx="${cur%.*}." cur_="${cur##*.}"
+               __gitcomp "cmd path" "$pfx" "$cur_"
+               return
+               ;;
+       mergetool.*.*)
+               local pfx="${cur%.*}." cur_="${cur##*.}"
+               __gitcomp "cmd path trustExitCode" "$pfx" "$cur_"
+               return
+               ;;
+       pager.*)
+               local pfx="${cur%.*}." cur_="${cur#*.}"
+               __git_compute_all_commands
+               __gitcomp "$__git_all_commands" "$pfx" "$cur_"
                return
                ;;
        remote.*.*)
-               local pfx="${cur%.*}."
-               cur="${cur##*.}"
+               local pfx="${cur%.*}." cur_="${cur##*.}"
                __gitcomp "
-                       url fetch push skipDefaultUpdate
-                       receivepack uploadpack tagopt
-                       " "$pfx" "$cur"
+                       url proxy fetch push mirror skipDefaultUpdate
+                       receivepack uploadpack tagopt pushurl
+                       " "$pfx" "$cur_"
                return
                ;;
        remote.*)
-               local pfx="${cur%.*}."
-               cur="${cur#*.}"
-               __gitcomp "$(__git_remotes)" "$pfx" "$cur" "."
+               local pfx="${cur%.*}." cur_="${cur#*.}"
+               __gitcomp "$(__git_remotes)" "$pfx" "$cur_" "."
+               return
+               ;;
+       url.*.*)
+               local pfx="${cur%.*}." cur_="${cur##*.}"
+               __gitcomp "insteadOf pushInsteadOf" "$pfx" "$cur_"
                return
                ;;
        esac
        __gitcomp "
+               add.ignoreErrors
+               advice.commitBeforeMerge
+               advice.detachedHead
+               advice.implicitIdentity
+               advice.pushNonFastForward
+               advice.resolveConflict
+               advice.statusHints
+               alias.
+               am.keepcr
+               apply.ignorewhitespace
                apply.whitespace
-               core.fileMode
-               core.gitProxy
-               core.ignoreStat
-               core.preferSymlinkRefs
-               core.logAllRefUpdates
-               core.loosecompression
-               core.repositoryFormatVersion
-               core.sharedRepository
-               core.warnAmbiguousRefs
-               core.compression
-               core.packedGitWindowSize
-               core.packedGitLimit
+               branch.autosetupmerge
+               branch.autosetuprebase
+               browser.
                clean.requireForce
                color.branch
                color.branch.current
                color.branch.local
-               color.branch.remote
                color.branch.plain
+               color.branch.remote
+               color.decorate.HEAD
+               color.decorate.branch
+               color.decorate.remoteBranch
+               color.decorate.stash
+               color.decorate.tag
                color.diff
-               color.diff.plain
-               color.diff.meta
+               color.diff.commit
                color.diff.frag
-               color.diff.old
+               color.diff.func
+               color.diff.meta
                color.diff.new
-               color.diff.commit
+               color.diff.old
+               color.diff.plain
                color.diff.whitespace
+               color.grep
+               color.grep.context
+               color.grep.filename
+               color.grep.function
+               color.grep.linenumber
+               color.grep.match
+               color.grep.selected
+               color.grep.separator
+               color.interactive
+               color.interactive.error
+               color.interactive.header
+               color.interactive.help
+               color.interactive.prompt
                color.pager
+               color.showbranch
                color.status
-               color.status.header
                color.status.added
                color.status.changed
+               color.status.header
+               color.status.nobranch
                color.status.untracked
+               color.status.updated
+               color.ui
+               commit.status
+               commit.template
+               core.abbrev
+               core.askpass
+               core.attributesfile
+               core.autocrlf
+               core.bare
+               core.bigFileThreshold
+               core.compression
+               core.createObject
+               core.deltaBaseCacheLimit
+               core.editor
+               core.eol
+               core.excludesfile
+               core.fileMode
+               core.fsyncobjectfiles
+               core.gitProxy
+               core.ignoreCygwinFSTricks
+               core.ignoreStat
+               core.ignorecase
+               core.logAllRefUpdates
+               core.loosecompression
+               core.notesRef
+               core.packedGitLimit
+               core.packedGitWindowSize
+               core.pager
+               core.preferSymlinkRefs
+               core.preloadindex
+               core.quotepath
+               core.repositoryFormatVersion
+               core.safecrlf
+               core.sharedRepository
+               core.sparseCheckout
+               core.symlinks
+               core.trustctime
+               core.warnAmbiguousRefs
+               core.whitespace
+               core.worktree
+               diff.autorefreshindex
+               diff.external
+               diff.ignoreSubmodules
+               diff.mnemonicprefix
+               diff.noprefix
                diff.renameLimit
                diff.renames
+               diff.suppressBlankEmpty
+               diff.tool
+               diff.wordRegex
+               difftool.
+               difftool.prompt
+               fetch.recurseSubmodules
                fetch.unpackLimit
+               format.attach
+               format.cc
                format.headers
+               format.numbered
+               format.pretty
+               format.signature
+               format.signoff
                format.subjectprefix
-               gitcvs.enabled
-               gitcvs.logfile
-               gitcvs.allbinary
-               gitcvs.dbname gitcvs.dbdriver gitcvs.dbuser gitcvs.dbpass
-               gitcvs.dbtablenameprefix
+               format.suffix
+               format.thread
+               format.to
+               gc.
+               gc.aggressiveWindow
+               gc.auto
+               gc.autopacklimit
                gc.packrefs
+               gc.pruneexpire
                gc.reflogexpire
                gc.reflogexpireunreachable
                gc.rerereresolved
                gc.rerereunresolved
-               http.sslVerify
-               http.sslCert
-               http.sslKey
-               http.sslCAInfo
-               http.sslCAPath
-               http.maxRequests
+               gitcvs.allbinary
+               gitcvs.commitmsgannotation
+               gitcvs.dbTableNamePrefix
+               gitcvs.dbdriver
+               gitcvs.dbname
+               gitcvs.dbpass
+               gitcvs.dbuser
+               gitcvs.enabled
+               gitcvs.logfile
+               gitcvs.usecrlfattr
+               guitool.
+               gui.blamehistoryctx
+               gui.commitmsgwidth
+               gui.copyblamethreshold
+               gui.diffcontext
+               gui.encoding
+               gui.fastcopyblame
+               gui.matchtrackingbranch
+               gui.newbranchtemplate
+               gui.pruneduringfetch
+               gui.spellingdictionary
+               gui.trustmtime
+               help.autocorrect
+               help.browser
+               help.format
                http.lowSpeedLimit
                http.lowSpeedTime
+               http.maxRequests
+               http.minSessions
                http.noEPSV
+               http.postBuffer
+               http.proxy
+               http.sslCAInfo
+               http.sslCAPath
+               http.sslCert
+               http.sslCertPasswordProtected
+               http.sslKey
+               http.sslVerify
+               http.useragent
                i18n.commitEncoding
                i18n.logOutputEncoding
+               imap.authMethod
+               imap.folder
+               imap.host
+               imap.pass
+               imap.port
+               imap.preformattedHTML
+               imap.sslverify
+               imap.tunnel
+               imap.user
+               init.templatedir
+               instaweb.browser
+               instaweb.httpd
+               instaweb.local
+               instaweb.modulepath
+               instaweb.port
+               interactive.singlekey
+               log.date
+               log.decorate
                log.showroot
+               mailmap.file
+               man.
+               man.viewer
+               merge.
+               merge.conflictstyle
+               merge.log
+               merge.renameLimit
+               merge.renormalize
+               merge.stat
                merge.tool
-               merge.summary
                merge.verbosity
-               pack.window
-               pack.depth
-               pack.windowMemory
+               mergetool.
+               mergetool.keepBackup
+               mergetool.keepTemporaries
+               mergetool.prompt
+               notes.displayRef
+               notes.rewrite.
+               notes.rewrite.amend
+               notes.rewrite.rebase
+               notes.rewriteMode
+               notes.rewriteRef
                pack.compression
-               pack.deltaCacheSize
                pack.deltaCacheLimit
+               pack.deltaCacheSize
+               pack.depth
+               pack.indexVersion
+               pack.packSizeLimit
+               pack.threads
+               pack.window
+               pack.windowMemory
+               pager.
+               pretty.
                pull.octopus
                pull.twohead
-               repack.useDeltaBaseOffset
+               push.default
+               rebase.autosquash
+               rebase.stat
+               receive.autogc
+               receive.denyCurrentBranch
+               receive.denyDeleteCurrent
+               receive.denyDeletes
+               receive.denyNonFastForwards
+               receive.fsckObjects
+               receive.unpackLimit
+               receive.updateserverinfo
+               remotes.
+               repack.usedeltabaseoffset
+               rerere.autoupdate
+               rerere.enabled
+               sendemail.
+               sendemail.aliasesfile
+               sendemail.aliasfiletype
+               sendemail.bcc
+               sendemail.cc
+               sendemail.cccmd
+               sendemail.chainreplyto
+               sendemail.confirm
+               sendemail.envelopesender
+               sendemail.from
+               sendemail.identity
+               sendemail.multiedit
+               sendemail.signedoffbycc
+               sendemail.smtpdomain
+               sendemail.smtpencryption
+               sendemail.smtppass
+               sendemail.smtpserver
+               sendemail.smtpserveroption
+               sendemail.smtpserverport
+               sendemail.smtpuser
+               sendemail.suppresscc
+               sendemail.suppressfrom
+               sendemail.thread
+               sendemail.to
+               sendemail.validate
                showbranch.default
+               status.relativePaths
+               status.showUntrackedFiles
+               status.submodulesummary
+               submodule.
                tar.umask
                transfer.unpackLimit
-               receive.unpackLimit
-               receive.denyNonFastForwards
-               user.name
+               url.
                user.email
+               user.name
                user.signingkey
+               web.browser
                branch. remote.
        "
 }
 
 _git_remote ()
 {
-       local subcommands="add rm show prune update"
-       local subcommand="$(__git_find_subcommand "$subcommands")"
+       local subcommands="add rename rm show prune update set-head"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
        if [ -z "$subcommand" ]; then
                __gitcomp "$subcommands"
                return
        fi
 
        case "$subcommand" in
-       rm|show|prune)
+       rename|rm|show|prune)
                __gitcomp "$(__git_remotes)"
                ;;
        update)
                local i c='' IFS=$'\n'
-               for i in $(git --git-dir="$(__gitdir)" config --list); do
-                       case "$i" in
-                       remotes.*)
-                               i="${i#remotes.}"
-                               c="$c ${i/=*/}"
-                               ;;
-                       esac
+               for i in $(git --git-dir="$(__gitdir)" config --get-regexp "remotes\..*" 2>/dev/null); do
+                       i="${i#remotes.}"
+                       c="$c ${i/ */}"
                done
                __gitcomp "$c"
                ;;
@@ -1352,14 +2306,18 @@ _git_remote ()
        esac
 }
 
+_git_replace ()
+{
+       __gitcomp "$(__git_refs)"
+}
+
 _git_reset ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
-               __gitcomp "--mixed --hard --soft"
+               __gitcomp "--merge --mixed --hard --soft --patch"
                return
                ;;
        esac
@@ -1368,21 +2326,19 @@ _git_reset ()
 
 _git_revert ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--edit --mainline --no-edit --no-commit --signoff"
                return
                ;;
        esac
-       COMPREPLY=()
+       __gitcomp "$(__git_refs)"
 }
 
 _git_rm ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "--cached --dry-run --ignore-unmatch --quiet"
@@ -1396,16 +2352,11 @@ _git_shortlog ()
 {
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "
-                       --max-count= --max-age= --since= --after=
-                       --min-age= --before= --until=
-                       --no-merges
-                       --author= --committer= --grep=
-                       --all-match
-                       --not --all
+                       $__git_log_common_options
+                       $__git_log_shortlog_options
                        --numbered --summary
                        "
                return
@@ -1416,16 +2367,23 @@ _git_shortlog ()
 
 _git_show ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
+       __git_has_doubledash && return
+
        case "$cur" in
        --pretty=*)
-               __gitcomp "
-                       oneline short medium full fuller email raw
+               __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
                        " "" "${cur##--pretty=}"
                return
                ;;
+       --format=*)
+               __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
+                       " "" "${cur##--format=}"
+               return
+               ;;
        --*)
-               __gitcomp "--pretty="
+               __gitcomp "--pretty= --format= --abbrev-commit --oneline
+                       $__git_diff_common_options
+                       "
                return
                ;;
        esac
@@ -1434,13 +2392,13 @@ _git_show ()
 
 _git_show_branch ()
 {
-       local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
                __gitcomp "
                        --all --remotes --topo-order --current --more=
                        --list --independent --merge-base --no-name
-                       --sha1-name --topics --reflog
+                       --color --no-color
+                       --sha1-name --sparse --topics --reflog
                        "
                return
                ;;
@@ -1450,20 +2408,31 @@ _git_show_branch ()
 
 _git_stash ()
 {
+       local save_opts='--keep-index --no-keep-index --quiet --patch'
        local subcommands='save list show apply clear drop pop create branch'
-       local subcommand="$(__git_find_subcommand "$subcommands")"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
        if [ -z "$subcommand" ]; then
-               __gitcomp "$subcommands"
+               case "$cur" in
+               --*)
+                       __gitcomp "$save_opts"
+                       ;;
+               *)
+                       if [ -z "$(__git_find_on_cmdline "$save_opts")" ]; then
+                               __gitcomp "$subcommands"
+                       else
+                               COMPREPLY=()
+                       fi
+                       ;;
+               esac
        else
-               local cur="${COMP_WORDS[COMP_CWORD]}"
                case "$subcommand,$cur" in
                save,--*)
-                       __gitcomp "--keep-index"
+                       __gitcomp "$save_opts"
                        ;;
-               apply,--*)
-                       __gitcomp "--index"
+               apply,--*|pop,--*)
+                       __gitcomp "--index --quiet"
                        ;;
-               show,--*|drop,--*|pop,--*|branch,--*)
+               show,--*|drop,--*|branch,--*)
                        COMPREPLY=()
                        ;;
                show,*|apply,*|drop,*|pop,*|branch,*)
@@ -1481,9 +2450,8 @@ _git_submodule ()
 {
        __git_has_doubledash && return
 
-       local subcommands="add status init update"
-       if [ -z "$(__git_find_subcommand "$subcommands")" ]; then
-               local cur="${COMP_WORDS[COMP_CWORD]}"
+       local subcommands="add status init update summary foreach sync"
+       if [ -z "$(__git_find_on_cmdline "$subcommands")" ]; then
                case "$cur" in
                --*)
                        __gitcomp "--quiet --cached"
@@ -1501,9 +2469,10 @@ _git_svn ()
        local subcommands="
                init fetch clone rebase dcommit log find-rev
                set-tree commit-diff info create-ignore propget
-               proplist show-ignore show-externals
+               proplist show-ignore show-externals branch tag blame
+               migrate mkdirs reset gc
                "
-       local subcommand="$(__git_find_subcommand "$subcommands")"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
        if [ -z "$subcommand" ]; then
                __gitcomp "$subcommands"
        else
@@ -1512,19 +2481,20 @@ _git_svn ()
                        --follow-parent --authors-file= --repack=
                        --no-metadata --use-svm-props --use-svnsync-props
                        --log-window-size= --no-checkout --quiet
-                       --repack-flags --user-log-author $remote_opts
+                       --repack-flags --use-log-author --localtime
+                       --ignore-paths= $remote_opts
                        "
                local init_opts="
                        --template= --shared= --trunk= --tags=
                        --branches= --stdlayout --minimize-url
                        --no-metadata --use-svm-props --use-svnsync-props
-                       --rewrite-root= $remote_opts
+                       --rewrite-root= --prefix= --use-log-author
+                       --add-author-from $remote_opts
                        "
                local cmt_opts="
                        --edit --rmdir --find-copies-harder --copy-similarity=
                        "
 
-               local cur="${COMP_WORDS[COMP_CWORD]}"
                case "$subcommand,$cur" in
                fetch,--*)
                        __gitcomp "--revision= --fetch-all $fc_opts"
@@ -1538,27 +2508,28 @@ _git_svn ()
                dcommit,--*)
                        __gitcomp "
                                --merge --strategy= --verbose --dry-run
-                               --fetch-all --no-rebase $cmt_opts $fc_opts
+                               --fetch-all --no-rebase --commit-url
+                               --revision $cmt_opts $fc_opts
                                "
                        ;;
                set-tree,--*)
                        __gitcomp "--stdin $cmt_opts $fc_opts"
                        ;;
                create-ignore,--*|propget,--*|proplist,--*|show-ignore,--*|\
-               show-externals,--*)
+               show-externals,--*|mkdirs,--*)
                        __gitcomp "--revision="
                        ;;
                log,--*)
                        __gitcomp "
                                --limit= --revision= --verbose --incremental
                                --oneline --show-commit --non-recursive
-                               --authors-file=
+                               --authors-file= --color
                                "
                        ;;
                rebase,--*)
                        __gitcomp "
                                --merge --verbose --strategy= --local
-                               --fetch-all $fc_opts
+                               --fetch-all --dry-run $fc_opts
                                "
                        ;;
                commit-diff,--*)
@@ -1567,6 +2538,24 @@ _git_svn ()
                info,--*)
                        __gitcomp "--url"
                        ;;
+               branch,--*)
+                       __gitcomp "--dry-run --message --tag"
+                       ;;
+               tag,--*)
+                       __gitcomp "--dry-run --message"
+                       ;;
+               blame,--*)
+                       __gitcomp "--git-format"
+                       ;;
+               migrate,--*)
+                       __gitcomp "
+                               --config-dir= --ignore-paths= --minimize
+                               --no-auth-cache --username=
+                               "
+                       ;;
+               reset,--*)
+                       __gitcomp "--revision= --parent"
+                       ;;
                *)
                        COMPREPLY=()
                        ;;
@@ -1577,8 +2566,8 @@ _git_svn ()
 _git_tag ()
 {
        local i c=1 f=0
-       while [ $c -lt $COMP_CWORD ]; do
-               i="${COMP_WORDS[c]}"
+       while [ $c -lt $cword ]; do
+               i="${words[c]}"
                case "$i" in
                -d|-v)
                        __gitcomp "$(__git_tags)"
@@ -1591,11 +2580,11 @@ _git_tag ()
                c=$((++c))
        done
 
-       case "${COMP_WORDS[COMP_CWORD-1]}" in
+       case "$prev" in
        -m|-F)
                COMPREPLY=()
                ;;
-       -*|tag|git-tag)
+       -*|tag)
                if [ $f = 1 ]; then
                        __gitcomp "$(__git_tags)"
                else
@@ -1608,12 +2597,28 @@ _git_tag ()
        esac
 }
 
+_git_whatchanged ()
+{
+       _git_log
+}
+
 _git ()
 {
        local i c=1 command __git_dir
 
-       while [ $c -lt $COMP_CWORD ]; do
-               i="${COMP_WORDS[c]}"
+       if [[ -n ${ZSH_VERSION-} ]]; then
+               emulate -L bash
+               setopt KSH_TYPESET
+
+               # workaround zsh's bug that leaves 'words' as a special
+               # variable in versions < 4.3.12
+               typeset -h words
+       fi
+
+       local cur words cword prev
+       _get_comp_words_by_ref -n =: cur words cword prev
+       while [ $c -lt $cword ]; do
+               i="${words[c]}"
                case "$i" in
                --git-dir=*) __git_dir="${i#--git-dir=}" ;;
                --bare)      __git_dir="." ;;
@@ -1625,8 +2630,7 @@ _git ()
        done
 
        if [ -z "$command" ]; then
-               case "${COMP_WORDS[COMP_CWORD]}" in
-               --*=*) COMPREPLY=() ;;
+               case "$cur" in
                --*)   __gitcomp "
                        --paginate
                        --no-pager
@@ -1634,96 +2638,102 @@ _git ()
                        --bare
                        --version
                        --exec-path
+                       --html-path
                        --work-tree=
+                       --namespace=
                        --help
                        "
                        ;;
-               *)     __gitcomp "$(__git_porcelain_commands) $(__git_aliases)" ;;
+               *)     __git_compute_porcelain_commands
+                      __gitcomp "$__git_porcelain_commands $(__git_aliases)" ;;
                esac
                return
        fi
 
+       local completion_func="_git_${command//-/_}"
+       declare -f $completion_func >/dev/null && $completion_func && return
+
        local expansion=$(__git_aliased_command "$command")
-       [ "$expansion" ] && command="$expansion"
-
-       case "$command" in
-       am)          _git_am ;;
-       add)         _git_add ;;
-       apply)       _git_apply ;;
-       archive)     _git_archive ;;
-       bisect)      _git_bisect ;;
-       bundle)      _git_bundle ;;
-       branch)      _git_branch ;;
-       checkout)    _git_checkout ;;
-       cherry)      _git_cherry ;;
-       cherry-pick) _git_cherry_pick ;;
-       clean)       _git_clean ;;
-       clone)       _git_clone ;;
-       commit)      _git_commit ;;
-       config)      _git_config ;;
-       describe)    _git_describe ;;
-       diff)        _git_diff ;;
-       fetch)       _git_fetch ;;
-       format-patch) _git_format_patch ;;
-       gc)          _git_gc ;;
-       grep)        _git_grep ;;
-       help)        _git_help ;;
-       init)        _git_init ;;
-       log)         _git_log ;;
-       ls-files)    _git_ls_files ;;
-       ls-remote)   _git_ls_remote ;;
-       ls-tree)     _git_ls_tree ;;
-       merge)       _git_merge;;
-       mergetool)   _git_mergetool;;
-       merge-base)  _git_merge_base ;;
-       mv)          _git_mv ;;
-       name-rev)    _git_name_rev ;;
-       pull)        _git_pull ;;
-       push)        _git_push ;;
-       rebase)      _git_rebase ;;
-       remote)      _git_remote ;;
-       reset)       _git_reset ;;
-       revert)      _git_revert ;;
-       rm)          _git_rm ;;
-       send-email)  _git_send_email ;;
-       shortlog)    _git_shortlog ;;
-       show)        _git_show ;;
-       show-branch) _git_show_branch ;;
-       stash)       _git_stash ;;
-       submodule)   _git_submodule ;;
-       svn)         _git_svn ;;
-       tag)         _git_tag ;;
-       whatchanged) _git_log ;;
-       *)           COMPREPLY=() ;;
-       esac
+       if [ -n "$expansion" ]; then
+               completion_func="_git_${expansion//-/_}"
+               declare -f $completion_func >/dev/null && $completion_func
+       fi
 }
 
 _gitk ()
 {
+       if [[ -n ${ZSH_VERSION-} ]]; then
+               emulate -L bash
+               setopt KSH_TYPESET
+
+               # workaround zsh's bug that leaves 'words' as a special
+               # variable in versions < 4.3.12
+               typeset -h words
+       fi
+
+       local cur words cword prev
+       _get_comp_words_by_ref -n =: cur words cword prev
+
        __git_has_doubledash && return
 
-       local cur="${COMP_WORDS[COMP_CWORD]}"
-       local g="$(git rev-parse --git-dir 2>/dev/null)"
+       local g="$(__gitdir)"
        local merge=""
-       if [ -f $g/MERGE_HEAD ]; then
+       if [ -f "$g/MERGE_HEAD" ]; then
                merge="--merge"
        fi
        case "$cur" in
        --*)
-               __gitcomp "--not --all $merge"
+               __gitcomp "
+                       $__git_log_common_options
+                       $__git_log_gitk_options
+                       $merge
+                       "
                return
                ;;
        esac
        __git_complete_revlist
 }
 
-complete -o default -o nospace -F _git git
-complete -o default -o nospace -F _gitk gitk
+complete -o bashdefault -o default -o nospace -F _git git 2>/dev/null \
+       || complete -o default -o nospace -F _git git
+complete -o bashdefault -o default -o nospace -F _gitk gitk 2>/dev/null \
+       || complete -o default -o nospace -F _gitk gitk
 
 # The following are necessary only for Cygwin, and only are needed
 # when the user has tab-completed the executable name and consequently
 # included the '.exe' suffix.
 #
 if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then
-complete -o default -o nospace -F _git git.exe
+complete -o bashdefault -o default -o nospace -F _git git.exe 2>/dev/null \
+       || complete -o default -o nospace -F _git git.exe
+fi
+
+if [[ -n ${ZSH_VERSION-} ]]; then
+       __git_shopt () {
+               local option
+               if [ $# -ne 2 ]; then
+                       echo "USAGE: $0 (-q|-s|-u) <option>" >&2
+                       return 1
+               fi
+               case "$2" in
+               nullglob)
+                       option="$2"
+                       ;;
+               *)
+                       echo "$0: invalid option: $2" >&2
+                       return 1
+               esac
+               case "$1" in
+               -q)     setopt | grep -q "$option" ;;
+               -u)     unsetopt "$option" ;;
+               -s)     setopt "$option" ;;
+               *)
+                       echo "$0: invalid flag: $1" >&2
+                       return 1
+               esac
+       }
+else
+       __git_shopt () {
+               shopt "$@"
+       }
 fi