submodule: unset core.worktree if no working tree is present
[gitweb.git] / contrib / completion / git-completion.bash
index e5b2ccbdd2208069f25f2ce9505a2f88a8c8b5ff..dd3e925843acf53c439e504101d46d8606ea5d69 100644 (file)
@@ -94,6 +94,70 @@ __git ()
                ${__git_dir:+--git-dir="$__git_dir"} "$@" 2>/dev/null
 }
 
+# Removes backslash escaping, single quotes and double quotes from a word,
+# stores the result in the variable $dequoted_word.
+# 1: The word to dequote.
+__git_dequote ()
+{
+       local rest="$1" len ch
+
+       dequoted_word=""
+
+       while test -n "$rest"; do
+               len=${#dequoted_word}
+               dequoted_word="$dequoted_word${rest%%[\\\'\"]*}"
+               rest="${rest:$((${#dequoted_word}-$len))}"
+
+               case "${rest:0:1}" in
+               \\)
+                       ch="${rest:1:1}"
+                       case "$ch" in
+                       $'\n')
+                               ;;
+                       *)
+                               dequoted_word="$dequoted_word$ch"
+                               ;;
+                       esac
+                       rest="${rest:2}"
+                       ;;
+               \')
+                       rest="${rest:1}"
+                       len=${#dequoted_word}
+                       dequoted_word="$dequoted_word${rest%%\'*}"
+                       rest="${rest:$((${#dequoted_word}-$len+1))}"
+                       ;;
+               \")
+                       rest="${rest:1}"
+                       while test -n "$rest" ; do
+                               len=${#dequoted_word}
+                               dequoted_word="$dequoted_word${rest%%[\\\"]*}"
+                               rest="${rest:$((${#dequoted_word}-$len))}"
+                               case "${rest:0:1}" in
+                               \\)
+                                       ch="${rest:1:1}"
+                                       case "$ch" in
+                                       \"|\\|\$|\`)
+                                               dequoted_word="$dequoted_word$ch"
+                                               ;;
+                                       $'\n')
+                                               ;;
+                                       *)
+                                               dequoted_word="$dequoted_word\\$ch"
+                                               ;;
+                                       esac
+                                       rest="${rest:2}"
+                                       ;;
+                               \")
+                                       rest="${rest:1}"
+                                       break
+                                       ;;
+                               esac
+                       done
+                       ;;
+               esac
+       done
+}
+
 # The following function is based on code from:
 #
 #   bash_completion - programmable completion functions for bash 3.2+
@@ -284,7 +348,11 @@ __gitcomp ()
 
 # Clear the variables caching builtins' options when (re-)sourcing
 # the completion script.
-unset $(set |sed -ne 's/^\(__gitcomp_builtin_[a-zA-Z0-9_][a-zA-Z0-9_]*\)=.*/\1/p') 2>/dev/null
+if [[ -n ${ZSH_VERSION-} ]]; then
+       unset $(set |sed -ne 's/^\(__gitcomp_builtin_[a-zA-Z0-9_][a-zA-Z0-9_]*\)=.*/\1/p') 2>/dev/null
+else
+       unset $(compgen -v __gitcomp_builtin_)
+fi
 
 # This function is equivalent to
 #
@@ -342,6 +410,24 @@ __gitcomp_nl ()
        __gitcomp_nl_append "$@"
 }
 
+# Fills the COMPREPLY array with prefiltered paths without any additional
+# processing.
+# Callers must take care of providing only paths that match the current path
+# to be completed and adding any prefix path components, if necessary.
+# 1: List of newline-separated matching paths, complete with all prefix
+#    path componens.
+__gitcomp_file_direct ()
+{
+       local IFS=$'\n'
+
+       COMPREPLY=($1)
+
+       # use a hack to enable file mode in bash < 4
+       compopt -o filenames +o nospace 2>/dev/null ||
+       compgen -f /non-existing-dir/ >/dev/null ||
+       true
+}
+
 # Generates completion reply with compgen from newline-separated possible
 # completion filenames.
 # It accepts 1 to 3 arguments:
@@ -361,7 +447,8 @@ __gitcomp_file ()
 
        # use a hack to enable file mode in bash < 4
        compopt -o filenames +o nospace 2>/dev/null ||
-       compgen -f /non-existing-dir/ > /dev/null
+       compgen -f /non-existing-dir/ >/dev/null ||
+       true
 }
 
 # Execute 'git ls-files', unless the --committable option is specified, in
@@ -371,10 +458,12 @@ __gitcomp_file ()
 __git_ls_files_helper ()
 {
        if [ "$2" == "--committable" ]; then
-               __git -C "$1" diff-index --name-only --relative HEAD
+               __git -C "$1" -c core.quotePath=false diff-index \
+                       --name-only --relative HEAD -- "${3//\\/\\\\}*"
        else
                # NOTE: $2 is not quoted in order to support multiple options
-               __git -C "$1" ls-files --exclude-standard $2
+               __git -C "$1" -c core.quotePath=false ls-files \
+                       --exclude-standard $2 -- "${3//\\/\\\\}*"
        fi
 }
 
@@ -385,17 +474,103 @@ __git_ls_files_helper ()
 #    If provided, only files within the specified directory are listed.
 #    Sub directories are never recursed.  Path must have a trailing
 #    slash.
+# 3: List only paths matching this path component (optional).
 __git_index_files ()
 {
-       local root="${2-.}" file
+       local root="$2" match="$3"
 
-       __git_ls_files_helper "$root" "$1" |
-       while read -r file; do
-               case "$file" in
-               ?*/*) echo "${file%%/*}" ;;
-               *) echo "$file" ;;
-               esac
-       done | sort | uniq
+       __git_ls_files_helper "$root" "$1" "$match" |
+       awk -F / -v pfx="${2//\\/\\\\}" '{
+               paths[$1] = 1
+       }
+       END {
+               for (p in paths) {
+                       if (substr(p, 1, 1) != "\"") {
+                               # No special characters, easy!
+                               print pfx p
+                               continue
+                       }
+
+                       # The path is quoted.
+                       p = dequote(p)
+                       if (p == "")
+                               continue
+
+                       # Even when a directory name itself does not contain
+                       # any special characters, it will still be quoted if
+                       # any of its (stripped) trailing path components do.
+                       # Because of this we may have seen the same direcory
+                       # both quoted and unquoted.
+                       if (p in paths)
+                               # We have seen the same directory unquoted,
+                               # skip it.
+                               continue
+                       else
+                               print pfx p
+               }
+       }
+       function dequote(p,    bs_idx, out, esc, esc_idx, dec) {
+               # Skip opening double quote.
+               p = substr(p, 2)
+
+               # Interpret backslash escape sequences.
+               while ((bs_idx = index(p, "\\")) != 0) {
+                       out = out substr(p, 1, bs_idx - 1)
+                       esc = substr(p, bs_idx + 1, 1)
+                       p = substr(p, bs_idx + 2)
+
+                       if ((esc_idx = index("abtvfr\"\\", esc)) != 0) {
+                               # C-style one-character escape sequence.
+                               out = out substr("\a\b\t\v\f\r\"\\",
+                                                esc_idx, 1)
+                       } else if (esc == "n") {
+                               # Uh-oh, a newline character.
+                               # We cant reliably put a pathname
+                               # containing a newline into COMPREPLY,
+                               # and the newline would create a mess.
+                               # Skip this path.
+                               return ""
+                       } else {
+                               # Must be a \nnn octal value, then.
+                               dec = esc             * 64 + \
+                                     substr(p, 1, 1) * 8  + \
+                                     substr(p, 2, 1)
+                               out = out sprintf("%c", dec)
+                               p = substr(p, 3)
+                       }
+               }
+               # Drop closing double quote, if there is one.
+               # (There isnt any if this is a directory, as it was
+               # already stripped with the trailing path components.)
+               if (substr(p, length(p), 1) == "\"")
+                       out = out substr(p, 1, length(p) - 1)
+               else
+                       out = out p
+
+               return out
+       }'
+}
+
+# __git_complete_index_file requires 1 argument:
+# 1: the options to pass to ls-file
+#
+# The exception is --committable, which finds the files appropriate commit.
+__git_complete_index_file ()
+{
+       local dequoted_word pfx="" cur_
+
+       __git_dequote "$cur"
+
+       case "$dequoted_word" in
+       ?*/*)
+               pfx="${dequoted_word%/*}/"
+               cur_="${dequoted_word##*/}"
+               ;;
+       *)
+               cur_="$dequoted_word"
+       esac
+
+       __gitcomp_file_direct "$(__git_index_files "$1" "$pfx" "$cur_")"
 }
 
 # Lists branches from the local repository.
@@ -714,26 +889,6 @@ __git_complete_revlist_file ()
        esac
 }
 
-
-# __git_complete_index_file requires 1 argument:
-# 1: the options to pass to ls-file
-#
-# The exception is --committable, which finds the files appropriate commit.
-__git_complete_index_file ()
-{
-       local pfx="" cur_="$cur"
-
-       case "$cur_" in
-       ?*/*)
-               pfx="${cur_%/*}"
-               cur_="${cur_##*/}"
-               pfx="${pfx}/"
-               ;;
-       esac
-
-       __gitcomp_file "$(__git_index_files "$1" ${pfx:+"$pfx"})" "$pfx" "$cur_"
-}
-
 __git_complete_file ()
 {
        __git_complete_revlist_file
@@ -1828,7 +1983,7 @@ _git_rebase ()
        --*)
                __gitcomp "
                        --onto --merge --strategy --interactive
-                       --preserve-merges --stat --no-stat
+                       --rebase-merges --preserve-merges --stat --no-stat
                        --committer-date-is-author-date --ignore-date
                        --ignore-whitespace --whitespace=
                        --autosquash --no-autosquash
@@ -1999,7 +2154,7 @@ _git_config ()
                return
                ;;
        branch.*.rebase)
-               __gitcomp "false true preserve interactive"
+               __gitcomp "false true merges preserve interactive"
                return
                ;;
        remote.pushdefault)
@@ -2056,7 +2211,7 @@ _git_config ()
                __gitcomp "$__git_log_date_formats"
                return
                ;;
-       sendemail.aliasesfiletype)
+       sendemail.aliasfiletype)
                __gitcomp "mutt mailrc pine elm gnus"
                return
                ;;
@@ -2229,6 +2384,7 @@ _git_config ()
                core.bigFileThreshold
                core.checkStat
                core.commentChar
+               core.commitGraph
                core.compression
                core.createObject
                core.deltaBaseCacheLimit
@@ -2653,13 +2809,21 @@ _git_show_branch ()
 _git_stash ()
 {
        local save_opts='--all --keep-index --no-keep-index --quiet --patch --include-untracked'
-       local subcommands='push save list show apply clear drop pop create branch'
-       local subcommand="$(__git_find_on_cmdline "$subcommands")"
+       local subcommands='push list show apply clear drop pop create branch'
+       local subcommand="$(__git_find_on_cmdline "$subcommands save")"
+       if [ -n "$(__git_find_on_cmdline "-p")" ]; then
+               subcommand="push"
+       fi
        if [ -z "$subcommand" ]; then
                case "$cur" in
                --*)
                        __gitcomp "$save_opts"
                        ;;
+               sa*)
+                       if [ -z "$(__git_find_on_cmdline "$save_opts")" ]; then
+                               __gitcomp "save"
+                       fi
+                       ;;
                *)
                        if [ -z "$(__git_find_on_cmdline "$save_opts")" ]; then
                                __gitcomp "$subcommands"
@@ -2943,10 +3107,17 @@ __git_support_parseopt_helper () {
 __git_complete_command () {
        local command="$1"
        local completion_func="_git_${command//-/_}"
-       if declare -f $completion_func >/dev/null 2>/dev/null; then
+       if ! declare -f $completion_func >/dev/null 2>/dev/null &&
+               declare -f _completion_loader >/dev/null 2>/dev/null
+       then
+               _completion_loader "git-$command"
+       fi
+       if declare -f $completion_func >/dev/null 2>/dev/null
+       then
                $completion_func
                return 0
-       elif __git_support_parseopt_helper "$command"; then
+       elif __git_support_parseopt_helper "$command"
+       then
                __git_complete_common "$command"
                return 0
        else
@@ -3052,7 +3223,10 @@ __gitk_main ()
        __git_complete_revlist
 }
 
-if [[ -n ${ZSH_VERSION-} ]]; then
+if [[ -n ${ZSH_VERSION-} ]] &&
+   # Don't define these functions when sourced from 'git-completion.zsh',
+   # it has its own implementations.
+   [[ -z ${GIT_SOURCING_ZSH_COMPLETION-} ]]; then
        echo "WARNING: this script is deprecated, please see git-completion.zsh" 1>&2
 
        autoload -U +X compinit && compinit
@@ -3101,6 +3275,15 @@ if [[ -n ${ZSH_VERSION-} ]]; then
                compadd -Q -S "${4- }" -p "${2-}" -- ${=1} && _ret=0
        }
 
+       __gitcomp_file_direct ()
+       {
+               emulate -L zsh
+
+               local IFS=$'\n'
+               compset -P '*[=:]'
+               compadd -Q -f -- ${=1} && _ret=0
+       }
+
        __gitcomp_file ()
        {
                emulate -L zsh