get_ref_states: strdup entries and free util in stale list
[gitweb.git] / contrib / completion / git-completion.bash
index 652a47c772a4f251d4925118df74bb3e793a2988..11bf17a86cf472a8939ad965d2552660061fd240 100755 (executable)
 #    2) Added the following line to your .bashrc:
 #        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:
+#    3) Consider changing your PS1 to also show the current branch:
 #        PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
 #
 #       The argument to __git_ps1 will be displayed only if you
@@ -324,12 +318,8 @@ __git_remotes ()
        done
 }
 
-__git_merge_strategies ()
+__git_list_merge_strategies ()
 {
-       if [ -n "${__git_merge_strategylist-}" ]; then
-               echo "$__git_merge_strategylist"
-               return
-       fi
        git merge -s help 2>&1 |
        sed -n -e '/[Aa]vailable strategies are: /,/^$/{
                s/\.$//
@@ -339,8 +329,17 @@ __git_merge_strategies ()
                p
        }'
 }
-__git_merge_strategylist=
-__git_merge_strategylist=$(__git_merge_strategies 2>/dev/null)
+
+__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 ()
+{
+       : ${__git_merge_strategies:=$(__git_list_merge_strategies)}
+}
 
 __git_complete_file ()
 {
@@ -474,27 +473,24 @@ __git_complete_remote_or_refspec ()
 
 __git_complete_strategy ()
 {
+       __git_compute_merge_strategies
        case "${COMP_WORDS[COMP_CWORD-1]}" in
        -s|--strategy)
-               __gitcomp "$(__git_merge_strategies)"
+               __gitcomp "$__git_merge_strategies"
                return 0
        esac
        local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --strategy=*)
-               __gitcomp "$(__git_merge_strategies)" "" "${cur##--strategy=}"
+               __gitcomp "$__git_merge_strategies" "" "${cur##--strategy=}"
                return 0
                ;;
        esac
        return 1
 }
 
-__git_all_commands ()
+__git_list_all_commands ()
 {
-       if [ -n "${__git_all_commandlist-}" ]; then
-               echo "$__git_all_commandlist"
-               return
-       fi
        local i IFS=" "$'\n'
        for i in $(git help -a|egrep '^  [a-zA-Z0-9]')
        do
@@ -504,17 +500,18 @@ __git_all_commands ()
                esac
        done
 }
-__git_all_commandlist=
-__git_all_commandlist="$(__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 $i in
                *--*)             : helper pattern;;
@@ -595,15 +592,24 @@ __git_porcelain_commands ()
                esac
        done
 }
-__git_porcelain_commandlist=
-__git_porcelain_commandlist="$(__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_aliases ()
 {
        local i IFS=$'\n'
        for i in $(git --git-dir="$(__gitdir)" config --get-regexp "alias\..*" 2>/dev/null); do
-               i="${i#alias.}"
-               echo "${i/ */}"
+               case "$i" in
+               alias.*)
+                       i="${i#alias.}"
+                       echo "${i/ */}"
+                       ;;
+               esac
        done
 }
 
@@ -949,11 +955,13 @@ _git_diff ()
 }
 
 __git_mergetools_common="diffuse ecmerge emerge kdiff3 meld opendiff
-                       tkdiff vimdiff gvimdiff xxdiff araxis
+                       tkdiff vimdiff gvimdiff xxdiff araxis p4merge
 "
 
 _git_difftool ()
 {
+       __git_has_doubledash && return
+
        local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --tool=*)
@@ -961,11 +969,15 @@ _git_difftool ()
                return
                ;;
        --*)
-               __gitcomp "--tool="
+               __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
+                       --base --ours --theirs
+                       --no-renames --diff-filter= --find-copies-harder
+                       --relative --ignore-submodules
+                       --tool="
                return
                ;;
        esac
-       COMPREPLY=()
+       __git_complete_file
 }
 
 __git_fetch_options="
@@ -1065,7 +1077,8 @@ _git_grep ()
                return
                ;;
        esac
-       COMPREPLY=()
+
+       __gitcomp "$(__git_refs)"
 }
 
 _git_help ()
@@ -1077,7 +1090,8 @@ _git_help ()
                return
                ;;
        esac
-       __gitcomp "$(__git_all_commands)
+       __git_compute_all_commands
+       __gitcomp "$__git_all_commands
                attributes cli core-tutorial cvs-migration
                diffcore gitk glossary hooks ignore modules
                repository-layout tutorial tutorial-2
@@ -1213,7 +1227,7 @@ _git_log ()
 
 __git_merge_options="
        --no-commit --no-stat --log --no-log --squash --strategy
-       --commit --stat --no-squash --ff --no-ff
+       --commit --stat --no-squash --ff --no-ff --ff-only
 "
 
 _git_merge ()
@@ -1318,8 +1332,18 @@ _git_rebase ()
        fi
        __git_complete_strategy && return
        case "$cur" in
+       --whitespace=*)
+               __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
+               return
+               ;;
        --*)
-               __gitcomp "--onto --merge --strategy --interactive"
+               __gitcomp "
+                       --onto --merge --strategy --interactive
+                       --preserve-merges --stat --no-stat
+                       --committer-date-is-author-date --ignore-date
+                       --ignore-whitespace --whitespace=
+                       "
+
                return
        esac
        __gitcomp "$(__git_refs)"
@@ -1423,7 +1447,8 @@ _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.interactive|\
@@ -1524,7 +1549,8 @@ _git_config ()
        pager.*)
                local pfx="${cur%.*}."
                cur="${cur#*.}"
-               __gitcomp "$(__git_all_commands)" "$pfx" "$cur"
+               __git_compute_all_commands
+               __gitcomp "$__git_all_commands" "$pfx" "$cur"
                return
                ;;
        remote.*.*)
@@ -1794,6 +1820,11 @@ _git_remote ()
        esac
 }
 
+_git_replace ()
+{
+       __gitcomp "$(__git_refs)"
+}
+
 _git_reset ()
 {
        __git_has_doubledash && return
@@ -2116,7 +2147,8 @@ _git ()
                        --help
                        "
                        ;;
-               *)     __gitcomp "$(__git_porcelain_commands) $(__git_aliases)" ;;
+               *)     __git_compute_porcelain_commands
+                      __gitcomp "$__git_porcelain_commands $(__git_aliases)" ;;
                esac
                return
        fi
@@ -2162,6 +2194,7 @@ _git ()
        push)        _git_push ;;
        rebase)      _git_rebase ;;
        remote)      _git_remote ;;
+       replace)     _git_replace ;;
        reset)       _git_reset ;;
        revert)      _git_revert ;;
        rm)          _git_rm ;;