Merge branch 'jk/bash-completion'
[gitweb.git] / contrib / completion / git-completion.bash
index ecf58e032873d8619158af907118969a2cdd3746..fa3ae1e8535c786dc724ab7a73cccb6f3bfca8de 100644 (file)
@@ -33,8 +33,6 @@ esac
 # returns location of .git repo
 __gitdir ()
 {
-       # Note: this function is duplicated in git-prompt.sh
-       # When updating it, make sure you update the other one to match.
        if [ -z "${1-}" ]; then
                if [ -n "${__git_dir-}" ]; then
                        echo "$__git_dir"
@@ -252,106 +250,50 @@ __gitcomp_file ()
        # since tilde expansion is not applied.
        # This means that COMPREPLY will be empty and Bash default
        # completion will be used.
-       COMPREPLY=($(compgen -P "${2-}" -W "$1" -- "${3-$cur}"))
+       __gitcompadd "$1" "${2-}" "${3-$cur}" ""
 
-       # Tell Bash that compspec generates filenames.
-       compopt -o filenames 2>/dev/null
+       # 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
 }
 
-__git_index_file_list_filter_compat ()
-{
-       local path
-
-       while read -r path; do
-               case "$path" in
-               ?*/*) echo "${path%%/*}/" ;;
-               *) echo "$path" ;;
-               esac
-       done
-}
-
-__git_index_file_list_filter_bash ()
-{
-       local path
-
-       while read -r path; do
-               case "$path" in
-               ?*/*)
-                       # XXX if we append a slash to directory names when using
-                       # `compopt -o filenames`, Bash will append another slash.
-                       # This is pretty stupid, and this the reason why we have to
-                       # define a compatible version for this function.
-                       echo "${path%%/*}" ;;
-               *)
-                       echo "$path" ;;
-               esac
-       done
-}
-
-# Process path list returned by "ls-files" and "diff-index --name-only"
-# commands, in order to list only file names relative to a specified
-# directory, and append a slash to directory names.
-__git_index_file_list_filter ()
-{
-       # Default to Bash >= 4.x
-       __git_index_file_list_filter_bash
-}
-
-# Execute git ls-files, returning paths relative to the directory
-# specified in the first argument, and using the options specified in
-# the second argument.
+# Execute 'git ls-files', unless the --committable option is specified, in
+# which case it runs 'git diff-index' to find out the files that can be
+# committed.  It return paths relative to the directory specified in the first
+# argument, and using the options specified in the second argument.
 __git_ls_files_helper ()
 {
        (
                test -n "${CDPATH+set}" && unset CDPATH
-               # NOTE: $2 is not quoted in order to support multiple options
-               cd "$1" && git ls-files --exclude-standard $2
+               cd "$1"
+               if [ "$2" == "--committable" ]; then
+                       git diff-index --name-only --relative HEAD
+               else
+                       # NOTE: $2 is not quoted in order to support multiple options
+                       git ls-files --exclude-standard $2
+               fi
        ) 2>/dev/null
 }
 
 
-# Execute git diff-index, returning paths relative to the directory
-# specified in the first argument, and using the tree object id
-# specified in the second argument.
-__git_diff_index_helper ()
-{
-       (
-               test -n "${CDPATH+set}" && unset CDPATH
-               cd "$1" && git diff-index --name-only --relative "$2"
-       ) 2>/dev/null
-}
-
 # __git_index_files accepts 1 or 2 arguments:
 # 1: Options to pass to ls-files (required).
-#    Supported options are --cached, --modified, --deleted, --others,
-#    and --directory.
 # 2: A directory path (optional).
 #    If provided, only files within the specified directory are listed.
 #    Sub directories are never recursed.  Path must have a trailing
 #    slash.
 __git_index_files ()
 {
-       local dir="$(__gitdir)" root="${2-.}"
+       local dir="$(__gitdir)" root="${2-.}" file
 
        if [ -d "$dir" ]; then
-               __git_ls_files_helper "$root" "$1" | __git_index_file_list_filter |
-                       sort | uniq
-       fi
-}
-
-# __git_diff_index_files accepts 1 or 2 arguments:
-# 1) The id of a tree object.
-# 2) A directory path (optional).
-#    If provided, only files within the specified directory are listed.
-#    Sub directories are never recursed.  Path must have a trailing
-#    slash.
-__git_diff_index_files ()
-{
-       local dir="$(__gitdir)" root="${2-.}"
-
-       if [ -d "$dir" ]; then
-               __git_diff_index_helper "$root" "$1" | __git_index_file_list_filter |
-                       sort | uniq
+               __git_ls_files_helper "$root" "$1" |
+               while read -r file; do
+                       case "$file" in
+                       ?*/*) echo "${file%%/*}" ;;
+                       *) echo "$file" ;;
+                       esac
+               done | sort | uniq
        fi
 }
 
@@ -427,14 +369,8 @@ __git_refs ()
                done
                ;;
        *)
-               git ls-remote "$dir" HEAD ORIG_HEAD 'refs/tags/*' 'refs/heads/*' 'refs/remotes/*' 2>/dev/null | \
-               while read -r hash i; do
-                       case "$i" in
-                       *^{}) ;;
-                       refs/*) echo "${i#refs/*/}" ;;
-                       *) echo "$i" ;;
-                       esac
-               done
+               echo "HEAD"
+               git for-each-ref --format="%(refname:short)" -- "refs/remotes/$dir/" | sed -e "s#^$dir/##"
                ;;
        esac
 }
@@ -552,44 +488,23 @@ __git_complete_revlist_file ()
 }
 
 
-# __git_complete_index_file requires 1 argument: the options to pass to
-# ls-file
+# __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_="$cur"
+       local pfx="" cur_="$cur"
 
        case "$cur_" in
        ?*/*)
                pfx="${cur_%/*}"
                cur_="${cur_##*/}"
                pfx="${pfx}/"
-
-               __gitcomp_file "$(__git_index_files "$1" "$pfx")" "$pfx" "$cur_"
-               ;;
-       *)
-               __gitcomp_file "$(__git_index_files "$1")" "" "$cur_"
                ;;
        esac
-}
-
-# __git_complete_diff_index_file requires 1 argument: the id of a tree
-# object
-__git_complete_diff_index_file ()
-{
-       local pfx cur_="$cur"
-
-       case "$cur_" in
-       ?*/*)
-               pfx="${cur_%/*}"
-               cur_="${cur_##*/}"
-               pfx="${pfx}/"
 
-               __gitcomp_file "$(__git_diff_index_files "$1" "$pfx")" "$pfx" "$cur_"
-               ;;
-       *)
-               __gitcomp_file "$(__git_diff_index_files "$1")" "" "$cur_"
-               ;;
-       esac
+       __gitcomp_file "$(__git_index_files "$1" "$pfx")" "$pfx" "$cur_"
 }
 
 __git_complete_file ()
@@ -1213,7 +1128,7 @@ _git_commit ()
        esac
 
        if git rev-parse --verify --quiet HEAD >/dev/null; then
-               __git_complete_diff_index_file "HEAD"
+               __git_complete_index_file "--committable"
        else
                # This is the first commit
                __git_complete_index_file "--cached"
@@ -1294,7 +1209,7 @@ _git_difftool ()
                return
                ;;
        esac
-       __git_complete_file
+       __git_complete_revlist_file
 }
 
 __git_fetch_options="
@@ -2360,7 +2275,7 @@ _git_show ()
                return
                ;;
        esac
-       __git_complete_file
+       __git_complete_revlist_file
 }
 
 _git_show_branch ()
@@ -2575,9 +2490,10 @@ __git_main ()
                i="${words[c]}"
                case "$i" in
                --git-dir=*) __git_dir="${i#--git-dir=}" ;;
+               --git-dir)   ((c++)) ; __git_dir="${words[c]}" ;;
                --bare)      __git_dir="." ;;
                --help) command="help"; break ;;
-               -c) c=$((++c)) ;;
+               -c|--work-tree|--namespace) ((c++)) ;;
                -*) ;;
                *) command="$i"; break ;;
                esac
@@ -2595,6 +2511,7 @@ __git_main ()
                        --exec-path
                        --exec-path=
                        --html-path
+                       --man-path
                        --info-path
                        --work-tree=
                        --namespace=
@@ -2663,7 +2580,7 @@ if [[ -n ${ZSH_VERSION-} ]]; then
                                --*=*|*.) ;;
                                *) c="$c " ;;
                                esac
-                               array[$#array+1]="$c"
+                               array+=("$c")
                        done
                        compset -P '*[=:]'
                        compadd -Q -S '' -p "${2-}" -a -- array && _ret=0
@@ -2689,35 +2606,19 @@ if [[ -n ${ZSH_VERSION-} ]]; then
                compadd -Q -p "${2-}" -f -- ${=1} && _ret=0
        }
 
-       __git_zsh_helper ()
-       {
-               emulate -L ksh
-               local cur cword prev
-               cur=${words[CURRENT-1]}
-               prev=${words[CURRENT-2]}
-               let cword=CURRENT-1
-               __${service}_main
-       }
-
        _git ()
        {
-               emulate -L zsh
-               local _ret=1
-               __git_zsh_helper
-               let _ret && _default -S '' && _ret=0
+               local _ret=1 cur cword prev
+               cur=${words[CURRENT]}
+               prev=${words[CURRENT-1]}
+               let cword=CURRENT-1
+               emulate ksh -c __${service}_main
+               let _ret && _default && _ret=0
                return _ret
        }
 
        compdef _git git gitk
        return
-elif [[ -n ${BASH_VERSION-} ]]; then
-       if ((${BASH_VERSINFO[0]} < 4)); then
-               # compopt is not supported
-               __git_index_file_list_filter ()
-               {
-                       __git_index_file_list_filter_compat
-               }
-       fi
 fi
 
 __git_func_wrap ()