diff options
| -rw-r--r-- | contrib/completion/git-completion.bash | 255 |
1 files changed, 240 insertions, 15 deletions
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 5770b6f2d..c8452fb16 100644 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -13,6 +13,7 @@ # *) .git/remotes file names # *) git 'subcommands' # *) tree paths within 'ref:path/to/file' expressions +# *) file paths within current working directory and index # *) common --long-options # # To use these routines: @@ -233,6 +234,118 @@ __gitcomp_nl () COMPREPLY=($(compgen -P "${2-}" -S "${4- }" -W "$1" -- "${3-$cur}")) } +# Generates completion reply with compgen from newline-separated possible +# completion filenames. +# It accepts 1 to 3 arguments: +# 1: List of possible completion filenames, separated by a single newline. +# 2: A directory prefix to be added to each possible completion filename +# (optional). +# 3: Generate possible completion matches for this word (optional). +__gitcomp_file () +{ + local IFS=$'\n' + + # XXX does not work when the directory prefix contains a tilde, + # 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-$cur}")) + + # Tell Bash that compspec generates filenames. + compopt -o filenames 2>/dev/null +} + +__git_index_file_list_filter_compat () +{ + local path + + while read -r path; do + case "$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. +__git_ls_files_helper () +{ + # NOTE: $2 is not quoted in order to support multiple options + cd "$1" && git ls-files --exclude-standard $2 +} 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 () +{ + 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="${2-.}" + + if [ -d "$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" "$1" | __git_index_file_list_filter | + sort | uniq + fi +} + __git_heads () { local dir="$(__gitdir)" @@ -430,6 +543,46 @@ __git_complete_revlist_file () } +# __git_complete_index_file requires 1 argument: the options to pass to +# ls-file +__git_complete_index_file () +{ + 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 +} + __git_complete_file () { __git_complete_revlist_file @@ -732,6 +885,43 @@ __git_has_doubledash () return 1 } +# Try to count non option arguments passed on the command line for the +# specified git command. +# When options are used, it is necessary to use the special -- option to +# tell the implementation were non option arguments begin. +# XXX this can not be improved, since options can appear everywhere, as +# an example: +# git mv x -n y +# +# __git_count_arguments requires 1 argument: the git command executed. +__git_count_arguments () +{ + local word i c=0 + + # Skip "git" (first argument) + for ((i=1; i < ${#words[@]}; i++)); do + word="${words[i]}" + + case "$word" in + --) + # Good; we can assume that the following are only non + # option arguments. + ((c = 0)) + ;; + "$1") + # Skip the specified git command and discard git + # main options + ((c = 0)) + ;; + ?*) + ((c++)) + ;; + esac + done + + printf "%d" $c +} + __git_whitespacelist="nowarn warn error error-all fix" _git_am () @@ -780,8 +970,6 @@ _git_apply () _git_add () { - __git_has_doubledash && return - case "$cur" in --*) __gitcomp " @@ -790,7 +978,9 @@ _git_add () " return esac - COMPREPLY=() + + # XXX should we check for --update and --all options ? + __git_complete_index_file "--others --modified" } _git_archive () @@ -940,15 +1130,15 @@ _git_cherry_pick () _git_clean () { - __git_has_doubledash && return - case "$cur" in --*) __gitcomp "--dry-run --quiet" return ;; esac - COMPREPLY=() + + # XXX should we check for -x option ? + __git_complete_index_file "--others" } _git_clone () @@ -979,7 +1169,12 @@ _git_clone () _git_commit () { - __git_has_doubledash && return + case "$prev" in + -c|-C) + __gitcomp_nl "$(__git_refs)" "" "${cur}" + return + ;; + esac case "$prev" in -c|-C) @@ -1015,7 +1210,13 @@ _git_commit () " return esac - COMPREPLY=() + + if git rev-parse --verify --quiet HEAD >/dev/null; then + __git_complete_diff_index_file "HEAD" + else + # This is the first commit + __git_complete_index_file "--cached" + fi } _git_describe () @@ -1233,8 +1434,6 @@ _git_init () _git_ls_files () { - __git_has_doubledash && return - case "$cur" in --*) __gitcomp "--cached --deleted --modified --others --ignored @@ -1247,7 +1446,10 @@ _git_ls_files () return ;; esac - COMPREPLY=() + + # XXX ignore options like --modified and always suggest all cached + # files. + __git_complete_index_file "--cached" } _git_ls_remote () @@ -1379,7 +1581,14 @@ _git_mv () return ;; esac - COMPREPLY=() + + if [ $(__git_count_arguments "mv") -gt 0 ]; then + # We need to show both cached and untracked files (including + # empty directories) since this may not be the last argument. + __git_complete_index_file "--cached --others --directory" + else + __git_complete_index_file "--cached" + fi } _git_name_rev () @@ -2085,15 +2294,14 @@ _git_revert () _git_rm () { - __git_has_doubledash && return - case "$cur" in --*) __gitcomp "--cached --dry-run --ignore-unmatch --quiet" return ;; esac - COMPREPLY=() + + __git_complete_index_file "--cached" } _git_shortlog () @@ -2458,6 +2666,15 @@ if [[ -n ${ZSH_VERSION-} ]]; then compadd -Q -S "${4- }" -p "${2-}" -- ${=1} && _ret=0 } + __gitcomp_file () + { + emulate -L zsh + + local IFS=$'\n' + compset -P '*[=:]' + compadd -Q -p "${2-}" -f -- ${=1} && _ret=0 + } + __git_zsh_helper () { emulate -L ksh @@ -2479,6 +2696,14 @@ if [[ -n ${ZSH_VERSION-} ]]; then 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 () |