# *) .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:
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)"
*) pfx="$ref:$pfx" ;;
esac
- __gitcomp_nl "$(git --git-dir="$(__gitdir)" ls-tree "$ls" \
+ __gitcomp_nl "$(git --git-dir="$(__gitdir)" ls-tree "$ls" 2>/dev/null \
| sed '/^100... blob /{
s,^.* ,,
s,$, ,
}
+# __git_complete_index_file requires 1 argument: the options to pass to
+# ls-file
+__git_complete_index_file ()
+{
+ local pfx cur_="$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
return 1
}
+__git_commands () {
+ if test -n "${GIT_TESTING_COMMAND_COMPLETION:-}"
+ then
+ printf "%s" "${GIT_TESTING_COMMAND_COMPLETION}"
+ else
+ git help -a|egrep '^ [a-zA-Z0-9]'
+ fi
+}
+
__git_list_all_commands ()
{
local i IFS=" "$'\n'
- for i in $(git help -a|egrep '^ [a-zA-Z0-9]')
+ for i in $(__git_commands)
do
case $i in
*--*) : helper pattern;;
archimport) : import;;
cat-file) : plumbing;;
check-attr) : plumbing;;
+ check-ignore) : plumbing;;
check-ref-format) : plumbing;;
checkout-index) : plumbing;;
commit-tree) : plumbing;;
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" $c
+}
+
__git_whitespacelist="nowarn warn error error-all fix"
_git_am ()
_git_add ()
{
- __git_has_doubledash && return
-
case "$cur" in
--*)
__gitcomp "
"
return
esac
- COMPREPLY=()
+
+ # XXX should we check for --update and --all options ?
+ __git_complete_index_file "--others --modified"
}
_git_archive ()
_git_clean ()
{
- __git_has_doubledash && return
-
case "$cur" in
--*)
__gitcomp "--dry-run --quiet"
return
;;
esac
- COMPREPLY=()
+
+ # XXX should we check for -x option ?
+ __git_complete_index_file "--others"
}
_git_clone ()
_git_commit ()
{
- __git_has_doubledash && return
+ case "$prev" in
+ -c|-C)
+ __gitcomp_nl "$(__git_refs)" "" "${cur}"
+ return
+ ;;
+ esac
case "$prev" in
-c|-C)
"
return
esac
- COMPREPLY=()
+
+ if git rev-parse --verify --quiet HEAD >/dev/null; then
+ __git_complete_diff_index_file "HEAD"
+ else
+ # This is the first commit
+ __git_complete_index_file "--cached"
+ fi
}
_git_describe ()
__gitcomp_nl "$(__git_refs)"
}
+ __git_diff_algorithms="myers minimal patience histogram"
+
__git_diff_common_options="--stat --numstat --shortstat --summary
--patch-with-stat --name-only --name-status --color
--no-color --color-words --no-renames --check
--no-ext-diff
--no-prefix --src-prefix= --dst-prefix=
--inter-hunk-context=
- --patience
+ --patience --histogram --minimal
--raw
--dirstat --dirstat= --dirstat-by-file
--dirstat-by-file= --cumulative
+ --diff-algorithm=
"
_git_diff ()
__git_has_doubledash && return
case "$cur" in
+ --diff-algorithm=*)
+ __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
+ return
+ ;;
--*)
__gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
--base --ours --theirs --no-index
_git_ls_files ()
{
- __git_has_doubledash && return
-
case "$cur" in
--*)
__gitcomp "--cached --deleted --modified --others --ignored
return
;;
esac
- COMPREPLY=()
+
+ # XXX ignore options like --modified and always suggest all cached
+ # files.
+ __git_complete_index_file "--cached"
}
_git_ls_remote ()
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 ()
while [ $c -gt 1 ]; do
word="${words[c]}"
case "$word" in
- --global|--system|--file=*)
+ --system|--global|--local|--file=*)
config_file="$word"
break
;;
case "$cur" in
--*)
__gitcomp "
- --global --system --file=
+ --system --global --local --file=
--list --replace-all
--get --get-all --get-regexp
--add --unset --unset-all
diff.suppressBlankEmpty
diff.tool
diff.wordRegex
+ diff.algorithm
difftool.
difftool.prompt
fetch.recurseSubmodules
_git_rm ()
{
- __git_has_doubledash && return
-
case "$cur" in
--*)
__gitcomp "--cached --dry-run --ignore-unmatch --quiet"
return
;;
esac
- COMPREPLY=()
+
+ __git_complete_index_file "--cached"
}
_git_shortlog ()
" "" "${cur#*=}"
return
;;
+ --diff-algorithm=*)
+ __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
+ return
+ ;;
--*)
__gitcomp "--pretty= --format= --abbrev-commit --oneline
$__git_diff_common_options
--*=*|*.) ;;
*) c="$c " ;;
esac
- array+=("$c")
+ array[$#array+1]="$c"
done
compset -P '*[=:]'
compadd -Q -S '' -p "${2-}" -a -- array && _ret=0
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
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 ()
static int diff_stat_graph_width;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;
+ static long diff_algorithm;
static char diff_colors[][COLOR_MAXLEN] = {
GIT_COLOR_RESET,
return git_config_bool(var,value) ? DIFF_DETECT_RENAME : 0;
}
+ long parse_algorithm_value(const char *value)
+ {
+ if (!value)
+ return -1;
+ else if (!strcasecmp(value, "myers") || !strcasecmp(value, "default"))
+ return 0;
+ else if (!strcasecmp(value, "minimal"))
+ return XDF_NEED_MINIMAL;
+ else if (!strcasecmp(value, "patience"))
+ return XDF_PATIENCE_DIFF;
+ else if (!strcasecmp(value, "histogram"))
+ return XDF_HISTOGRAM_DIFF;
+ return -1;
+ }
+
/*
* These are to give UI layer defaults.
* The core-level commands such as git-diff-files should
return 0;
}
+ if (!strcmp(var, "diff.algorithm")) {
+ diff_algorithm = parse_algorithm_value(value);
+ if (diff_algorithm < 0)
+ return -1;
+ return 0;
+ }
+
if (git_color_config(var, value, cb) < 0)
return -1;
int nofirst;
FILE *file = o->file;
- if (o->output_prefix) {
- struct strbuf *msg = NULL;
- msg = o->output_prefix(o, o->output_prefix_data);
- assert(msg);
- fwrite(msg->buf, msg->len, 1, file);
- }
+ fputs(diff_line_prefix(o), file);
if (len == 0) {
has_trailing_newline = (first == '\n');
char *data_one, *data_two;
size_t size_one, size_two;
struct emit_callback ecbdata;
- char *line_prefix = "";
- struct strbuf *msgbuf;
-
- if (o && o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ const char *line_prefix = diff_line_prefix(o);
if (diff_mnemonic_prefix && DIFF_OPT_TST(o, REVERSE_DIFF)) {
a_prefix = o->b_prefix;
int minus_first, minus_len, plus_first, plus_len;
const char *minus_begin, *minus_end, *plus_begin, *plus_end;
struct diff_options *opt = diff_words->opt;
- struct strbuf *msgbuf;
- char *line_prefix = "";
+ const char *line_prefix;
if (line[0] != '@' || parse_hunk_header(line, len,
&minus_first, &minus_len, &plus_first, &plus_len))
return;
assert(opt);
- if (opt->output_prefix) {
- msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ line_prefix = diff_line_prefix(opt);
/* POSIX requires that first be decremented by one if len == 0... */
if (minus_len) {
struct diff_words_style *style = diff_words->style;
struct diff_options *opt = diff_words->opt;
- struct strbuf *msgbuf;
- char *line_prefix = "";
+ const char *line_prefix;
assert(opt);
- if (opt->output_prefix) {
- msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ line_prefix = diff_line_prefix(opt);
/* special case: only removal */
if (!diff_words->plus.text.size) {
return "";
}
+const char *diff_line_prefix(struct diff_options *opt)
+{
+ struct strbuf *msgbuf;
+ if (!opt->output_prefix)
+ return "";
+
+ msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
+ return msgbuf->buf;
+}
+
static unsigned long sane_truncate_line(struct emit_callback *ecb, char *line, unsigned long len)
{
const char *cp;
const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
- char *line_prefix = "";
- struct strbuf *msgbuf;
-
- if (o && o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ const char *line_prefix = diff_line_prefix(o);
if (ecbdata->header) {
fprintf(ecbdata->opt->file, "%s", ecbdata->header->buf);
const char *reset, *add_c, *del_c;
const char *line_prefix = "";
int extra_shown = 0;
- struct strbuf *msg = NULL;
if (data->nr == 0)
return;
- if (options->output_prefix) {
- msg = options->output_prefix(options, options->output_prefix_data);
- line_prefix = msg->buf;
- }
-
+ line_prefix = diff_line_prefix(options);
count = options->stat_count ? options->stat_count : data->nr;
reset = diff_get_color_opt(options, DIFF_RESET);
dels += deleted;
}
}
- if (options->output_prefix) {
- struct strbuf *msg = NULL;
- msg = options->output_prefix(options,
- options->output_prefix_data);
- fprintf(options->file, "%s", msg->buf);
- }
+ fprintf(options->file, "%s", diff_line_prefix(options));
print_stat_summary(options->file, total_files, adds, dels);
}
for (i = 0; i < data->nr; i++) {
struct diffstat_file *file = data->files[i];
- if (options->output_prefix) {
- struct strbuf *msg = NULL;
- msg = options->output_prefix(options,
- options->output_prefix_data);
- fprintf(options->file, "%s", msg->buf);
- }
+ fprintf(options->file, "%s", diff_line_prefix(options));
if (file->is_binary)
fprintf(options->file, "-\t-\t");
{
unsigned long this_dir = 0;
unsigned int sources = 0;
- const char *line_prefix = "";
- struct strbuf *msg = NULL;
-
- if (opt->output_prefix) {
- msg = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = msg->buf;
- }
+ const char *line_prefix = diff_line_prefix(opt);
while (dir->nr) {
struct dirstat_file *f = dir->files;
const char *reset = diff_get_color(data->o->use_color, DIFF_RESET);
const char *set = diff_get_color(data->o->use_color, DIFF_FILE_NEW);
char *err;
- char *line_prefix = "";
- struct strbuf *msgbuf;
+ const char *line_prefix;
assert(data->o);
- if (data->o->output_prefix) {
- msgbuf = data->o->output_prefix(data->o,
- data->o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ line_prefix = diff_line_prefix(data->o);
if (line[0] == '+') {
unsigned bad;
return deflated;
}
-static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix)
+static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
+ const char *prefix)
{
void *cp;
void *delta;
free(data);
}
-static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix)
+static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two,
+ const char *prefix)
{
fprintf(file, "%sGIT binary patch\n", prefix);
emit_binary_diff_body(file, one, two, prefix);
struct userdiff_driver *textconv_one = NULL;
struct userdiff_driver *textconv_two = NULL;
struct strbuf header = STRBUF_INIT;
- struct strbuf *msgbuf;
- char *line_prefix = "";
-
- if (o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ const char *line_prefix = diff_line_prefix(o);
if (DIFF_OPT_TST(o, SUBMODULE_LOG) &&
(!one->mode || S_ISGITLINK(one->mode)) &&
{
const char *set = diff_get_color(use_color, DIFF_METAINFO);
const char *reset = diff_get_color(use_color, DIFF_RESET);
- struct strbuf *msgbuf;
- char *line_prefix = "";
+ const char *line_prefix = diff_line_prefix(o);
*must_show_header = 1;
- if (o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
strbuf_init(msg, PATH_MAX * 2 + 300);
switch (p->status) {
case DIFF_STATUS_COPIED:
options->add_remove = diff_addremove;
options->use_color = diff_use_color_default;
options->detect_rename = diff_detect_rename_default;
+ options->xdl_opts |= diff_algorithm;
if (diff_no_prefix) {
options->a_prefix = options->b_prefix = "";
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
else if (!strcmp(arg, "--histogram"))
options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
+ else if (!prefixcmp(arg, "--diff-algorithm=")) {
+ long value = parse_algorithm_value(arg+17);
+ if (value < 0)
+ return error("option diff-algorithm accepts \"myers\", "
+ "\"minimal\", \"patience\" and \"histogram\"");
+ /* clear out previous settings */
+ DIFF_XDL_CLR(options, NEED_MINIMAL);
+ options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
+ options->xdl_opts |= value;
+ }
/* flags options */
else if (!strcmp(arg, "--binary")) {
DIFF_OPT_SET(options, FIND_COPIES_HARDER);
else if (!strcmp(arg, "--follow"))
DIFF_OPT_SET(options, FOLLOW_RENAMES);
+ else if (!strcmp(arg, "--no-follow"))
+ DIFF_OPT_CLR(options, FOLLOW_RENAMES);
else if (!strcmp(arg, "--color"))
options->use_color = 1;
else if (!prefixcmp(arg, "--color=")) {
{
int line_termination = opt->line_termination;
int inter_name_termination = line_termination ? '\t' : '\0';
- if (opt->output_prefix) {
- struct strbuf *msg = NULL;
- msg = opt->output_prefix(opt, opt->output_prefix_data);
- fprintf(opt->file, "%s", msg->buf);
- }
+ fprintf(opt->file, "%s", diff_line_prefix(opt));
if (!(opt->output_format & DIFF_FORMAT_NAME_STATUS)) {
fprintf(opt->file, ":%06o %06o %s ", p->one->mode, p->two->mode,
diff_unique_abbrev(p->one->sha1, opt->abbrev));
static void diff_summary(struct diff_options *opt, struct diff_filepair *p)
{
FILE *file = opt->file;
- char *line_prefix = "";
-
- if (opt->output_prefix) {
- struct strbuf *buf = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = buf->buf;
- }
+ const char *line_prefix = diff_line_prefix(opt);
switch(p->status) {
case DIFF_STATUS_DELETED:
if (output_format & DIFF_FORMAT_PATCH) {
if (separator) {
- if (options->output_prefix) {
- struct strbuf *msg = NULL;
- msg = options->output_prefix(options,
- options->output_prefix_data);
- fwrite(msg->buf, msg->len, 1, stdout);
- }
- putc(options->line_termination, options->file);
+ fprintf(options->file, "%s%c",
+ diff_line_prefix(options),
+ options->line_termination);
if (options->stat_sep) {
/* attach patch instead of inline */
fputs(options->stat_sep, options->file);