Thread (4 messages) flat view 4 messages, 3 authors, 2016-06-15

Re: t9902 fails

From: Junio C Hamano <hidden>
Date: 2016-06-15 22:55:48
Subsystem: the rest · Maintainer: Linus Torvalds

Possibly related (same subject, not in this thread)

Junio C Hamano [off-list ref] writes:
quoted hunk
How about doing something like this and set that variable in the
test instead?  If STD_ONLY is not set, you will get everything, but
when STD_ONLY is set, we will stop reading from "help -a" when it
starts listing additional stuff.

 contrib/completion/git-completion.bash | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index a4c48e1..415a078 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -534,7 +534,8 @@ __git_complete_strategy ()
 __git_list_all_commands ()
 {
 	local i IFS=" "$'\n'
-	for i in $(git help -a|egrep '^  [a-zA-Z0-9]')
+	for i in $(LANG=C LC_ALL=C git help -a |
+		   sed -n ${GIT_HELP_STD_ONLY+-e /^git.*elsewhere/q} -e '/^  [a-zA-Z0-9]/p')
 	do
 		case $i in
 		*--*)             : helper pattern;;
Alternatively, we could do this and replace everything inside $()
with "git help --standard", but that requires the completion script
update to go in sync with the core update, which is a downside.

 builtin/help.c | 21 +++++++++++++++++----
 help.c         |  3 +++
 2 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/builtin/help.c b/builtin/help.c
index bd86253..e6b9b5f 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -36,11 +36,16 @@ enum help_format {
 
 static const char *html_path;
 
-static int show_all = 0;
+#define HELP_ALL 1
+#define HELP_STANDARD 2
+static int show_what;
 static unsigned int colopts;
 static enum help_format help_format = HELP_FORMAT_NONE;
 static struct option builtin_help_options[] = {
-	OPT_BOOLEAN('a', "all", &show_all, N_("print all available commands")),
+	OPT_SET_INT('a', "all", &show_what, N_("print all available commands"),
+		    HELP_ALL),
+	OPT_SET_INT(0, "standard", &show_what, N_("list subcommands that comes with git"),
+		    HELP_STANDARD),
 	OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN),
 	OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"),
 			HELP_FORMAT_WEB),
@@ -436,19 +441,27 @@ int cmd_help(int argc, const char **argv, const char *prefix)
 	int nongit;
 	const char *alias;
 	enum help_format parsed_help_format;
-	load_command_list("git-", &main_cmds, &other_cmds);
 
 	argc = parse_options(argc, argv, prefix, builtin_help_options,
 			builtin_help_usage, 0);
 	parsed_help_format = help_format;
 
-	if (show_all) {
+	load_command_list("git-", &main_cmds,
+			  show_what == HELP_STANDARD ? NULL : &other_cmds);
+
+	if (show_what == HELP_ALL) {
 		git_config(git_help_config, NULL);
 		printf(_("usage: %s%s"), _(git_usage_string), "\n\n");
 		list_commands(colopts, &main_cmds, &other_cmds);
 		printf("%s\n", _(git_more_info_string));
 		return 0;
 	}
+	if (show_what == HELP_STANDARD) {
+		int i;
+		for (i = 0; i < main_cmds.cnt; i++)
+			printf("%s\n", main_cmds.names[i]->name);
+		return 0;
+	}
 
 	if (!argv[0]) {
 		printf(_("usage: %s%s"), _(git_usage_string), "\n\n");
diff --git a/help.c b/help.c
index 2a42ec6..3e6b04c 100644
--- a/help.c
+++ b/help.c
@@ -182,6 +182,9 @@ void load_command_list(const char *prefix,
 		uniq(main_cmds);
 	}
 
+	if (!other_cmds)
+		return;
+
 	if (env_path) {
 		char *paths, *path, *colon;
 		path = paths = xstrdup(env_path);
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