Programs may use usage_msg_opt() to print a brief message followed by the program usage, and then exit. The message isn't prefixed at all, though, so it doesn't match our usual error output and is easy to overlook:
$ git clone 1 2 3
Too many arguments.usage: git clone [<options>] [--] <repo> [<dir>]
-v, --verbose be more verbose
-q, --quiet be more quiet
--progress force progress reporting
-n, --no-checkout don't create a checkout
--bare create a bare repository
[...and so on for another 31 lines...]It looks especially bad when the message starts with an option, like:
$ git replace -e
-e needs exactly one argument usage: git replace [-f] <object> <replacement>
or: git replace [-f] --edit <object>
[...etc...]Let's put our usual "fatal:" prefix in front of it.
Signed-off-by: Jeff King <peff@peff.net> --- Some of the message in git-clone could stand to be rewritten to match our usual style, too (no capitals, no trailing period), but that's obviously out of scope for this patch. I don't think this change makes them look any worse.
parse-options.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Show changes to parse-options.c +1 −1
diff --git a/parse-options.c b/parse-options.c index 312a85dbd..4fbe924a5 100644 --- a/parse-options.c +++ b/parse-options.c @@ -661,7 +661,7 @@ void NORETURN usage_msg_opt(const char *msg, const char * const *usagestr, const struct option *options) { - fprintf(stderr, "%s\n\n", msg); + fprintf(stderr, "fatal: %s\n\n", msg); usage_with_options(usagestr, options); }
-- 2.11.0.341.g202cd3142