diff options
| author | Michael Haggerty <mhagger@alum.mit.edu> | 2016-09-05 11:44:52 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2016-09-19 10:25:11 -0700 |
| commit | ce564eb1bd541a87152e3546fb7d7a2b460df7ed (patch) | |
| tree | c9036ec33eff913fffc97cff7dc985f5cd2a5e24 /parse-options-cb.c | |
| parent | 433860f3d0beb0c6f205290bd16cda413148f098 (diff) | |
| download | git-ce564eb1bd541a87152e3546fb7d7a2b460df7ed.tar.gz | |
parse-options: add parse_opt_unknown_cb()
Add a new callback function, parse_opt_unknown_cb(), which returns -2 to
indicate that the corresponding option is unknown. This can be used to
add "-h" documentation for an option that will be handled externally to
parse_options().
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'parse-options-cb.c')
| -rw-r--r-- | parse-options-cb.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/parse-options-cb.c b/parse-options-cb.c index ba5acf3111..9f2f9b3df6 100644 --- a/parse-options-cb.c +++ b/parse-options-cb.c @@ -154,6 +154,18 @@ int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset) } /** + * Report that the option is unknown, so that other code can handle + * it. This can be used as a callback together with + * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the + * "-h" output even if it's not being handled directly by + * parse_options(). + */ +int parse_opt_unknown_cb(const struct option *opt, const char *arg, int unset) +{ + return -2; +} + +/** * Recreates the command-line option in the strbuf. */ static int recreate_opt(struct strbuf *sb, const struct option *opt, |