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-rw-r--r--parse-options-cb.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/parse-options-cb.c b/parse-options-cb.c
index 9667bc75a0..b5d920914e 100644
--- a/parse-options-cb.c
+++ b/parse-options-cb.c
@@ -159,6 +159,18 @@ 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,