bash prompt: print unique detached HEAD abbreviated object name

diff --git a/parse-options.h b/parse-options.h
index 71a39c60d942601a1cf30e218df56777742d5580..c378b75b13317d27f05232c7a035ddad2374a87e 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -140,6 +140,9 @@ struct option {
 #define OPT_DATE(s, l, v, h) \
        { OPTION_CALLBACK, (s), (l), (v), N_("time"),(h), 0,    \
          parse_opt_approxidate_cb }
+#define OPT_EXPIRY_DATE(s, l, v, h) \
+       { OPTION_CALLBACK, (s), (l), (v), N_("expiry date"),(h), 0,     \
+         parse_opt_expiry_date_cb }
 #define OPT_CALLBACK(s, l, v, a, h, f) \
        { OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) }
 #define OPT_NUMBER_CALLBACK(v, h, f) \
@@ -177,6 +180,10 @@ extern NORETURN void usage_msg_opt(const char *msg,
 
 extern int optbug(const struct option *opt, const char *reason);
 extern int opterror(const struct option *opt, const char *reason, int flags);
+#if defined(__GNUC__) && ! defined(clang)
+#define opterror(o,r,f) (opterror((o),(r),(f)), -1)
+#endif
+
 /*----- incremental advanced APIs -----*/
 
 enum {
@@ -215,6 +222,7 @@ extern int parse_options_concat(struct option *dst, size_t, struct option *src);
 /*----- some often used options -----*/
 extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
 extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
+extern int parse_opt_expiry_date_cb(const struct option *, const char *, int);
 extern int parse_opt_color_flag_cb(const struct option *, const char *, int);
 extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
 extern int parse_opt_with_commit(const struct option *, const char *, int);