timestamp_t: a new data type for timestamps

diff --git a/builtin/revert.c b/builtin/revert.c
index 4ca5b515449a355ae04f0ff496a8ee0b7143e29a..345d9586a709c08a1095f2635833d075c45fe7be 100644 (file)
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -54,6 +54,24 @@ static int option_parse_x(const struct option *opt,
        return 0;
 }
 
+static int option_parse_m(const struct option *opt,
+                         const char *arg, int unset)
+{
+       struct replay_opts *replay = opt->value;
+       char *end;
+
+       if (unset) {
+               replay->mainline = 0;
+               return 0;
+       }
+
+       replay->mainline = strtol(arg, &end, 10);
+       if (*end || replay->mainline <= 0)
+               return opterror(opt, "expects a number greater than zero", 0);
+
+       return 0;
+}
+
 LAST_ARG_MUST_BE_NULL
 static void verify_opt_compatible(const char *me, const char *base_opt, ...)
 {
@@ -84,7 +102,8 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
                OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")),
                OPT_NOOP_NOARG('r', NULL),
                OPT_BOOL('s', "signoff", &opts->signoff, N_("add Signed-off-by:")),
-               OPT_INTEGER('m', "mainline", &opts->mainline, N_("parent number")),
+               OPT_CALLBACK('m', "mainline", opts, N_("parent-number"),
+                            N_("select mainline parent"), option_parse_m),
                OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto),
                OPT_STRING(0, "strategy", &opts->strategy, N_("strategy"), N_("merge strategy")),
                OPT_CALLBACK('X', "strategy-option", &opts, N_("option"),