reflog: fix warning message.

When ref@{N} is specified on a ref that has only M entries (M < N),
instead of saying the initial timestamp the reflog has, warn that
there is only M entries.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/refs.c b/refs.c
index b67b1f0..8b2a3c1 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -1013,7 +1013,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
 {
        const char *logfile, *logdata, *logend, *rec, *lastgt, *lastrec;
        char *tz_c;
-       int logfd, tz;
+       int logfd, tz, reccnt = 0;
        struct stat st;
        unsigned long date;
        unsigned char logged_sha1[20];
@@ -1031,6 +1031,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
        lastrec = NULL;
        rec = logend = logdata + st.st_size;
        while (logdata < rec) {
+               reccnt++;
                if (logdata < rec && *(rec-1) == '\n')
                        rec--;
                lastgt = NULL;
@@ -1087,8 +1088,12 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
        if (get_sha1_hex(logdata, sha1))
                die("Log %s is corrupt.", logfile);
        munmap((void*)logdata, st.st_size);
-       fprintf(stderr, "warning: Log %s only goes back to %s.\n",
-               logfile, show_rfc2822_date(date, tz));
+       if (at_time)
+               fprintf(stderr, "warning: Log %s only goes back to %s.\n",
+                       logfile, show_rfc2822_date(date, tz));
+       else
+               fprintf(stderr, "warning: Log %s only has %d entries.\n",
+                       logfile, reccnt);
        return 0;
 }
 
@@ -1116,3 +1121,4 @@ void for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data)
        }
        fclose(logfp);
 }
+