remote.c: don't leak the base branch name in format_tracking_info

Found by scan.coverity.com (Id: 1127809)

Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/remote.c b/remote.c
index 0e9459cc0675d2f232b1c1fda62080d04aa88ec5..a80518362dedd79bc13893b2ff4cc8ba695417a9 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -1925,7 +1925,7 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs)
 int format_tracking_info(struct branch *branch, struct strbuf *sb)
 {
        int ours, theirs;
-       const char *base;
+       char *base;
        int upstream_is_gone = 0;
 
        switch (stat_tracking_info(branch, &ours, &theirs)) {
@@ -1941,8 +1941,7 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
                break;
        }
 
-       base = branch->merge[0]->dst;
-       base = shorten_unambiguous_ref(base, 0);
+       base = shorten_unambiguous_ref(branch->merge[0]->dst, 0);
        if (upstream_is_gone) {
                strbuf_addf(sb,
                        _("Your branch is based on '%s', but the upstream is gone.\n"),
@@ -1988,6 +1987,7 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
                        strbuf_addf(sb,
                                _("  (use \"git pull\" to merge the remote branch into yours)\n"));
        }
+       free(base);
        return 1;
 }