[PATCH] Display the most recent modtime for the repolist

[fparent at baylibre.com (Fabien Parent)]

Instead of using the modtime of the master branch cgit now uses the modtime
of the lastest ref updated.
---
 ui-repolist.c | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/ui-repolist.c b/ui-repolist.c
index 2ab6e9e..dcd74dc 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -13,6 +13,11 @@
 #include "ui-shared.h"
 #include <strings.h>
 
+struct ref_mod_time {
+	struct cgit_repo *repo;
+	time_t mod_time;
+};
+
 static time_t read_agefile(char *path)
 {
 	time_t result;
@@ -74,11 +79,32 @@ end:
 	return (r->mtime != 0);
 }
 
+static int get_ref_mod_time(const char *refname, const unsigned char *sha1,
+			    int flags, void *cb_data)
+{
+	struct ref_mod_time *rmt = (struct ref_mod_time*) cb_data;
+	char *defbranch_old;
+
+	defbranch_old = rmt->repo->defbranch;
+	rmt->repo->defbranch = (char*) refname;
+	get_repo_modtime(rmt->repo, &rmt->mod_time);
+	rmt->repo->defbranch = defbranch_old;
+	return 0;
+}
+
 static void print_modtime(struct cgit_repo *repo)
 {
-	time_t t;
-	if (get_repo_modtime(repo, &t))
-		cgit_print_age(t, -1, NULL);
+	struct ref_mod_time rmt = { .repo = repo };
+	struct ref_mod_time last_mod_ref = {0};
+
+	/* Get the time of the most recent update to the repo */
+	setenv("GIT_DIR", repo->path, 1);
+	for_each_branch_ref(get_ref_mod_time, &rmt);
+	if (rmt.mod_time > last_mod_ref.mod_time)
+		last_mod_ref = rmt;
+
+	if (last_mod_ref.mod_time)
+		cgit_print_age(last_mod_ref.mod_time, -1, NULL);
 }
 
 static int is_match(struct cgit_repo *repo)
-- 
1.8.4.rc1