3 files changed, 39 insertions, 3 deletions

diff --git a/cgit.c b/cgit.c
index c82587b..e09c86e 100644
--- a/cgit.c
+++ b/cgit.c
@@ -154,6 +154,8 @@ static void querystring_cb(const char *name, const char *value)
                 ctx.qry.name = xstrdup(value);
         } else if (!strcmp(name, "mimetype")) {
                 ctx.qry.mimetype = xstrdup(value);
+        } else if (!strcmp(name, "s")){
+                ctx.qry.sort = xstrdup(value);
         }
 }
 
diff --git a/cgit.h b/cgit.h
index 91db98a..ea90833 100644
--- a/cgit.h
+++ b/cgit.h
@@ -121,6 +121,7 @@ struct cgit_query {
         char *url;
         int   ofs;
         int nohead;
+        char *sort;
 };
 
 struct cgit_config {
diff --git a/ui-repolist.c b/ui-repolist.c
index c23232c..312a7ee 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -75,7 +75,7 @@ void print_header(int columns)
              "<th class='left'>Name</th>"
              "<th class='left'>Description</th>"
              "<th class='left'>Owner</th>"
-             "<th class='left'>Idle</th>");
+             "<th class='left'><a href=\"?s=1\">Idle</a></th>");
         if (ctx.cfg.enable_index_links)
                 html("<th class='left'>Links</th>");
         html("</tr>\n");
@@ -92,6 +92,35 @@ void print_pager(int items, int pagelen, char *search)
         html("</div>");
 }
 
+static int cgit_reposort_modtime(const void *a, const void *b)
+{
+        const struct cgit_repo *r1 = a;
+        const struct cgit_repo *r2 = b;
+        char *path;
+        struct stat s;
+        time_t t1, t2;
+        path = fmt("%s/%s", r1->path, ctx.cfg.agefile);
+        if (stat(path, &s) == 0) {
+                t1 = read_agefile(path);
+        } else {
+                path = fmt("%s/refs/heads/%s", r1->path, r1->defbranch);
+                if (stat(path, &s) != 0)
+                        return 0;
+                t1 =s.st_mtime;
+        }
+
+        path = fmt("%s/%s", r2->path, ctx.cfg.agefile);
+        if (stat(path, &s) == 0) {
+                t2 = read_agefile(path);
+        } else {
+                path = fmt("%s/refs/heads/%s", r2->path, r2->defbranch);
+                if (stat(path, &s) != 0)
+                        return 0;
+                t2 =s.st_mtime;
+        }
+        return t2-t1;
+}
+
 void cgit_print_repolist()
 {
         int i, columns = 4, hits = 0, header = 0;
@@ -108,6 +137,9 @@ void cgit_print_repolist()
         if (ctx.cfg.index_header)
                 html_include(ctx.cfg.index_header);
 
+        if(ctx.qry.sort)
+                qsort(cgit_repolist.repos,cgit_repolist.count,sizeof(struct cgit_repo),cgit_reposort_modtime);
+
         html("<table summary='repository list' class='list nowrap'>");
         for (i=0; i<cgit_repolist.count; i++) {
                 ctx.repo = &cgit_repolist.repos[i];
@@ -120,10 +152,11 @@ void cgit_print_repolist()
                         continue;
                 if (!header++)
                         print_header(columns);
-                if ((last_group == NULL && ctx.repo->group != NULL) ||
+                if (!ctx.qry.sort &&
+                    ((last_group == NULL && ctx.repo->group != NULL) ||
                     (last_group != NULL && ctx.repo->group == NULL) ||
                     (last_group != NULL && ctx.repo->group != NULL &&
-                     strcmp(ctx.repo->group, last_group))) {
+                     strcmp(ctx.repo->group, last_group)))) {
                         htmlf("<tr class='nohover'><td colspan='%d' class='repogroup'>",
                               columns);
                         html_txt(ctx.repo->group);