ui-log: highlight annotated tags in different color

Annotated tags have some extra information... Descriptive text or signature.
Highlighting annotated tags in a different color show what tag may be worth
clicking for extra information.

Signed-off-by: Christian Hesse <mail@eworm.de>
Reviewed-by: John Keeping <john@keeping.me.uk>

2 files changed, 13 insertions, 1 deletions

diff --git a/cgit.css b/cgit.css
index 217a05a..05c4530 100644
--- a/cgit.css
+++ b/cgit.css
@@ -685,6 +685,14 @@ div#cgit a.tag-deco {
         border: solid 1px #777700;
 }
 
+div#cgit a.tag-annotated-deco {
+        color: #000;
+        margin: 0px 0.5em;
+        padding: 0px 0.25em;
+        background-color: #ffcc88;
+        border: solid 1px #777700;
+}
+
 div#cgit a.remote-deco {
         color: #000;
         margin: 0px 0.5em;
diff --git a/ui-log.c b/ui-log.c
index 8e36fba..b5cd2f6 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -65,6 +65,8 @@ void show_commit_decorations(struct commit *commit)
                 return;
         html("<span class='decoration'>");
         while (deco) {
+                struct object_id peeled;
+                int is_annotated = 0;
                 strncpy(buf, prettify_refname(deco->name), sizeof(buf) - 1);
                 switch(deco->type) {
                 case DECORATION_NONE:
@@ -77,7 +79,9 @@ void show_commit_decorations(struct commit *commit)
                                 ctx.qry.showmsg, 0);
                         break;
                 case DECORATION_REF_TAG:
-                        cgit_tag_link(buf, NULL, "tag-deco", buf);
+                        if (!peel_ref(deco->name, &peeled))
+                                is_annotated = !oidcmp(&commit->object.oid, &peeled);
+                        cgit_tag_link(buf, NULL, is_annotated ? "tag-annotated-deco" : "tag-deco", buf);
                         break;
                 case DECORATION_REF_REMOTE:
                         if (!ctx.repo->enable_remote_branches)