ui-log: show name-decorations in log output

Commits are now decorated with a clickable 'label' for each ref pointing
at it, similar to how gitweb and gitk displays commit decorations.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

2 files changed, 59 insertions, 0 deletions

diff --git a/cgit.css b/cgit.css
index 7928c2f..f19446d 100644
--- a/cgit.css
+++ b/cgit.css
@@ -471,3 +471,27 @@ div.footer {
         font-size: 80%;
         color: #ccc;
 }
+a.branch-deco {
+        margin: 0px 0.5em;
+        padding: 0px 0.25em;
+        background-color: #88ff88;
+        border: solid 1px #007700;
+}
+a.tag-deco {
+        margin: 0px 0.5em;
+        padding: 0px 0.25em;
+        background-color: #ffff88;
+        border: solid 1px #777700;
+}
+a.remote-deco {
+        margin: 0px 0.5em;
+        padding: 0px 0.25em;
+        background-color: #ccccff;
+        border: solid 1px #000077;
+}
+a.deco {
+        margin: 0px 0.5em;
+        padding: 0px 0.25em;
+        background-color: #ff8888;
+        border: solid 1px #770000;
+}
diff --git a/ui-log.c b/ui-log.c
index 2f90778..c3757dd 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -31,6 +31,38 @@ void inspect_files(struct diff_filepair *pair)
                 cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines);
 }
 
+void show_commit_decorations(struct commit *commit)
+{
+        struct name_decoration *deco;
+        static char buf[1024];
+
+        buf[sizeof(buf) - 1] = 0;
+        deco = lookup_decoration(&name_decoration, &commit->object);
+        while (deco) {
+                if (!prefixcmp(deco->name, "refs/heads/")) {
+                        strncpy(buf, deco->name + 11, sizeof(buf) - 1);
+                        cgit_log_link(buf, NULL, "branch-deco", buf, NULL, NULL,
+                                0, NULL, NULL, ctx.qry.showmsg);
+                }
+                else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
+                        strncpy(buf, deco->name + 15, sizeof(buf) - 1);
+                        cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
+                }
+                else if (!prefixcmp(deco->name, "refs/remotes/")) {
+                        strncpy(buf, deco->name + 13, sizeof(buf) - 1);
+                        cgit_log_link(buf, NULL, "remote-deco", NULL,
+                                sha1_to_hex(commit->object.sha1), NULL,
+                                0, NULL, NULL, ctx.qry.showmsg);
+                }
+                else {
+                        strncpy(buf, deco->name, sizeof(buf) - 1);
+                        cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
+                                sha1_to_hex(commit->object.sha1));
+                }
+                deco = deco->next;
+        }
+}
+
 void print_commit(struct commit *commit)
 {
         struct commitinfo *info;
@@ -49,6 +81,7 @@ void print_commit(struct commit *commit)
                 ctx.qry.showmsg ? " class='logsubject'" : "");
         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
                          sha1_to_hex(commit->object.sha1));
+        show_commit_decorations(commit);
         html("</td><td>");
         html_txt(info->author);
         if (ctx.repo->enable_log_filecount) {
@@ -119,6 +152,8 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
         rev.verbose_header = 1;
         rev.show_root_diff = 0;
         setup_revisions(argc, argv, &rev, NULL);
+        load_ref_decorations();
+        rev.show_decorations = 1;
         rev.grep_filter.regflags |= REG_ICASE;
         compile_grep_patterns(&rev.grep_filter);
         prepare_revision_walk(&rev);