Add function cgit_parse_tag()

Teach cgit how to extract author info from a tag.

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

2 files changed, 55 insertions, 0 deletions

@@ -27,6 +27,13 @@ struct commitinfo {
         char *msg;
 };
 
+struct taginfo {
+        char *tagger;
+        char *tagger_email;
+        int tagger_date;
+        char *msg;
+};
+
 extern const char cgit_version[];
 
 extern char *cgit_root;
@@ -87,6 +94,7 @@ extern void html_filemode(unsigned short mode);
 extern int cgit_read_config(const char *filename, configfn fn);
 extern int cgit_parse_query(char *txt, configfn fn);
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
+extern struct taginfo *cgit_parse_tag(struct tag *tag);
 
 extern char *cache_safe_filename(const char *unsafe);
 extern int cache_lock(struct cacheitem *item);
@@ -196,3 +196,50 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
         }
         return ret;
 }
+
+
+struct taginfo *cgit_parse_tag(struct tag *tag)
+{
+        void *data;
+        char type[20];
+        unsigned long size;
+        char *p, *t;
+        struct taginfo *ret;
+
+        data = read_sha1_file(tag->object.sha1, type, &size);
+        if (!data || strcmp(type, tag_type)) {
+                free(data);
+                return 0;
+        }
+        
+        ret = xmalloc(sizeof(*ret));
+        ret->tagger = NULL;
+        ret->tagger_email = NULL;
+        ret->tagger_date = 0;
+        ret->msg = NULL;
+
+        p = data;
+
+        while (p) {
+                if (*p == '\n')
+                        break;
+
+                if (!strncmp(p, "tagger ", 7)) {
+                        p += 7;
+                        t = strchr(p, '<') - 1;
+                        ret->tagger = substr(p, t);
+                        p = t;
+                        t = strchr(t, '>') + 1;
+                        ret->tagger_email = substr(p, t);
+                        ret->tagger_date = atol(++t);
+                }
+                p = strchr(p, '\n') + 1;
+        }
+
+        while (p && (*p == '\n'))
+                p = strchr(p, '\n') + 1;
+        if (p)
+                ret->msg = xstrdup(p);
+        free(data);
+        return ret;
+}