Merge branch 'mm/color-auto-default'
[gitweb.git] / builtin / describe.c
index 6636a68cd919ba227a10cfa39efcd5f4e77a801d..4e675c3d0d7b1daeb7f12ef425514a11a92a5c3f 100644 (file)
@@ -21,6 +21,7 @@ static int debug;     /* Display lots of verbose info */
 static int all;        /* Any valid ref can be used */
 static int tags;       /* Allow lightweight tags */
 static int longformat;
+static int first_parent;
 static int abbrev = -1; /* unspecified */
 static int max_candidates = 10;
 static struct hash_table names;
@@ -42,7 +43,7 @@ struct commit_name {
        unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */
        unsigned name_checked:1;
        unsigned char sha1[20];
-       const char *path;
+       char *path;
 };
 static const char *prio_names[] = {
        "head", "lightweight", "annotated",
@@ -126,12 +127,14 @@ static void add_to_known_names(const char *path,
                        } else {
                                e->next = NULL;
                        }
+                       e->path = NULL;
                }
                e->tag = tag;
                e->prio = prio;
                e->name_checked = 0;
                hashcpy(e->sha1, sha1);
-               e->path = path;
+               free(e->path);
+               e->path = xstrdup(path);
        }
 }
 
@@ -336,6 +339,9 @@ static void describe(const char *arg, int last_one)
                                commit_list_insert_by_date(p, &list);
                        p->object.flags |= c->object.flags;
                        parents = parents->next;
+
+                       if (first_parent)
+                               break;
                }
        }
 
@@ -404,6 +410,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN(0, "all",        &all, N_("use any ref")),
                OPT_BOOLEAN(0, "tags",       &tags, N_("use any tag, even unannotated")),
                OPT_BOOLEAN(0, "long",       &longformat, N_("always use long format")),
+               OPT_BOOLEAN(0, "first-parent", &first_parent, N_("only follow first parent")),
                OPT__ABBREV(&abbrev),
                OPT_SET_INT(0, "exact-match", &max_candidates,
                            N_("only output exact matches"), 0),