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-rw-r--r--builtin/describe.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/builtin/describe.c b/builtin/describe.c
index 6636a68..4e675c3 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -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),