builtin-fetch: add --prune option
Teach fetch to cull stale remote tracking branches after fetching via --prune.
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Björn Gustavsson <bgustavsson@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin-fetch.c b/builtin-fetch.c
index 4cbd690..81974ea 100644
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -26,7 +26,7 @@
TAGS_SET = 2
};
-static int all, append, force, keep, multiple, update_head_ok, verbosity;
+static int all, append, force, keep, multiple, prune, update_head_ok, verbosity;
static int tags = TAGS_DEFAULT;
static const char *depth;
static const char *upload_pack;
@@ -49,6 +49,8 @@
"fetch all tags and associated objects", TAGS_SET),
OPT_SET_INT('n', NULL, &tags,
"do not fetch all tags (--no-tags)", TAGS_UNSET),
+ OPT_BOOLEAN('p', "prune", &prune,
+ "prune tracking branches no longer on remote"),
OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"),
OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
"allow updating of HEAD ref"),
@@ -492,6 +494,28 @@
return ret;
}
+static int prune_refs(struct transport *transport, struct ref *ref_map)
+{
+ int result = 0;
+ struct ref *ref, *stale_refs = get_stale_heads(transport->remote, ref_map);
+ const char *dangling_msg = dry_run
+ ? " (%s will become dangling)\n"
+ : " (%s has become dangling)\n";
+
+ for (ref = stale_refs; ref; ref = ref->next) {
+ if (!dry_run)
+ result |= delete_ref(ref->name, NULL, 0);
+ if (verbosity >= 0) {
+ fprintf(stderr, " x %-*s %-*s -> %s\n",
+ SUMMARY_WIDTH, "[deleted]",
+ REFCOL_WIDTH, "(none)", prettify_refname(ref->name));
+ warn_dangling_symref(stderr, dangling_msg, ref->name);
+ }
+ }
+ free_refs(stale_refs);
+ return result;
+}
+
static int add_existing(const char *refname, const unsigned char *sha1,
int flag, void *cbdata)
{
@@ -616,6 +640,8 @@
free_refs(ref_map);
return 1;
}
+ if (prune)
+ prune_refs(transport, ref_map);
free_refs(ref_map);
/* if neither --no-tags nor --tags was specified, do automated tag
@@ -699,9 +725,11 @@
static int fetch_multiple(struct string_list *list)
{
int i, result = 0;
- const char *argv[] = { "fetch", NULL, NULL, NULL, NULL };
+ const char *argv[] = { "fetch", NULL, NULL, NULL, NULL, NULL };
int argc = 1;
+ if (prune)
+ argv[argc++] = "--prune";
if (verbosity >= 2)
argv[argc++] = "-v";
if (verbosity >= 1)
