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-rw-r--r--shallow.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/shallow.c b/shallow.c
index 732e18d54f..02fdbfc554 100644
--- a/shallow.c
+++ b/shallow.c
@@ -247,6 +247,7 @@ static void check_shallow_file_for_update(struct repository *r)
#define SEEN_ONLY 1
#define VERBOSE 2
+#define QUICK 4
struct write_shallow_data {
struct strbuf *out;
@@ -261,7 +262,10 @@ static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
const char *hex = oid_to_hex(&graft->oid);
if (graft->nr_parent != -1)
return 0;
- if (data->flags & SEEN_ONLY) {
+ if (data->flags & QUICK) {
+ if (!has_object_file(&graft->oid))
+ return 0;
+ } else if (data->flags & SEEN_ONLY) {
struct commit *c = lookup_commit(the_repository, &graft->oid);
if (!c || !(c->object.flags & SEEN)) {
if (data->flags & VERBOSE)
@@ -371,16 +375,23 @@ void advertise_shallow_grafts(int fd)
/*
* mark_reachable_objects() should have been run prior to this and all
- * reachable commits marked as "SEEN".
+ * reachable commits marked as "SEEN", except when quick_prune is non-zero,
+ * in which case lines are excised from the shallow file if they refer to
+ * commits that do not exist (any longer).
*/
-void prune_shallow(int show_only)
+void prune_shallow(unsigned options)
{
struct lock_file shallow_lock = LOCK_INIT;
struct strbuf sb = STRBUF_INIT;
+ unsigned flags = SEEN_ONLY;
int fd;
- if (show_only) {
- write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY | VERBOSE);
+ if (options & PRUNE_QUICK)
+ flags |= QUICK;
+
+ if (options & PRUNE_SHOW_ONLY) {
+ flags |= VERBOSE;
+ write_shallow_commits_1(&sb, 0, NULL, flags);
strbuf_release(&sb);
return;
}
@@ -388,7 +399,7 @@ void prune_shallow(int show_only)
git_path_shallow(the_repository),
LOCK_DIE_ON_ERROR);
check_shallow_file_for_update(the_repository);
- if (write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY)) {
+ if (write_shallow_commits_1(&sb, 0, NULL, flags)) {
if (write_in_full(fd, sb.buf, sb.len) < 0)
die_errno("failed to write to %s",
get_lock_file_path(&shallow_lock));