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-rw-r--r--unpack-trees.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/unpack-trees.c b/unpack-trees.c
index 71b70ccb12..73a1cdb43e 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -14,6 +14,7 @@
#include "dir.h"
#include "submodule.h"
#include "submodule-config.h"
+#include "fetch-object.h"
/*
* Error messages expected by scripts out of plumbing commands such as
@@ -369,6 +370,27 @@ static int check_updates(struct unpack_trees_options *o)
load_gitmodules_file(index, &state);
enable_delayed_checkout(&state);
+ if (repository_format_partial_clone && o->update && !o->dry_run) {
+ /*
+ * Prefetch the objects that are to be checked out in the loop
+ * below.
+ */
+ struct oid_array to_fetch = OID_ARRAY_INIT;
+ int fetch_if_missing_store = fetch_if_missing;
+ fetch_if_missing = 0;
+ for (i = 0; i < index->cache_nr; i++) {
+ struct cache_entry *ce = index->cache[i];
+ if ((ce->ce_flags & CE_UPDATE) &&
+ !S_ISGITLINK(ce->ce_mode)) {
+ if (!has_object_file(&ce->oid))
+ oid_array_append(&to_fetch, &ce->oid);
+ }
+ }
+ if (to_fetch.nr)
+ fetch_objects(repository_format_partial_clone,
+ &to_fetch);
+ fetch_if_missing = fetch_if_missing_store;
+ }
for (i = 0; i < index->cache_nr; i++) {
struct cache_entry *ce = index->cache[i];