Merge branch 'ps/leakfixes-part-6'

More leakfixes.

* ps/leakfixes-part-6: (22 commits)
  builtin/repack: fix leaking keep-pack list
  merge-ort: fix two leaks when handling directory rename modifications
  match-trees: fix leaking prefixes in `shift_tree()`
  builtin/fmt-merge-msg: fix leaking buffers
  builtin/grep: fix leaking object context
  builtin/pack-objects: plug leaking list of keep-packs
  builtin/repack: fix leaking line buffer when packing promisors
  negotiator/skipping: fix leaking commit entries
  shallow: fix leaking members of `struct shallow_info`
  shallow: free grafts when unregistering them
  object: clear grafts when clearing parsed object pool
  gpg-interface: fix misdesigned signing key interfaces
  send-pack: fix leaking push cert nonce
  remote: fix leak in reachability check of a remote-tracking ref
  remote: fix leaking tracking refs
  builtin/submodule--helper: fix leaking refs on push-check
  submodule: fix leaking fetch task data
  upload-pack: fix leaking child process data on reachability checks
  builtin/push: fix leaking refspec query result
  send-pack: fix leaking common object IDs
  ...

1 files changed, 13 insertions, 1 deletions

diff --git a/object.c b/object.c
index d756c7f2ea..94ea8fb8d2 100644
--- a/object.c
+++ b/object.c
@@ -545,11 +545,12 @@ void repo_clear_commit_marks(struct repository *r, unsigned int flags)
 	}
 }
 
-struct parsed_object_pool *parsed_object_pool_new(void)
+struct parsed_object_pool *parsed_object_pool_new(struct repository *repo)
 {
 	struct parsed_object_pool *o = xmalloc(sizeof(*o));
 	memset(o, 0, sizeof(*o));
 
+	o->repo = repo;
 	o->blob_state = allocate_alloc_state();
 	o->tree_state = allocate_alloc_state();
 	o->commit_state = allocate_alloc_state();
@@ -628,6 +629,16 @@ void raw_object_store_clear(struct raw_object_store *o)
 	hashmap_clear(&o->pack_map);
 }
 
+void parsed_object_pool_reset_commit_grafts(struct parsed_object_pool *o)
+{
+	for (int i = 0; i < o->grafts_nr; i++) {
+		unparse_commit(o->repo, &o->grafts[i]->oid);
+		free(o->grafts[i]);
+	}
+	o->grafts_nr = 0;
+	o->commit_graft_prepared = 0;
+}
+
 void parsed_object_pool_clear(struct parsed_object_pool *o)
 {
 	/*
@@ -659,6 +670,7 @@ void parsed_object_pool_clear(struct parsed_object_pool *o)
 	free_commit_buffer_slab(o->buffer_slab);
 	o->buffer_slab = NULL;
 
+	parsed_object_pool_reset_commit_grafts(o);
 	clear_alloc_state(o->blob_state);
 	clear_alloc_state(o->tree_state);
 	clear_alloc_state(o->commit_state);