https://github.com/glandium/git-cinnabar/commit/567078fb6031

--- helper/GIT-VERSION.mk.orig	2019-07-01 04:57:48 UTC
+++ helper/GIT-VERSION.mk
@@ -1,2 +1,2 @@
-GIT_VERSION ?= v2.22.0
+GIT_VERSION ?= v2.23.0
 WINDOWS_GIT_VERSION ?= $(GIT_VERSION).windows.1
--- helper/cinnabar-fast-import.c.orig	2019-07-01 04:57:48 UTC
+++ helper/cinnabar-fast-import.c
@@ -247,7 +247,8 @@ static uintmax_t parse_mark_ref(const char *p, char **
 		if (path_end) {
 			unsigned short mode;
 			char *path = xstrndup(*endptr, path_end - *endptr);
-			if (!get_tree_entry(note, path, &git_oid, &mode))
+			if (!get_tree_entry(the_repository, note, path,
+			                    &git_oid, &mode))
 				note = &git_oid;
 			else
 				note = &empty_tree;
--- helper/cinnabar-helper.c.orig	2019-07-01 04:57:48 UTC
+++ helper/cinnabar-helper.c
@@ -1605,7 +1605,7 @@ static void upgrade_manifest_tree_v1(const struct obje
 	struct oid_map_entry k, *old2new;
 
 	oidcpy(&k.old_oid, tree_id);
-	hashmap_entry_init(&k.ent, sha1hash(k.old_oid.hash));
+	hashmap_entry_init(&k.ent, oidhash(&k.old_oid));
 	old2new = hashmap_get(cache, &k, NULL);
 	if (!old2new) {
 		struct strbuf tree_buf = STRBUF_INIT;
@@ -1748,7 +1748,7 @@ static void upgrade_manifest(struct commit *commit,
 		struct oid_map_entry k;
 		struct commit *p;
 		oidcpy(&k.old_oid, &commit->parents->item->object.oid);
-		hashmap_entry_init(&k.ent, sha1hash(k.old_oid.hash));
+		hashmap_entry_init(&k.ent, oidhash(&k.old_oid));
 		entry = hashmap_get(&track->commit_cache, &k, NULL);
 		if (!entry)
 			die("Something went wrong");
@@ -1784,7 +1784,7 @@ static void upgrade_manifest(struct commit *commit,
 		struct oid_map_entry k;
 		if (get_oid_hex(cursor, &k.old_oid))
 			die("Invalid sha1");
-		hashmap_entry_init(&k.ent, sha1hash(k.old_oid.hash));
+		hashmap_entry_init(&k.ent, oidhash(&k.old_oid));
 		entry = hashmap_get(&track->commit_cache, &k, NULL);
 		if (!entry)
 			die("Something went wrong");
@@ -1794,7 +1794,7 @@ static void upgrade_manifest(struct commit *commit,
 	}
 
 	entry = xmalloc(sizeof(*entry));
-	hashmap_entry_init(&entry->ent, sha1hash(commit->object.oid.hash));
+	hashmap_entry_init(&entry->ent, oidhash(&commit->object.oid));
 	oidcpy(&entry->old_oid, &commit->object.oid);
 	store_git_commit(&new_commit, &entry->new_oid);
 	hashmap_add(&track->commit_cache, entry);
@@ -1950,7 +1950,7 @@ static void recurse_create_git_tree(const struct objec
 {
 	struct oid_map_entry k, *cache_entry;
 
-	hashmap_entry_init(&k.ent, sha1hash(tree_id->hash));
+	hashmap_entry_init(&k.ent, oidhash(tree_id));
 	oidcpy(&k.old_oid, tree_id);
 	cache_entry = hashmap_get(cache, &k, NULL);
 	if (!cache_entry) {