[PATCH 05/16] replace-object: eliminate replace objects prepared flag

[Stefan Beller <sbeller@xxxxxxxxxx>]

By making the oidmap a pointer, we eliminate the need for
the global boolean variable 'replace_object_prepared'.

Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 object-store.h   |  2 +-
 replace-object.c | 16 +++++++++-------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/object-store.h b/object-store.h
index c04b4c95eb..1ff862c7f9 100644
--- a/object-store.h
+++ b/object-store.h
@@ -99,7 +99,7 @@ struct raw_object_store {
 	 * Objects that should be substituted by other objects
 	 * (see git-replace(1)).
 	 */
-	struct oidmap replace_map;
+	struct oidmap *replace_map;
 
 	/*
 	 * private data
diff --git a/replace-object.c b/replace-object.c
index afbdf2df25..953fa9cc40 100644
--- a/replace-object.c
+++ b/replace-object.c
@@ -25,7 +25,7 @@ static int register_replace_ref(const char *refname,
 	oidcpy(&repl_obj->replacement, oid);
 
 	/* Register new object */
-	if (oidmap_put(&the_repository->objects->replace_map, repl_obj))
+	if (oidmap_put(the_repository->objects->replace_map, repl_obj))
 		die("duplicate replace ref: %s", refname);
 
 	return 0;
@@ -33,14 +33,16 @@ static int register_replace_ref(const char *refname,
 
 static void prepare_replace_object(void)
 {
-	static int replace_object_prepared;
-
-	if (replace_object_prepared)
+	if (the_repository->objects->replace_map)
 		return;
 
+	the_repository->objects->replace_map =
+		xmalloc(sizeof(*the_repository->objects->replace_map));
+	oidmap_init(the_repository->objects->replace_map, 0);
+
 	for_each_replace_ref(register_replace_ref, NULL);
-	replace_object_prepared = 1;
-	if (!the_repository->objects->replace_map.map.tablesize)
+
+	if (!the_repository->objects->replace_map->map.tablesize)
 		check_replace_refs = 0;
 }
 
@@ -64,7 +66,7 @@ const struct object_id *do_lookup_replace_object(const struct object_id *oid)
 	/* Try to recursively replace the object */
 	while (depth-- > 0) {
 		struct replace_object *repl_obj =
-			oidmap_get(&the_repository->objects->replace_map, cur);
+			oidmap_get(the_repository->objects->replace_map, cur);
 		if (!repl_obj)
 			return cur;
 		cur = &repl_obj->replacement;
-- 
2.17.0.484.g0c8726318c-goog