From 19143f139d5a1a821d9d066da5d1c136a53ed803 Mon Sep 17 00:00:00 2001
From: Stefan Beller <sbeller@google.com>
Date: Thu, 17 May 2018 15:51:44 -0700
Subject: shallow: add repository argument to register_shallow

Add a repository argument to allow callers of register_shallow
to be more specific about which repository to handle. This is a small
mechanical change; it doesn't change the implementation to handle
repositories other than the_repository yet.

As with the previous commits, use a macro to catch callers passing a
repository other than the_repository at compile time.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index d65eb4a..97a5963 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -2875,7 +2875,7 @@ static void get_object_list(int ac, const char **av)
 				struct object_id oid;
 				if (get_oid_hex(line + 10, &oid))
 					die("not an SHA-1 '%s'", line + 10);
-				register_shallow(&oid);
+				register_shallow(the_repository, &oid);
 				use_bitmap_index = 0;
 				continue;
 			}
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 36906fd..c666820 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -906,7 +906,7 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
 	 * not lose these new roots..
 	 */
 	for (i = 0; i < extra.nr; i++)
-		register_shallow(&extra.oid[i]);
+		register_shallow(the_repository, &extra.oid[i]);
 
 	si->shallow_ref[cmd->index] = 0;
 	oid_array_clear(&extra);
diff --git a/commit.h b/commit.h
index f88c854..59346de 100644
--- a/commit.h
+++ b/commit.h
@@ -191,7 +191,8 @@ extern struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n,
 
 struct oid_array;
 struct ref;
-extern int register_shallow(const struct object_id *oid);
+#define register_shallow(r, o) register_shallow_##r(o);
+extern int register_shallow_the_repository(const struct object_id *oid);
 extern int unregister_shallow(const struct object_id *oid);
 extern int for_each_commit_graft(each_commit_graft_fn, void *);
 extern int is_repository_shallow(void);
diff --git a/fetch-pack.c b/fetch-pack.c
index a1535b3..e3e99e4 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -428,7 +428,7 @@ static int find_common(struct fetch_pack_args *args,
 			if (skip_prefix(line, "shallow ", &arg)) {
 				if (get_oid_hex(arg, &oid))
 					die(_("invalid shallow line: %s"), line);
-				register_shallow(&oid);
+				register_shallow(the_repository, &oid);
 				continue;
 			}
 			if (skip_prefix(line, "unshallow ", &arg)) {
diff --git a/shallow.c b/shallow.c
index 73cb11a..0fadd53 100644
--- a/shallow.c
+++ b/shallow.c
@@ -29,7 +29,7 @@ void set_alternate_shallow_file_the_repository(const char *path, int override)
 	alternate_shallow_file = xstrdup_or_null(path);
 }
 
-int register_shallow(const struct object_id *oid)
+int register_shallow_the_repository(const struct object_id *oid)
 {
 	struct commit_graft *graft =
 		xmalloc(sizeof(struct commit_graft));
@@ -70,7 +70,7 @@ int is_repository_shallow(void)
 		struct object_id oid;
 		if (get_oid_hex(buf, &oid))
 			die("bad shallow line: %s", buf);
-		register_shallow(&oid);
+		register_shallow(the_repository, &oid);
 	}
 	fclose(fp);
 	return is_shallow;
diff --git a/upload-pack.c b/upload-pack.c
index a11c6d1..4e4ac0f 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -663,7 +663,7 @@ static void send_shallow(struct commit_list *result)
 		if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) {
 			packet_write_fmt(1, "shallow %s",
 					 oid_to_hex(&object->oid));
-			register_shallow(&object->oid);
+			register_shallow(the_repository, &object->oid);
 			shallow_nr++;
 		}
 		result = result->next;
@@ -700,7 +700,7 @@ static void send_unshallow(const struct object_array *shallows)
 			add_object_array(object, NULL, &extra_edge_obj);
 		}
 		/* make sure commit traversal conforms to client */
-		register_shallow(&object->oid);
+		register_shallow(the_repository, &object->oid);
 	}
 }
 
@@ -912,7 +912,8 @@ static void receive_needs(void)
 		if (shallows.nr > 0) {
 			int i;
 			for (i = 0; i < shallows.nr; i++)
-				register_shallow(&shallows.objects[i].item->oid);
+				register_shallow(the_repository,
+						 &shallows.objects[i].item->oid);
 		}
 
 	shallow_nr += shallows.nr;
-- 
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