cache: convert get_graft_file to handle arbitrary repositories

This conversion was done without the #define trick used in the earlier
series refactoring to have better repository access, because this function
is easy to review, as all lines are converted and it has only one caller.

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

3 files changed, 5 insertions, 5 deletions

diff --git a/cache.h b/cache.h
index ab716011b7..cb1aeb1dcb 100644
--- a/cache.h
+++ b/cache.h
@@ -476,7 +476,7 @@ extern const char *get_git_dir(void);
 extern const char *get_git_common_dir(void);
 extern char *get_object_directory(void);
 extern char *get_index_file(void);
-extern char *get_graft_file(void);
+extern char *get_graft_file(struct repository *r);
 extern int set_git_dir(const char *path);
 extern int get_common_dir_noenv(struct strbuf *sb, const char *gitdir);
 extern int get_common_dir(struct strbuf *sb, const char *gitdir);
diff --git a/commit.c b/commit.c
index 3fcb2fd66c..24028fd257 100644
--- a/commit.c
+++ b/commit.c
@@ -204,7 +204,7 @@ static void prepare_commit_graft_the_repository(void)
 
 	if (commit_graft_prepared)
 		return;
-	graft_file = get_graft_file();
+	graft_file = get_graft_file(the_repository);
 	read_graft_file(the_repository, graft_file);
 	/* make sure shallows are read */
 	is_repository_shallow(the_repository);
diff --git a/environment.c b/environment.c
index 87d9e52ffd..ab42346e56 100644
--- a/environment.c
+++ b/environment.c
@@ -316,11 +316,11 @@ char *get_index_file(void)
 	return the_repository->index_file;
 }
 
-char *get_graft_file(void)
+char *get_graft_file(struct repository *r)
 {
-	if (!the_repository->graft_file)
+	if (!r->graft_file)
 		BUG("git environment hasn't been setup");
-	return the_repository->graft_file;
+	return r->graft_file;
 }
 
 int set_git_dir(const char *path)