[PATCH v3 2/5] init: call set_git_dir_init() from within init_db()

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The next commit requires that set_git_dir_init() must be called before
init_db(). Let's make sure nobody can do otherwise.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/clone.c   | 15 +++++++--------
 builtin/init-db.c | 18 +++++++++++-------
 cache.h           |  5 +++--
 3 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/builtin/clone.c b/builtin/clone.c
index 6616392..29b1832 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -928,23 +928,22 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 		set_git_work_tree(work_tree);
 	}
 
-	junk_git_dir = git_dir;
+	junk_git_dir = real_git_dir ? real_git_dir : git_dir;
 	if (safe_create_leading_directories_const(git_dir) < 0)
 		die(_("could not create leading directories of '%s'"), git_dir);
 
-	set_git_dir_init(git_dir, real_git_dir, 0);
-	if (real_git_dir) {
-		git_dir = real_git_dir;
-		junk_git_dir = real_git_dir;
-	}
-
 	if (0 <= option_verbosity) {
 		if (option_bare)
 			fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir);
 		else
 			fprintf(stderr, _("Cloning into '%s'...\n"), dir);
 	}
-	init_db(option_template, INIT_DB_QUIET);
+
+	init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET);
+
+	if (real_git_dir)
+		git_dir = real_git_dir;
+
 	write_config(&option_config);
 
 	git_config(git_default_config, NULL);
diff --git a/builtin/init-db.c b/builtin/init-db.c
index d5d7558..5cb05d9 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -311,8 +311,9 @@ static void create_object_directory(void)
 	strbuf_release(&path);
 }
 
-int set_git_dir_init(const char *git_dir, const char *real_git_dir,
-		     int exist_ok)
+static int set_git_dir_init(const char *git_dir,
+			    const char *real_git_dir,
+			    int exist_ok)
 {
 	if (real_git_dir) {
 		struct stat st;
@@ -359,10 +360,14 @@ static void separate_git_dir(const char *git_dir)
 	write_file(git_link, "gitdir: %s", git_dir);
 }
 
-int init_db(const char *template_dir, unsigned int flags)
+int init_db(const char *git_dir, const char *real_git_dir,
+	    const char *template_dir, unsigned int flags)
 {
 	int reinit;
-	const char *git_dir = get_git_dir();
+
+	set_git_dir_init(git_dir, real_git_dir, flags & INIT_DB_EXIST_OK);
+
+	git_dir = get_git_dir();
 
 	if (git_link)
 		separate_git_dir(git_dir);
@@ -582,7 +587,6 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 			set_git_work_tree(work_tree);
 	}
 
-	set_git_dir_init(git_dir, real_git_dir, 1);
-
-	return init_db(template_dir, flags);
+	flags |= INIT_DB_EXIST_OK;
+	return init_db(git_dir, real_git_dir, template_dir, flags);
 }
diff --git a/cache.h b/cache.h
index b2d77f3..7fc875f 100644
--- a/cache.h
+++ b/cache.h
@@ -525,9 +525,10 @@ extern void verify_non_filename(const char *prefix, const char *name);
 extern int path_inside_repo(const char *prefix, const char *path);
 
 #define INIT_DB_QUIET 0x0001
+#define INIT_DB_EXIST_OK 0x0002
 
-extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int);
-extern int init_db(const char *template_dir, unsigned int flags);
+extern int init_db(const char *git_dir, const char *real_git_dir,
+		   const char *template_dir, unsigned int flags);
 
 extern void sanitize_stdfds(void);
 extern int daemonize(void);
-- 
2.8.2.524.g6ff3d78




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