[PATCH v5 23/26] initdb: move safe_create_dir into common code

[David Turner <dturner@twopensource.com>]

In a moment, we'll create initdb functions for ref backends, and code
from initdb that calls this function needs to move into the files
backend.  So this function needs to be public.

Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 builtin/init-db.c | 12 ------------
 cache.h           |  7 +++++++
 path.c            | 12 ++++++++++++
 3 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/builtin/init-db.c b/builtin/init-db.c
index f59f407..07229d6 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -24,18 +24,6 @@ static int init_shared_repository = -1;
 static const char *init_db_template_dir;
 static const char *git_link;
 
-static void safe_create_dir(const char *dir, int share)
-{
-	if (mkdir(dir, 0777) < 0) {
-		if (errno != EEXIST) {
-			perror(dir);
-			exit(1);
-		}
-	}
-	else if (share && adjust_shared_perm(dir))
-		die(_("Could not make %s writable by group"), dir);
-}
-
 static void copy_templates_1(struct strbuf *path, struct strbuf *template,
 			     DIR *dir)
 {
diff --git a/cache.h b/cache.h
index 9a905a8..28b9896 100644
--- a/cache.h
+++ b/cache.h
@@ -1737,4 +1737,11 @@ void stat_validity_update(struct stat_validity *sv, int fd);
 int versioncmp(const char *s1, const char *s2);
 void sleep_millisec(int millisec);
 
+/*
+ * Create a directory and (if share is nonzero) adjust its permissions
+ * according to the shared_repository setting. Only use this for
+ * directories under $GIT_DIR.  Don't use it for working tree
+ * directories.
+ */
+void safe_create_dir(const char *dir, int share);
 #endif /* CACHE_H */
diff --git a/path.c b/path.c
index 212695a..9e0283c 100644
--- a/path.c
+++ b/path.c
@@ -723,6 +723,18 @@ int adjust_shared_perm(const char *path)
 	return 0;
 }
 
+void safe_create_dir(const char *dir, int share)
+{
+	if (mkdir(dir, 0777) < 0) {
+		if (errno != EEXIST) {
+			perror(dir);
+			exit(1);
+		}
+	}
+	else if (share && adjust_shared_perm(dir))
+		die(_("Could not make %s writable by group"), dir);
+}
+
 static int have_same_root(const char *path1, const char *path2)
 {
 	int is_abs1, is_abs2;
-- 
2.4.2.658.g6d8523e-twtrsrc