Merge branch 'jk/prune-packed-server-info'

Fix recent breakage in Git 2.2 that started creating info/refs and
objects/info/packs files with permission bits tighter than user's
umask.

* jk/prune-packed-server-info:
  update-server-info: create info/* with mode 0666
  t1301: set umask in reflog sharedrepository=group test

server-info.c

@@ -17,7 +17,7 @@ static int update_info_file(char *path, int (*generate)(FILE *))
 	FILE *fp = NULL;
 
 	safe_create_leading_directories(path);
-	fd = mkstemp(tmp);
+	fd = git_mkstemp_mode(tmp, 0666);
 	if (fd < 0)
 		goto out;
 	fp = fdopen(fd, "w");

t/t1301-shared-repo.sh

@@ -111,7 +111,18 @@ do
 
 done
 
+test_expect_success POSIXPERM 'info/refs respects umask in unshared repo' '
+	rm -f .git/info/refs &&
+	test_unconfig core.sharedrepository &&
+	umask 002 &&
+	git update-server-info &&
+	echo "-rw-rw-r--" >expect &&
+	modebits .git/info/refs >actual &&
+	test_cmp expect actual
+'
+
 test_expect_success POSIXPERM 'git reflog expire honors core.sharedRepository' '
+	umask 077 &&
 	git config core.sharedRepository group &&
 	git reflog expire --all &&
 	actual="$(ls -l .git/logs/refs/heads/master)" &&