[PATCH v2 13/19] config: do not read .git/config if there is no repository

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/config.c        |    9 ++++++---
 t/t1300-repo-config.sh  |    3 ++-
 t/t1302-repo-version.sh |    2 +-
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/builtin/config.c b/builtin/config.c
index ecc8f87..3fca3b4 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -159,7 +159,8 @@ static int get_value(const char *key_, const char *regex_)
 	local = config_exclusive_filename;
 	if (!local) {
 		const char *home = getenv("HOME");
-		local = repo_config = git_pathdup("config");
+		if (startup_info->have_repository)
+			local = repo_config = git_pathdup("config");
 		if (git_config_global() && home)
 			global = xstrdup(mkpath("%s/.gitconfig", home));
 		if (git_config_system())
@@ -197,7 +198,8 @@ static int get_value(const char *key_, const char *regex_)
 		git_config_from_file(show_config, system_wide, NULL);
 	if (do_all && global)
 		git_config_from_file(show_config, global, NULL);
-	git_config_from_file(show_config, local, NULL);
+	if (local)
+		git_config_from_file(show_config, local, NULL);
 	if (!do_all && !seen && global)
 		git_config_from_file(show_config, global, NULL);
 	if (!do_all && !seen && system_wide)
@@ -215,7 +217,8 @@ static int get_value(const char *key_, const char *regex_)
 		ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 
 free_strings:
-	free(repo_config);
+	if (repo_config)
+		free(repo_config);
 	free(global);
 	return ret;
 }
diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh
index cfb70e2..b040f72 100755
--- a/t/t1300-repo-config.sh
+++ b/t/t1300-repo-config.sh
@@ -833,7 +833,8 @@ test_expect_success 'skip .git/config if there is no repository' '
 		cd b &&
 		echo "[core]" > .git/config &&
 		echo "wrong = true" >> .git/config &&
-		test -z "$(git var -l | grep core.wrong)"
+		test -z "$(git var -l | grep core.wrong)" &&
+		test -z "$(git config --bool core.wrong)"
 	)
 '
 
diff --git a/t/t1302-repo-version.sh b/t/t1302-repo-version.sh
index 8d305b4..74bf51f 100755
--- a/t/t1302-repo-version.sh
+++ b/t/t1302-repo-version.sh
@@ -29,7 +29,7 @@ test_expect_success 'gitdir selection on normal repos' '
 # Make sure it would stop at test2, not trash
 test_expect_success 'gitdir selection on unsupported repo' '
 	(cd test2 &&
-	test "$(git config core.repositoryformatversion)" = 99)'
+	test "$(git config --file=.git/config core.repositoryformatversion)" = 99)'
 
 test_expect_success 'gitdir not required mode' '
 	(git apply --stat test.patch &&
-- 
1.7.0.2.425.gb99f1