1 files changed, 102 insertions, 0 deletions
diff --git a/third_party/git/t/t1309-early-config.sh b/third_party/git/t/t1309-early-config.sh
new file mode 100755
index 000000000000..ebb8e1aecbf4
--- /dev/null
+++ b/third_party/git/t/t1309-early-config.sh
@@ -0,0 +1,102 @@
+#!/bin/sh
+
+test_description='Test read_early_config()'
+
+. ./test-lib.sh
+
+test_expect_success 'read early config' '
+	test_config early.config correct &&
+	test-tool config read_early_config early.config >output &&
+	test correct = "$(cat output)"
+'
+
+test_expect_success 'in a sub-directory' '
+	test_config early.config sub &&
+	mkdir -p sub &&
+	(
+		cd sub &&
+		test-tool config read_early_config early.config
+	) >output &&
+	test sub = "$(cat output)"
+'
+
+test_expect_success 'ceiling' '
+	test_config early.config ceiling &&
+	mkdir -p sub &&
+	(
+		GIT_CEILING_DIRECTORIES="$PWD" &&
+		export GIT_CEILING_DIRECTORIES &&
+		cd sub &&
+		test-tool config read_early_config early.config
+	) >output &&
+	test_must_be_empty output
+'
+
+test_expect_success 'ceiling #2' '
+	mkdir -p xdg/git &&
+	git config -f xdg/git/config early.config xdg &&
+	test_config early.config ceiling &&
+	mkdir -p sub &&
+	(
+		XDG_CONFIG_HOME="$PWD"/xdg &&
+		GIT_CEILING_DIRECTORIES="$PWD" &&
+		export GIT_CEILING_DIRECTORIES XDG_CONFIG_HOME &&
+		cd sub &&
+		test-tool config read_early_config early.config
+	) >output &&
+	test xdg = "$(cat output)"
+'
+
+cmdline_config="'test.source=cmdline'"
+test_expect_success 'read config file in right order' '
+	echo "[test]source = home" >>.gitconfig &&
+	git init foo &&
+	(
+		cd foo &&
+		echo "[test]source = repo" >>.git/config &&
+		GIT_CONFIG_PARAMETERS=$cmdline_config test-tool config \
+			read_early_config test.source >actual &&
+		cat >expected <<-\EOF &&
+		home
+		repo
+		cmdline
+		EOF
+		test_cmp expected actual
+	)
+'
+
+test_with_config () {
+	rm -rf throwaway &&
+	git init throwaway &&
+	(
+		cd throwaway &&
+		echo "$*" >.git/config &&
+		test-tool config read_early_config early.config
+	)
+}
+
+test_expect_success 'ignore .git/ with incompatible repository version' '
+	test_with_config "[core]repositoryformatversion = 999999" 2>err &&
+	test_i18ngrep "warning:.* Expected git repo version <= [1-9]" err
+'
+
+test_expect_failure 'ignore .git/ with invalid repository version' '
+	test_with_config "[core]repositoryformatversion = invalid"
+'
+
+
+test_expect_failure 'ignore .git/ with invalid config' '
+	test_with_config "["
+'
+
+test_expect_success 'early config and onbranch' '
+	echo "[broken" >broken &&
+	test_with_config "[includeif \"onbranch:master\"]path=../broken"
+'
+
+test_expect_success 'onbranch config outside of git repo' '
+	test_config_global includeIf.onbranch:master.path non-existent &&
+	nongit git help
+'
+
+test_done