config: learn the "onbranch:" includeIf condition

diff --git a/t/t1305-config-include.sh b/t/t1305-config-include.sh
index 579a86b7f8f6f876434bc1107e051304bc45afc6..9571e366f801ea347845eef9736c92197fbdba08 100755 (executable)
--- a/t/t1305-config-include.sh
+++ b/t/t1305-config-include.sh
@@ -309,6 +309,45 @@ test_expect_success SYMLINKS 'conditional include, gitdir matching symlink, icas
        )
 '
 
+test_expect_success 'conditional include, onbranch' '
+       echo "[includeIf \"onbranch:foo-branch\"]path=bar9" >>.git/config &&
+       echo "[test]nine=9" >.git/bar9 &&
+       git checkout -b master &&
+       test_must_fail git config test.nine &&
+       git checkout -b foo-branch &&
+       echo 9 >expect &&
+       git config test.nine >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'conditional include, onbranch, wildcard' '
+       echo "[includeIf \"onbranch:?oo-*/**\"]path=bar10" >>.git/config &&
+       echo "[test]ten=10" >.git/bar10 &&
+       git checkout -b not-foo-branch/a &&
+       test_must_fail git config test.ten &&
+
+       echo 10 >expect &&
+       git checkout -b foo-branch/a/b/c &&
+       git config test.ten >actual &&
+       test_cmp expect actual &&
+
+       git checkout -b moo-bar/a &&
+       git config test.ten >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'conditional include, onbranch, implicit /** for /' '
+       echo "[includeIf \"onbranch:foo-dir/\"]path=bar11" >>.git/config &&
+       echo "[test]eleven=11" >.git/bar11 &&
+       git checkout -b not-foo-dir/a &&
+       test_must_fail git config test.eleven &&
+
+       echo 11 >expect &&
+       git checkout -b foo-dir/a/b/c &&
+       git config test.eleven >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'include cycles are detected' '
        cat >.gitconfig <<-\EOF &&
        [test]value = gitconfig