$GIT_COMMON_DIR: a new environment variable

diff --git a/t/t3210-pack-refs.sh b/t/t3210-pack-refs.sh
index 3a017bf437395526cf54403d4ea1db36a3cff0b3..aa9eb3a3e5ef0637615c6d958a29dbd9bbbf0895 100755 (executable)
--- a/t/t3210-pack-refs.sh
+++ b/t/t3210-pack-refs.sh
@@ -11,7 +11,9 @@ semantic is still the same.
 '
 . ./test-lib.sh
 
-echo '[core] logallrefupdates = true' >>.git/config
+test_expect_success 'enable reflogs' '
+       git config core.logallrefupdates true
+'
 
 test_expect_success \
     'prepare a trivial repository' \
@@ -158,4 +160,31 @@ test_expect_success 'pack ref directly below refs/' '
        test_path_is_missing .git/refs/top
 '
 
+test_expect_success 'disable reflogs' '
+       git config core.logallrefupdates false &&
+       rm -rf .git/logs
+'
+
+test_expect_success 'create packed foo/bar/baz branch' '
+       git branch foo/bar/baz &&
+       git pack-refs --all --prune &&
+       test_path_is_missing .git/refs/heads/foo/bar/baz &&
+       test_path_is_missing .git/logs/refs/heads/foo/bar/baz
+'
+
+test_expect_success 'notice d/f conflict with existing directory' '
+       test_must_fail git branch foo &&
+       test_must_fail git branch foo/bar
+'
+
+test_expect_success 'existing directory reports concrete ref' '
+       test_must_fail git branch foo 2>stderr &&
+       grep refs/heads/foo/bar/baz stderr
+'
+
+test_expect_success 'notice d/f conflict with existing ref' '
+       test_must_fail git branch foo/bar/baz/extra &&
+       test_must_fail git branch foo/bar/baz/lots/of/extra/components
+'
+
 test_done