'
. ./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' \
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