)
'
+test_expect_success 'test bidirectionality' '
+ >marks-cur &&
+ >marks-new &&
+ git init marks-test &&
+ git fast-export --export-marks=marks-cur --import-marks=marks-cur --branches | \
+ git --git-dir=marks-test/.git fast-import --export-marks=marks-new --import-marks=marks-new &&
+ (cd marks-test &&
+ git reset --hard &&
+ echo Wohlauf > file &&
+ git commit -a -m "back in time") &&
+ git --git-dir=marks-test/.git fast-export --export-marks=marks-new --import-marks=marks-new --branches | \
+ git fast-import --export-marks=marks-cur --import-marks=marks-cur
+'
+
test_done