$ git clone -n https://src.fedoraproject.org/rpms/cups-pk-helper.git /var/lib/mock/f37-build-658047-73360/root/chroot_tmpdir/scmroot/cups-pk-helper
Cloning into '/var/lib/mock/f37-build-658047-73360/root/chroot_tmpdir/scmroot/cups-pk-helper'...
$ git reset --hard 054d81fe6769c41d1cffd378307cde6dbdc79259
HEAD is now at 054d81f Update to 0.2.7