$ git clone -n https://src.fedoraproject.org/rpms/lprint.git /var/lib/mock/f41-build-side-1-2828524-33537/root/chroot_tmpdir/scmroot/lprint
Cloning into '/var/lib/mock/f41-build-side-1-2828524-33537/root/chroot_tmpdir/scmroot/lprint'...
$ git fetch origin 2e4b1b1dce746c2364f8ec71c054fe262477eae3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lprint
 * [new ref]         2e4b1b1dce746c2364f8ec71c054fe262477eae3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e4b1b1 rebuild with new pappl