$ git clone -n https://src.fedoraproject.org/rpms/lollypop.git /var/lib/mock/f41-build-1022243-18059/root/chroot_tmpdir/scmroot/lollypop
Cloning into '/var/lib/mock/f41-build-1022243-18059/root/chroot_tmpdir/scmroot/lollypop'...
$ git fetch origin a47cf7d96c685a7e938d4db192a71997a64c067a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lollypop
 * [new ref]         a47cf7d96c685a7e938d4db192a71997a64c067a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a47cf7d Update to 1.4.40