$ git clone -n https://src.fedoraproject.org/rpms/qarma.git /var/lib/mock/f45-build-33870-674/root/chroot_tmpdir/scmroot/qarma
Cloning into '/var/lib/mock/f45-build-33870-674/root/chroot_tmpdir/scmroot/qarma'...
$ git fetch origin 407f83b765d03dd81628b5b24fd53e88312c69c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qarma
 * [new ref]         407f83b765d03dd81628b5b24fd53e88312c69c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 407f83b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild