$ git clone -n https://src.fedoraproject.org/rpms/python-varlink.git /var/lib/mock/f45-build-33572-670/root/chroot_tmpdir/scmroot/python-varlink
Cloning into '/var/lib/mock/f45-build-33572-670/root/chroot_tmpdir/scmroot/python-varlink'...
$ git fetch origin 0582285d49c4682fe8519a6e89eede33b26854e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-varlink
 * [new ref]         0582285d49c4682fe8519a6e89eede33b26854e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0582285 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild