$ git clone -n https://src.fedoraproject.org/rpms/python-libarchive-c.git /var/lib/mock/f45-build-31369-652/root/chroot_tmpdir/scmroot/python-libarchive-c
Cloning into '/var/lib/mock/f45-build-31369-652/root/chroot_tmpdir/scmroot/python-libarchive-c'...
$ git fetch origin d9479f9414989bd9254f2c0333557acfee6cd166:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-libarchive-c
 * [new ref]         d9479f9414989bd9254f2c0333557acfee6cd166 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9479f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild