$ git clone -n https://src.fedoraproject.org/rpms/xfig.git /var/lib/mock/f45-build-38881-730/root/chroot_tmpdir/scmroot/xfig
Cloning into '/var/lib/mock/f45-build-38881-730/root/chroot_tmpdir/scmroot/xfig'...
$ git fetch origin 45f80125657f0726c3de37c1a428d4890190d7c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfig
 * [new ref]         45f80125657f0726c3de37c1a428d4890190d7c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45f8012 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild