$ git clone -n https://src.fedoraproject.org/rpms/xenlism-wildfire.git /var/lib/mock/f45-build-38727-727/root/chroot_tmpdir/scmroot/xenlism-wildfire
Cloning into '/var/lib/mock/f45-build-38727-727/root/chroot_tmpdir/scmroot/xenlism-wildfire'...
$ git fetch origin 14826b5cc38d6ff29b774b4512390acdb12c24fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xenlism-wildfire
 * [new ref]         14826b5cc38d6ff29b774b4512390acdb12c24fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14826b5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild