$ git clone -n https://src.fedoraproject.org/rpms/wimlib.git /var/lib/mock/f45-build-38418-724/root/chroot_tmpdir/scmroot/wimlib
Cloning into '/var/lib/mock/f45-build-38418-724/root/chroot_tmpdir/scmroot/wimlib'...
$ git fetch origin 00f7f10322686baf06867bccd629aeb229a871df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wimlib
 * [new ref]         00f7f10322686baf06867bccd629aeb229a871df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00f7f10 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild