$ git clone -n https://src.fedoraproject.org/rpms/fedfind.git /var/lib/mock/f45-build-8794-396/root/chroot_tmpdir/scmroot/fedfind
Cloning into '/var/lib/mock/f45-build-8794-396/root/chroot_tmpdir/scmroot/fedfind'...
$ git fetch origin c7b4ec87df93884d1a145676f7de17ce3a36772d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedfind
 * [new ref]         c7b4ec87df93884d1a145676f7de17ce3a36772d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7b4ec8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild