$ git clone -n https://src.fedoraproject.org/rpms/coeurl.git /var/lib/mock/f45-build-5190-338/root/chroot_tmpdir/scmroot/coeurl
Cloning into '/var/lib/mock/f45-build-5190-338/root/chroot_tmpdir/scmroot/coeurl'...
$ git fetch origin 546dabd7655bdd707778490a26669b91334517ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coeurl
 * [new ref]         546dabd7655bdd707778490a26669b91334517ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 546dabd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild