$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jhillyerd-enmime.git /var/lib/mock/f40-build-2252281-54181/root/chroot_tmpdir/scmroot/golang-github-jhillyerd-enmime
Cloning into '/var/lib/mock/f40-build-2252281-54181/root/chroot_tmpdir/scmroot/golang-github-jhillyerd-enmime'...
$ git fetch origin e4c4cfbe03a12bc69e749b208dd3ff53610ee402:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jhillyerd-enmime
 * [new ref]         e4c4cfbe03a12bc69e749b208dd3ff53610ee402 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4c4cfb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild