$ git clone -n https://src.fedoraproject.org/rpms/cronie.git /var/lib/mock/f39-build-1591872-38302/root/chroot_tmpdir/scmroot/cronie
Cloning into '/var/lib/mock/f39-build-1591872-38302/root/chroot_tmpdir/scmroot/cronie'...
$ git fetch origin 68c70a48c4422981f4a936e7c352d82dde92f3ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cronie
 * [new ref]         68c70a48c4422981f4a936e7c352d82dde92f3ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68c70a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild