$ git clone -n https://src.fedoraproject.org/rpms/opensmtpd.git /var/lib/mock/f40-build-2617916-64470/root/chroot_tmpdir/scmroot/opensmtpd
Cloning into '/var/lib/mock/f40-build-2617916-64470/root/chroot_tmpdir/scmroot/opensmtpd'...
$ git fetch origin ab4ec627d8fc1cea76113297139d9c3ee79b3b86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opensmtpd
 * [new ref]         ab4ec627d8fc1cea76113297139d9c3ee79b3b86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab4ec62 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild