$ git clone -n https://src.fedoraproject.org/rpms/clamsmtp.git /var/lib/mock/f40-build-752681-116818/root/chroot_tmpdir/scmroot/clamsmtp
Cloning into '/var/lib/mock/f40-build-752681-116818/root/chroot_tmpdir/scmroot/clamsmtp'...
$ git fetch origin fd3d2de5828ec1aea4246954a8df93c9d92f8408:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clamsmtp
 * [new ref]         fd3d2de5828ec1aea4246954a8df93c9d92f8408 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd3d2de Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild