$ git clone -n https://src.fedoraproject.org/rpms/kf5-ksmtp.git /var/lib/mock/f40-build-2210442-52181/root/chroot_tmpdir/scmroot/kf5-ksmtp
Cloning into '/var/lib/mock/f40-build-2210442-52181/root/chroot_tmpdir/scmroot/kf5-ksmtp'...
$ git fetch origin 1f19bbd2f20ec7dfa9c3ca629de389cd077ccb65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-ksmtp
 * [new ref]         1f19bbd2f20ec7dfa9c3ca629de389cd077ccb65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f19bbd Updated spec with SPDX Licenses