$ git clone -n https://src.fedoraproject.org/rpms/plasma-welcome.git /var/lib/mock/f39-build-2083372-49919/root/chroot_tmpdir/scmroot/plasma-welcome
Cloning into '/var/lib/mock/f39-build-2083372-49919/root/chroot_tmpdir/scmroot/plasma-welcome'...
$ git fetch origin 8af04274bc0de10cbf7b3e8c6fd084ac0de5e225:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-welcome
 * [new ref]         8af04274bc0de10cbf7b3e8c6fd084ac0de5e225 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8af0427 5.27.10