$ git clone -n https://src.fedoraproject.org/rpms/kmouth.git /var/lib/mock/f42-build-863973-172034/root/chroot_tmpdir/scmroot/kmouth
Cloning into '/var/lib/mock/f42-build-863973-172034/root/chroot_tmpdir/scmroot/kmouth'...
$ git fetch origin 18d42f909e61502047745fb08073b080736e1743:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmouth
 * [new ref]         18d42f909e61502047745fb08073b080736e1743 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18d42f9 24.12.0