$ git clone -n https://src.fedoraproject.org/rpms/kalm.git /var/lib/mock/f42-build-side-1-3582728-46886/root/chroot_tmpdir/scmroot/kalm
Cloning into '/var/lib/mock/f42-build-side-1-3582728-46886/root/chroot_tmpdir/scmroot/kalm'...
$ git fetch origin 1a936a58bc2bce36b1b82cf8a3e4f6109055c6d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalm
 * [new ref]         1a936a58bc2bce36b1b82cf8a3e4f6109055c6d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a936a5 25.04.3