$ git clone -n https://src.fedoraproject.org/rpms/kollision.git /var/lib/mock/f42-build-863625-171716/root/chroot_tmpdir/scmroot/kollision
Cloning into '/var/lib/mock/f42-build-863625-171716/root/chroot_tmpdir/scmroot/kollision'...
$ git fetch origin 3eccd169ed9df7d5dcb0d91270ef496a86b38ae8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kollision
 * [new ref]         3eccd169ed9df7d5dcb0d91270ef496a86b38ae8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3eccd16 24.12.0