$ git clone -n https://src.fedoraproject.org/rpms/python-colcon-rerun.git /var/lib/mock/f40-build-2706576-71169/root/chroot_tmpdir/scmroot/python-colcon-rerun
Cloning into '/var/lib/mock/f40-build-2706576-71169/root/chroot_tmpdir/scmroot/python-colcon-rerun'...
$ git fetch origin 0a3cf26783e68f9a8c72e7517c9b00cc519a254d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colcon-rerun
 * [new ref]         0a3cf26783e68f9a8c72e7517c9b00cc519a254d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a3cf26 Update to 0.1.1