$ git clone -n https://src.fedoraproject.org/rpms/python-colcon-meson.git /var/lib/mock/f45-build-30000-642/root/chroot_tmpdir/scmroot/python-colcon-meson
Cloning into '/var/lib/mock/f45-build-30000-642/root/chroot_tmpdir/scmroot/python-colcon-meson'...
$ git fetch origin cb9d27d3c8b9d03363f684ad29d93cfceced8ec4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colcon-meson
 * [new ref]         cb9d27d3c8b9d03363f684ad29d93cfceced8ec4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb9d27d Update to 0.6.1