$ git clone -n https://src.fedoraproject.org/rpms/python-colcon-devtools.git /var/lib/mock/f40-build-2313541-57700/root/chroot_tmpdir/scmroot/python-colcon-devtools
Cloning into '/var/lib/mock/f40-build-2313541-57700/root/chroot_tmpdir/scmroot/python-colcon-devtools'...
$ git fetch origin 524343e8b50a6b47ca9ac4093cbbca4c4ca53a03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colcon-devtools
 * [new ref]         524343e8b50a6b47ca9ac4093cbbca4c4ca53a03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 524343e Update to 0.2.5