$ git clone -n https://src.fedoraproject.org/rpms/python-slackclient.git /var/lib/mock/f39-build-1779999-41546/root/chroot_tmpdir/scmroot/python-slackclient
Cloning into '/var/lib/mock/f39-build-1779999-41546/root/chroot_tmpdir/scmroot/python-slackclient'...
$ git fetch origin c026e5e49e40a758b85f6134e96fc1aebd1c943c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-slackclient
 * [new ref]         c026e5e49e40a758b85f6134e96fc1aebd1c943c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c026e5e 3.25.0