$ git clone -n https://src.fedoraproject.org/rpms/python-slackclient.git /var/lib/mock/f39-build-1978296-43336/root/chroot_tmpdir/scmroot/python-slackclient
Cloning into '/var/lib/mock/f39-build-1978296-43336/root/chroot_tmpdir/scmroot/python-slackclient'...
$ git fetch origin 62f51a240d1b0d78001f381f80964591e0e33486:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-slackclient
 * [new ref]         62f51a240d1b0d78001f381f80964591e0e33486 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62f51a2 3.26.1