$ git clone -n https://src.fedoraproject.org/rpms/python-pingouin.git /var/lib/mock/f39-build-2558627-62096/root/chroot_tmpdir/scmroot/python-pingouin
Cloning into '/var/lib/mock/f39-build-2558627-62096/root/chroot_tmpdir/scmroot/python-pingouin'...
$ git fetch origin 5ce9b37612aacdf22b00c70ca179f879a6f31685:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pingouin
 * [new ref]         5ce9b37612aacdf22b00c70ca179f879a6f31685 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ce9b37 Update to 0.5.4 (close RHBZ#2258253)