$ git clone -n https://src.fedoraproject.org/rpms/python-fisx.git /var/lib/mock/f39-build-1820782-41839/root/chroot_tmpdir/scmroot/python-fisx
Cloning into '/var/lib/mock/f39-build-1820782-41839/root/chroot_tmpdir/scmroot/python-fisx'...
$ git fetch origin 2b6e20be7997cedd34ac18fbf5ba575d413e2cc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fisx
 * [new ref]         2b6e20be7997cedd34ac18fbf5ba575d413e2cc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b6e20b Convert license tag to SPDX