$ git clone -n https://src.fedoraproject.org/rpms/python-pyproject-api.git /var/lib/mock/f40-build-2188567-51404/root/chroot_tmpdir/scmroot/python-pyproject-api
Cloning into '/var/lib/mock/f40-build-2188567-51404/root/chroot_tmpdir/scmroot/python-pyproject-api'...
$ git fetch origin 07cd17e8dc87cbcbadfb89fa69c1b55ad690ca9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyproject-api
 * [new ref]         07cd17e8dc87cbcbadfb89fa69c1b55ad690ca9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07cd17e Update to 1.6.1