$ git clone -n https://src.fedoraproject.org/rpms/python-tosca-parser.git /var/lib/mock/f40-build-2114258-50675/root/chroot_tmpdir/scmroot/python-tosca-parser
Cloning into '/var/lib/mock/f40-build-2114258-50675/root/chroot_tmpdir/scmroot/python-tosca-parser'...
$ git fetch origin 42395591f81ea4ed2a084fb0798620fe6b00ad98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-tosca-parser
 * [new ref]         42395591f81ea4ed2a084fb0798620fe6b00ad98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4239559 Update to 2.9.1 (#2144142)