$ git clone -n https://src.fedoraproject.org/rpms/python-frozendict.git /var/lib/mock/f40-build-2222513-52706/root/chroot_tmpdir/scmroot/python-frozendict
Cloning into '/var/lib/mock/f40-build-2222513-52706/root/chroot_tmpdir/scmroot/python-frozendict'...
$ git fetch origin e0de541babf1379d5a6df53e52e4939dfb82d900:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-frozendict
 * [new ref]         e0de541babf1379d5a6df53e52e4939dfb82d900 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0de541 Update to 2.3.10