$ git clone -n https://src.fedoraproject.org/rpms/python-apipkg.git /var/lib/mock/f39-build-1573540-37806/root/chroot_tmpdir/scmroot/python-apipkg
Cloning into '/var/lib/mock/f39-build-1573540-37806/root/chroot_tmpdir/scmroot/python-apipkg'...
$ git fetch origin 9708047dd11e93ec4fc19494a879924a77e4f441:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-apipkg
 * [new ref]         9708047dd11e93ec4fc19494a879924a77e4f441 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9708047 Update 3.0.2.