$ git clone -n https://src.fedoraproject.org/rpms/python-extractcode-7z.git /var/lib/mock/f39-build-2020101-46545/root/chroot_tmpdir/scmroot/python-extractcode-7z
Cloning into '/var/lib/mock/f39-build-2020101-46545/root/chroot_tmpdir/scmroot/python-extractcode-7z'...
$ git fetch origin 120ded4d82e48115294bc0ab0adca50372b21831:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-extractcode-7z
 * [new ref]         120ded4d82e48115294bc0ab0adca50372b21831 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 120ded4 Initial import