$ git clone -n https://gitee.com/zixt/ungoogled-chromium /var/lib/mock/dist-oc9-epol-build-251073-84068/root/chroot_tmpdir/scmroot/ungoogled-chromium
Cloning into '/var/lib/mock/dist-oc9-epol-build-251073-84068/root/chroot_tmpdir/scmroot/ungoogled-chromium'...
$ git fetch origin cac4de5:KOJI_FETCH_HEAD
fatal: couldn't find remote ref cac4de5
$ git reset --hard cac4de5
HEAD is now at cac4de5 Update to ungoogled-chromium 153.0.8010.52