$ git clone -n https://gitee.com/bbrucezhang/chromium.git /var/lib/mock/dist-oc9-epol-build-230070-81435/root/chroot_tmpdir/scmroot/chromium
Cloning into '/var/lib/mock/dist-oc9-epol-build-230070-81435/root/chroot_tmpdir/scmroot/chromium'...
$ git fetch origin 139.0.7258.154:KOJI_FETCH_HEAD
From https://gitee.com/bbrucezhang/chromium
 * [new branch]      139.0.7258.154 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc413b0 Update to 139.0.7258.154