$ git clone -n https://gitee.com/src-opencloudos-rpms/R-pkg.git /var/lib/mock/dist-oc9-build-100703-64900/root/chroot_tmpdir/scmroot/R-pkg
Cloning into '/var/lib/mock/dist-oc9-build-100703-64900/root/chroot_tmpdir/scmroot/R-pkg'...
$ git fetch origin d19041c9405a48a7420d0386906e3aac443b1cc5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/R-pkg
 * [new ref]         d19041c9405a48a7420d0386906e3aac443b1cc5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d19041c import R-4.4.1-1.tl4