$ git clone -n https://gitee.com/wenyuzifang/compiler-rt.git /var/lib/mock/dist-an23-build-464556-73881/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/dist-an23-build-464556-73881/root/chroot_tmpdir/scmroot/compiler-rt'...
$ git fetch origin 47e4ff30a9eb874adc7cbc12a0e92821ba1d229e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/compiler-rt
 * [new ref]         47e4ff30a9eb874adc7cbc12a0e92821ba1d229e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47e4ff3 Update code from upstream