$ git clone -n https://gitee.com/rabbitali/compiler-rt.git /var/lib/mock/dist-an23-build-490398-74493/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/dist-an23-build-490398-74493/root/chroot_tmpdir/scmroot/compiler-rt'...
$ git fetch origin 9c87a55ed8f20dd08851289728429ebba5861e8a:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/compiler-rt
 * [new ref]         9c87a55ed8f20dd08851289728429ebba5861e8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c87a55 Update code from upstream