$ git clone -n https://gitee.com/gcdota930915/compiler-rt18.git /var/lib/mock/dist-an23.3-build-424833-72940/root/chroot_tmpdir/scmroot/compiler-rt18
Cloning into '/var/lib/mock/dist-an23.3-build-424833-72940/root/chroot_tmpdir/scmroot/compiler-rt18'...
$ git fetch origin 83200d8713f138ce8445e54fea5c3fbbd9ecf410:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/compiler-rt18
 * [new ref]         83200d8713f138ce8445e54fea5c3fbbd9ecf410 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83200d8 Import from upstream version 18.1.8