$ git clone -n https://gitee.com/yan1hcdc/compiler-rt18.git /var/lib/mock/dist-an23-build-441396-73164/root/chroot_tmpdir/scmroot/compiler-rt18
Cloning into '/var/lib/mock/dist-an23-build-441396-73164/root/chroot_tmpdir/scmroot/compiler-rt18'...
$ git fetch origin e0ae3ea6c5954d883bfb908f640263d5d668ee9f:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/compiler-rt18
 * [new ref]         e0ae3ea6c5954d883bfb908f640263d5d668ee9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0ae3ea add support for riscv build