$ git clone -n https://gitee.com/gcdota930915/compiler-rt18.git /var/lib/mock/dist-an23.3-build-425467-72967/root/chroot_tmpdir/scmroot/compiler-rt18
Cloning into '/var/lib/mock/dist-an23.3-build-425467-72967/root/chroot_tmpdir/scmroot/compiler-rt18'...
$ git fetch origin 8a76bfa27cabc9e33480a9ebae424cda0f1a4dbc:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/compiler-rt18
 * [new ref]         8a76bfa27cabc9e33480a9ebae424cda0f1a4dbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a76bfa Import from upstream version 18.1.8