$ git clone -n https://gitee.com/little-huaduo/compiler-rt18.git /var/lib/mock/dist-an23-build-481271-74252/root/chroot_tmpdir/scmroot/compiler-rt18
Cloning into '/var/lib/mock/dist-an23-build-481271-74252/root/chroot_tmpdir/scmroot/compiler-rt18'...
$ git fetch origin a2c55b0717c154d0af04070a5680b5f23db64fbe:KOJI_FETCH_HEAD
From https://gitee.com/little-huaduo/compiler-rt18
 * [new ref]         a2c55b0717c154d0af04070a5680b5f23db64fbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2c55b0 Add Sw64 target support for compiler-rt18