$ git clone -n https://gitee.com/mgb01105731/clang_1.git /var/lib/mock/dist-an23.2-build-409744-72694/root/chroot_tmpdir/scmroot/clang_1
Cloning into '/var/lib/mock/dist-an23.2-build-409744-72694/root/chroot_tmpdir/scmroot/clang_1'...
$ git fetch origin a23-clang18:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/clang_1
 * [new branch]      a23-clang18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0638925 init upstream from 18.1.8