$ git clone -n https://gitee.com/src-anolis-os/libomp.git /var/lib/mock/dist-an23-loongarch-build-322692-68334/root/chroot_tmpdir/scmroot/libomp
Cloning into '/var/lib/mock/dist-an23-loongarch-build-322692-68334/root/chroot_tmpdir/scmroot/libomp'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libomp
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db07a36 fix build error for loongarch64