$ git clone -n https://gitee.com/opencloudos-stream/mesa.git /var/lib/mock/dist-ocs23-loongarch64-build-135987-9626/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-135987-9626/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mesa
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cf9025 !6 [I8WRWA]:Rebuild for elfutils in opencloudos-stream Merge pull request !6 from ocs-bot/master