$ git clone -n https://gitee.com/opencloudos-stream/petsc.git /var/lib/mock/dist-ocs23-loongarch64-build-168971-10414/root/chroot_tmpdir/scmroot/petsc
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-168971-10414/root/chroot_tmpdir/scmroot/petsc'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/petsc
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 286f273 !2 [I9Q1HK]:Rebuild for hdf5 in opencloudos-stream Merge pull request !2 from ocs-bot/master