$ git clone -n https://gitee.com/opencloudos-stream/alertmanager.git /home/lib/mock/dist-ocs23-loongarch64-build-178790-11421/root/chroot_tmpdir/scmroot/alertmanager
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-178790-11421/root/chroot_tmpdir/scmroot/alertmanager'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/alertmanager
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c47e67 !2 add support for loongarch64 Merge pull request !2 from dpd/master