$ git clone -n https://gitee.com/opencloudos-stream/grep.git /var/lib/mock/dist-ocs23-base-build-270314-25836/root/chroot_tmpdir/scmroot/grep
Cloning into '/var/lib/mock/dist-ocs23-base-build-270314-25836/root/chroot_tmpdir/scmroot/grep'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/grep
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a93aed1 Rebuilt for loongarch release