$ git clone -n https://gitee.com/opencloudos-stream/subunit.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-285211-27596/root/chroot_tmpdir/scmroot/subunit
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-285211-27596/root/chroot_tmpdir/scmroot/subunit'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/subunit
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19d3518 Rebuilt for loongarch release