$ git clone -n https://gitee.com/opencloudos-stream/polly.git /var/lib/mock/dist-ocs23-build-113135-7444/root/chroot_tmpdir/scmroot/polly
Cloning into '/var/lib/mock/dist-ocs23-build-113135-7444/root/chroot_tmpdir/scmroot/polly'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/polly
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2029c25 !2 【软件升级】 [polly] 可升级至 [17.0.6] Merge pull request !2 from luochenglcs/master