$ git clone -n https://gitee.com/opencloudos-stream/nerdctl.git /var/lib/mock/dist-oc9-epol-build-175849-79950/root/chroot_tmpdir/scmroot/nerdctl
Cloning into '/var/lib/mock/dist-oc9-epol-build-175849-79950/root/chroot_tmpdir/scmroot/nerdctl'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nerdctl
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5926654 !2 update to 2.1.3 Merge pull request !2 from abushwang/master