$ git clone -n https://gitee.com/opencloudos-stream/stargz-snapshotter.git /var/lib/mock/dist-oc9-epol-build-236166-82239/root/chroot_tmpdir/scmroot/stargz-snapshotter
Cloning into '/var/lib/mock/dist-oc9-epol-build-236166-82239/root/chroot_tmpdir/scmroot/stargz-snapshotter'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/stargz-snapshotter
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c04a25c !23 Fix some crash recovery problem Merge pull request !23 from luochenglcs/master