$ git clone -n https://gitee.com/opencloudos-stream/im-chooser.git /var/lib/mock/dist-oc9-epol-build-73839-49136/root/chroot_tmpdir/scmroot/im-chooser
Cloning into '/var/lib/mock/dist-oc9-epol-build-73839-49136/root/chroot_tmpdir/scmroot/im-chooser'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/im-chooser
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10b5529 !2 Fix files not deleted after disabling xfce Merge pull request !2 from dpd/master