$ git clone -n https://gitee.com/opencloudos-stream/icewm /var/lib/mock/dist-ocs23-epol9-build-244786-23189/root/chroot_tmpdir/scmroot/icewm
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-244786-23189/root/chroot_tmpdir/scmroot/icewm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/icewm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fb508b update