$ git clone -n https://gitee.com/opencloudos-stream/gnome-shell-extension-caffeine.git /var/lib/mock/dist-oc9-epol-build-75841-52347/root/chroot_tmpdir/scmroot/gnome-shell-extension-caffeine
Cloning into '/var/lib/mock/dist-oc9-epol-build-75841-52347/root/chroot_tmpdir/scmroot/gnome-shell-extension-caffeine'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gnome-shell-extension-caffeine
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cca3a1 update