$ git clone -n https://gitee.com/happy_orange/gnome-shell-extensions.git /var/lib/mock/dist-an23-build-340807-69850/root/chroot_tmpdir/scmroot/gnome-shell-extensions
Cloning into '/var/lib/mock/dist-an23-build-340807-69850/root/chroot_tmpdir/scmroot/gnome-shell-extensions'...
$ git fetch origin b9c2921a13fe9252d71d40eef4634052a2d30ab9:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/gnome-shell-extensions
 * [new ref]         b9c2921a13fe9252d71d40eef4634052a2d30ab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9c2921 fix the source error