$ git clone -n https://src.fedoraproject.org/rpms/gnome-panel.git /var/lib/mock/f40-build-2663637-67011/root/chroot_tmpdir/scmroot/gnome-panel
Cloning into '/var/lib/mock/f40-build-2663637-67011/root/chroot_tmpdir/scmroot/gnome-panel'...
$ git fetch origin 90034b75bc1c49b38bbdf3665dae58b6054cf3f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-panel
 * [new ref]         90034b75bc1c49b38bbdf3665dae58b6054cf3f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90034b7 Update to 3.52.0