add script to update emacs and all its packages in one go

Signed-off-by: Gwenhael Le Moine <gwenhael.le.moine@gmail.com>

e/update-all.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+( cd emacs
+	./emacs.SlackBuild
+)
+upgradepkg /tmp/emacs-trunk*.t?z
+mv /tmp/emacs-trunk*.t?z /home/installs/PKGs/
+
+for e in $(find . -type d -maxdepth 1 -not -name UNUSED -not -name . -not -name emacs); do
+   (cd $e
+      ./$(basename $e).SlackBuild && \
+         upgradepkg /tmp/$(basename $e)*.t?z && \
+         mv /tmp/$(basename $e)*.t?z /home/installs/PKGs/
+    )
+done
+
+rm -fr /tmp/{cyco,emacs-*,package-*,ruby-*}