script to remove old snap packages

scripts/.bin/remove-old-snaps.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Removes old revisions of snaps
+# CLOSE ALL SNAPS BEFORE RUNNING THIS
+set -eu
+
+LANG=C snap list --all | awk '/disabled/{print $1, $3}' |
+    while read snapname revision; do
+        snap remove "$snapname" --revision="$revision"
+    done