add xxubuntu helper for all those annoying debian/ubuntu-isms

dot_local/bin/executable_xxubuntu

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+SCRIPT_NAME=$(basename "$0")
+
+usage() {
+    echo "Usage: $SCRIPT_NAME <subcommand>"
+    echo ""
+    echo "Subcommands:"
+    echo "  obsolete   Packages installed but not available in any configured repo"
+    echo "  manual     Packages that were manually installed"
+    echo "  residual   Packages removed but with configuration files remaining"
+}
+
+cmd_obsolete() {
+    aptitude search '~o' -F '%p'
+}
+
+cmd_manual() {
+    apt-mark showmanual
+}
+
+cmd_residual() {
+    dpkg -l | awk '/^rc/ { print $2 }'
+}
+
+case "$1" in
+    obsolete)  cmd_obsolete ;;
+    manual)    cmd_manual ;;
+    residual)  cmd_residual ;;
+    ""|--help|-h) usage ;;
+    *)
+        echo "$SCRIPT_NAME: unknown subcommand '$1'" >&2
+        echo "" >&2
+        usage >&2
+        exit 1
+        ;;
+esac