Add executable Aptitude lifecycle adapter

Author: mearvk

modules/aptitude/aptitude-module.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# JWSTF Aptitude adapter.
+# Usage: aptitude-module.sh {search|install|update|verify|remove} [package...]
+
+usage() {
+  echo "Usage: $0 {search|install|update|verify|remove} [package ...]" >&2
+  exit 2
+}
+
+command -v aptitude >/dev/null 2>&1 || {
+  echo "aptitude is not installed on this Debian/Ubuntu host." >&2
+  exit 127
+}
+
+[[ $# -ge 1 ]] || usage
+op="$1"
+shift
+
+case "$op" in
+  search)
+    [[ $# -ge 1 ]] || usage
+    aptitude search "$@"
+    ;;
+  install)
+    [[ $# -ge 1 ]] || usage
+    echo "Planned installation: $*"
+    aptitude -s install "$@"
+    read -r -p "Apply this installation? [y/N] " answer
+    [[ "$answer" =~ ^[Yy]$ ]] || { echo "Cancelled."; exit 0; }
+    sudo aptitude install "$@"
+    ;;
+  update)
+    sudo aptitude update
+    if [[ $# -gt 0 ]]; then
+      sudo aptitude safe-upgrade "$@"
+    else
+      sudo aptitude safe-upgrade
+    fi
+    ;;
+  verify)
+    [[ $# -ge 1 ]] || usage
+    for package in "$@"; do
+      aptitude show "$package"
+    done
+    ;;
+  remove)
+    [[ $# -ge 1 ]] || usage
+    echo "Planned removal: $*"
+    aptitude -s remove "$@"
+    read -r -p "Apply this removal? [y/N] " answer
+    [[ "$answer" =~ ^[Yy]$ ]] || { echo "Cancelled."; exit 0; }
+    sudo aptitude remove "$@"
+    ;;
+  *)
+    usage
+    ;;
+esac