Alpine Linux with APK package manager: Get installed packages and turn them into an install command

get-installed-alpine-packages.sh

#!/bin/sh
# should print out:
# apk add [all packages installed]
{
  set -e;
  packages=$(apk info -vv | sort | awk "{print $1}" | cut -d" " -f0 | tr "\n" " ");
  printf "apk add %s" "$packages";
  exit 0;
} || echo "Something went wrong. Error: $!"; exit 1;