helm/bin/gpgzip

#!/usr/bin/env bash

# Encrypt/decrypt and compress folders with gpg+tar.
# Usage:
#   clump foldername           # packs
#   clump foldername.clump     # unpacks

set -e
if (($# == 0)); then
  >&2 echo "Usage: $0 <FILE|DIRECTORY> [DEST]"
  exit 1
fi

ext='clump'
target="$1"
cmd=
if [[ -f $target ]]; then
  cmd=unpack
elif [[ -d $target ]]; then
  cmd=pack
else
  >&2 echo "Not a valid target: '$target'"
  exit 1
fi

case $cmd in
  p|pack)
    if [[ -f $target.$ext ]]; then
      >&2 echo "Destination file already exists"
      exit 2
    fi
    tar -pcvf - "$target" | gpg -c > "$target.$ext"
    echo "Packed into $target.$ext"
    ;;
  u|unpack)
    tmpfile=$(mktemp)
    gpg -d "$target" > "$tmpfile" && tar -pxvf "$tmpfile"
    rm -f "$tmpfile"
    ;;
esac