pkgadd

#!/usr/bin/env bash

if test -z "$PACKLIST" ;then
  if [[ -r $XDG_CONFIG_HOME/pkgsync/pkgsync.conf ]] ; then
    # shellcheck disable=1091
    source "$XDG_CONFIG_HOME"/pkgsync/pkgsync.conf
  fi
fi

if test -z "$PACKLIST" ;then
  echo 'PACKLIST not defined'
  exit 1
fi

cd "$( dirname "$PACKLIST" )" || exit

pkgs=("$@")
while [[ -z "${pkgs[*]}" ]] ; do
  read -rp "Enter packages name: " pkgs
done

need2install=0
for pkg in "${pkgs[@]}" ; do
  if grep -xq "$pkg" "$PACKLIST" ; then
    echo "Package $pkg is already in $PACKLIST"
  else
    tmp=$(mktemp /tmp/pkgadd.XXXXXX)
    trap 'rm -f "$tmp"' EXIT
    cp "$PACKLIST" "$tmp"
    echo "$pkg" >> "$tmp"
    sort -u "$tmp" -o "$tmp" && mv "$tmp" "$PACKLIST" && \
      echo "Package $pkg added to $PACKLIST"
  fi

  if pacman -Q "$pkg" &>/dev/null ; then
    echo "Package $pkg is already installed"
  else
    need2install=1
  fi
done

if [[ $need2install -eq 1 ]] ; then
    read -rp 'Run pkgsync? [Y/n]: ' ans
    case "$ans" in
      [Nn]*) ;;
      *) PACKLIST="$PACKLIST" pkgsync ;;
    esac
fi