#!/bin/sh

# set -x

DOTFILES=$HOME/.dotfiles
MV=mv
INSTALL=rcup
ROOT_DIR=$HOME


destination() {
  if [ $# -eq 0 ]; then
    echo $DOTFILES
  else
    echo $DOTFILES/tag-$2
  fi
}

install_dotfile() {
  prior_wd=`pwd`
  cd $DOTFILES
  $INSTALL -t ${2:--} $1
  cd $prior_wd
}

. `dirname $0`/../libexec/rcm/rcm.sh

if [ $# -eq 0 ]; then
  echo "Usage: dotfiles-add [-t tag] filename ..."
  exit 1
fi

tag=
verbosity=0
version=0
while getopts Vvqt: opt; do
  case "$opt" in
    t) tag=$OPTARG;;
    v) verbosity=$(($verbosity + 1));;
    q) verbosity=$(($verbosity - 1));;
    V) version=1
  esac
done
shift $(($OPTIND-1))

if [ $version -eq 1 ]; then
  version mkrc
  exit 0
elif [ $verbosity -ge 2 ]; then
  MV="$MV -v"
  INSTALL="$INSTALL -vv"
elif [ $verbosity -eq 1 ]; then
  MV="$MV -v"
  INSTALL="$INSTALL -v"
elif [ $verbosity -eq 0 ]; then
  MV="$MV -v"
else
  INSTALL="$INSTALL -q"
fi

files=$@

for file in $files; do
  dotless=`echo $file | sed -e "s|$ROOT_DIR/||" | sed -e 's/^\.//'`
  dest=`destination $dotless $tag`
  mkdir -p $dest/`dirname $dotless`
  $MV $file $dest/$dotless
  install_dotfile $dotless $tag
done