VERSION="@PACKAGE_VERSION@"

#set -x

DEBUG=:
DEST_DIR=$HOME
PRINT=echo
PROMPT=echo_n
ERROR=echo_error
VERBOSE=:
MKDIR=mkdir
LN="ln -s"
CP=cp
RM=rm
DEFAULT_DOTFILES_DIR=$HOME/.dotfiles
MV=mv
INSTALL=rcup
ROOT_DIR=$HOME
HOSTNAME=`hostname -s`

unset CDPATH

echo_n() {
  printf "%s " "$*"
}

echo_error() {
  local exit_status=$1
  shift
  echo $* >&2
  exit $exit_status
}

echo_stderr() {
  echo $* >&2
}

is_relative() {
  echo $1 | grep -vq '^/'
}

version() {
  cat << EOV
$1 (rcm) $VERSION
Copyright (C) 2013 Mike Burns
License BSD: BSD 3-clause license

Written by Mike Burns.
EOV
}

handle_common_flags() {
  local prog_name=$1
  local version=$2
  local verbosity=$3

  if [ $version -eq 1 ]; then
    version $prog_name
    exit 0
  elif [ $verbosity -ge 2 ]; then
    DEBUG=echo_stderr
    VERBOSE=echo
    PRINT=echo
    MV="$MV -v"
    RM="$RM -v"
    LN="$LN -v"
    CP="$CP -v"
    INSTALL="$INSTALL -vv"
  elif [ $verbosity -eq 1 ]; then
    DEBUG=:
    VERBOSE=echo
    PRINT=echo
    MV="$MV -v"
    RM="$RM -v"
    LN="$LN -v"
    CP="$CP -v"
    INSTALL="$INSTALL -v"
  elif [ $verbosity -eq 0 ]; then
    DEBUG=:
    VERBOSE=:
    PRINT=echo
    MV="$MV -v"
    RM="$RM -v"
    LN="$LN -v"
    CP="$CP -v"
  else
    DEBUG=:
    VERBOSE=:
    PRINT=:
    INSTALL="$INSTALL -q"
  fi
}

handle_metadata_flags() {
  local arg_tags=$1
  local dotfiles_dirs=$2

  : ${TAGS:=$arg_tags}
  : ${DOTFILES_DIRS:=$dotfiles_dirs}

  $DEBUG "TAGS: $TAGS"
  $DEBUG "DOTFILES_DIRS: $DOTFILES_DIRS"
}

run_hooks() {
  $DEBUG "run_hooks $1 $2"
  $DEBUG "  with DOTFILES_DIRS: $DOTFILES_DIRS"
  local when=$1
  local direction=$2

  if [ $RUN_HOOKS -eq 1 ]; then
    for dotfiles_dir in $DOTFILES_DIRS; do
      $DEBUG "hook: $dotfiles_dir/hooks/$when-$direction"
      if [ -x "$dotfiles_dir/hooks/$when-$direction" ]; then
        $VERBOSE "running $when-$direction hooks for $dotfiles_dir"
        $dotfiles_dir/hooks/$when-$direction
      fi
    done
  fi
}

: ${RCRC:=$HOME/.rcrc}

if [ -r "$RCRC" ]; then
  . "$RCRC"
fi