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#!/bin/sh

: ${RCM_LIB:=`dirname $0`/../share/rcm}
. $RCM_LIB/rcm.sh

destination() {
  local dotfiles_dir=$1
  local dotless=$2
  local in_host=$3
  local tag=$4

  if [ "x$tag" != "x" ]; then
    echo $dotfiles_dir/tag-$tag
  elif [ $in_host = 1 ]; then
    echo $dotfiles_dir/host-$HOSTNAME
  else
    echo $dotfiles_dir
  fi
}

if [ -e $HOME/.rcrc ]; then
  . $HOME/.rcrc
fi

show_help() {
  local exit_code=${1:-0}

  $PRINT "Usage: mkrc [-hvqo] [-t TAG] [-d DIR] FILES ..."
  $PRINT "see mkrc(1) and rcm(5) for more details"

  exit $exit_code
}

if [ $# -eq 0 ]; then
  show_help 1
fi

for DOTFILES_DIR in $DOTFILES_DIRS $DEFAULT_DOTFILES_DIR; do
  break
done

tag=
verbosity=0
in_host=0
version=0
always_copy=0

while getopts ChVvqot:d: opt; do
  case "$opt" in
    C) always_copy=1 ;;
    h) show_help ;;
    t) tag=$OPTARG ;;
    v) verbosity=$(($verbosity + 1)) ;;
    q) verbosity=$(($verbosity - 1)) ;;
    o) in_host=1 ;;
    d) DOTFILES_DIR=$OPTARG ;;
    V) version=1 ;;
  esac
done
shift $(($OPTIND-1))

handle_common_flags mkrc $version $verbosity

if [ $in_host -eq 1 -a "x$tag" != "x" ]; then
  $ERROR 1 "Cannot specify both -o and -t"
fi

if [ $always_copy -eq 1 ]; then
  INSTALL="$INSTALL -C"
fi

files=$@

for file in $files; do
  dotless=`echo $file | sed -e "s|$DEST_DIR/||" | sed -e 's/^\.//'`
  dest=`destination $DOTFILES_DIR $dotless $in_host $tag`
  mkdir -p $dest/`dirname $dotless`
  $MV $file $dest/$dotless
  $INSTALL -d $DOTFILES_DIR -t ${tag:--} $dotless
done