setup

#!/bin/sh
# Install all dotfiles into the home directory

DOTFILESDIRREL=$(dirname "$0")
cd "$DOTFILESDIRREL/.." || exit
DOTFILESDIR=$(pwd -P)

# Initialize submodules
git -C "$DOTFILESDIR" submodule update --init

[ "$(uname -s)" = "Darwin" ] && export MACOS=1 && export UNIX=1
[ "$(uname -s)" = "Linux" ] && export LINUX=1 && export UNIX=1
uname -s | grep -q "_NT-" && export WINDOWS=1

XDG_CONFIG_DIR=$HOME/.config

if [ $UNIX ]
then
  mkdir -p "$HOME/.config"
fi

for DOTFILE in *; do
  HOMEFILES=("$HOME/.$DOTFILE")
  [ -d "$DOTFILE" ] && DOTFILE="$DOTFILE/"
  DIRFILE="$DOTFILESDIR/$DOTFILE"

  echo "$DOTFILE" | grep -E -q '(^script/$|^docs/$|\.txt$|\.md$)' && continue

  echo "$DOTFILE" | grep -E -q '(^karabiner/$|^espanso/$)' &&
    HOMEFILES=("$XDG_CONFIG_DIR/${DOTFILE%/}")

  # vim and neovim read the same configuration from different paths
  echo "$DOTFILE" | grep -E -q '(^vim/$)' &&
    HOMEFILES+=("$XDG_CONFIG_DIR/nvim")

  echo "$DOTFILE" | grep -q '\.sh' &&
    HOMEFILES=("$HOME/.$(echo "$DOTFILE" | sed -e 's/\.sh//')")

  for HOMEFILE in ${HOMEFILES[@]}; do
    if [ $UNIX ]
    then
      if [ -L "$HOMEFILE" ] && ! [ -d "$DOTFILE" ]
      then
        ln -sfv "$DIRFILE" "$HOMEFILE"
      else
        rm -rv "$HOMEFILE"
        ln -sv "$DIRFILE" "$HOMEFILE"
      fi
    else
      cp -rv "$DIRFILE" "$HOMEFILE"
    fi
  done
done