setup

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

if [ -L "$0" ]; then
  SCRIPTSETUP="$(readlink "$0")"
else
  SCRIPTSETUP="$0"
fi

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

[ $(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

if [ "$MACOS" ]; then
  VSCODE="$HOME/Library/Application Support/Code/User"
  CURSOR="$HOME/Library/Application Support/Cursor/User"
elif [ "$LINUX" ]; then
  VSCODE="$HOME/.config/Code/User"
  CURSOR="$HOME/.config/Cursor/User"
elif [ "$WINDOWS" ]; then
  VSCODE="$APPDATA/Code/User"
  CURSOR="$APPDATA/Cursor/User"
fi

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

  # Don't mess with Codespaces' default GPG/SSH setup.
  if [ -n "$CODESPACES" ]; then
    echo "$DOTFILE" | egrep -q '^(gnupg|ssh)/' && continue
  fi

  # Don't try to install documentation/script files
  echo "$DOTFILE" | egrep -q '(^script/$|\.txt$|\.md$)' && continue

  # Fixup VSCode settings path
  echo "$DOTFILE" | grep -q 'vscode-settings' &&
    HOMEFILE="$VSCODE/settings.json" &&
    mkdir -p "$VSCODE"

  # Fixup Cursor settings path
  echo "$DOTFILE" | grep -q 'cursor-settings' &&
    HOMEFILE="$CURSOR/settings.json" &&
    mkdir -p "$CURSOR"

  # Fixup Cursor keybindings path
  echo "$DOTFILE" | grep -q 'vscode-keybindings' &&
    HOMEFILE="$CURSOR/keybindings.json" &&
    mkdir -p "$CURSOR"

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

  # Fixup RuboCop configuration (if possible)
  if echo "$DOTFILE" | grep -q 'rubocop-work.yml'; then
    HOMEWORK="$HOME/Workbrew"
    [ -d "$HOMEWORK" ] || continue
    HOMEFILE="$HOMEWORK/.rubocop.yml"
  elif echo "$DOTFILE" | grep -q 'rubocop-oss.yml'; then
    HOMEOSS="$HOME/OSS"
    [ -d "$HOMEOSS" ] || continue
    HOMEFILE="$HOMEOSS/.rubocop.yml"
  fi

  if [ "$UNIX" ]; then
    if ! [ -d "$DOTFILE" ]; then
      if [ -L "$HOMEFILE" ]; then
        ln -sf "$DIRFILE" "$HOMEFILE"
      else
        ln -svf "$DIRFILE" "$HOMEFILE"
      fi
    elif [ -L "$HOMEFILE" ]; then
      rm -r "$HOMEFILE" 2>/dev/null
      ln -s "$DIRFILE" "$HOMEFILE"
    else
      rm -rv "$HOMEFILE" 2>/dev/null
      ln -sv "$DIRFILE" "$HOMEFILE"
    fi
  else
    cp -rv "$DIRFILE" "$HOMEFILE"
  fi
done

HOMEDOTFILES="$HOME/.dotfiles"
if [ "$DOTFILESDIR" != "$HOMEDOTFILES" ]; then
  ln -sf "$DOTFILESDIR" "$HOMEDOTFILES"
fi