dotfiles/bootstrap.sh at master · striderkein/dotfiles · GitHub

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#!/bin/sh
dir=$(cd $(dirname $0) && pwd)

# detect bash | zsh
is_bash() {
  # $SHELL 環境変数で判定（より確実）
  case "$SHELL" in
    */bash|*/bash.exe)
      true
      ;;
    *)
      false
      ;;
  esac
}

download_git_completion() {
  curl -o git-prompt.sh https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh
  curl -o git-completion.bash https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash
  curl -o _git https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.zsh
}

deploy_git_completion() {
  mkdir -p ~/.zsh && cd $_
  if [ ! -e git-prompt.sh ] && [ ! -e git-completion.sh ] && [ ! -e _git ]; then
    download_git_completion
  fi
}

create_homedir_symlink() {
  local basepath="$dir/$1"
  if [ -z "$basepath" ]; then
    return
  fi

  # 第２引数で出力ファイル名変更可能
  local outname="$2"
  if [ -z "$outname" ]; then
    local outname="$1"
  fi

  local outpath="$HOME/$outname"
  if [ -e "$outpath" ]; then
    return
  fi

  ln -sfnv "$basepath" "$outpath"
}

install_dotfiles() {
  if is_bash; then
    create_homedir_symlink .profile .bash_profile
    create_homedir_symlink .bashrc
  else
    create_homedir_symlink .profile .zprofile
    create_homedir_symlink .zshrc
  fi

  for dotfile in "$dir"/.??*
  do
    local filename=$(basename "$dotfile")
    [ "$filename" = ".git" ] && continue
    [ "$filename" = ".profile" ] && continue
    [ "$filename" = ".bashrc" ] && continue
    [ "$filename" = ".zshrc" ] && continue
    create_homedir_symlink "$filename"
  done
}

# enable `code` command
# cat << EOF >> ~/.zprofile
# # Add Visual Studio Code (code)
# export PATH="\$PATH:/Applications/Visual Studio Code.app/Contents/Resources/app/bin"
# EOF

install_dotfiles
deploy_git_completion