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Environment & Terminal

Bash

Install & activate updated bash

• check bash version:

  echo $BASH_VERSION
  

• Install via homebrew:

  brew install bash
  

• homebrew installs the updated bash into usr/local/bin/bash

• add the new bash to the list of legit shells (but for the current user, not for root):

  sudo bash -c "echo $(brew --prefix)/bin/bash >> /private/etc/shells"
  

  note that #(brew --prefix) is usually usr/local/bin but using the variable is safer

• check:

  cd /etc
  cat shells
  
  cd /private/etc
  cat shells
  

  the last line should read

  /usr/local/bin/bash
  

• change the shell for the user

  chsh -s /usr/local/bin/bash
  

• If you go to System Preferences > Users & Groups > User > click the lock to make changes _ right click on the user name & choose “Advanced”, the login shell for the user should now read /usr/local/bin/bash_

• Restart terminal.app (new window works too) or iTerm

• Check for Bash 4 and /usr/local/bin/bash…

  echo $BASH && echo $BASH_VERSION
  

Git

• See Git Section in Dev Environment page

Terminal

• iTerm2

   brew cask install iterm2
  

• Fonts

  # enable "tap":
  brew tap caskroom/fonts
    
  # install the fonts
  brew cask install font-source-code-pro
  brew cask install font-anonymous-pro
  brew cask install font-hack
  

• Configure iTerm2
  • open iTerm2, (Press ⌘-i to change from terminal, to create a new profile press ⌘-,), and
  • colour presets: – either start with “Solarized (Dark)” colour preset and reset foreground colour to #c7c7c7 0cd00c – or start with normal Dark and set foreground colour to 00c200
  • set font to Source Code Pro Light 18px
  • set window blur & transparency

Dotfiles

• In the home directory ‘/Users/' create a bash profile:

  touch .bash_profile
  

  This will be empty except for a reference to load .bashrc. Contents of the file:

  # Load .bashrc if it exists
  test -f ~/.bashrc && source ~/.bashrc
  

• Create a bashrc file:

  touch .bashrc
  

  This will be empty except for references to load the environment variables, aliases, customised prompt, useful functions, and config for python virtualenvs. Contents of the file:

  # Load .env if it exists
  test -f ~/dotfiles/.env && source ~/dotfiles/.env
  
  # Load .aliases if it exists
  test -f ~/dotfiles/.aliases && source ~/dotfiles/.aliases
  
  # Load .prompt if it exists
  test -f ~/dotfiles/.prompt && source ~/dotfiles/.prompt
  
  # Load .functions if it exists
  test -f ~/dotfiles/.functions && source ~/dotfiles/.functions
  
  # Load .venvsconf if it exists
  test -f ~/dotfiles/.venvsconf && source ~/dotfiles/.venvsconf
  

• dotfiles folder: – Create the folder: mkdir dotfiles – Create the files in this folder:

   touch .env
   touch .aliases
   touch .prompt
   touch .functions
   touch .venvsconf
  

• symlink dotfiles to keep a backup/sync:

  ln -s .aliases /target_folder/dotfiles/dot_aliases
  ln -s .env /target_folder/dotfiles/dot_env
  ln -s .functions /target_folder/dotfiles/dot_functions
  ln -s .prompt /target_folder/dotfiles/dot_prompt
  ln -s .venvsconf /target_folder/dotfiles/dot_venvsconf
  

Install hombrew bash completion:

• Install

   brew install bash-completion
  

• And add the following to /dotfiles/.env file:

  # Add tab completion for many Bash commands
  [ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion
  

Some homebrew / terminal tools:

• These are needed for other tools, such as pyenv

  brew install openssl
  brew install readline
  brew install xz
  

Terminal Tools

• tree: tree is a recursive directory listing command that produces a depth indented listing of files.

  brew install tree
  

• ccat: ccat is coloured cat

  brew install ccat