Add bootstrap-macOS.sh

usage: ./bootstrap-macOS.sh [-h] [-d]

Bootstrap a macOS instance with:

* Xcode command line developer tools
* Homebrew - package manager
* Python - from Homebrew
* virtualenv - from pip
* SSH key - from ssh-keygen
* GitHub public key - with SSH key
* conduit - configuration manager

If any already exist they will not be reinstalled.

optional arguments:
        -h              show this help message and exit
        -d              dry run, don't actuall install anything

bootstrap-macOS.sh

@@ -0,0 +1,169 @@
+#!/bin/bash
+
+set -e
+
+show_usage() {
+  echo "usage: $0 [-h] [-d]"
+}
+
+show_help() {
+  show_usage
+  echo
+  echo "Bootstrap a macOS instance with:"
+  echo
+  echo "* Xcode command line developer tools"
+  echo "* Homebrew - package manager"
+  echo "* Python - from Homebrew"
+  echo "* virtualenv - from pip"
+  echo "* SSH key - from ssh-keygen"
+  echo "* GitHub public key - with SSH key"
+  echo "* conduit - configuration manager"
+  echo
+  echo "If any already exist they will not be reinstalled."
+  echo
+  echo "optional arguments:"
+  echo "        -h              show this help message and exit"
+  echo "        -d              dry run, don't actuall install anything"
+}
+
+dry=0
+
+while getopts 'hd' opt; do
+  case $opt in
+    h)
+      show_help
+      exit 0
+      ;;
+    d)
+      dry=1
+      ;;
+    *)
+      show_usage
+      exit 1
+      ;;
+  esac
+done
+
+if [ $dry -eq 1 ]; then
+  echo "OPERATING IN DRY RUN MODE!"
+fi
+
+# Install Xcode command line developer tools
+if ! xcode-select --print-path &> /dev/null; then
+  if [ $dry -eq 1 ]; then
+    xcode-select --install
+  fi
+  echo "Installed: Xcode command line developer tools"
+else
+  echo "Satisfied: Xcode command line developer tools"
+fi
+
+# Install Homebrew
+if ! brew help &> /dev/null; then
+  if [ $dry -eq 0 ]; then
+    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+  fi
+  echo "Installed: Homebrew"
+else
+  echo "Satisfied: Homebrew"
+fi
+
+# Install Python
+if [ ! -f /usr/local/bin/python ]; then
+  if [ $dry -eq 0 ]; then
+    brew install python
+  fi
+  echo "Installed: Python"
+else
+  echo "Satisfied: Python"
+fi
+
+# Install virtualenv
+if [ ! -f /usr/local/bin/virtualenv ]; then
+  if [ $dry -eq 0 ]; then
+    pip install virtualenv &> /dev/null
+  fi
+  echo "Installed: virtualenv"
+else
+  echo "Satisfied: virtualenv"
+fi
+
+# Generate SSH key
+if [ ! -f ~/.ssh/id_rsa ]; then
+  read -rp "SSH email: " email
+  mkdir ~/.ssh
+  if [ $dry -eq 0 ]; then
+    ssh-keygen -t rsa -b 4096 -C "$email" -N "" -f ~/.ssh/id_rsa
+  fi
+  echo "Generated: SSH key"
+else
+  echo "Satisfied: SSH key"
+fi
+
+# GitHub public key
+env=$(mktemp -d)
+virtualenv $env &> /dev/null
+source $env/bin/activate
+pip install githubpy &> /dev/null
+python <(cat << EOF
+from __future__ import print_function
+from os import environ
+from os.path import join
+from getpass import getpass
+from github import GitHub
+
+
+def getinput(prompt):
+    try:
+        return raw_input(prompt)
+    except NameError:
+        return input(prompt)
+
+
+def main():
+    username = getinput('GitHub username: ')
+    password = getpass('GitHub password: ')
+    github = GitHub(username=username, password=password)
+    keys = github.user.keys().get()
+    id_rsa_pub_path = join(environ['HOME'], '.ssh', 'id_rsa.pub')
+    with open(id_rsa_pub_path, 'r') as id_rsa_pub_file:
+        local_key = id_rsa_pub_file.read()
+        for key in keys:
+            if local_key.startswith(key['key']):
+                print('Satisfied: GitHub public key')
+                exit(0)
+        title = getinput('GitHub key name: ')
+        github.user.keys().post(title=title, key=local_key)
+        print('Installed: GitHub public key')
+        exit(0)
+
+
+if __name__ == '__main__':
+    try:
+        main()
+    except KeyboardInterrupt:
+        exit(1)
+
+EOF
+)
+deactivate
+rm -r $env
+
+# Prompt user to setup other SSH key recipients
+echo '----------------------------------------------------------------------'
+cat ~/.ssh/id_rsa.pub
+echo '----------------------------------------------------------------------'
+read -rp "Set other SSH key recipients, press ENTER to continue: "
+
+# Install conduit
+if ! python -c 'import conduit' &> /dev/null; then
+  if [ $dry -eq 0 ]; then
+    pip install git+ssh://git@github.com:kbenzie/conduit.git
+  fi
+  echo "Installed: conduit"
+else
+  echo "Satisfied: conduit"
+fi
+
+echo "Completed: $0 will now be removed"
+if [ -f $0 ]; then rm $0; fi