Add bootstrap-Ubuntu.sh

usage: ./bootstrap-Ubuntu.sh [-h] [-y]

Bootstrap a Ubuntu or Linux Mint instance with:

* update apt cache
* upgrade apt packages
* git - from apt
* python - from apt
* python-pip - from apt
* 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
        -y              assume yes when prompted

bootstrap-Ubuntu.sh

@@ -0,0 +1,151 @@
+#!/bin/bash
+
+set -e
+
+show_usage() {
+  echo "usage: $0 [-h] [-d]"
+}
+
+show_help() {
+  show_usage
+  echo
+  echo "Bootstrap a Ubuntu or Linux Mint instance with:"
+  echo
+  echo "* update apt cache"
+  echo "* upgrade apt packages"
+  echo "* git - from apt"
+  echo "* python - from apt"
+  echo "* python-pip - from apt"
+  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 "        -y              assume yes when prompted"
+}
+
+yes=0
+
+while getopts 'hy' opt; do
+  case $opt in
+    h) show_help; exit 0 ;;
+    y) yes=1 ;;
+    *) show_usage; exit 1 ;;
+  esac
+done
+
+missing() {
+  which $1 &> /dev/null && return 1 || return 0
+}
+
+agree() {
+  local check=^[Nn]$
+  [ $yes -eq 1 ] && [[ ! "$2" =~ $check ]] && return 0
+  [[ "$2" =~ $check ]] && local default="[y/N]" || local default="[Y/n]"
+  read -p "$1 $default? " answer
+  case "$answer" in
+    y|Y|yes) return 0 ;;
+    n|N|no) return 1 ;;
+    '') [[ "$2" =~ $check ]] && return 1 || return 0 ;;
+    *) echo "invalid input: $answer" && return `agree "$1"` ;;
+  esac
+}
+
+apt_install() {
+  sudo apt-get install --yes --install-recommends $1 > /dev/null
+}
+
+pip_install() {
+  pip install --user $1 &> /dev/null
+}
+
+export PATH=~/.local/bin:$PATH
+
+agree "Update apt cache" && sudo apt-get update > /dev/null
+agree "Upgrade apt packages" "N" && sudo apt-get upgrade > /dev/null
+
+missing git && agree "Install git" && apt_install git
+
+if missing pip; then
+  agree "Install python-pip" && apt_install python-pip
+  agree "Upgrade pip with pip" && sudo -H pip install --upgrade pip > /dev/null
+fi
+
+missing virtualenv && agree "Install virtualenv" && pip_install virtualenv
+
+if [ ! -f ~/.ssh/id_rsa ] && agree "Generate SSH key"; then
+  read -rp "SSH email: " email
+  [ ! -d ~/.ssh ] && mkdir -p ~/.ssh
+  ssh-keygen -t rsa -b 4096 -C "$email" -N "" -f ~/.ssh/id_rsa
+fi
+
+if agree "GitHub public key"; then
+  env=$(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(130)
+
+EOF
+)
+  deactivate
+  rm -r $env
+fi
+
+# TODO: Gogs SSH key
+
+if [ -f ~/.ssh/id_rsa.pub ]; then
+  echo "----------------------------------------------------------------------"
+  cat ~/.ssh/id_rsa.pub
+  echo "----------------------------------------------------------------------"
+  read -rp "Set other SSH key recipients, press ENTER to continue: "
+fi
+
+missing conduit && agree "Install conduit" && \
+  pip_install git+ssh://git@github.com/kbenzie/conduit.git
+
+echo "To use install pip packages update your PATH:"
+echo 'export PATH=~/.local/bin:$PATH'
+
+[ -f $0 ] && agree "Remove $0" "N" && rm $0