From 91e205f44e4cf5780afa06067d0757a11cce4389 Mon Sep 17 00:00:00 2001
From: Benie <benie@infektor.net>
Date: Tue, 17 Sep 2019 18:33:43 +0100
Subject: [PATCH] Add bootstrap-Arch.sh

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

Bootstrap an Arch Linux based distribution with:

* update pacman database
* upgrade pacman packages
* git - from pacman
* python-pip - from pacman
* python-virtualenv - from pacman
* SSH key - from ssh-keygen
* GitHub public key - with SSH key
* GitLab public key - with SSH key
* BitBucket Cloud public key - with SSH key
* Gogs 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
---
 README.md         |   6 +++
 bootstrap-Arch.sh | 105 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+)
 create mode 100755 bootstrap-Arch.sh

diff --git a/README.md b/README.md
index 86decb3..1e89790 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,12 @@ To bootstrap a Debian based Linux instance:
 $ wget https://code.infektor.net/config/bootstrap/raw/master/bootstrap-Debian.sh && chmod +x bootstrap-Debian.sh && ./bootstrap-Debian.sh
 ```
 
+To bootstrap a Arch Linux based instance:
+
+```console
+$ curl -O https://code.infektor.net/config/bootstrap/raw/master/bootstrap-Arch.sh && chmod +x bootstrap-Arch.sh && ./bootstrap-Arch.sh
+```
+
 To bootstrap a Windows instance:
 
 ```console
diff --git a/bootstrap-Arch.sh b/bootstrap-Arch.sh
new file mode 100755
index 0000000..7b1080a
--- /dev/null
+++ b/bootstrap-Arch.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+
+set -e
+
+show_usage() {
+  echo "usage: $0 [-h] [-y]"
+}
+
+show_help() {
+  show_usage
+  echo
+  echo "Bootstrap a Debian based distribution with:"
+  echo
+  echo "* update pacman cache"
+  echo "* upgrade pacman packages"
+  echo "* git - from pacman"
+  echo "* python-pip - from pacman"
+  echo "* virtualenv - from pacman"
+  echo "* SSH key - from ssh-keygen"
+  echo "* GitHub public key - with SSH key"
+  echo "* GitLab public key - with SSH key"
+  echo "* BitBucket Cloud public key - with SSH key"
+  echo "* Gogs Cloud 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
+}
+
+pacman_install() {
+  sudo pacman -S --needed --noconfirm $1 > /dev/null
+}
+
+pip_install() {
+  pip install --user $1 > /dev/null
+}
+
+export PATH=~/.local/bin:$PATH
+
+agree "Update pacman cache" && sudo pacman -Syy > /dev/null
+agree "Upgrade pacman packages" "N" && sudo pacman -Syu > /dev/null
+
+missing git && agree "Install git" && pacman_install git
+
+if missing pip; then
+  agree "Install python-pip" && pacman_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 "$email" -N "" -f ~/.ssh/id_rsa
+fi
+
+if ! missing virtualenv && agree "Set SSH keys on remote Git servers"; then
+  env=$(mktemp -d)
+  virtualenv $env > /dev/null
+  source $env/bin/activate
+  pip install git+https://code.infektor.net/config/bootstrap.git > /dev/null
+  python -c 'import bootstrap; bootstrap.set_ssh_keys()'
+  deactivate
+  rm -r $env
+fi
+
+missing conduit && agree "Install conduit" && \
+  pip_install git+ssh://git@github.com/kbenzie/conduit.git
+
+echo "To use installed pip packages update your PATH:"
+echo 'export PATH=~/.local/bin:$PATH'
+
+[ -f $0 ] && agree "Remove $0" "N" && rm $0 || exit 0