From 8ab709a43e1f1838d14f5d546b52bfb329e053eb Mon Sep 17 00:00:00 2001
From: rkiel <cygnus@pobox.com>
Date: Thu, 9 Nov 2017 09:43:22 -0500
Subject: [PATCH] installer: refactor install

---
 README.md                      | 35 ++-----------
 install/bin/setup              | 10 ++++
 install/lib/setup/commander.rb | 91 ++++++++++++++++++++++++++++++++++
 install => setup               |  0
 4 files changed, 104 insertions(+), 32 deletions(-)
 create mode 100755 install/bin/setup
 create mode 100644 install/lib/setup/commander.rb
 rename install => setup (100%)

diff --git a/README.md b/README.md
index ac7c499..02d4daa 100644
--- a/README.md
+++ b/README.md
@@ -26,42 +26,13 @@ cd ~/GitHub/rkiel
 git clone https://github.com/rkiel/git-utilities.git
 ```
 
-To add the scripts to your path, add the following to `.bash_profile`
+To update your `.bash_profile` and `.bashrc`.
 
 ```
-export GIT_UTILITIES_BIN="~/GitHub/rkiel/git-utilities/bin"
-
-export PATH=${GIT_UTILITIES_BIN}:$PATH
+cd ~/GitHub/rkiel/git-utilities
+./install/bin/setup --user rkiel
 ```
 
-To enable `bash` tab completion for `git` commands, add the following to `.bash_profile` (OS X) or `.bashrc` (Linux)
-
-```
-source ~/GitHub/rkiel/git-utilities/dotfiles/git-completion.bash
-```
-
-To enable your `bash` prompt to display repository status, add the following to `.bash_profile` (OS X) or `.bashrc` (Linux).
-```
-source ~/GitHub/rkiel/git-utilities/dotfiles/git-prompt.sh
-```
-
-Here's a sample prompt that includes the current branch (i.e. `$(__git_ps1 " %s")`)
-
-```
-export PS1='[\[\e[0;35m\]\u@\h\[\e[0m\] \[\e[1;34m\]\W\[\e[0;32m\]$(__git_ps1 " %s")\[\e[0m\]]\$ '
-```
-
-To include the `bash` aliases and enable tab completion for the `feature` script, add the following to `.bashrc`.
-
-```
-source ~/GitHub/rkiel/git-utilities/dotfiles/bashrc
-```
-
-If your user id (i.e. `env|grep USER`) is generic, such as `ec2-user` or `centos` or `ubuntu`, set a `FEATURE_USER` environment variable in your `.bash_profile`.  Either your `USER` or `FEATURE_USER` should be unique relative to all the users who will be creating feature branches in your git repository.
-
-```
-export FEATURE_USER=rkiel
-```
 ## Documention
 
 * [See feature](FEATURE.md)
diff --git a/install/bin/setup b/install/bin/setup
new file mode 100755
index 0000000..8b9603e
--- /dev/null
+++ b/install/bin/setup
@@ -0,0 +1,10 @@
+#!/usr/bin/env ruby
+
+require_relative '../lib/setup/commander'
+
+commander = Setup::Commander.new(ARGV)
+if commander.valid?
+  commander.execute
+else
+  commander.help
+end
diff --git a/install/lib/setup/commander.rb b/install/lib/setup/commander.rb
new file mode 100644
index 0000000..9c069b5
--- /dev/null
+++ b/install/lib/setup/commander.rb
@@ -0,0 +1,91 @@
+require 'ostruct'
+require 'optparse'
+require 'json'
+
+module Setup
+
+  class Commander
+
+    attr_accessor :options
+
+    def initialize (argv)
+      @options = OpenStruct.new
+
+      @option_parser = OptionParser.new do |op|
+        op.banner = "Usage: setup options"
+
+        op.on('-u','--user USER') do |argument|
+          options.user = argument
+        end
+
+        op.on_tail('-h','--help') do |argument|
+          puts op
+          exit
+        end
+      end
+
+      @option_parser.parse!(argv)
+      options.terms = argv # must be after parse!
+    end
+
+    def valid?
+      options.user
+    end
+
+    def help
+      puts @option_parser
+      exit
+    end
+
+    def execute
+      action = options.action
+
+
+      File.open("#{ENV['HOME']}/.bash_profile", "a") do |f|
+        f.puts
+        f.puts '#############################################################'
+        f.puts "# added by ~/GitHub/rkiel/git-utilities/install/bin/setup"
+        f.puts '#############################################################'
+        f.puts 'export GIT_UTILITIES_BIN="~/GitHub/rkiel/git-utilities/bin"'
+        f.puts 'export PATH=${GIT_UTILITIES_BIN}:$PATH'
+        f.puts 'source ~/GitHub/rkiel/git-utilities/dotfiles/git-completion.bash'
+        f.puts 'source ~/GitHub/rkiel/git-utilities/dotfiles/git-prompt.sh'
+        f.puts "export FEATURE_USER=#{options.user}" if options.user
+        f.puts '#############################################################'
+        f.puts
+      end
+
+      File.open("#{ENV['HOME']}/.bashrc", "a") do |f|
+        f.puts
+        f.puts '#############################################################'
+        f.puts "# added by ~/GitHub/rkiel/git-utilities/install/bin/setup"
+        f.puts '#############################################################'
+        f.puts 'source ~/GitHub/rkiel/git-utilities/dotfiles/bashrc'
+        f.puts '#############################################################'
+        f.puts
+      end
+
+    end
+
+    private
+
+    def run_cmd ( cmd )
+      puts
+      puts cmd
+      success = system cmd
+      unless success
+        error "(see above)"
+      end
+      puts
+    end
+
+    def error ( msg )
+      puts
+      puts "ERROR: #{msg}"
+      puts
+      exit
+    end
+
+  end
+
+end
diff --git a/install b/setup
similarity index 100%
rename from install
rename to setup