manage gem deps using bundler

.gitignore

@@ -1 +1,2 @@
 *.retry
+Gemfile.lock

Gemfile

@@ -0,0 +1,6 @@
+source 'https://rubygems.org'
+# Install Twitter CLI https://github.com/sferik/t
+gem 't'
+gem 'asciidoctor-pdf'
+#Previously installed using
+#sudo gem install -n /usr/local/bin asciidoctor-pdf --pre

dot_scripts/bootstrap.sh

@@ -10,8 +10,8 @@ sdk install java 8.0.202-zulu
 # Install dependencies (apps, fonts, ...) with Brew
 brew bundle
 
-# Install asciidoctor-pdf
-sudo gem install -n /usr/local/bin asciidoctor-pdf --pre
+# Install bundler for managing ruby dependencies and Gemfile
+sudo gem install bundler
 
 # Install Oh My Zsh and some cool dependencies
 sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

dot_scripts/upgrade.sh

@@ -3,8 +3,9 @@ brew update
 #brew upgrade
 brew outdated | xargs brew upgrade
 
-gem update --system
-gem update asciidoctor-pdf
+bundle update --all
+#gem update --system
+#gem update asciidoctor-pdf t
 upgrade_oh_my_zsh
 npm update -g jira-node-cli --save
 sudo pip install --upgrade pip