maksimhn · August 29, 2015 14:24 · Jul 6, 2015 · Jun 22, 2015 · Jun 19, 2015 · Jun 19, 2015
diff --git a/gistfile1.md b/gistfile1.md
@@ -299,13 +299,9 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
 
     `rbenv install ruby-build`
 
-5. Install two versions of Ruby, 2.2.0 and 2.2.2, using the command
+5. Install version 2.2.0 of Ruby and make it the system-wide default using the command
 
-  `rbenv install 2.2.0 && rbenv install 2.2.2`
-
-  Make 2.2.0 the system-wide default using the command
-
-  `rbenv global 2.2.0`
+  `rbenv install 2.2.0 && rbenv global 2.2.0`
 
   You can see what versions of Ruby rbenv has downloaded by running `rbenv versions`; to see which version you are currently using, type either `rbenv version` or `ruby -v`.
   

diff --git a/gistfile1.md b/gistfile1.md
@@ -79,7 +79,8 @@ We're going to be installing Node next; Node (and its various packages) will be
   ##### Linux
   ```bash
   # NVM
-
+  export NVM_DIR="/home/your_username/.nvm"
+  [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"  # This loads NVM.
   ```
 
 3. Use NVM to install the latest stable version of Node

diff --git a/gistfile1.md b/gistfile1.md
@@ -53,7 +53,7 @@ In order for Homebrew to work, we'll need to rely on a number of programs that c
 
 # NVM and Node/NPM
 
-We're going to be installing Node next; Node (and its various packages) will be the foundation of a large part of the course. First, though, we're going to download a tool that allows us to maintain multiple different versions of Node, in case we want to switch between them for different projects. Then we'll download Node, and use its associated package manager, NPM, to download and install the following Node modules: 
+We're going to be installing Node next; Node (and its various packages) will be the foundation of a large part of the course. First, though, we're going to download a tool called [NVM](https://github.com/creationix/nvm) that allows us to maintain multiple different versions of Node, in case we want to switch between them for different projects. Then we'll download Node, and use its associated package manager, NPM, to download and install the following Node modules: 
   * JShint, a tool for testing JavaScript code quality. (`jshint`)
   * Grunt, a tool for automating background tasks. (`grunt-cli`)
   * Bower, a tool for managing front-end assets and libraries, such as jQuery. (`bower`)

diff --git a/gistfile1.md b/gistfile1.md
@@ -70,14 +70,14 @@ We're going to be installing Node next; Node (and its various packages) will be
 2. Add the following snippets to your bash configuration files (`.bash_profile` on OS X, `.bashrc` on Linux).
 
   ##### OS X
-  ```
+  ```bash
   # NVM
   export NVM_DIR=~/.nvm
   source $(brew --prefix nvm)/nvm.sh
   ```
 
   ##### Linux
-  ```
+  ```bash
   # NVM
 
   ```

diff --git a/gistfile1.md b/gistfile1.md
@@ -86,8 +86,7 @@ We're going to be installing Node next; Node (and its various packages) will be
 
   `nvm install stable`  
 
-4. Finally, use NPM to install some other Node modules that we'll be using across multiple projects. Enter the following command into the terminal to install all four of the packages mentioned earlier.
-
+4. Finally, use NPM to install the Node modules mentioned earlier and make them available across all of our projects.
   `npm install -g jshint grunt-cli bower yo` 
 
 #Sublime Text 3

diff --git a/gistfile1.md b/gistfile1.md
@@ -59,7 +59,6 @@ We're going to be installing Node next; Node (and its various packages) will be
   * Bower, a tool for managing front-end assets and libraries, such as jQuery. (`bower`)
   * Yeoman, a scaffolding tool to make building projects easier. (`yo`)
 
-##Installing NVM and Node/NPM
 1. Run one of the following commands to install NVM.
 
   ##### OS X

diff --git a/gistfile1.md b/gistfile1.md
@@ -54,10 +54,10 @@ In order for Homebrew to work, we'll need to rely on a number of programs that c
 # NVM and Node/NPM
 
 We're going to be installing Node next; Node (and its various packages) will be the foundation of a large part of the course. First, though, we're going to download a tool that allows us to maintain multiple different versions of Node, in case we want to switch between them for different projects. Then we'll download Node, and use its associated package manager, NPM, to download and install the following Node modules: 
-  * JShint, a tool for testing JavaScript code quality.
-  * Grunt, a tool for automating background tasks.
-  * Bower, a tool for managing front-end assets and libraries, such as jQuery.
-  * Yeoman, a scaffolding tool to make building projects easier. 
+  * JShint, a tool for testing JavaScript code quality. (`jshint`)
+  * Grunt, a tool for automating background tasks. (`grunt-cli`)
+  * Bower, a tool for managing front-end assets and libraries, such as jQuery. (`bower`)
+  * Yeoman, a scaffolding tool to make building projects easier. (`yo`)
 
 ##Installing NVM and Node/NPM
 1. Run one of the following commands to install NVM.
@@ -87,8 +87,7 @@ We're going to be installing Node next; Node (and its various packages) will be
 
   `nvm install stable`  
 
-4. Finally, use NPM to install other Node modules that we'll be using across multiple projects.
-  Enter the following command into the terminal to install all four of the packages mentioned earlier.
+4. Finally, use NPM to install some other Node modules that we'll be using across multiple projects. Enter the following command into the terminal to install all four of the packages mentioned earlier.
 
   `npm install -g jshint grunt-cli bower yo` 
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -61,22 +61,36 @@ We're going to be installing Node next; Node (and its various packages) will be
 
 ##Installing NVM and Node/NPM
 1. Run one of the following commands to install NVM.
+
   ##### OS X
   `brew install nvm`
 
   ##### Linux
   `sudo apt-get install npm`
-2. Install the latest version of Node (as of 
-## Installing Other JS-Related Tools
-Just enter the following commands into the terminal.
 
-`npm install -g jshint`
+2. Add the following snippets to your bash configuration files (`.bash_profile` on OS X, `.bashrc` on Linux).
 
-`npm install -g grunt-cli`
+  ##### OS X
+  ```
+  # NVM
+  export NVM_DIR=~/.nvm
+  source $(brew --prefix nvm)/nvm.sh
+  ```
+
+  ##### Linux
+  ```
+  # NVM
+  
+  ```
+
+3. Use NVM to install the latest stable version of Node
+
+  `nvm install stable`  
 
-`npm install -g bower`
+4. Finally, use NPM to install other Node modules that we'll be using across multiple projects.
+  Enter the following command into the terminal to install all four of the packages mentioned earlier.
 
-`npm install -g yo`
+  `npm install -g jshint grunt-cli bower yo` 
 
 #Sublime Text 3
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -1,3 +1,10 @@
+<!--
+# Instructor Notes 
+Ruby Version : 2.2.0 (with 2.2.2 as a backup)
+Node Version : 0.12.4 
+Postgres Version : 9.4.3 (9.4.2 server)
+-->
+
 # Before you come in...
 **OS X**
 
@@ -350,8 +357,3 @@ Next, we'll download Postgres, the database program we'll be using for most of t
 
 #CONGRATULATIONS! YOU'RE READY TO ROLL!
 
-##### Instructor Notes 
-Ruby Version : 2.2.0 (with 2.2.2 as a backup)
-Node Version : 0.12.4 
-Postgres Version : 9.4.3 (9.4.2 server)
-
diff --git a/gistfile1.md b/gistfile1.md
@@ -1,9 +1,3 @@
-<!-- 
-Last Updated : 2015-04-16
-Ruby Version : 2.2.2
-Postgres Version : 9.4.x
--->
-
 # Before you come in...
 **OS X**
 
@@ -50,20 +44,22 @@ In order for Homebrew to work, we'll need to rely on a number of programs that c
 
 4. Once Homebrew says `Your system is ready to brew`, run  `brew update` to update Homebrew's directory of packages.
 
-# Node/NPM
+# NVM and Node/NPM
 
-We're going to be installing Node next; Node (and its various packages) will be the foundation of a large part of the course. These packages get managed through a tool called NPM. Right now, we'll use NPM to install the following tools: 
+We're going to be installing Node next; Node (and its various packages) will be the foundation of a large part of the course. First, though, we're going to download a tool that allows us to maintain multiple different versions of Node, in case we want to switch between them for different projects. Then we'll download Node, and use its associated package manager, NPM, to download and install the following Node modules: 
   * JShint, a tool for testing JavaScript code quality.
   * Grunt, a tool for automating background tasks.
   * Bower, a tool for managing front-end assets and libraries, such as jQuery.
   * Yeoman, a scaffolding tool to make building projects easier. 
 
-##Installing Node/NPM
-Run one of the following commands.
-##### OS X
-`brew install node`
-##### Linux
-`sudo apt-get install npm`
+##Installing NVM and Node/NPM
+1. Run one of the following commands to install NVM.
+  ##### OS X
+  `brew install nvm`
+
+  ##### Linux
+  `sudo apt-get install npm`
+2. Install the latest version of Node (as of 
 ## Installing Other JS-Related Tools
 Just enter the following commands into the terminal.
 
@@ -353,3 +349,9 @@ Next, we'll download Postgres, the database program we'll be using for most of t
 [Download and install Evernote](https://evernote.com/evernote/)
 
 #CONGRATULATIONS! YOU'RE READY TO ROLL!
+
+##### Instructor Notes 
+Ruby Version : 2.2.0 (with 2.2.2 as a backup)
+Node Version : 0.12.4 
+Postgres Version : 9.4.3 (9.4.2 server)
+
diff --git a/gistfile1.md b/gistfile1.md
@@ -340,7 +340,7 @@ Next, we'll download Postgres, the database program we'll be using for most of t
   
   #####OS X
   
-  Let's create a new terminal shortcut, just like we did with Sublime Text. 
+  Create a new terminal shortcut, just like we did with Sublime Text. 
   `ln -s /Applications/Postgres.app/Contents/Versions/9.4/bin/psql /usr/local/bin/psql`
   
   #####Linux

diff --git a/gistfile1.md b/gistfile1.md
@@ -336,7 +336,7 @@ Next, we'll download Postgres, the database program we'll be using for most of t
   
   See [https://help.ubuntu.com/community/PostgreSQL](https://help.ubuntu.com/community/PostgreSQL) if you run into any issues with the installation.
 
-3. Terminal Shortcut Time! 
+3. It's terminal shortcut time! Let's configure a `psql` shortcut so that we can run Postgres from the command line.
   
   #####OS X
   

diff --git a/gistfile1.md b/gistfile1.md
@@ -284,13 +284,13 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
 
     `rbenv install ruby-build`
 
-5. Install the latest version of Ruby (2.2.2, as of 2015-04-16) using the command
+5. Install two versions of Ruby, 2.2.0 and 2.2.2, using the command
 
-  `rbenv install 2.2.2`
+  `rbenv install 2.2.0 && rbenv install 2.2.2`
 
-  and make it the system-wide default using the command
+  Make 2.2.0 the system-wide default using the command
 
-  `rbenv global 2.2.2`
+  `rbenv global 2.2.0`
 
   You can see what versions of Ruby rbenv has downloaded by running `rbenv versions`; to see which version you are currently using, type either `rbenv version` or `ruby -v`.
   

diff --git a/gistfile1.md b/gistfile1.md
@@ -340,12 +340,12 @@ Next, we'll download Postgres, the database program we'll be using for most of t
   
   #####OS X
   
-  (OS X Only) Let's create a terminal shortcut, just like we did with Sublime Text. 
+  Let's create a new terminal shortcut, just like we did with Sublime Text. 
   `ln -s /Applications/Postgres.app/Contents/Versions/9.4/bin/psql /usr/local/bin/psql`
   
   #####Linux
   
-  Add the existing shortcut to the environmental PATH variable.
+  Linux already has a shortcut set up for us; just add the existing shortcut to the environmental PATH variable.
   `echo "export PATH=/usr/local/psql/bin:$PATH" >> ~/.bashrc`
 
 # Evernote

diff --git a/gistfile1.md b/gistfile1.md
@@ -324,19 +324,29 @@ Next, we'll download Postgres, the database program we'll be using for most of t
     
 2. Once you've installed Postgres, install the postgres gem from the command line so that Ruby can access it.
   
+  #####OS X
   `gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config`
   
+  #####Linux
+  `gem install pg`
+
   Linux folks must also specify a default database user, using the following command:
   
   `sudo -u postgres createuser *<ubuntu_username>* -s`
   
   See [https://help.ubuntu.com/community/PostgreSQL](https://help.ubuntu.com/community/PostgreSQL) if you run into any issues with the installation.
 
-3. (OS X Only) Let's create a terminal shortcut, just like we did with Sublime Text. 
+3. Terminal Shortcut Time! 
+  
+  #####OS X
+  
+  (OS X Only) Let's create a terminal shortcut, just like we did with Sublime Text. 
   `ln -s /Applications/Postgres.app/Contents/Versions/9.4/bin/psql /usr/local/bin/psql`
   
-4. (Linux Only) Add the existing shortcut to the environmental PATH variable.
-    `echo "export PATH=/usr/local/psql/bin:$PATH" >> ~/.bash_profile`
+  #####Linux
+  
+  Add the existing shortcut to the environmental PATH variable.
+  `echo "export PATH=/usr/local/psql/bin:$PATH" >> ~/.bashrc`
 
 # Evernote
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -258,6 +258,8 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
     fi
     ```
 
+  Once you've done this, run `source ~/.bash_profile` (or `.bashrc` on Linux) to reload the terminal's settings.
+
 3. (OS X only) Install a tool to re-hash gems after each installation (Linux users, unfortunately must do this manually).
 
     `brew install rbenv-gem-rehash`

diff --git a/gistfile1.md b/gistfile1.md
@@ -60,9 +60,9 @@ We're going to be installing Node next; Node (and its various packages) will be
 
 ##Installing Node/NPM
 Run one of the following commands.
-####OS X
+##### OS X
 `brew install node`
-####Linux
+##### Linux
 `sudo apt-get install npm`
 ## Installing Other JS-Related Tools
 Just enter the following commands into the terminal.

diff --git a/gistfile1.md b/gistfile1.md
@@ -77,15 +77,15 @@ Just enter the following commands into the terminal.
 
 #Sublime Text 3
 
-#### OS X
+##### OS X
 
 * Download the latest Sublime Text build from [http://www.sublimetext.com/3](http://www.sublimetext.com/3).
 * Double-click the .dmg file to open it, and drag the icon into your 'Applications' folder.
 * Next, enter the following into your terminal - it will create a 'symlink', a shortcut that we can use to open Sublime from the command line.
 
  `ln -s /Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl /usr/local/bin/subl`
 
-#### Linux
+##### Linux
 
 * Add the PPA (personal package archive) for SublimeText 3 to `apt` and update your package directory.
 
@@ -172,7 +172,7 @@ Now let's take care of some settings.
       export PS1="\w \$(parse_git_branch)\$ "
     ```
 
-  #####Linux
+  ##### Linux
   Follow the instructions given for OS X, but replace `.bash_profile` with `.bashrc`
 
 - Tweak Git's EDITOR variable so that commit message pop-ups open in Sublime.
@@ -223,11 +223,11 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
 
 1. Install Rbenv
 
-  ####OS X
+  #####OS X
     
     Run `brew install rbenv`. 
     
-  ####Linux 
+  #####Linux 
     
     Copy and paste this entire line into your terminal and run it.
 
@@ -312,11 +312,11 @@ Next, we'll download Postgres, the database program we'll be using for most of t
 
 1. First, download and install Postgres.
   
-  ####OS X
+  #####OS X
   
   Download and install the Postgress App : http://postgresapp.com/
   
-  ####Linux
+  #####Linux
   
   Run `sudo apt-get install postgresql libpq-dev` to install Postgres and its dependencies.
     

diff --git a/gistfile1.md b/gistfile1.md
@@ -173,7 +173,7 @@ Now let's take care of some settings.
     ```
 
   #####Linux
-  Follow the instructions given for OS X, but replace `.bash_profile` with `.bashrc`.
+  Follow the instructions given for OS X, but replace `.bash_profile` with `.bashrc`
 
 - Tweak Git's EDITOR variable so that commit message pop-ups open in Sublime.
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -160,7 +160,7 @@ Now let's take care of some settings.
 
 - Show the current Git branch in the terminal prompt
 
-  #### OS X
+  ##### OS X
   Run the command `subl ~/.bash_profile` to open up .bash_profile, a hidden settings file for the terminal. Paste the following code into the bottom of the file.
 
     ```bash
@@ -172,7 +172,7 @@ Now let's take care of some settings.
       export PS1="\w \$(parse_git_branch)\$ "
     ```
 
-  ####Linux
+  #####Linux
   Follow the instructions given for OS X, but replace `.bash_profile` with `.bashrc`.
 
 - Tweak Git's EDITOR variable so that commit message pop-ups open in Sublime.
@@ -235,7 +235,7 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
 
 2. Tell Rbenv to use homebrew's directories instead of rbenv's
   
-  ####OS X
+  #####OS X
   Open ~/.bash_profile and paste in the following code BEFORE the stuff you pasted in about Git.
   
     ```bash
@@ -245,7 +245,7 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
     eval "$(rbenv init -)"
     ```
   
-  ####Linux 
+  #####Linux 
   
     Open ~/.bashrc and paste in the following code BEFORE the stuff you pasted in about Git.
 
@@ -272,11 +272,11 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
   
 5. Install `ruby-build`, a plugin for rbenv.
   
-  ####OS X
+  #####OS X
 
     `brew install ruby-build`
     
-  ####Linux
+  #####Linux
 
     `git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build`
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -160,6 +160,7 @@ Now let's take care of some settings.
 
 - Show the current Git branch in the terminal prompt
 
+  #### OS X
   Run the command `subl ~/.bash_profile` to open up .bash_profile, a hidden settings file for the terminal. Paste the following code into the bottom of the file.
 
     ```bash
@@ -171,6 +172,9 @@ Now let's take care of some settings.
       export PS1="\w \$(parse_git_branch)\$ "
     ```
 
+  ####Linux
+  Follow the instructions given for OS X, but replace `.bash_profile` with `.bashrc`.
+
 - Tweak Git's EDITOR variable so that commit message pop-ups open in Sublime.
 
   `echo "export EDITOR='subl -w'" >> ~/.bash_profile` 
@@ -232,7 +236,6 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
 2. Tell Rbenv to use homebrew's directories instead of rbenv's
   
   ####OS X
-
   Open ~/.bash_profile and paste in the following code BEFORE the stuff you pasted in about Git.
   
     ```bash

diff --git a/gistfile1.md b/gistfile1.md
@@ -73,7 +73,7 @@ Just enter the following commands into the terminal.
 
 `npm install -g bower`
 
-`npm install -g yeoman`
+`npm install -g yo`
 
 #Sublime Text 3
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -54,9 +54,9 @@ In order for Homebrew to work, we'll need to rely on a number of programs that c
 
 We're going to be installing Node next; Node (and its various packages) will be the foundation of a large part of the course. These packages get managed through a tool called NPM. Right now, we'll use NPM to install the following tools: 
   * JShint, a tool for testing JavaScript code quality.
-  * Yeoman, a scaffolding tool to make building projects easier. 
   * Grunt, a tool for automating background tasks.
   * Bower, a tool for managing front-end assets and libraries, such as jQuery.
+  * Yeoman, a scaffolding tool to make building projects easier. 
 
 ##Installing Node/NPM
 Run one of the following commands.
@@ -69,12 +69,12 @@ Just enter the following commands into the terminal.
 
 `npm install -g jshint`
 
-`npm install -g yeoman`
-
 `npm install -g grunt-cli`
 
 `npm install -g bower`
 
+`npm install -g yeoman`
+
 #Sublime Text 3
 
 #### OS X

diff --git a/gistfile1.md b/gistfile1.md
@@ -66,9 +66,13 @@ Run one of the following commands.
 `sudo apt-get install npm`
 ## Installing Other JS-Related Tools
 Just enter the following commands into the terminal.
+
 `npm install -g jshint`
+
 `npm install -g yeoman`
+
 `npm install -g grunt-cli`
+
 `npm install -g bower`
 
 #Sublime Text 3

diff --git a/gistfile1.md b/gistfile1.md
@@ -323,9 +323,11 @@ Next, we'll download Postgres, the database program we'll be using for most of t
   
   See [https://help.ubuntu.com/community/PostgreSQL](https://help.ubuntu.com/community/PostgreSQL) if you run into any issues with the installation.
 
-3. (Linux-Only) Let's create a terminal shortcut, just like we did with Sublime Text. 
+3. (OS X Only) Let's create a terminal shortcut, just like we did with Sublime Text. 
+  `ln -s /Applications/Postgres.app/Contents/Versions/9.4/bin/psql /usr/local/bin/psql`
   
-    `echo "export PATH=$PATH:/usr/local/psql/bin:$PATH" >> ~/.bash_profile`
+4. (Linux Only) Add the existing shortcut to the environmental PATH variable.
+    `echo "export PATH=/usr/local/psql/bin:$PATH" >> ~/.bash_profile`
 
 # Evernote
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -1,6 +1,7 @@
 <!-- 
 Last Updated : 2015-04-16
 Ruby Version : 2.2.2
+Postgres Version : 9.4.x
 -->
 
 # Before you come in...

diff --git a/gistfile1.md b/gistfile1.md
@@ -314,7 +314,7 @@ Next, we'll download Postgres, the database program we'll be using for most of t
     
 2. Once you've installed Postgres, install the postgres gem from the command line so that Ruby can access it.
   
-  `ggem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config`
+  `gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config`
   
   Linux folks must also specify a default database user, using the following command:
   

diff --git a/gistfile1.md b/gistfile1.md
@@ -314,7 +314,7 @@ Next, we'll download Postgres, the database program we'll be using for most of t
     
 2. Once you've installed Postgres, install the postgres gem from the command line so that Ruby can access it.
   
-  `gem install pg`
+  `ggem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config`
   
   Linux folks must also specify a default database user, using the following command:
   

diff --git a/gistfile1.md b/gistfile1.md
@@ -158,6 +158,7 @@ Now let's take care of some settings.
   Run the command `subl ~/.bash_profile` to open up .bash_profile, a hidden settings file for the terminal. Paste the following code into the bottom of the file.
 
     ```bash
+      # Git
       function parse_git_branch {
         ref=$(git symbolic-ref HEAD 2> /dev/null) || return
         echo "("${ref#refs/heads/}")"
@@ -227,19 +228,21 @@ Rbenv is a tool that we can use to manage multiple versions of Ruby and determin
   
   ####OS X
 
-  Open ~/.bash_profile and paste in the following code at the bottom.
+  Open ~/.bash_profile and paste in the following code BEFORE the stuff you pasted in about Git.
   
     ```bash
+    # Rbenv
     export RBENV_ROOT=/usr/local/var/rbenv
     export PATH="$HOME/.rbenv/bin:$PATH"
     eval "$(rbenv init -)"
     ```
   
   ####Linux 
   
-    Open ~/.bashrc and paste in the following code:
+    Open ~/.bashrc and paste in the following code BEFORE the stuff you pasted in about Git.
 
     ```bash
+    # Rbenv
     export RBENV_ROOT="${HOME}/.rbenv"
     if [ -d "${RBENV_ROOT}" ]; then
       export PATH="${RBENV_ROOT}/bin:${PATH}"
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