Switch from RVM to rbenv

scripts/create-dev-env.sh

@@ -65,7 +65,7 @@ info() {
     cat<<EO
     edX base dir : $BASE
     Python virtualenv dir : $PYTHON_DIR
-    Ruby RVM dir : $RUBY_DIR
+    Ruby rbenv dir : $RBENV_ROOT
     Ruby ver : $RUBY_VER
 
 EO
@@ -106,7 +106,7 @@ set_base_default() {  # if PROJECT_HOME not set
 
     # See if remote's url is named edx-platform (this works for forks too, but
     # not if the name was changed).
-    cd "$( dirname "${BASH_SOURCE[0]}" )" 
+    cd "$( dirname "${BASH_SOURCE[0]}" )"
     this_repo=$(basename $(git ls-remote --get-url 2>/dev/null) 2>/dev/null) ||
         echo -n ""
 
@@ -131,9 +131,16 @@ BASE="${PROJECT_HOME:-$(set_base_default)}"
 # unless you've already got one set up with virtualenvwrapper.
 PYTHON_DIR=${WORKON_HOME:-"$HOME/.virtualenvs"}
 
-# RVM defaults its install to ~/.rvm, but use the overridden rvm_path
-# if that's what's preferred.
-RUBY_DIR=${rvm_path:-"$HOME/.rvm"}
+# Find rbenv root (~/.rbenv by default)
+if [ -z "${RBENV_ROOT}" ]; then
+  RBENV_ROOT="${HOME}/.rbenv"
+else
+  RBENV_ROOT="${RBENV_ROOT%/}"
+fi
+# Let the repo override the version of Ruby to install
+if [[ -r $BASE/edx-platform/.ruby-version ]]; then
+  RUBY_VER=`cat $BASE/edx-platform/.ruby-version`
+fi
 
 LOG="/var/tmp/install-$(date +%Y%m%d-%H%M%S).log"
 
@@ -245,11 +252,11 @@ case `uname -s` in
 
         distro=`lsb_release -cs`
         case $distro in
-            wheezy|jessie|maya|olivia|nadia|precise|quantal) 
+            wheezy|jessie|maya|olivia|nadia|precise|quantal)
                 if [[ ! $noninteractive ]]; then
                     warning "
                             Debian support is not fully debugged. Assuming you have standard
-                            development packages already working like scipy rvm, the 
+                            development packages already working like scipy, the
                             installation should go fine, but this is still a work in progress.
 
                             Please report issues you have and let us know if you are able to figure
@@ -259,7 +266,7 @@ case `uname -s` in
 
                     read dummy
                 fi
-                sudo apt-get install -yq git ;;  
+                sudo apt-get install -yq git ;;
             squeeze|lisa|katya|oneiric|natty|raring)
                 if [[ ! $noninteractive ]]; then
                     warning "
@@ -267,14 +274,11 @@ case `uname -s` in
                               While we don't technically support this release, the install
                               script will probably still work.
 
-                              Raring requires an install of rvm to work correctly as the raring
-                              package manager does not yet include a package for rvm
-
                               Press return to continue or control-C to abort"
                     read dummy
                 fi
                 sudo apt-get install -yq git
-                ;; 
+                ;;
 
             *)
                 error "Unsupported distribution - $distro"
@@ -318,7 +322,7 @@ EO
 esac
 
 
-# Clone MITx repositories
+# Clone edx repositories
 
 clone_repos
 
@@ -333,90 +337,39 @@ else
 fi
 
 # Install system-level dependencies
-
-output "Installing RVM, Ruby, and required gems"
-
-# If we're not installing RVM in the default location, then we'll do some
-# funky stuff to make sure that we load in the RVM stuff properly on login.
-if [ "$HOME/.rvm" != $RUBY_DIR ]; then
-  if ! grep -q "export rvm_path=$RUBY_DIR" ~/.rvmrc; then
-      if [[ -f $HOME/.rvmrc ]]; then
-          output "Copying existing .rvmrc to .rvmrc.bak"
-          cp $HOME/.rvmrc $HOME/.rvmrc.bak
-      fi
-      output "Creating $HOME/.rvmrc so rvm uses $RUBY_DIR"
-      echo "export rvm_path=$RUBY_DIR" > $HOME/.rvmrc
-  fi
+if [[ ! -d $RBENV_ROOT ]]; then
+    output "Installing rbenv"
+    git clone https://github.com/sstephenson/rbenv.git $RBENV_ROOT
 fi
-
-# Let the repo override the version of Ruby to install
-if [[ -r $BASE/edx-platform/.ruby-version ]]; then
-  RUBY_VER=`cat $BASE/edx-platform/.ruby-version`
+if [[ ! -d $RBENV_ROOT/plugins/ruby-build ]]; then
+    output "Installing ruby-build"
+    git clone https://github.com/sstephenson/ruby-build.git $RBENV_ROOT/plugins/ruby-build
 fi
-
-# rvm has issues in debian family, this is taken from stack overflow
-case `uname -s` in
-    Darwin)
-        curl -sSL get.rvm.io | bash -s -- --version 1.15.7
-    ;;
-
-    [Ll]inux)
-        warning "Setting up rvm on linux. This is a known pain point. If the script fails here
-                refer to the following stack overflow question:
-                http://stackoverflow.com/questions/9056008/installed-ruby-1-9-3-with-rvm-but-command-line-doesnt-show-ruby-v/9056395#9056395"
-        sudo apt-get --purge remove -yq ruby-rvm
-        sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
-        curl -sSL https://get.rvm.io | bash -s stable --ruby=$RUBY_VER --autolibs=enable --auto-dotfiles
-    ;;
-esac
-
-
-# Ensure we have RVM available as a shell function so that it can mess
-# with the environment and set everything up properly. The RVM install
-# process adds this line to login scripts, so this shouldn't be necessary
-# for the user to do each time.
-if [[ `type -t rvm` != "function" ]]; then
-  source $RUBY_DIR/scripts/rvm
+shelltype=$(basename $SHELL)
+if ! hash rbenv 2>/dev/null; then
+    output "Adding rbenv to \$PATH in ~/.${shelltype}rc"
+    echo "export PATH=\"$RBENV_ROOT/bin:\$PATH\"" >> $HOME/.${shelltype}rc
+    echo 'eval "$(rbenv init -)"' >> $HOME/.${shelltype}rc
+    export PATH="$RBENV_ROOT/bin:$PATH"
+    eval "$(rbenv init -)"
 fi
 
-# Ruby doesn't like to build with clang, which is the default on OS X, so
-# use gcc instead. This may not work, since if your gcc was installed with
-# XCode 4.2 or greater, you have an LLVM-based gcc, which also doesn't
-# always play nicely with Ruby, though it seems to be better than clang.
-# You may have to install apple-gcc42 using Homebrew if this doesn't work.
-# See `rvm requirements` for more information.
-case `uname -s` in
-    Darwin)
-        export CC=gcc
-        ;;
-esac
+if [[ ! -d $RBENV_ROOT/versions/$RUBY_VER ]]; then
+    output "Installing Ruby $RUBY_VER"
+    rbenv install $RUBY_VER
+    rbenv global $RUBY_VER
+fi
 
-# Current stable version of RVM (1.19.0) requires the following to build Ruby:
-#
-# autoconf automake libtool pkg-config libyaml libxml2 libxslt libksba openssl
-#
-# If we decide to upgrade from the current version (1.15.7), can run
-#
-# LESS="-E" rvm install $RUBY_VER --autolibs=3 --with-readline
-#
-# to have RVM look for a package manager like Homebrew and install any missing
-# libs automatically. RVM's --autolibs flag defaults to 2, which will fail if
-# any required libs are missing.
-LESS="-E" rvm install $RUBY_VER --with-readline
-
-# Create the "edx" gemset
-rvm use "$RUBY_VER@edx-platform" --create
-rvm rubygems latest
-
-output "Installing gem bundler"
-gem install bundler
+if ! hash bundle 2>/dev/null; then
+    output "Installing gem bundler"
+    gem install bundler
+fi
+rbenv rehash
 
 output "Installing ruby packages"
 bundle install --gemfile $BASE/edx-platform/Gemfile
 
-
 # Install Python virtualenv
-
 output "Installing python virtualenv"
 
 case `uname -s` in
@@ -528,7 +481,6 @@ pip install -r $BASE/edx-platform/requirements/edx/pre.txt
 output "Installing edX requirements"
 # Install prereqs
 cd $BASE/edx-platform
-rvm use "$RUBY_VER@edx-platform"
 rake install_prereqs
 
 # Final dependecy
@@ -559,11 +511,10 @@ if [[ ! $quiet ]]; then
    Success!!
 
    To start using Django you will need to activate the local Python
-   and Ruby environments. Ensure the following lines are added to your
+   environment. Ensure the following lines are added to your
    login script, and source your login script if needed:
 
         source `which virtualenvwrapper.sh`
-        source $RUBY_DIR/scripts/rvm
 
    Then, every time you're ready to work on the project, just run