Install and configure rbenv

install-update-configure-rbenv.sh

#!/usr/bin/env sh

set -e

RBENV="$HOME/.rbenv"

# Clone/Update rbenv
[ -d "$RBENV" ] && ( cd "$RBENV"; git pull -q ) || \
    git clone -q https://github.com/sstephenson/rbenv.git "$RBENV"

# Add the plugins directory
[ -d "$RBENV/plugins" ] || mkdir -p "$RBENV/plugins"

# Clone/Update the ruby-build plugin
[ -d "$RBENV/plugins/ruby-build" ] && ( cd "$RBENV/plugins/ruby-build"; git pull -q ) || \
    git clone -q https://github.com/sstephenson/ruby-build.git "$RBENV/plugins/ruby-build"

# Clone/Update the rbenv-default-gems plugin
[ -d "$RBENV/plugins/rbenv-default-gems" ] && ( cd "$RBENV/plugins/rbenv-default-gems"; git pull -q ) || \
    git clone -q https://github.com/sstephenson/rbenv-default-gems.git "$RBENV/plugins/rbenv-default-gems"

# Configure the rbenv-default-gems plugin
[ -f "$RBENV/default-gems" ] || cat > "$RBENV/default-gems" <<EOF
bundler
EOF

# Clone/Update the rbenv-gem-rehash plugin
[ -d "$RBENV/plugins/rbenv-gem-rehash" ] && ( cd "$RBENV/plugins/rbenv-gem-rehash"; git pull -q ) || \
    git clone -q https://github.com/sstephenson/rbenv-gem-rehash.git "$RBENV/plugins/rbenv-gem-rehash"