Remove upgrade_bundler script by reverting 250062bd2, 3f2299e52 and 5dfac10599

.travis.yml

@@ -22,9 +22,6 @@ env:
     - CI_NODE_INDEX=3
     - CI_NODE_INDEX=4 KARMA="true" GITHUB_DEPLOY="true"
 
-before_install:
-  - ./script/upgrade_bundler.sh
-
 before_script:
   - cp config/database.travis.yml config/database.yml
   - cp config/application.yml.example config/application.yml

README.md

@@ -54,7 +54,6 @@ First, check your dependencies: Ensure that you have Ruby 2.1.5 installed:
 Install the project's gem dependencies:
 
     cd openfoodnetwork
-    ./script/upgrade_bundler.sh
     bundle install
 
 Configure the site:

script/upgrade_bundler.sh

@@ -1,29 +0,0 @@
-#!/bin/sh
-
-# This shell script looks for the last used Bundler version in Gemfile.lock and
-# installs exactly that version, removing other versions.
-
-# Fail if a single command fails.
-set -e
-
-# `grep -m 1`: find the first occurrence of "BUNDLED WITH"
-# `-A`:        print the next line after "BUNDLED WITH" as well
-# `-x -F`:     find exactly that string without interpreting regex
-# `tail -n 1`: take the last line, the version line
-# `tr -d`:     delete all spaces, the indent before the version
-version="$(grep -m 1 -A 1 -x -F "BUNDLED WITH" Gemfile.lock | tail -n 1  | tr -d '[:space:]')"
-
-if [ -z "$version" ]; then
-  echo "No bundler version in Gemfile.lock."
-  exit 1
-fi
-
-current="$(bundler --version)"
-
-if [ "$current" = "Bundler version $version" ]; then
-  echo "Already up-to-date: $current"
-  exit 0
-fi
-
-gem install bundler -v "$version"
-gem cleanup bundler