Merge pull request #3736 from MikeMcQuaid/travis-config-tweaks

.travis.yml: make configuration tweaks.

.travis.yml

@@ -1,10 +1,10 @@
-language: ruby
-rvm: system
+language: c
 cache:
   directories:
     - $HOME/.gem/ruby
     - $HOME/Library/Caches/Homebrew/style
     - $HOME/Library/Caches/Homebrew/tests
+    - $HOME/Library/Homebrew/vendor/bundle
 branches:
   only:
     - master
@@ -12,33 +12,47 @@ matrix:
   fast_finish: true
   include:
     - os: osx
-      osx_image: xcode9
+      compiler: clang
+      osx_image: xcode9.2
     - os: linux
+      compiler: gcc
       sudo: false
 
 before_install:
-  - export HOMEBREW_NO_AUTO_UPDATE=1
-  - export HOMEBREW_DEVELOPER=1
-  - export HOMEBREW_FORCE_VENDOR_RUBY=1
   - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then
+      MACOS="1";
       HOMEBREW_REPOSITORY="$(brew --repo)";
-      sudo chown -R "$USER" "$HOMEBREW_REPOSITORY/Library/Taps";
+      sudo chown -R "$USER" "$HOMEBREW_REPOSITORY";
+    else
+      LINUX="1";
+      export PATH="$PWD/bin:$PATH";
+    fi
+  # umask 022 fixes Linux `brew tests` failures;
+  - if [ "$LINUX" ]; then
+      umask 022;
+    fi
+  # trigger vendored ruby installation
+  - brew help
+  - if [ "$MACOS" ]; then
       mv "$HOMEBREW_REPOSITORY/Library/Taps" "$PWD/Library";
-      git -C Library/Taps/homebrew/homebrew-core fetch --force origin;
-      git -C Library/Taps/homebrew/homebrew-core checkout --force -B master origin/master;
       sudo rm -rf "$HOMEBREW_REPOSITORY";
       sudo ln -s "$PWD" "$HOMEBREW_REPOSITORY";
-      git clone --depth=1 https://github.com/Homebrew/homebrew-test-bot Library/Taps/homebrew/homebrew-test-bot;
     else
-      umask 022;
-      git fetch --unshallow;
-      export PATH="$PWD/bin:$PATH";
       HOMEBREW_CORE_TAP_DIR="$(brew --repo "homebrew/core")";
       mkdir -p "$HOMEBREW_CORE_TAP_DIR";
-      git clone --depth=1 https://github.com/Homebrew/homebrew-test-bot Library/Taps/homebrew/homebrew-test-bot;
+    fi
+  - if [ "$MACOS" ]; then
+      travis_retry git -C Library/Taps/homebrew/homebrew-core fetch --depth=1 origin;
+    fi
+  - travis_retry git clone --depth=1 https://github.com/Homebrew/homebrew-test-bot Library/Taps/homebrew/homebrew-test-bot
+  - if [ "$LINUX" ]; then
       HOMEBREW_TEST_BOT_TAP_DIR="$(brew --repo "homebrew/test-bot")";
       ln -s "$HOMEBREW_TEST_BOT_TAP_DIR/.git" "$HOMEBREW_TEST_BOT_TAP_DIR/Formula" "$HOMEBREW_CORE_TAP_DIR";
     fi
+  # can be removed after 1.5.3 is tagged
+  - if [ "$LINUX" ]; then
+      export HOMEBREW_FORCE_VENDOR_RUBY=1;
+    fi
 
 script:
   - brew test-bot

Library/Homebrew/brew.sh

@@ -69,16 +69,6 @@ then
   odie "Cowardly refusing to continue at this prefix: $HOMEBREW_PREFIX"
 fi
 
-# Save values to use for installing gems
-if [[ -n "$GEM_HOME" ]]
-then
-  export HOMEBREW_GEM_HOME="$GEM_HOME"
-fi
-if [[ -n "$GEM_PATH" ]]
-then
-  export HOMEBREW_GEM_PATH="$GEM_PATH"
-fi
-
 HOMEBREW_SYSTEM="$(uname -s)"
 case "$HOMEBREW_SYSTEM" in
   Darwin) HOMEBREW_MACOS="1" ;;

Library/Homebrew/dev-cmd/tap-new.rb

@@ -44,39 +44,28 @@ module Homebrew
     write_path(tap, "README.md", readme)
 
     travis = <<~EOS
-      language: ruby
+      language: c
       os: osx
-      env: OSX=10.12
-      osx_image: xcode8.3
-      rvm: system
+      compiler: clang
+      osx_image: xcode9.2
       cache:
         directories:
           - $HOME/.gem/ruby
           - Library/Homebrew/vendor/bundle
+      branches:
+        only:
+          - master
 
       before_install:
-        - export TRAVIS_COMMIT="$(git rev-parse --verify -q HEAD)"
-        - if [ -f ".git/shallow" ]; then
-            travis_retry git fetch --unshallow;
-          fi
-        - HOMEBREW_REPOSITORY="$(brew --repo)"
-        - sudo chown -R "$USER" "$HOMEBREW_REPOSITORY"
-        - git -C "$HOMEBREW_REPOSITORY" reset --hard origin/master
-        - brew update || brew update
+        - sudo chown -R "$USER" "$(brew --repo)"
+        - travis_retry brew update
         - HOMEBREW_TAP_DIR="$(brew --repo "$TRAVIS_REPO_SLUG")"
         - mkdir -p "$HOMEBREW_TAP_DIR"
         - rm -rf "$HOMEBREW_TAP_DIR"
         - ln -s "$PWD" "$HOMEBREW_TAP_DIR"
-        - export HOMEBREW_DEVELOPER="1"
-        - ulimit -n 1024
 
       script:
         - brew test-bot
-
-      notifications:
-        email:
-          on_success: never
-          on_failure: always
     EOS
     write_path(tap, ".travis.yml", travis)
   end

Library/Homebrew/utils.rb

@@ -196,15 +196,8 @@ module Homebrew
   end
 
   def install_gem_setup_path!(name, version = nil, executable = name)
-    # Respect user's preferences for where gems should be installed.
-    ENV["GEM_HOME"] = if ENV["HOMEBREW_GEM_HOME"].to_s.empty?
-      Gem.user_dir
-    else
-      ENV["HOMEBREW_GEM_HOME"]
-    end
-    unless ENV["HOMEBREW_GEM_PATH"].to_s.empty?
-      ENV["GEM_PATH"] = ENV["HOMEBREW_GEM_PATH"]
-    end
+    # Match where our bundler gems are.
+    ENV["GEM_HOME"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/vendor/bundle/ruby/#{RbConfig::CONFIG["ruby_version"]}"
 
     # Make rubygems notice env changes.
     Gem.clear_paths

Library/Homebrew/utils/ruby.sh

@@ -2,7 +2,7 @@ setup-ruby-path() {
   local vendor_dir
   local vendor_ruby_current_version
   local vendor_ruby_path
-  local ruby_old_version
+  local ruby_version_new_enough
   local minimum_ruby_version="2.3.3"
 
   vendor_dir="$HOMEBREW_LIBRARY/Homebrew/vendor"
@@ -35,12 +35,12 @@ setup-ruby-path() {
         HOMEBREW_RUBY_PATH="$(which ruby)"
       fi
 
-      if [[ -n "$HOMEBREW_RUBY_PATH" ]]
+      if [[ -n "$HOMEBREW_RUBY_PATH" && -z "$HOMEBREW_FORCE_VENDOR_RUBY" ]]
       then
-        ruby_old_version="$("$HOMEBREW_RUBY_PATH" -rrubygems -e "puts Gem::Version.new('$minimum_ruby_version') > Gem::Version.new(RUBY_VERSION)")"
+        ruby_version_new_enough="$("$HOMEBREW_RUBY_PATH" -rrubygems -e "puts Gem::Version.new(RUBY_VERSION.to_s.dup) >= Gem::Version.new('$minimum_ruby_version')")"
       fi
 
-      if [[ -z "$HOMEBREW_RUBY_PATH" || "$ruby_old_version" == "true" || -n "$HOMEBREW_FORCE_VENDOR_RUBY" ]]
+      if [[ -z "$HOMEBREW_RUBY_PATH" || -n "$HOMEBREW_FORCE_VENDOR_RUBY" || "$ruby_version_new_enough" != "true" ]]
       then
         brew vendor-install ruby
         if [[ ! -x "$vendor_ruby_path" ]]