Merge pull request #9201 from reitermarkus/vendor-gems-update

Add `--update` option to `brew vendor-gems`.

.gitignore

@@ -24,6 +24,7 @@
 # Ignore Bundler files
 **/.bundle/bin
 **/.bundle/cache
+**/vendor/bundle/ruby/*/bundler.lock
 **/vendor/bundle/ruby/*/bin
 **/vendor/bundle/ruby/*/build_info/
 **/vendor/bundle/ruby/*/cache

Library/Homebrew/dev-cmd/vendor-gems.rb

@@ -18,17 +18,28 @@ module Homebrew
         Install and commit Homebrew's vendored gems.
       EOS
 
+      switch "--update",
+             description: "Update all vendored Gems to the latest version."
+
       max_named 0
     end
   end
 
   def vendor_gems
-    vendor_gems_args.parse
+    args = vendor_gems_args.parse
 
     Homebrew.install_bundler!
 
     ohai "cd #{HOMEBREW_LIBRARY_PATH}"
     HOMEBREW_LIBRARY_PATH.cd do
+      if args.update?
+        ohai "bundle update"
+        safe_system "bundle", "update"
+
+        ohai "git add Gemfile.lock"
+        system "git", "add", "Gemfile.lock"
+      end
+
       ohai "bundle install --standalone"
       safe_system "bundle", "install", "--standalone"
 

docs/Manpage.md

@@ -1339,6 +1339,9 @@ If no options are passed, use `origin/master` as the start commit.
 
 Install and commit Homebrew's vendored gems.
 
+* `--update`:
+  Update all vendored Gems to the latest version.
+
 ## GLOBAL CASK OPTIONS
 
 These options are applicable to subcommands accepting a `--cask` flag and all `cask` commands.

manpages/brew.1

@@ -1851,6 +1851,10 @@ Use the commit at the specified \fIdate\fR as the start commit\.
 .SS "\fBvendor\-gems\fR"
 Install and commit Homebrew\'s vendored gems\.
 .
+.TP
+\fB\-\-update\fR
+Update all vendored Gems to the latest version\.
+.
 .SH "GLOBAL CASK OPTIONS"
 These options are applicable to subcommands accepting a \fB\-\-cask\fR flag and all \fBcask\fR commands\.
 .