Enable vendored Ruby 2.0.

3 files changed, 7 insertions, 1 deletions

diff --git a/share/doc/homebrew/Common-Issues.md b/share/doc/homebrew/Common-Issues.md
index 1efc16793..70da99345 100644
--- a/share/doc/homebrew/Common-Issues.md
+++ b/share/doc/homebrew/Common-Issues.md
@@ -38,7 +38,7 @@ invalid multibyte escape: /^\037\235/
 
 In the past, Homebrew assumed that `/usr/bin/ruby` was Ruby 1.8. On OS X 10.9, it is now Ruby 2.0. There are various incompatibilities between the two versions, so if you upgrade to OS X 10.9 while using a sufficiently old version of Homebrew, you will encounter errors.
 
-The incompatibilities have been addressed in more recent versions of Homebrew, and it does not make assumptions about `/usr/bin/ruby`, instead it uses the executable inside OS X's Ruby 1.8 framework.
+The incompatibilities have been addressed in more recent versions of Homebrew, and it does not make assumptions about `/usr/bin/ruby`, instead it uses the executable inside OS X's Ruby framework or a vendored Ruby.
 
 To recover from this situation, do the following:
 
diff --git a/share/doc/homebrew/brew.1.html b/share/doc/homebrew/brew.1.html
index b9b6bf3c0..1f9c3d54c 100644
--- a/share/doc/homebrew/brew.1.html
+++ b/share/doc/homebrew/brew.1.html
@@ -554,6 +554,8 @@ several formulae in the same directory.</p>
 <p><em>Note:</em> <code>brew edit</code> will open all of Homebrew as discontinuous files and
 directories. TextMate can handle this correctly in project mode, but many
 editors will do strange things in this case.</p></dd>
+<dt><code>HOMEBREW_FORCE_VENDOR_RUBY</code></dt><dd><p>If set, Homebrew will always use its vendored, relocatable Ruby 2.0 version
+even if the system version of Ruby is >=2.0.</p></dd>
 <dt><code>HOMEBREW_GITHUB_API_TOKEN</code></dt><dd><p>A personal access token for the GitHub API, which you can create at
 <a href="https://github.com/settings/tokens" data-bare-link="true">https://github.com/settings/tokens</a>. If set, GitHub will allow you a
 greater number of API requests. See
diff --git a/share/man/man1/brew.1 b/share/man/man1/brew.1
index f3c5f3899..d39a35463 100644
--- a/share/man/man1/brew.1
+++ b/share/man/man1/brew.1
@@ -764,6 +764,10 @@ If set, Homebrew will use this editor when editing a single formula, or several
 \fINote:\fR \fBbrew edit\fR will open all of Homebrew as discontinuous files and directories\. TextMate can handle this correctly in project mode, but many editors will do strange things in this case\.
 .
 .TP
+\fBHOMEBREW_FORCE_VENDOR_RUBY\fR
+If set, Homebrew will always use its vendored, relocatable Ruby 2\.0 version even if the system version of Ruby is >=2\.0\.
+.
+.TP
 \fBHOMEBREW_GITHUB_API_TOKEN\fR
 A personal access token for the GitHub API, which you can create at \fIhttps://github\.com/settings/tokens\fR\. If set, GitHub will allow you a greater number of API requests\. See \fIhttps://developer\.github\.com/v3/#rate\-limiting\fR for more information\. Homebrew uses the GitHub API for features such as \fBbrew search\fR\.
 .