From befa3c852ba5299e89b5b576aad29a8eb2c64091 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Fri, 20 Aug 2010 10:06:06 -0700
Subject: Document HOMEBREW_DEBUG_PREFIX

---
 Library/Contributions/manpages/brew.1.md | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'Library')

diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index 2c6c8cb6c..9cc55170d 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -194,9 +194,14 @@ Some external commands are shipped with Homebrew, and enabled by default.
     commands.
 
   * HOMEBREW\_DEBUG\_INSTALL:
-    When a `brew install -d` or `brew install -i` drops into a shell,
+    When `brew install -d` or `brew install -i` drops into a shell,
     `HOMEBREW_DEBUG_INSTALL` will be set to the name of the formula being
-    tried.
+    brewed.
+
+  * HOMEBREW\_DEBUG\_PREFIX:
+    When `brew install -d` or `brew install -i` drops into a shell,
+    `HOMEBREW_DEBUG__PREFIX` will be set to the target prefix in the Cellar
+    of the formula being brewed.
 
   * HOMEBREW\_EDITOR:
     If set, Homebrew will use this editor when editing a single formula, or
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