[gitg] Export in env

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 9548cc939e0dae4f21e800f858e7ff33612281d3
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Wed Dec 30 12:10:13 2015 +0100

    Export in env

 osx/scripts/build |    7 +------
 osx/scripts/env   |    9 +++++++++
 osx/scripts/lbrew |    4 ----
 3 files changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/osx/scripts/build b/osx/scripts/build
index face3e8..4da571d 100755
--- a/osx/scripts/build
+++ b/osx/scripts/build
@@ -29,9 +29,4 @@ if [ ! -d "$tap" ]; then
        ln -s "$root/osx/Taps/gitg" "$tap"
 fi
 
-export HOMEBREW_DEVELOPER=1
-export HOMEBREW_RUBY_PATH="$scripts/brew.rb"
-export PATH="$d/install/bin:$PATH"
-export DYLD_FALLBACK_LIBRARY_PATH="/usr/lib"
-
-exec "$scripts/lbrew" install "$@" --HEAD gnome/gitg/gitg
+exec "$lbrew" install "$@" --HEAD gnome/gitg/gitg
diff --git a/osx/scripts/env b/osx/scripts/env
index c1b51e2..ebcb7ac 100644
--- a/osx/scripts/env
+++ b/osx/scripts/env
@@ -10,3 +10,12 @@ suffix="3.19"
 
 d="/opt/build/gitg-$suffix"
 b="$d/install/bin/brew"
+
+lbrew="$root/osx/scripts/lbrew"
+
+export HOMEBREW_DEVELOPER=1
+export HOMEBREW_RUBY_PATH="$scripts/brew.rb"
+export HOMEBREW_CACHE="$d/caches"
+
+export PATH="$d/install/bin:$PATH"
+export DYLD_FALLBACK_LIBRARY_PATH="/usr/lib"
diff --git a/osx/scripts/lbrew b/osx/scripts/lbrew
index 8451eb5..f59d34f 100755
--- a/osx/scripts/lbrew
+++ b/osx/scripts/lbrew
@@ -2,8 +2,4 @@
 
 . $(dirname "$0")/env
 
-export HOMEBREW_DEVELOPER=1
-export HOMEBREW_RUBY_PATH="$scripts/brew.rb"
-export PATH="$d/install/bin:$PATH"
-
 exec "$b" "$@"