From 5c8c02fbe73566dd4e17908167098a70c1dca8bd Mon Sep 17 00:00:00 2001
From: Petr Tichý
Date: Tue, 19 Aug 2014 14:40:44 +0200
Subject: moreutils: add --without-parallel option

Allows moreutils to coexist with 'parallel' formula
---
 Library/Formula/moreutils.rb | 12 ++++++++++--
 Library/Formula/parallel.rb  |  2 +-
 2 files changed, 11 insertions(+), 3 deletions(-)

(limited to 'Library')

diff --git a/Library/Formula/moreutils.rb b/Library/Formula/moreutils.rb
index 7a7bd3662..fd1247eb6 100644
--- a/Library/Formula/moreutils.rb
+++ b/Library/Formula/moreutils.rb
@@ -15,8 +15,12 @@ class Moreutils < Formula
 
   depends_on "docbook-xsl" => :build
 
-  conflicts_with 'parallel',
-    :because => "both install a 'parallel' executable."
+  option "without-parallel", "Omit the 'parallel' tool. Allows installation of GNU parallel from 'parallel' formula."
+
+  if build.with? "parallel"
+    conflicts_with "parallel",
+      :because => "both install a 'parallel' executable. See the '--without-parallel' option"
+  end
 
   conflicts_with 'task-spooler',
     :because => "both install a 'ts' executable."
@@ -49,6 +53,10 @@ class Moreutils < Formula
     inreplace "Makefile",
               "/usr/share/xml/docbook/stylesheet/docbook-xsl",
               "#{Formula["docbook-xsl"].opt_prefix}/docbook-xsl"
+    if build.without? "parallel"
+      inreplace "Makefile", /^BINS=.*\Kparallel/, ""
+      inreplace "Makefile", /^MANS=.*\Kparallel\.1/, ""
+    end
     system "make", "all"
     system "make", "check"
     system "make", "install", "PREFIX=#{prefix}"
diff --git a/Library/Formula/parallel.rb b/Library/Formula/parallel.rb
index cb29e55eb..fd864afce 100644
--- a/Library/Formula/parallel.rb
+++ b/Library/Formula/parallel.rb
@@ -7,7 +7,7 @@ class Parallel < Formula
   sha256 "8a146a59bc71218921d561f2c801b85e06fe3a21571083b58e6e0966dd397fd4"
 
   conflicts_with "moreutils",
-    :because => "both install a 'parallel' executable."
+    :because => "both install a 'parallel' executable. See the --without-parallel option for 'moreutils'"
 
   def install
     system "./configure", "--prefix=#{prefix}"
-- 
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