lsyncd: don't try to define incomplete resources

Fixes #24699.

1 files changed, 18 insertions, 30 deletions

diff --git a/Library/Formula/lsyncd.rb b/Library/Formula/lsyncd.rb
index 0ed6df12a..be566cd5f 100644
--- a/Library/Formula/lsyncd.rb
+++ b/Library/Formula/lsyncd.rb
@@ -15,36 +15,24 @@ class Lsyncd < Formula
   # This is an artificial requirement, the resource below is incomplete
   depends_on :macos => :lion
 
-  resource 'xnu' do
-    # Note: Do not use MacOS::version -- the version number is not
-    # enough, we need the patch number as well.
-    osx_version = `sw_vers -productVersion`.strip
-    case osx_version
-      when "10.7.5"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-1699.32.7.tar.gz'
-        sha1 'da3df48952b40ad3b8612c7f639b8bf0f92fb414'
-      when "10.8"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-2050.7.9.tar.gz'
-        sha1 '9aaf1e0b0a148ff303577161fecaf3ea6188aa1b'
-      when "10.8.1"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-2050.9.2.tar.gz'
-        sha1 '2bd58959afc5ac8f2c9fa3d693882acc96b25321'
-      when "10.8.2"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-2050.18.24.tar.gz'
-        sha1 '3a2a0b3629cb215b17aca3bb365b8b10b8b408fe'
-      when "10.8.3"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-2050.22.13.tar.gz'
-        sha1 'a002806d1e64505c6a98c10af26186454818a9ff'
-      when "10.8.4"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-2050.24.15.tar.gz'
-        sha1 'a080f28b7385b0cc63f9ba5a07d922d53ea0a4a3'
-      when "10.8.5"
-        url 'http://www.opensource.apple.com/tarballs/xnu/xnu-2050.48.11.tar.gz'
-        sha1 '1f6860148f8231a53a6b393aa1af589cdedfc70c'
-      when "10.9"
-        url "http://www.opensource.apple.com/tarballs/xnu/xnu-2422.1.72.tar.gz"
-        sha1 "c7bdc40396df3c51ece934c0e3b4a19b063ea34c"
-      end
+  osx_version = `sw_vers -productVersion`.strip
+  xnu_headers = {
+    "10.7.5" => ['xnu-1699.32.7.tar.gz',  'da3df48952b40ad3b8612c7f639b8bf0f92fb414'],
+    "10.8"   => ['xnu-2050.7.9.tar.gz',   '9aaf1e0b0a148ff303577161fecaf3ea6188aa1b'],
+    "10.8.1" => ['xnu-2050.9.2.tar.gz',   '2bd58959afc5ac8f2c9fa3d693882acc96b25321'],
+    "10.8.2" => ['xnu-2050.18.24.tar.gz', '3a2a0b3629cb215b17aca3bb365b8b10b8b408fe'],
+    "10.8.3" => ['xnu-2050.22.13.tar.gz', 'a002806d1e64505c6a98c10af26186454818a9ff'],
+    "10.8.4" => ['xnu-2050.24.15.tar.gz', 'a080f28b7385b0cc63f9ba5a07d922d53ea0a4a3'],
+    "10.8.5" => ['xnu-2050.48.11.tar.gz', '1f6860148f8231a53a6b393aa1af589cdedfc70c'],
+    "10.9"   => ['xnu-2422.1.72.tar.gz',  'c7bdc40396df3c51ece934c0e3b4a19b063ea34c'],
+  }
+
+  if xnu_headers.key? osx_version
+    tarball, checksum = xnu_headers.fetch(osx_version)
+    resource 'xnu' do
+      url "http://www.opensource.apple.com/tarballs/xnu/#{tarball}"
+      sha1 checksum
+    end
   end
 
   def install