mksh: use custom download strategy to deal with cpio

1 files changed, 11 insertions, 5 deletions

diff --git a/Library/Formula/mksh.rb b/Library/Formula/mksh.rb
index cb1d3a72d..6578d1c93 100644
--- a/Library/Formula/mksh.rb
+++ b/Library/Formula/mksh.rb
@@ -1,10 +1,18 @@
 require 'formula'
 
+class CpioDownloadStrategy < CurlDownloadStrategy
+  def stage
+    system "gzcat #{@tarball_path} | cpio -id"
+    chdir
+  end
+end
+
 class Mksh < Formula
-  url 'https://www.mirbsd.org/MirOS/dist/mir/mksh/mksh-R40d.cpio.gz'
   homepage 'https://www.mirbsd.org/mksh.htm'
-  md5 'c6428401103367730a95b99284bf47dc'
+  url 'https://www.mirbsd.org/MirOS/dist/mir/mksh/mksh-R40d.cpio.gz',
+      :using => CpioDownloadStrategy
   version '0.40d'
+  md5 'c6428401103367730a95b99284bf47dc'
 
   def install
     system 'sh ./Build.sh -combine'
@@ -15,9 +23,7 @@ class Mksh < Formula
   def caveats; <<-EOS.undent
     To allow using mksh as a login shell, run this as root:
         echo #{HOMEBREW_PREFIX}/bin/mksh >> /etc/shells
-    Then, any user may run
-        chsh
-    to change their shell.
+    Then, any user may run `chsh` to change their shell.
     EOS
   end
 end