fsh: cleanup, remove bad inreplace and add test.

Closes Homebrew#37023.

Signed-off-by: Mike McQuaid <[email protected]>

Library/Formula/fsh.rb

@@ -1,25 +1,20 @@
-require 'formula'
-
 class Fsh < Formula
-  homepage 'http://www.lysator.liu.se/fsh/'
-  url 'http://www.lysator.liu.se/fsh/fsh-1.2.tar.gz'
-  sha1 'c2f1e923076d368fbb5504dcd1d33c74024b0d1b'
+  homepage "http://www.lysator.liu.se/fsh/"
+  url "http://www.lysator.liu.se/fsh/fsh-1.2.tar.gz"
+  sha1 "c2f1e923076d368fbb5504dcd1d33c74024b0d1b"
 
   def install
     # FCNTL was deprecated and needs to be changed to fcntl
-    inreplace 'fshcompat.py', 'FCNTL', 'fcntl'
+    inreplace "fshcompat.py", "FCNTL", "fcntl"
 
     system "./configure", "--disable-debug",
                           "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
                           "--infodir=#{info}"
-    system "make install"
+    system "make", "install"
+  end
 
-    cd bin do
-      if Formula['python'].installed?
-        inreplace ["fsh", "fshd", "in.fshd"],
-            "#! /usr/local/bin/python", "#!/usr/bin/env python"
-      end
-    end
+  test do
+    system "fsh", "-V"
   end
 end