jbigkit 2.1

Closes Homebrew/homebrew#39152.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/jbigkit.rb

@@ -1,12 +1,14 @@
-require 'formula'
-
 class Jbigkit < Formula
-  homepage 'http://www.cl.cam.ac.uk/~mgk25/jbigkit/'
-  url 'http://www.cl.cam.ac.uk/~mgk25/download/jbigkit-2.0.tar.gz'
-  sha1 'cfb7d3121f02a74bfb229217858a0d149b6589ef'
+  homepage "https://www.cl.cam.ac.uk/~mgk25/jbigkit/"
+  url "https://www.cl.cam.ac.uk/~mgk25/jbigkit/download/jbigkit-2.1.tar.gz"
+  mirror "https://mirrors.kernel.org/debian/pool/main/j/jbigkit/jbigkit_2.1.orig.tar.gz"
+  sha256 "de7106b6bfaf495d6865c7dd7ac6ca1381bd12e0d81405ea81e7f2167263d932"
+
+  head "https://www.cl.cam.ac.uk/~mgk25/git/jbigkit",
+       :using => :git
 
   option :universal
-  option 'with-check', "Verify the library during install"
+  option "with-check", "Verify the library during install"
 
   def install
     # Set for a universal build and patch the Makefile.
@@ -14,26 +16,27 @@ class Jbigkit < Formula
     ENV.universal_binary if build.universal?
     system "make", "CC=#{ENV.cc}", "CCFLAGS=#{ENV.cflags}"
 
-    # It needs j1 to make the tests happen in sequence.
-    ENV.deparallelize
-    system "make test" if build.with? "check"
+    if build.with? "check"
+      # It needs j1 to make the tests happen in sequence.
+      ENV.deparallelize
+      system "make", "test"
+    end
 
-    # Install the files using three common styles of syntax:
-    prefix.install %w[contrib examples]
-    cd 'pbmtools' do
-      bin.install %w(pbmtojbg jbgtopbm pbmtojbg85 jbgtopbm85)
-      man1.install %w(pbmtojbg.1 jbgtopbm.1)
-      man5.install %w(pbm.5 pgm.5)
+    cd "pbmtools" do
+      bin.install %w[pbmtojbg jbgtopbm pbmtojbg85 jbgtopbm85]
+      man1.install %w[pbmtojbg.1 jbgtopbm.1]
+      man5.install %w[pbm.5 pgm.5]
     end
-    cd 'libjbig' do
-      lib.install Dir['lib*.a']
-      (prefix+'src').install Dir['j*.c', 'j*.txt']
-      include.install Dir['j*.h']
+    cd "libjbig" do
+      lib.install Dir["lib*.a"]
+      (prefix/"src").install Dir["j*.c", "j*.txt"]
+      include.install Dir["j*.h"]
     end
+    (share/"jbigkit").install "examples", "contrib"
   end
 
   test do
-    system "#{bin}/jbgtopbm #{prefix}/examples/ccitt7.jbg | #{bin}/pbmtojbg - testoutput.jbg"
-    system "/usr/bin/cmp", "#{prefix}/examples/ccitt7.jbg", "testoutput.jbg"
+    system "#{bin}/jbgtopbm #{share}/jbigkit/examples/ccitt7.jbg | #{bin}/pbmtojbg - testoutput.jbg"
+    system "/usr/bin/cmp", share/"jbigkit/examples/ccitt7.jbg", "testoutput.jbg"
   end
 end