Ghc 8.8.3 => 9.0.2 (#9679)

packages/ghc.rb

@@ -3,24 +3,24 @@ require 'package'
 class Ghc < Package
   description 'The Glasgow Haskell Compiler is a state-of-the-art, open source compiler and interactive environment for the functional language Haskell.'
   homepage 'https://www.haskell.org/ghc/'
-  version '8.8.3'
+  version '9.0.2'
   license 'BSD'
-  compatibility 'all'
-  source_url 'https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-src.tar.xz.sig'
-  source_sha256 'fcdb99dabdf74c5a0607df5276df2cd12b8b7bedcac4079546bb9418c8438f02'
+  compatibility 'x86_64'
+  source_url 'SKIP'
 
   no_compile_needed
 
   depends_on 'stack'
-  depends_on 'libtinfo'
 
   def self.build
     system "stack setup ghc-#{version}"
-    system "echo '#!/bin/bash' > ghc"
-    system "echo 'stack exec -- ghc \"\$@\"' >> ghc"
+    File.write 'ghc', <<~EOF
+      #!/bin/bash
+      stack exec -- ghc "$@"
+    EOF
   end
 
   def self.install
-    system "install -Dm755 ghc #{CREW_DEST_PREFIX}/bin/ghc"
+    FileUtils.install 'ghc', "#{CREW_DEST_PREFIX}/bin/ghc", mode: 0o755
   end
 end