Check in the Cabal file into the repository

Avoids warnings from Stack. See commercialhaskell/stack#5210.

.gitignore

@@ -1,3 +1,2 @@
 /.stack-work/
 *~
-/hi-file-parser.cabal

hi-file-parser.cabal

@@ -0,0 +1,82 @@
+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.35.0.
+--
+-- see: https://github.com/sol/hpack
+
+name:           hi-file-parser
+version:        0.1.2.0
+synopsis:       Parser for GHC's hi files
+description:    Please see the README on Github at <https://github.com/commercialhaskell/hi-file-parser/blob/master/README.md>
+category:       Development
+homepage:       https://github.com/commercialhaskell/hi-file-parser#readme
+bug-reports:    https://github.com/commercialhaskell/hi-file-parser/issues
+author:         Hussein Ait-Lahcen
+maintainer:     michael@snoyman.com
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+    test-files/iface/x64/ghc844/Main.hi
+    test-files/iface/x64/ghc844/X.hi
+    test-files/iface/x64/ghc822/Main.hi
+    test-files/iface/x64/ghc822/X.hi
+    test-files/iface/x64/ghc864/Main.hi
+    test-files/iface/x64/ghc864/X.hi
+    test-files/iface/x64/ghc884/Main.hi
+    test-files/iface/x64/ghc884/X.hi
+    test-files/iface/x64/ghc8104/Main.hi
+    test-files/iface/x64/ghc8104/X.hi
+    test-files/iface/x64/ghc901/Main.hi
+    test-files/iface/x64/ghc901/X.hi
+    test-files/iface/x64/ghc9023/Main.hi
+    test-files/iface/x64/ghc9023/X.hi
+    test-files/iface/x64/ghc9041/Main.hi
+    test-files/iface/x64/ghc9041/X.hi
+    test-files/iface/x32/ghc844/Main.hi
+    test-files/iface/x32/ghc802/Main.hi
+    test-files/iface/x32/ghc7103/Main.hi
+    test-files/iface/x32/ghc822/Main.hi
+
+source-repository head
+  type: git
+  location: https://github.com/commercialhaskell/hi-file-parser
+
+library
+  exposed-modules:
+      HiFileParser
+  other-modules:
+      Paths_hi_file_parser
+  hs-source-dirs:
+      src
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints
+  build-depends:
+      base >=4.10 && <5
+    , binary
+    , bytestring
+    , mtl
+    , rio
+    , vector
+  default-language: Haskell2010
+
+test-suite hi-file-parser-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      HiFileParserSpec
+      Paths_hi_file_parser
+  hs-source-dirs:
+      test
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.10 && <5
+    , binary
+    , bytestring
+    , hi-file-parser
+    , hspec
+    , mtl
+    , rio
+    , vector
+  default-language: Haskell2010