hindent 6.2.1 (new formula)

Signed-off-by: botantony <antonsm21@gmail.com>

Author: botantony

Formula/h/hindent.rb

@@ -0,0 +1,35 @@
+class Hindent < Formula
+  desc "Haskell pretty printer"
+  homepage "https://github.com/mihaimaruseac/hindent"
+  url "https://github.com/mihaimaruseac/hindent/archive/refs/tags/v6.2.1.tar.gz"
+  sha256 "9f3dcd310b5ef773600551af9eda8db40f69ffd570d8ed474f7b8c2e93cd55ec"
+  license "BSD-3-Clause"
+  head "https://github.com/mihaimaruseac/hindent.git", branch: "master"
+
+  depends_on "cabal-install" => :build
+  # TODO: switch to ghc@9.12 in the next release
+  # https://github.com/mihaimaruseac/hindent/pull/1000
+  # See GHC 9.14 issue: https://github.com/mihaimaruseac/hindent/issues/1155
+  depends_on "ghc@9.10" => :build
+
+  def install
+    system "cabal", "v2-update"
+    system "cabal", "v2-install", *std_cabal_v2_args
+  end
+
+  test do
+    assert_match version.to_s, shell_output("#{bin}/hindent --version")
+
+    (testpath/"Input.hs").write <<~HASKELL
+      example = case x of Just _ -> "Foo"
+    HASKELL
+    (testpath/"Expected.hs").write <<~HASKELL
+      example =
+        case x of
+          Just _ -> "Foo"
+    HASKELL
+
+    assert_equal (testpath/"Expected.hs").read,
+      pipe_output("#{bin}/hindent --indent-size 2", (testpath/"Input.hs").read, 0)
+  end
+end