Add formula for upgraded [email protected]

Formula/shellcheck@0.7.2.rb

@@ -0,0 +1,37 @@
+class Shellcheck < Formula
+  desc "Static analysis and lint tool, for (ba)sh scripts"
+  homepage "https://www.shellcheck.net/"
+  url "https://github.com/koalaman/shellcheck/archive/v0.7.2.tar.gz"
+  sha256 "5911f6133951d0ba6d643025bc50f2afb6c6f66d7225dc3d42e8845bfdf74c3c"
+  license "GPL-3.0-or-later"
+  head "https://github.com/koalaman/shellcheck.git"
+
+  bottle do
+    sha256 cellar: :any_skip_relocation, big_sur:  "516df7bcc8d5b1e7e4b989b472e89d9e3cf5e4dfc977aa45f06c0335c697b77a"
+    sha256 cellar: :any_skip_relocation, catalina: "d4ffbfe9cb1fc1c888c7b6805a6c224810e4137c0bac0aac3041733bb36b7d79"
+    sha256 cellar: :any_skip_relocation, mojave:   "a810166fde56298431a942ec439d5359e871a0727b989788040608876b519b07"
+  end
+
+  depends_on "cabal-install" => :build
+  depends_on "ghc" => :build
+  depends_on "pandoc" => :build
+
+  def install
+    system "cabal", "v2-update"
+    system "cabal", "v2-install", *std_cabal_v2_args
+    system "pandoc", "-s", "-f", "markdown-smart", "-t", "man",
+                     "shellcheck.1.md", "-o", "shellcheck.1"
+    man1.install "shellcheck.1"
+  end
+
+  test do
+    sh = testpath/"test.sh"
+    sh.write <<~EOS
+      for f in $(ls *.wav)
+      do
+        echo "$f"
+      done
+    EOS
+    assert_match "[SC2045]", shell_output("#{bin}/shellcheck -f gcc #{sh}", 1)
+  end
+end