igv: import from homebrew/science (#18736)

Formula/igv.rb

@@ -0,0 +1,22 @@
+class Igv < Formula
+  desc "Interactive Genomics Viewer"
+  homepage "https://www.broadinstitute.org/software/igv"
+  url "https://data.broadinstitute.org/igv/projects/downloads/2.4/IGV_2.4.4.zip"
+  sha256 "a13047b642ad9a09f4a1641e3c99f2785599a3681d93740f67c71d770eb5e62d"
+  revision 1
+
+  bottle :unneeded
+
+  depends_on :java => "1.8+"
+
+  def install
+    inreplace "igv.sh", /^prefix=.*/, "prefix=#{libexec}"
+    libexec.install "igv.sh", Dir["*.jar"]
+    libexec.install_symlink "igv.sh" => "igv"
+  end
+
+  test do
+    (testpath/"script").write "exit"
+    assert_match "Version", `#{libexec}/igv -b script`
+  end
+end