akku 1.1.0 (new formula)

* Adds a package for the Akku Scheme package manager
* akku 1.1.0 (new formula)

Closes #117156.

Co-authored-by: Rui Chen <rui@chenrui.dev>
Signed-off-by: Rui Chen <rui@chenrui.dev>
Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>

Formula/akku.rb

@@ -0,0 +1,26 @@
+class Akku < Formula
+  desc "Package manager for Scheme"
+  homepage "https://akkuscm.org/"
+  url "https://gitlab.com/akkuscm/akku/uploads/819fd1f988c6af5e7df0dfa70aa3d3fe/akku-1.1.0.tar.gz"
+  sha256 "12decdc8a2caba0f67dfcd57b65e4643037757e86da576408d41a5c487552c08"
+  license "GPL-3.0-or-later"
+  head "https://gitlab.com/akkuscm/akku.git", branch: "master"
+
+  depends_on "pkg-config" => :build
+  depends_on "guile"
+
+  def install
+    system "./configure", *std_configure_args, "--disable-silent-rules"
+    system "make"
+    system "make", "install"
+  end
+
+  test do
+    system bin/"akku", "init", "brewtest"
+    assert_predicate testpath/"brewtest/brewtest.sls", :exist?
+    assert_match "akku-package (\"brewtest\"",
+      (testpath/"brewtest/Akku.manifest").read
+
+    assert_match "Akku.scm #{version}", shell_output("#{bin}/akku --help 2>&1")
+  end
+end