btdu 0.7.2 (new formula)

Author: MagicalDrizzle

Formula/b/btdu.rb

@@ -0,0 +1,28 @@
+class Btdu < Formula
+  desc "Sampling disk usage profiler for btrfs"
+  homepage "https://github.com/CyberShadow/btdu"
+  url "https://github.com/CyberShadow/btdu/archive/refs/tags/v0.7.2.tar.gz"
+  sha256 "695ded59fb2029c8ae48ca0f990e68928841cdf36a4cf4cbc2485460cadbbd67"
+  license "GPL-2.0-only"
+
+  depends_on "btrfs-progs" => :build
+  depends_on "dub" => :build
+  depends_on "ldc" => :build
+  uses_from_macos "ncurses"
+
+  def install
+    system "dub", "build", "-b", "release", "--compiler=ldc2"
+    bin.install "btdu"
+  end
+
+  test do
+    assert_match "Fatal error: No path specified", shell_output("#{bin}/btdu 2>&1", 1)
+    # This would be how you actually test the program...but I believe Homebrew doesn't use sudo
+    # system "dd", "if=/dev/zero", "of=testdisk", "bs=1M", "count=128"
+    # system "mkfs.btrfs", "testdisk"
+    # system "mkdir", "mnt"
+    # system "sudo", "mount", "./testdisk", "mnt"
+    # assert_match "Collected 500 samples", shell_output("sudo #{bin}/btdu --du -n 500 --headless mnt 2>&1")
+    # system "sudo", "umount", "mnt"
+  end
+end