dufs 0.31.0 (new formula)

Closes #118734.

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

Formula/dufs.rb

@@ -0,0 +1,32 @@
+class Dufs < Formula
+  desc "Static file server"
+  homepage "https://github.com/sigoden/dufs"
+  url "https://github.com/sigoden/dufs/archive/refs/tags/v0.31.0.tar.gz"
+  sha256 "f5078fb245d0aeccbcfe966a0aa89fb2ee5af7a88016534ab66776971c0c3d2e"
+  license any_of: ["Apache-2.0", "MIT"]
+
+  depends_on "rust" => :build
+
+  def install
+    system "cargo", "install", *std_cargo_args
+
+    generate_completions_from_executable(bin/"dufs", "--completions")
+  end
+
+  test do
+    port = free_port
+    pid = fork do
+      exec "#{bin}/dufs", bin.to_s, "-b", "127.0.0.1", "--port", port.to_s
+    end
+
+    sleep 2
+
+    begin
+      read = (bin/"dufs").read
+      assert_equal read, shell_output("curl localhost:#{port}/dufs")
+    ensure
+      Process.kill("SIGINT", pid)
+      Process.wait(pid)
+    end
+  end
+end