syft 0.64.0 (new formula)

* syft 0.64.0 (new formula)
* syft: update test
* syft: update build

Closes #118929.

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

Formula/syft.rb

@@ -0,0 +1,35 @@
+class Syft < Formula
+  desc "CLI for generating a Software Bill of Materials from container images"
+  homepage "https://github.com/anchore/syft"
+  url "https://github.com/anchore/syft.git",
+      tag:      "v0.64.0",
+      revision: "e1e489a2849c8432781a7cb58b257fa935efa1cf"
+  license "Apache-2.0"
+  head "https://github.com/anchore/syft.git", branch: "main"
+
+  depends_on "go" => :build
+  depends_on "docker" => :test
+
+  def install
+    ldflags = %W[
+      -s -w
+      -X github.com/anchore/syft/internal/version.version=#{version}
+      -X github.com/anchore/syft/internal/version.gitCommit=#{Utils.git_head}
+      -X github.com/anchore/syft/internal/version.buildDate=#{time.iso8601}
+    ]
+
+    # Building for OSX with -extldflags "-static" results in the error:
+    # ld: library not found for -lcrt0.o
+    # This is because static builds are only possible if all libraries
+    ldflags << "-linkmode \"external\" -extldflags \"-static\"" if OS.linux?
+
+    system "go", "build", *std_go_args(ldflags: ldflags), "./cmd/syft"
+  end
+
+  test do
+    output = shell_output("#{bin}/syft attest busybox 2>&1", 1)
+    assert_match "Available formats: [syft-json spdx-json cyclonedx-json]", output
+
+    assert_match version.to_s, shell_output("#{bin}/syft --version")
+  end
+end