Merge pull request #190846 from Homebrew/kapacitor-workaround

kapacitor: workaround for newer Rust

Formula/k/kapacitor.rb

@@ -9,6 +9,13 @@ class Kapacitor < Formula
  tag: "v1.7.4",
  revision: "3470f6ae7f53acaca90459cc1128298548fdc740"
 
+ # TODO: Remove when release uses flux >= 0.195.0 to get following fix for rust >= 1.78
+ # Ref: https://github.com/influxdata/flux/commit/68c831c40b396f0274f6a9f97d77707c39970b02
+ resource "flux" do
+ url "https://github.com/influxdata/flux/archive/refs/tags/v0.194.5.tar.gz"
+ sha256 "85229c86d307fdecccc7d940902fb83bfbd7cff7a308ace831e2487d36a6a8ca"
+ end
+
  # build patch to upgrade flux so that it can be built with rust 1.72.0+
  # upstream PR ref, https://github.com/influxdata/kapacitor/pull/2811
  patch do
@@ -32,7 +39,9 @@ class Kapacitor < Formula
  sha256 cellar: :any_skip_relocation, x86_64_linux: "6007b9e8d7e2b33e36510923d1989d83ef86e36e724c118686cdd61ef32d38a1"
  end
 
- depends_on "go" => :build
+ # Go 1.23 results in panic: failed to parse CA certificate.
+ # TODO: Switch to `go` when `kapacitor` updates gosnowflake
+ depends_on "go@1.22" => :build
  depends_on "rust" => :build
 
  on_linux do
@@ -47,6 +56,25 @@ class Kapacitor < Formula
  end
 
  def install
+ if build.stable?
+ # Check if newer `go` can be used
+ go_mod = (buildpath/"go.mod").read
+ gosnowflake_version = go_mod[%r{/influxdata/gosnowflake v(\d+(?:\.\d+)+)}, 1]
+ odie "Check if `go` can be used!" if gosnowflake_version.blank? || Version.new(gosnowflake_version) > "1.6.9"
+
+ # Workaround to skip dead_code lint. RUSTFLAGS workarounds didn't work.
+ flux_module = "github.com/influxdata/flux"
+ flux_version = go_mod[/#{flux_module} v(\d+(?:\.\d+)+)/, 1]
+ odie "Check if `flux` resource can be removed!" if flux_version.blank? || Version.new(flux_version) >= "0.195"
+ (buildpath/"vendored_flux").install resource("flux")
+ inreplace "vendored_flux/libflux/flux-core/src/lib.rs", "#![allow(\n", "\\0 dead_code,\n"
+ (buildpath/"go.work").write <<~EOS
+ go 1.22
+ use .
+ replace #{flux_module} => ./vendored_flux
+ EOS
+ end
+
  resource("pkg-config-wrapper").stage do
  system "go", "build", *std_go_args, "-o", buildpath/"bootstrap/pkg-config"
  end