nixpkgs/pkgs/servers/consul/default.nix

{ stdenv, buildGoModule, fetchFromGitHub }:

buildGoModule rec {
  pname = "consul";
  version = "1.7.2";
  rev = "v${version}";

  # Note: Currently only release tags are supported, because they have the Consul UI	
  # vendored. See	
  #   https://github.com/NixOS/nixpkgs/pull/48714#issuecomment-433454834	
  # If you want to use a non-release commit as `src`, you probably want to improve	
  # this derivation so that it can build the UI's JavaScript from source.	
  # See https://github.com/NixOS/nixpkgs/pull/49082 for something like that.	
  # Or, if you want to patch something that doesn't touch the UI, you may want	
  # to apply your changes as patches on top of a release commit.
  src = fetchFromGitHub {
    owner = "hashicorp";
    repo = pname;
    inherit rev;
    sha256 = "1q587d8aqfkwg4fymr56fnf038vkxbdqz5yilz96dzny27dhspj4";
  };

  # This corresponds to paths with package main - normally unneeded but consul
  # has a split module structure in one repo
  subPackages = ["." "connect/certgen"];

  modSha256 = "164834gr8a7qvp72ccjpkbbg4h8idrcxvcp1fl7yi59iqsswfr7b";

  preBuild = ''	
  buildFlagsArray+=("-ldflags" "-X github.com/hashicorp/consul/version.GitDescribe=v${version} -X github.com/hashicorp/consul/version.Version=${version} -X github.com/hashicorp/consul/version.VersionPrerelease=")	
  '';

  meta = with stdenv.lib; {
    description = "Tool for service discovery, monitoring and configuration";
    homepage = "https://www.consul.io/";
    platforms = platforms.linux ++ platforms.darwin;
    license = licenses.mpl20;
    maintainers = with maintainers; [ pradeepchhetri vdemeester nh2 ];
  };
}