{ stdenv, fetchFromGitHub, buildGoModule, Security }: buildGoModule rec { pname = "mtail"; version = "3.0.0-rc35"; src = fetchFromGitHub { owner = "google"; repo = "mtail"; rev = "v${version}"; sha256 = "04hzr0cw0dq7hmqvp1lhm5wl239yrxmcpsl25sqk74wy06cgrrqd"; }; modSha256 = "0h3q1qd9a01wlfkk0yv74a4bk5nilpsppq522cv7kl8ysnrjh5yi"; subPackages = [ "cmd/mtail" ]; buildInputs = stdenv.lib.optionals stdenv.isDarwin [ Security ]; preBuild = '' go generate -x ./internal/vm/ ''; buildFlagsArray = [ "-ldflags=-X main.Version=${version}" ]; meta = with stdenv.lib; { license = licenses.asl20; homepage = "https://github.com/google/mtail"; description = "Tool for extracting metrics from application logs"; }; }