{ lib, fetchFromGitHub, buildGoModule }: buildGoModule rec { pname = "mtail"; version = "3.0.0-rc35"; src = fetchFromGitHub { owner = "google"; repo = "mtail"; rev = "v${version}"; sha256 = "04hzr0cw0dq7hmqvp1lhm5wl239yrxmcpsl25sqk74wy06cgrrqd"; }; vendorSha256 = "1km3ldqz35lpkglp9n332vxr38xxfqyij1fi2qq0agyyydbvakj5"; subPackages = [ "cmd/mtail" ]; preBuild = '' go generate -x ./internal/vm/ ''; buildFlagsArray = [ "-ldflags=-X main.Version=${version}" ]; meta = with lib; { license = licenses.asl20; homepage = "https://github.com/google/mtail"; description = "Tool for extracting metrics from application logs"; }; }