From 659c0084940aede2c9d90c6cf16735b3bf9690ee Mon Sep 17 00:00:00 2001
From: Jonathan Davies <jpds@protonmail.com>
Date: Sun, 10 Dec 2023 10:44:49 +0000
Subject: [PATCH] prometheus-zfs-exporter: Added ldflags to add version label
 to _build_info metric.

---
 pkgs/servers/monitoring/prometheus/zfs-exporter.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/servers/monitoring/prometheus/zfs-exporter.nix b/pkgs/servers/monitoring/prometheus/zfs-exporter.nix
index 3e5ec75a2922..d229daa14b81 100644
--- a/pkgs/servers/monitoring/prometheus/zfs-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/zfs-exporter.nix
@@ -16,6 +16,16 @@ buildGoModule rec {
 
   vendorHash = "sha256-uIilESEmAxANxFOy7qvYxlF/bId/Kqh4jUspNknlhlc=";
 
+  ldflags = [
+    "-s"
+    "-w"
+    "-X github.com/prometheus/common/version.Version=${version}"
+    "-X github.com/prometheus/common/version.Revision=unknown"
+    "-X github.com/prometheus/common/version.Branch=unknown"
+    "-X github.com/prometheus/common/version.BuildUser=nix@nixpkgs"
+    "-X github.com/prometheus/common/version.BuildDate=unknown"
+  ];
+
   postInstall = ''
     install -Dm444 -t $out/share/doc/${pname} *.md
   '';