From b03f1ceff6ca1eff154f79134b123bc4315f772c Mon Sep 17 00:00:00 2001
From: figsoda <figsoda@pm.me>
Date: Mon, 15 May 2023 22:02:20 -0400
Subject: [PATCH 1/2] mermerd: fix version command

---
 .../tools/database/mermerd/default.nix           | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/tools/database/mermerd/default.nix b/pkgs/development/tools/database/mermerd/default.nix
index 6df4922f043d..9b71835e700c 100644
--- a/pkgs/development/tools/database/mermerd/default.nix
+++ b/pkgs/development/tools/database/mermerd/default.nix
@@ -1,6 +1,6 @@
-{ buildGoModule
+{ lib
+, buildGoModule
 , fetchFromGitHub
-, lib
 }:
 
 buildGoModule rec {
@@ -16,15 +16,21 @@ buildGoModule rec {
 
   vendorHash = "sha256-RSCpkQymvUvY2bOkjhsyKnDa3vezUjC33Nwv0+O4OOQ=";
 
+  ldflags = [
+    "-s"
+    "-w"
+    "-X=main.version=${version}"
+    "-X=main.commit=${src.rev}"
+  ];
+
   # the tests expect a database to be running
   doCheck = false;
 
   meta = with lib; {
     description = "Create Mermaid-Js ERD diagrams from existing tables";
     homepage = "https://github.com/KarnerTh/mermerd";
-    license = licenses.mit;
-    maintainers = with lib.maintainers; [ austin-artificial ];
     changelog = "https://github.com/KarnerTh/mermerd/releases/tag/v${version}";
+    license = licenses.mit;
+    maintainers = with maintainers; [ austin-artificial ];
   };
-
 }

From d4e3be78de1daded6ba524a211ef3644f4faaf92 Mon Sep 17 00:00:00 2001
From: figsoda <figsoda@pm.me>
Date: Mon, 15 May 2023 22:04:03 -0400
Subject: [PATCH 2/2] mermerd: add version test

---
 pkgs/development/tools/database/mermerd/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/tools/database/mermerd/default.nix b/pkgs/development/tools/database/mermerd/default.nix
index 9b71835e700c..2240c23433af 100644
--- a/pkgs/development/tools/database/mermerd/default.nix
+++ b/pkgs/development/tools/database/mermerd/default.nix
@@ -1,6 +1,8 @@
 { lib
 , buildGoModule
 , fetchFromGitHub
+, testers
+, mermerd
 }:
 
 buildGoModule rec {
@@ -26,6 +28,13 @@ buildGoModule rec {
   # the tests expect a database to be running
   doCheck = false;
 
+  passthru.tests = {
+    version = testers.testVersion {
+      package = mermerd;
+      command = "mermerd version";
+    };
+  };
+
   meta = with lib; {
     description = "Create Mermaid-Js ERD diagrams from existing tables";
     homepage = "https://github.com/KarnerTh/mermerd";