vault: remove postPatch, use finalAttrs (#503938)

pkgs/by-name/va/vault/package.nix

@@ -10,14 +10,14 @@
   glibc,
 }:
 
-buildGoModule rec {
+buildGoModule (finalAttrs: {
   pname = "vault";
   version = "1.21.4";
 
   src = fetchFromGitHub {
     owner = "hashicorp";
     repo = "vault";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-1yBvcGKzLZYFWlZJL1iJgDFkiT4g2f84iZCjWi2CwDg=";
   };
 
@@ -25,12 +25,6 @@ buildGoModule rec {
 
   proxyVendor = true;
 
-  postPatch = ''
-    # Remove defunct github.com/hashicorp/go-cmp dependency
-    sed -i '/github\.com\/hashicorp\/go-cmp/d' go.mod
-    sed -i '/github\.com\/hashicorp\/go-cmp/d' go.sum
-  '';
-
   subPackages = [ "." ];
 
   nativeBuildInputs = [
@@ -43,8 +37,8 @@ buildGoModule rec {
   ldflags = [
     "-s"
     "-w"
-    "-X github.com/hashicorp/vault/sdk/version.GitCommit=${src.rev}"
-    "-X github.com/hashicorp/vault/sdk/version.Version=${version}"
+    "-X github.com/hashicorp/vault/sdk/version.GitCommit=${finalAttrs.src.rev}"
+    "-X github.com/hashicorp/vault/sdk/version.Version=${finalAttrs.version}"
     "-X github.com/hashicorp/vault/sdk/version.VersionPrerelease="
   ];
 
@@ -72,9 +66,9 @@ buildGoModule rec {
   };
 
   meta = {
-    homepage = "https://www.vaultproject.io/";
+    homepage = "https://developer.hashicorp.com/vault";
     description = "Tool for managing secrets";
-    changelog = "https://github.com/hashicorp/vault/blob/v${version}/CHANGELOG.md";
+    changelog = "https://github.com/hashicorp/vault/blob/v${finalAttrs.version}/CHANGELOG.md";
     license = lib.licenses.bsl11;
     mainProgram = "vault";
     maintainers = with lib.maintainers; [
@@ -84,4 +78,4 @@ buildGoModule rec {
       techknowlogick
     ];
   };
-}
+})