From 360f3b3a9e0a74eb8b7d5a1744ad58f4cd487ca0 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Sat, 9 Dec 2023 19:50:33 +0100
Subject: [PATCH] changelog-d: Use roberth fork with markdown frontmatter
 support

---
 flake.nix                  |  2 +-
 misc/changelog-d.cabal.nix | 31 +++++++++++++++++++++++++++++++
 misc/changelog-d.nix       | 31 +++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 misc/changelog-d.cabal.nix
 create mode 100644 misc/changelog-d.nix

diff --git a/flake.nix b/flake.nix
index dbd45f053..90203e7d5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -182,7 +182,7 @@
           "--enable-internal-api-docs"
         ];
 
-        changelog-d = pkgs.buildPackages.changelog-d;
+        changelog-d = pkgs.buildPackages.callPackage ./misc/changelog-d.nix { };
 
         nativeBuildDeps =
           [
diff --git a/misc/changelog-d.cabal.nix b/misc/changelog-d.cabal.nix
new file mode 100644
index 000000000..76f9353cd
--- /dev/null
+++ b/misc/changelog-d.cabal.nix
@@ -0,0 +1,31 @@
+{ mkDerivation, aeson, base, bytestring, cabal-install-parsers
+, Cabal-syntax, containers, directory, filepath, frontmatter
+, generic-lens-lite, lib, mtl, optparse-applicative, parsec, pretty
+, regex-applicative, text, pkgs
+}:
+let rev = "f30f6969e9cd8b56242309639d58acea21c99d06";
+in
+mkDerivation {
+  pname = "changelog-d";
+  version = "0.1";
+  src = pkgs.fetchurl {
+    name = "changelog-d-${rev}.tar.gz";
+    url = "https://codeberg.org/roberth/changelog-d/archive/${rev}.tar.gz";
+    hash = "sha256-8a2+i5u7YoszAgd5OIEW0eYUcP8yfhtoOIhLJkylYJ4=";
+  } // { inherit rev; };
+  isLibrary = false;
+  isExecutable = true;
+  libraryHaskellDepends = [
+    aeson base bytestring cabal-install-parsers Cabal-syntax containers
+    directory filepath frontmatter generic-lens-lite mtl parsec pretty
+    regex-applicative text
+  ];
+  executableHaskellDepends = [
+    base bytestring Cabal-syntax directory filepath
+    optparse-applicative
+  ];
+  doHaddock = false;
+  description = "Concatenate changelog entries into a single one";
+  license = lib.licenses.gpl3Plus;
+  mainProgram = "changelog-d";
+}
diff --git a/misc/changelog-d.nix b/misc/changelog-d.nix
new file mode 100644
index 000000000..1b20f4596
--- /dev/null
+++ b/misc/changelog-d.nix
@@ -0,0 +1,31 @@
+# Taken temporarily from <nixpkgs/pkgs/by-name/ch/changelog-d/package.nix>
+{
+  callPackage,
+  lib,
+  haskell,
+  haskellPackages,
+}:
+
+let
+  hsPkg = haskellPackages.callPackage ./changelog-d.cabal.nix { };
+
+  addCompletions = haskellPackages.generateOptparseApplicativeCompletions ["changelog-d"];
+
+  haskellModifications =
+    lib.flip lib.pipe [
+      addCompletions
+      haskell.lib.justStaticExecutables
+    ];
+
+  mkDerivationOverrides = finalAttrs: oldAttrs: {
+
+    version = oldAttrs.version + "-git-${lib.strings.substring 0 7 oldAttrs.src.rev}";
+
+    meta = oldAttrs.meta // {
+      homepage = "https://codeberg.org/roberth/changelog-d";
+      maintainers = [ lib.maintainers.roberth ];
+    };
+
+  };
+in
+  (haskellModifications hsPkg).overrideAttrs mkDerivationOverrides