From 983f8a1bb965b261492123cd8e2d07da46d4d50a Mon Sep 17 00:00:00 2001
From: Nate Cox <nate@natecox.dev>
Date: Fri, 5 May 2023 10:25:28 -0700
Subject: [PATCH] git-cliff: add module

---
 .github/CODEOWNERS                            |  3 ++
 modules/lib/maintainers.nix                   |  6 +++
 modules/misc/news.nix                         |  7 +++
 modules/modules.nix                           |  1 +
 modules/programs/git-cliff.nix                | 45 +++++++++++++++++++
 tests/default.nix                             |  1 +
 tests/modules/programs/git-cliff/default.nix  |  1 +
 .../programs/git-cliff/example-settings.nix   | 29 ++++++++++++
 8 files changed, 93 insertions(+)
 create mode 100644 modules/programs/git-cliff.nix
 create mode 100644 tests/modules/programs/git-cliff/default.nix
 create mode 100644 tests/modules/programs/git-cliff/example-settings.nix

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 80ba8c48..6d50bbab 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -122,6 +122,9 @@ Makefile                                              @thiagokokada
 /modules/programs/gh.nix                              @Gerschtli @berbiche
 /tests/modules/programs/gh                            @Gerschtli @berbiche
 
+/modules/programs/git-cliff.nix                       @NateCox
+/tests/modules/programs/git-cliff                     @NateCox
+
 /modules/programs/git.nix                             @rycee
 
 /modules/programs/gitui/gitui.nix                     @mifom
diff --git a/modules/lib/maintainers.nix b/modules/lib/maintainers.nix
index b91ba715..5b1d35d4 100644
--- a/modules/lib/maintainers.nix
+++ b/modules/lib/maintainers.nix
@@ -388,4 +388,10 @@
     githubId = 68489118;
     name = "tomodachi94";
   };
+  NateCox = {
+    name = "Nate Cox";
+    email = "nate@natecox.dev";
+    github = "natecox";
+    githubId = 2782695;
+  };
 }
diff --git a/modules/misc/news.nix b/modules/misc/news.nix
index 1869d556..8f83572f 100644
--- a/modules/misc/news.nix
+++ b/modules/misc/news.nix
@@ -1001,6 +1001,13 @@ in
           A new module is available: 'programs.jujutsu'.
         '';
       }
+
+      {
+        time = "2023-05-09T16:06:56+00:00";
+        message = ''
+          A new module is available: 'programs.git-cliff'.
+        '';
+      }
     ];
   };
 }
diff --git a/modules/modules.nix b/modules/modules.nix
index 025667ca..69543ab2 100644
--- a/modules/modules.nix
+++ b/modules/modules.nix
@@ -80,6 +80,7 @@ let
     ./programs/gallery-dl.nix
     ./programs/getmail.nix
     ./programs/gh.nix
+    ./programs/git-cliff.nix
     ./programs/git.nix
     ./programs/gitui.nix
     ./programs/gnome-terminal.nix
diff --git a/modules/programs/git-cliff.nix b/modules/programs/git-cliff.nix
new file mode 100644
index 00000000..7894ec6c
--- /dev/null
+++ b/modules/programs/git-cliff.nix
@@ -0,0 +1,45 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.git-cliff;
+  tomlFormat = pkgs.formats.toml { };
+
+in {
+  meta.maintainers = [ hm.maintainers.NateCox ];
+
+  options.programs.git-cliff = {
+    enable = mkEnableOption "git-cliff changelog generator";
+
+    package = mkPackageOption pkgs "git-cliff" { };
+
+    settings = mkOption {
+      type = tomlFormat.type;
+      default = { };
+      example = literalExpression ''
+        {
+          header = "Changelog";
+          trim = true;
+        }
+      '';
+      description = ''
+        Configuration written to
+        <filename>$XDG_CONFIG_HOME/git-cliff/cliff.toml</filename>. See
+        <link xlink:href="https://git-cliff.org/docs/configuration" />
+        for the documentation.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    xdg.configFile = {
+      "git-cliff/cliff.toml" = mkIf (cfg.settings != { }) {
+        source = tomlFormat.generate "git-cliff-config" cfg.settings;
+      };
+    };
+  };
+}
diff --git a/tests/default.nix b/tests/default.nix
index 54ee6d13..f2e20d24 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -73,6 +73,7 @@ import nmt {
     ./modules/programs/fish
     ./modules/programs/gallery-dl
     ./modules/programs/gh
+    ./modules/programs/git-cliff
     ./modules/programs/git
     ./modules/programs/gpg
     ./modules/programs/helix
diff --git a/tests/modules/programs/git-cliff/default.nix b/tests/modules/programs/git-cliff/default.nix
new file mode 100644
index 00000000..3bad375c
--- /dev/null
+++ b/tests/modules/programs/git-cliff/default.nix
@@ -0,0 +1 @@
+{ git-cliff-example-settings = ./example-settings.nix; }
diff --git a/tests/modules/programs/git-cliff/example-settings.nix b/tests/modules/programs/git-cliff/example-settings.nix
new file mode 100644
index 00000000..5c865d48
--- /dev/null
+++ b/tests/modules/programs/git-cliff/example-settings.nix
@@ -0,0 +1,29 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  programs.git-cliff = {
+    enable = true;
+
+    settings = {
+      header = "Changelog";
+      footer = "<!-- generated by git-cliff -->";
+      trim = true;
+    };
+  };
+
+  test.stubs.git-cliff = { };
+
+  nmt.script = ''
+    assertFileContent \
+      home-files/.config/git-cliff/cliff.toml \
+      ${
+        builtins.toFile "expected.toml" ''
+          footer = "<!-- generated by git-cliff -->"
+          header = "Changelog"
+          trim = true
+        ''
+      }
+  '';
+}