jjui: init module

Add a module for configuring the jjui program.

tests/modules/programs/jjui/default.nix

@@ -0,0 +1,5 @@
+{
+  jjui-empty-settings = ./empty-settings.nix;
+  jjui-example-settings = ./example-settings.nix;
+  jjui-null-package = ./null-package.nix;
+}

tests/modules/programs/jjui/empty-settings.nix

@@ -0,0 +1,9 @@
+{
+  config = {
+    programs.jjui.enable = true;
+
+    nmt.script = ''
+      assertPathNotExists home-files/.config/jjui
+    '';
+  };
+}

tests/modules/programs/jjui/example-settings-expected.toml

@@ -0,0 +1,3 @@
+[revisions]
+revset = "ancestors(@ | heads(remote_branches())) ~ empty()"
+template = "builtin_log_compact"

tests/modules/programs/jjui/example-settings.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  pkgs,
+  ...
+}:
+
+{
+  config = {
+    programs.jjui = {
+      enable = true;
+      settings = {
+        revisions = {
+          template = "builtin_log_compact";
+          revset = "ancestors(@ | heads(remote_branches())) ~ empty()";
+        };
+      };
+    };
+
+    nmt.script =
+      let
+        configDir = if !pkgs.stdenv.isDarwin then ".config/jjui" else "Library/Application Support/jjui";
+      in
+      ''
+        assertFileContent \
+          "home-files/${configDir}/config.toml" \
+          ${./example-settings-expected.toml}
+      '';
+  };
+}

tests/modules/programs/jjui/null-package.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  pkgs,
+  ...
+}:
+
+{
+  config = {
+    programs.jjui = {
+      enable = true;
+      package = null;
+      settings = {
+        revisions.template = "builtin_log_oneline";
+      };
+    };
+
+    nmt.script =
+      let
+        configDir = if !pkgs.stdenv.isDarwin then ".config/jjui" else "Library/Application Support/jjui";
+      in
+      ''
+        assertFileContent \
+          "home-files/${configDir}/config.toml" \
+          ${pkgs.writeText "expected" ''
+            [revisions]
+            template = "builtin_log_oneline"
+          ''}
+      '';
+  };
+}