programs.khal: add settings option (#4375)

modules/programs/khal.nix

@@ -7,6 +7,8 @@ let
 
   cfg = config.programs.khal;
 
+  iniFormat = pkgs.formats.ini { };
+
   khalCalendarAccounts =
     filterAttrs (_: a: a.khal.enable) config.accounts.calendar.accounts;
 
@@ -147,6 +149,7 @@ let
 in {
   options.programs.khal = {
     enable = mkEnableOption "khal, a CLI calendar application";
+
     locale = mkOption {
       type = lib.types.submodule { options = localeOptions; };
       description = ''
@@ -154,6 +157,25 @@ in {
       '';
       default = { };
     };
+
+    settings = mkOption {
+      type = iniFormat.type;
+      default = { };
+      example = literalExpression ''
+        {
+          default = {
+            default_calendar = "Calendar";
+            timedelta = "5d";
+          };
+          view = {
+            agenda_event_format =
+              "{calendar-color}{cancelled}{start-end-time-style} {title}{repeat-symbol}{reset}";
+          };
+        }'';
+      description = ''
+        Configuration options to add to the various sections in the configuration file.
+      '';
+    };
   };
 
   config = mkIf cfg.enable {
@@ -161,7 +183,7 @@ in {
 
     xdg.configFile."khal/config".text = concatStringsSep "\n" ([ "[calendars]" ]
       ++ mapAttrsToList genCalendarStr khalAccounts ++ [
-        (generators.toINI { } {
+        (generators.toINI { } (recursiveUpdate cfg.settings {
           locale = definedAttrs (cfg.locale // { _module = null; });
 
           default = optionalAttrs (!isNull primaryAccount) {
@@ -171,7 +193,7 @@ in {
             else
               primaryAccount.primaryCollection;
           };
-        })
+        }))
       ]);
   };
 }

tests/modules/programs/khal/config.nix

@@ -1,7 +1,15 @@
 { ... }:
 
 {
-  programs.khal.enable = true;
+  programs.khal = {
+    enable = true;
+    settings = {
+      default.timedelta = "5d";
+      view.agenda_event_format =
+        "{calendar-color}{cancelled}{start-end-time-style} {title}{repeat-symbol}{reset}";
+    };
+
+  };
   accounts.calendar = {
     basePath = "$XDG_CONFIG_HOME/cal";
     accounts = {
@@ -27,6 +35,8 @@
   test.stubs = { khal = { }; };
 
   nmt.script = ''
-    assertFileExists home-files/.config/khal/config
+    configFile=home-files/.config/khal/config
+    assertFileExists $configFile
+    assertFileContent $configFile ${./khal-config-expected}
   '';
 }

tests/modules/programs/khal/khal-config-expected

@@ -0,0 +1,26 @@
+[calendars]
+[[test]]
+path = /home/hm-user/$XDG_CONFIG_HOME/cal/test/
+readonly = True
+priority=10
+type=calendar
+
+
+
+[default]
+default_calendar=test
+highlight_event_days=true
+timedelta=5d
+
+[locale]
+dateformat=%x
+datetimeformat=%c
+firstweekday=0
+longdateformat=%x
+longdatetimeformat=%c
+timeformat=%X
+unicode_symbols=true
+weeknumbers=off
+
+[view]
+agenda_event_format={calendar-color}{cancelled}{start-end-time-style} {title}{repeat-symbol}{reset}