chore: initial commit

2025-12-12 06:10:06 +01:00 · 2025-09-17 11:59:53 +02:00 · 2025-09-17 11:59:53 +02:00 · db488d8f41
commit db488d8f41
26 changed files with 1077 additions and 0 deletions
--- a/lib/modules/taskfile.nix
+++ b/lib/modules/taskfile.nix
@ -0,0 +1,102 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  inherit (lib) mapAttrs mkEnableOption mkOption mkIf types;
+  cfg = config.task;
+
+  patchedTasks = mapAttrs (_name: value: let
+    taskDir = value.dir or "";
+    absolutePathOrTemplate = (builtins.substring 0 1 taskDir) == "/" || (builtins.substring 0 1 taskDir) == "{";
+  in
+    value
+    // {
+      dir =
+        if absolutePathOrTemplate
+        then taskDir
+        else ''{{env "TASK_ROOT_DIR" | default .USER_WORKING_DIR}}/${taskDir}'';
+    })
+  cfg.tasks;
+
+  generator = name: value:
+    pkgs.writeTextFile {
+      inherit name;
+      text = builtins.toJSON value;
+    };
+  # NOTE: this requires python just to convert json to yaml, since json is valid yaml we just ignore that
+  # generator = (pkgs.formats.yaml {}).generate;
+  taskfile = generator "taskfile" {
+    version = 3;
+    inherit (cfg) interval;
+    tasks = patchedTasks;
+  };
+  # when using a , as alias for example the store path looks weird.
+  # This way it can be identified as being the task alias
+  taskAlias = pkgs.writeTextFile {
+    name = "task-alias";
+    destination = "/bin/${cfg.alias}";
+    executable = true;
+    text = let
+      taskfileScript =
+        if cfg.lazy
+        then
+          # sh
+          "$(nix build '${builtins.unsafeDiscardOutputDependency taskfile.drvPath}^*' --no-link --print-out-paths)"
+        else taskfile;
+    in
+      # sh
+      ''
+        TASKFILE="${taskfileScript}"
+        STATE_DIR="''${REN_STATE:-''${DEVENV_STATE:-''${PRJ_CACHE_HOME}}}"
+        ROOT_DIR="''${REN_ROOT:-''${DEVENV_ROOT:-''${PRJ_ROOT}}}"
+
+        TASK_TEMP_DIR="''${STATE_DIR}/.task" \
+          TASK_ROOT_DIR="$ROOT_DIR" \
+          ${pkgs.go-task}/bin/task --taskfile "$TASKFILE" ''${@:1}
+      '';
+  };
+in {
+  options.task = {
+    enable =
+      mkEnableOption "Task"
+      // {
+        default = cfg.tasks != {};
+      };
+    lazy = mkOption {
+      type = types.bool;
+      default = true;
+      description = ''
+        Whether the taskfile should be built on-demand/lazily.
+        It will probably not land in the gcroot and thus might get cleaned up with every gc.
+        On the other hand, this way loading the devshell is faster. Decide for yourself :)
+      '';
+    };
+    alias = mkOption {
+      type = types.str;
+      default = "task";
+      description = ''
+        Alias for `task`, eg. set to `,` to be able to run `, --list-all`.
+      '';
+    };
+    interval = mkOption {
+      type = types.str;
+      default = "5000ms";
+      description = ''
+        Interval for `task` to check for filesystem changes/watcher updates.
+      '';
+    };
+    tasks = mkOption {
+      type = types.attrs;
+      default = {};
+      description = ''
+        Configure all your tasks here.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    packages = [taskAlias];
+  };
+}