refactor: nixify / clean remaining dots scripts

home/modules/bin/scripts/taskdeps

@@ -0,0 +1,93 @@
+#!/usr/bin/env python3
+
+import argparse
+import json
+import subprocess
+from collections import defaultdict
+
+
+def get_task_data():
+    command = ["task", "+PENDING", "or", "+WAITING", "-COMPLETED", "-DELETED", "export"]
+    return json.loads(subprocess.check_output(command))
+
+
+def parse_task_data(data):
+    dependency_graph = defaultdict(list)
+    task_details = {}
+    dependent_tasks = set()
+
+    for task in data:
+        task_id = task["uuid"]
+        task_details[task_id] = {
+            "id": task.get("id", "?"),
+            "description": task.get("description", "No description"),
+            "status": task.get("status", "Unknown status"),
+        }
+        for dependency in task.get("depends", []):
+            dependency_graph[dependency].append(task_id)
+            dependent_tasks.add(task_id)
+
+    root_tasks = set(task_details.keys()) - dependent_tasks
+    return task_details, dependency_graph, root_tasks
+
+
+def render_dependency_dag(task_details, dependency_graph, root_tasks, show_id):
+    dag_lines = []
+    global_visited = set()
+
+    def dfs(task_id, prefix="", is_last=True, visited=None):
+        if visited is None:
+            visited = set()
+
+        if task_id in visited:
+            return
+
+        visited.add(task_id)
+        global_visited.add(task_id)
+
+        task_info = task_details[task_id]
+        task_line = f"{prefix}{'└── ' if is_last else '├── '}{str(task_info['id']) + ': ' if show_id else ''}{task_info['description']} ({task_info['status']})"
+        dag_lines.append(task_line)
+
+        children = dependency_graph.get(task_id, [])
+        for idx, child in enumerate(children):
+            child_is_last = idx == len(children) - 1
+            child_prefix = prefix + ("    " if is_last else "│   ")
+            dfs(child, child_prefix, child_is_last, visited.copy())
+
+    root_tasks_with_children = [
+        root for root in root_tasks if dependency_graph.get(root, [])
+    ]
+    for root in sorted(
+        root_tasks_with_children,
+        key=lambda x: len(dependency_graph.get(x, [])),
+        reverse=True,
+    ):
+        if root not in global_visited:
+            dfs(root)
+            dag_lines.append("")
+
+    return "\n".join(dag_lines).rstrip()
+
+
+def main(args):
+    data = get_task_data()
+    task_details, dependency_graph, root_tasks = parse_task_data(data)
+    ascii_dag = render_dependency_dag(
+        task_details, dependency_graph, root_tasks, show_id=args.show_id
+    )
+    print(ascii_dag)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Generates a task dependency DAG for Taskwarrior tasks."
+    )
+    parser.add_argument(
+        "--show-id",
+        action="store_true",
+        default=False,
+        help="Include task IDs in the output.",
+    )
+    args = parser.parse_args()
+    main(args)