Forward CLI extra args only to explicitly requested tasks

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Changelog
 
+- **Changed** Arguments passed after a task name (e.g. `vp run test some-filter`) are now forwarded only to that task. Tasks pulled in via `dependsOn` no longer receive them ([#324](https://github.com/voidzero-dev/vite-task/issues/324))
 - **Fixed** Windows file access tracking no longer panics when a task touches malformed paths that cannot be represented as workspace-relative inputs ([#330](https://github.com/voidzero-dev/vite-task/pull/330))
 - **Fixed** `vp run --cache` now supports running without a task specifier and opens the interactive task selector, matching bare `vp run` behavior ([#312](https://github.com/voidzero-dev/vite-task/pull/313))
 - **Fixed** Ctrl-C now prevents future tasks from being scheduled and prevents caching of in-flight task results ([#309](https://github.com/voidzero-dev/vite-task/pull/309))

crates/vite_task_graph/src/query/mod.rs

@@ -26,9 +26,26 @@ use crate::{IndexedTaskGraph, TaskDependencyType, TaskId, TaskNodeIndex};
 
 /// A task execution graph queried from a `TaskQuery`.
 ///
-/// Nodes are `TaskNodeIndex` values into the full `TaskGraph`.
+/// Nodes in `graph` are `TaskNodeIndex` values into the full `TaskGraph`.
 /// Edges represent the final dependency relationships between tasks (no weights).
-pub type TaskExecutionGraph = DiGraphMap<TaskNodeIndex, ()>;
+///
+/// `requested` is the subset of nodes the user typed on the CLI — i.e. the
+/// nodes added by `map_subgraph_to_tasks` (stage 2), not the ones reached
+/// only via `dependsOn` expansion in `IndexedTaskGraph::add_dependencies` (stage 3).
+///
+/// For example, given `test` with `dependsOn: ["build"]` and the command
+/// `vp run test some-filter`:
+///
+/// - `graph` contains both `test` and `build` with an edge between them.
+/// - `requested` contains only `test`.
+///
+/// The planner uses this distinction to forward `some-filter` to `test`
+/// while running `build` with no extra args.
+#[derive(Debug, Default, Clone)]
+pub struct TaskExecutionGraph {
+    pub graph: DiGraphMap<TaskNodeIndex, ()>,
+    pub requested: FxHashSet<TaskNodeIndex>,
+}
 
 /// A query for which tasks to run.
 ///
@@ -167,13 +184,17 @@ impl IndexedTaskGraph {
         // Map remaining nodes and their edges to task nodes.
         // Every node still in `subgraph` is in `pkg_to_task`; the index operator
         // panics on a missing key — that would be a bug in the loop above.
+        //
+        // All nodes added here are explicitly-requested tasks, so they are
+        // inserted into both the inner graph and the `requested` set.
         for &task_idx in pkg_to_task.values() {
-            execution_graph.add_node(task_idx);
+            execution_graph.graph.add_node(task_idx);
+            execution_graph.requested.insert(task_idx);
         }
         for (src, dst, ()) in subgraph.all_edges() {
             let st = pkg_to_task[&src];
             let dt = pkg_to_task[&dst];
-            execution_graph.add_edge(st, dt, ());
+            execution_graph.graph.add_edge(st, dt, ());
         }
     }
 
@@ -187,9 +208,13 @@ impl IndexedTaskGraph {
         execution_graph: &mut TaskExecutionGraph,
         mut filter_edge: impl FnMut(TaskDependencyType) -> bool,
     ) {
-        let mut frontier: FxHashSet<TaskNodeIndex> = execution_graph.nodes().collect();
+        let mut frontier: FxHashSet<TaskNodeIndex> = execution_graph.graph.nodes().collect();
 
         // Continue until no new nodes are added to the frontier.
+        //
+        // Nodes added here are dependency-only tasks and must NOT be marked as
+        // `requested` — the planner uses that distinction to decide whether to
+        // forward CLI extra args to a task.
         while !frontier.is_empty() {
             let mut next_frontier = FxHashSet::<TaskNodeIndex>::default();
 
@@ -198,8 +223,8 @@ impl IndexedTaskGraph {
                     let to_node = edge_ref.target();
                     let dep_type = *edge_ref.weight();
                     if filter_edge(dep_type) {
-                        let is_new = !execution_graph.contains_node(to_node);
-                        execution_graph.add_edge(from_node, to_node, ());
+                        let is_new = !execution_graph.graph.contains_node(to_node);
+                        execution_graph.graph.add_edge(from_node, to_node, ());
                         if is_new {
                             next_frontier.insert(to_node);
                         }

crates/vite_task_plan/src/plan.rs

@@ -653,6 +653,7 @@ fn plan_spawn_execution(
 /// `vp run build` produces a different query than the script's `vp run -r build`,
 /// so the skip rule doesn't fire, but the prune rule catches root in the result).
 /// Like the skip rule, extra args don't affect this — only the `TaskQuery` matters.
+#[expect(clippy::too_many_lines, reason = "sequential planning steps are clearer in one function")]
 pub async fn plan_query_request(
     query: Arc<TaskQuery>,
     plan_options: PlanOptions,
@@ -696,7 +697,15 @@ pub async fn plan_query_request(
 
     let parallel = plan_options.parallel;
 
-    context.set_extra_args(plan_options.extra_args);
+    // Extra args are applied per-task below, not globally on the context.
+    // Tasks explicitly requested by the query receive `extra_args`; tasks
+    // only reached via `dependsOn` expansion receive an empty slice so that
+    // caller-specific CLI args don't pollute dependency tasks.
+    // See https://github.com/voidzero-dev/vite-task/issues/324.
+    let extra_args = plan_options.extra_args;
+    // Allocated once and shared across every dep-only task's context below,
+    // instead of calling `Arc::new([])` inside the per-task loop.
+    let empty_extra_args: Arc<[Str]> = Arc::from([]);
     context.set_parent_query(Arc::clone(&query));
 
     // Query matching tasks from the task graph.
@@ -715,35 +724,43 @@ pub async fn plan_query_request(
     // This handles cases like root `"build": "vp run build"` — the root's build
     // task is in the result but expanding it would recurse, so we remove it and
     // reconnect its predecessors directly to its successors.
-    let pruned_task = context.expanding_task().filter(|t| task_node_index_graph.contains_node(*t));
+    let pruned_task =
+        context.expanding_task().filter(|t| task_node_index_graph.graph.contains_node(*t));
 
     let mut execution_node_indices_by_task_index =
         FxHashMap::<TaskNodeIndex, ExecutionNodeIndex>::with_capacity_and_hasher(
-            task_node_index_graph.node_count(),
+            task_node_index_graph.graph.node_count(),
             rustc_hash::FxBuildHasher,
         );
 
     // Build the inner DiGraph first, then validate acyclicity at the end.
     let mut inner_graph = InnerExecutionGraph::with_capacity(
-        task_node_index_graph.node_count(),
-        task_node_index_graph.edge_count(),
+        task_node_index_graph.graph.node_count(),
+        task_node_index_graph.graph.edge_count(),
     );
 
     // Plan each task node as execution nodes, skipping the pruned task
-    for task_index in task_node_index_graph.nodes() {
+    for task_index in task_node_index_graph.graph.nodes() {
         if Some(task_index) == pruned_task {
             continue;
         }
-        let task_execution = plan_task_as_execution_node(task_index, context.duplicate(), true)
-            .boxed_local()
-            .await?;
+        let mut task_context = context.duplicate();
+        // Only the explicitly requested tasks receive CLI extra args.
+        // Dep-only tasks (pulled in via `dependsOn`) run with empty extras.
+        if task_node_index_graph.requested.contains(&task_index) {
+            task_context.set_extra_args(Arc::clone(&extra_args));
+        } else {
+            task_context.set_extra_args(Arc::clone(&empty_extra_args));
+        }
+        let task_execution =
+            plan_task_as_execution_node(task_index, task_context, true).boxed_local().await?;
         execution_node_indices_by_task_index
             .insert(task_index, inner_graph.add_node(task_execution));
     }
 
     // Add edges between execution nodes according to task dependencies,
     // skipping edges involving the pruned task.
-    for (from_task_index, to_task_index, ()) in task_node_index_graph.all_edges() {
+    for (from_task_index, to_task_index, ()) in task_node_index_graph.graph.all_edges() {
         if Some(from_task_index) == pruned_task || Some(to_task_index) == pruned_task {
             continue;
         }
@@ -757,9 +774,9 @@ pub async fn plan_query_request(
     // Reconnect through the pruned node: wire each predecessor directly to each successor.
     if let Some(pruned) = pruned_task {
         let preds: Vec<_> =
-            task_node_index_graph.neighbors_directed(pruned, Direction::Incoming).collect();
+            task_node_index_graph.graph.neighbors_directed(pruned, Direction::Incoming).collect();
         let succs: Vec<_> =
-            task_node_index_graph.neighbors_directed(pruned, Direction::Outgoing).collect();
+            task_node_index_graph.graph.neighbors_directed(pruned, Direction::Outgoing).collect();
         for &pred in &preds {
             for &succ in &succs {
                 if let (Some(&pe), Some(&se)) = (

crates/vite_task_plan/tests/plan_snapshots/fixtures/extra-args-not-forwarded-to-depends-on/package.json

@@ -0,0 +1,3 @@
+{
+  "name": "@test/extra-args-not-forwarded-to-depends-on"
+}

crates/vite_task_plan/tests/plan_snapshots/fixtures/extra-args-not-forwarded-to-depends-on/snapshots.toml

@@ -0,0 +1,7 @@
+# Tests that extra args (`vt run test some-filter`) are forwarded only to the
+# explicitly requested task (`test`), not to `dependsOn` tasks (`build`).
+# https://github.com/voidzero-dev/vite-task/issues/324
+
+[[plan]]
+name = "extra args only reach requested task"
+args = ["run", "test", "some-filter"]

crates/vite_task_plan/tests/plan_snapshots/fixtures/extra-args-not-forwarded-to-depends-on/snapshots/query - extra args only reach requested task.snap

@@ -0,0 +1,182 @@
+---
+source: crates/vite_task_plan/tests/plan_snapshots/main.rs
+expression: "&plan_json"
+info:
+  args:
+    - run
+    - test
+    - some-filter
+input_file: crates/vite_task_plan/tests/plan_snapshots/fixtures/extra-args-not-forwarded-to-depends-on
+---
+{
+  "graph": [
+    {
+      "key": [
+        "<workspace>/",
+        "build"
+      ],
+      "node": {
+        "task_display": {
+          "package_name": "@test/extra-args-not-forwarded-to-depends-on",
+          "task_name": "build",
+          "package_path": "<workspace>/"
+        },
+        "items": [
+          {
+            "execution_item_display": {
+              "task_display": {
+                "package_name": "@test/extra-args-not-forwarded-to-depends-on",
+                "task_name": "build",
+                "package_path": "<workspace>/"
+              },
+              "command": "vt tool print build",
+              "and_item_index": null,
+              "cwd": "<workspace>/"
+            },
+            "kind": {
+              "Leaf": {
+                "Spawn": {
+                  "cache_metadata": {
+                    "spawn_fingerprint": {
+                      "cwd": "",
+                      "program_fingerprint": {
+                        "OutsideWorkspace": {
+                          "program_name": "vtt"
+                        }
+                      },
+                      "args": [
+                        "print",
+                        "build"
+                      ],
+                      "env_fingerprints": {
+                        "fingerprinted_envs": {},
+                        "untracked_env_config": [
+                          "<default untracked envs>"
+                        ]
+                      }
+                    },
+                    "execution_cache_key": {
+                      "UserTask": {
+                        "task_name": "build",
+                        "and_item_index": 0,
+                        "extra_args": [],
+                        "package_path": ""
+                      }
+                    },
+                    "input_config": {
+                      "includes_auto": true,
+                      "positive_globs": [],
+                      "negative_globs": []
+                    }
+                  },
+                  "spawn_command": {
+                    "program_path": "<tools>/vtt",
+                    "args": [
+                      "print",
+                      "build"
+                    ],
+                    "all_envs": {
+                      "NO_COLOR": "1",
+                      "PATH": "<workspace>/node_modules/.bin:<tools>"
+                    },
+                    "cwd": "<workspace>/"
+                  }
+                }
+              }
+            }
+          }
+        ]
+      },
+      "neighbors": []
+    },
+    {
+      "key": [
+        "<workspace>/",
+        "test"
+      ],
+      "node": {
+        "task_display": {
+          "package_name": "@test/extra-args-not-forwarded-to-depends-on",
+          "task_name": "test",
+          "package_path": "<workspace>/"
+        },
+        "items": [
+          {
+            "execution_item_display": {
+              "task_display": {
+                "package_name": "@test/extra-args-not-forwarded-to-depends-on",
+                "task_name": "test",
+                "package_path": "<workspace>/"
+              },
+              "command": "vt tool print test some-filter",
+              "and_item_index": null,
+              "cwd": "<workspace>/"
+            },
+            "kind": {
+              "Leaf": {
+                "Spawn": {
+                  "cache_metadata": {
+                    "spawn_fingerprint": {
+                      "cwd": "",
+                      "program_fingerprint": {
+                        "OutsideWorkspace": {
+                          "program_name": "vtt"
+                        }
+                      },
+                      "args": [
+                        "print",
+                        "test",
+                        "some-filter"
+                      ],
+                      "env_fingerprints": {
+                        "fingerprinted_envs": {},
+                        "untracked_env_config": [
+                          "<default untracked envs>"
+                        ]
+                      }
+                    },
+                    "execution_cache_key": {
+                      "UserTask": {
+                        "task_name": "test",
+                        "and_item_index": 0,
+                        "extra_args": [
+                          "some-filter"
+                        ],
+                        "package_path": ""
+                      }
+                    },
+                    "input_config": {
+                      "includes_auto": true,
+                      "positive_globs": [],
+                      "negative_globs": []
+                    }
+                  },
+                  "spawn_command": {
+                    "program_path": "<tools>/vtt",
+                    "args": [
+                      "print",
+                      "test",
+                      "some-filter"
+                    ],
+                    "all_envs": {
+                      "NO_COLOR": "1",
+                      "PATH": "<workspace>/node_modules/.bin:<tools>"
+                    },
+                    "cwd": "<workspace>/"
+                  }
+                }
+              }
+            }
+          }
+        ]
+      },
+      "neighbors": [
+        [
+          "<workspace>/",
+          "build"
+        ]
+      ]
+    }
+  ],
+  "concurrency_limit": 4
+}