fix(task): ensure root config always looks up dependencies in root (#26959)

We were accidentally looking up dependencies in the member.

cli/tools/task.rs

@@ -12,6 +12,7 @@ use deno_config::workspace::FolderConfigs;
 use deno_config::workspace::TaskDefinition;
 use deno_config::workspace::TaskOrScript;
 use deno_config::workspace::WorkspaceDirectory;
+use deno_config::workspace::WorkspaceMemberTasksConfig;
 use deno_config::workspace::WorkspaceTasksConfig;
 use deno_core::anyhow::anyhow;
 use deno_core::anyhow::bail;
@@ -270,11 +271,7 @@ impl<'a> TaskRunner<'a> {
     pkg_tasks_config: &PackageTaskInfo,
   ) -> Result<i32, deno_core::anyhow::Error> {
     match sort_tasks_topo(pkg_tasks_config) {
-      Ok(sorted) => {
-        self
-          .run_tasks_in_parallel(&pkg_tasks_config.tasks_config, sorted)
-          .await
-      }
+      Ok(sorted) => self.run_tasks_in_parallel(sorted).await,
       Err(err) => match err {
         TaskError::NotFound(name) => {
           if self.task_flags.is_run {
@@ -308,64 +305,62 @@ impl<'a> TaskRunner<'a> {
 
   async fn run_tasks_in_parallel(
     &self,
-    tasks_config: &WorkspaceTasksConfig,
-    task_names: Vec<String>,
+    tasks: Vec<ResolvedTask<'a>>,
   ) -> Result<i32, deno_core::anyhow::Error> {
-    struct PendingTasksContext {
-      completed: HashSet<String>,
-      running: HashSet<String>,
-      task_names: Vec<String>,
+    struct PendingTasksContext<'a> {
+      completed: HashSet<usize>,
+      running: HashSet<usize>,
+      tasks: &'a [ResolvedTask<'a>],
     }
 
-    impl PendingTasksContext {
+    impl<'a> PendingTasksContext<'a> {
       fn has_remaining_tasks(&self) -> bool {
-        self.completed.len() < self.task_names.len()
+        self.completed.len() < self.tasks.len()
       }
 
-      fn mark_complete(&mut self, task_name: String) {
-        self.running.remove(&task_name);
-        self.completed.insert(task_name);
+      fn mark_complete(&mut self, task: &ResolvedTask) {
+        self.running.remove(&task.id);
+        self.completed.insert(task.id);
       }
 
-      fn get_next_task<'a>(
+      fn get_next_task<'b>(
         &mut self,
-        runner: &'a TaskRunner<'a>,
-        tasks_config: &'a WorkspaceTasksConfig,
-      ) -> Option<LocalBoxFuture<'a, Result<(i32, String), AnyError>>> {
-        for name in &self.task_names {
-          if self.completed.contains(name) || self.running.contains(name) {
+        runner: &'b TaskRunner<'b>,
+      ) -> Option<
+        LocalBoxFuture<'b, Result<(i32, &'a ResolvedTask<'a>), AnyError>>,
+      >
+      where
+        'a: 'b,
+      {
+        for task in self.tasks.iter() {
+          if self.completed.contains(&task.id)
+            || self.running.contains(&task.id)
+          {
             continue;
           }
 
-          let Some((folder_url, task_or_script)) = tasks_config.task(name)
-          else {
-            continue;
-          };
-          let should_run = match task_or_script {
-            TaskOrScript::Task(_, def) => def
-              .dependencies
-              .iter()
-              .all(|dep| self.completed.contains(dep)),
-            TaskOrScript::Script(_, _) => true,
-          };
-
+          let should_run = task
+            .dependencies
+            .iter()
+            .all(|dep_id| self.completed.contains(dep_id));
           if !should_run {
             continue;
           }
 
-          self.running.insert(name.clone());
-          let name = name.clone();
+          self.running.insert(task.id);
           return Some(
             async move {
-              match task_or_script {
+              match task.task_or_script {
                 TaskOrScript::Task(_, def) => {
-                  runner.run_deno_task(folder_url, &name, def).await
+                  runner.run_deno_task(task.folder_url, task.name, def).await
                 }
                 TaskOrScript::Script(scripts, _) => {
-                  runner.run_npm_script(folder_url, &name, scripts).await
+                  runner
+                    .run_npm_script(task.folder_url, task.name, scripts)
+                    .await
                 }
               }
-              .map(|exit_code| (exit_code, name))
+              .map(|exit_code| (exit_code, task))
             }
             .boxed_local(),
           );
@@ -375,16 +370,16 @@ impl<'a> TaskRunner<'a> {
     }
 
     let mut context = PendingTasksContext {
-      completed: HashSet::with_capacity(task_names.len()),
+      completed: HashSet::with_capacity(tasks.len()),
       running: HashSet::with_capacity(self.concurrency),
-      task_names,
+      tasks: &tasks,
     };
 
     let mut queue = futures_unordered::FuturesUnordered::new();
 
     while context.has_remaining_tasks() {
       while queue.len() < self.concurrency {
-        if let Some(task) = context.get_next_task(self, tasks_config) {
+        if let Some(task) = context.get_next_task(self) {
           queue.push(task);
         } else {
           break;
@@ -393,7 +388,7 @@ impl<'a> TaskRunner<'a> {
 
       // If queue is empty at this point, then there are no more tasks in the queue.
       let Some(result) = queue.next().await else {
-        debug_assert_eq!(context.task_names.len(), 0);
+        debug_assert_eq!(context.tasks.len(), 0);
         break;
       };
 
@@ -521,46 +516,105 @@ enum TaskError {
   TaskDepCycle { path: Vec<String> },
 }
 
-fn sort_tasks_topo(
-  pkg_task_config: &PackageTaskInfo,
-) -> Result<Vec<String>, TaskError> {
+struct ResolvedTask<'a> {
+  id: usize,
+  name: &'a str,
+  folder_url: &'a Url,
+  task_or_script: TaskOrScript<'a>,
+  dependencies: Vec<usize>,
+}
+
+fn sort_tasks_topo<'a>(
+  pkg_task_config: &'a PackageTaskInfo,
+) -> Result<Vec<ResolvedTask<'a>>, TaskError> {
+  trait TasksConfig {
+    fn task(
+      &self,
+      name: &str,
+    ) -> Option<(&Url, TaskOrScript, &dyn TasksConfig)>;
+  }
+
+  impl TasksConfig for WorkspaceTasksConfig {
+    fn task(
+      &self,
+      name: &str,
+    ) -> Option<(&Url, TaskOrScript, &dyn TasksConfig)> {
+      if let Some(member) = &self.member {
+        if let Some((dir_url, task_or_script)) = member.task(name) {
+          return Some((dir_url, task_or_script, self as &dyn TasksConfig));
+        }
+      }
+      if let Some(root) = &self.root {
+        if let Some((dir_url, task_or_script)) = root.task(name) {
+          // switch to only using the root tasks for the dependencies
+          return Some((dir_url, task_or_script, root as &dyn TasksConfig));
+        }
+      }
+      None
+    }
+  }
+
+  impl TasksConfig for WorkspaceMemberTasksConfig {
+    fn task(
+      &self,
+      name: &str,
+    ) -> Option<(&Url, TaskOrScript, &dyn TasksConfig)> {
+      self.task(name).map(|(dir_url, task_or_script)| {
+        (dir_url, task_or_script, self as &dyn TasksConfig)
+      })
+    }
+  }
+
   fn sort_visit<'a>(
     name: &'a str,
-    sorted: &mut Vec<String>,
-    mut path: Vec<&'a str>,
-    tasks_config: &'a WorkspaceTasksConfig,
-  ) -> Result<(), TaskError> {
-    // Already sorted
-    if sorted.iter().any(|sorted_name| sorted_name == name) {
-      return Ok(());
-    }
-
-    // Graph has a cycle
-    if path.contains(&name) {
-      path.push(name);
-      return Err(TaskError::TaskDepCycle {
-        path: path.iter().map(|s| s.to_string()).collect(),
-      });
-    }
-
-    let Some((_, task_or_script)) = tasks_config.task(name) else {
+    sorted: &mut Vec<ResolvedTask<'a>>,
+    mut path: Vec<(&'a Url, &'a str)>,
+    tasks_config: &'a dyn TasksConfig,
+  ) -> Result<usize, TaskError> {
+    let Some((folder_url, task_or_script, tasks_config)) =
+      tasks_config.task(name)
+    else {
       return Err(TaskError::NotFound(name.to_string()));
     };
 
+    if let Some(existing_task) = sorted
+      .iter()
+      .find(|task| task.name == name && task.folder_url == folder_url)
+    {
+      // already exists
+      return Ok(existing_task.id);
+    }
+
+    if path.contains(&(folder_url, name)) {
+      path.push((folder_url, name));
+      return Err(TaskError::TaskDepCycle {
+        path: path.iter().map(|(_, s)| s.to_string()).collect(),
+      });
+    }
+
+    let mut dependencies: Vec<usize> = Vec::new();
     if let TaskOrScript::Task(_, task) = task_or_script {
+      dependencies.reserve(task.dependencies.len());
       for dep in &task.dependencies {
         let mut path = path.clone();
-        path.push(name);
-        sort_visit(dep, sorted, path, tasks_config)?
+        path.push((folder_url, name));
+        dependencies.push(sort_visit(dep, sorted, path, tasks_config)?);
       }
     }
 
-    sorted.push(name.to_string());
+    let id = sorted.len();
+    sorted.push(ResolvedTask {
+      id,
+      name,
+      folder_url,
+      task_or_script,
+      dependencies,
+    });
 
-    Ok(())
+    Ok(id)
   }
 
-  let mut sorted: Vec<String> = vec![];
+  let mut sorted: Vec<ResolvedTask<'a>> = vec![];
 
   for name in &pkg_task_config.matched_tasks {
     sort_visit(name, &mut sorted, Vec::new(), &pkg_task_config.tasks_config)?;

tests/specs/task/dependencies_root_not_cycle/__test__.jsonc

@@ -0,0 +1,5 @@
+{
+  "args": "task a",
+  "cwd": "member",
+  "output": "task.out"
+}

tests/specs/task/dependencies_root_not_cycle/deno.json

@@ -0,0 +1,10 @@
+{
+  "tasks": {
+    "a": "echo root-a",
+    "b": {
+      "dependencies": ["a"],
+      "command": "echo b"
+    }
+  },
+  "workspace": ["./member"]
+}

tests/specs/task/dependencies_root_not_cycle/member/deno.json

@@ -0,0 +1,8 @@
+{
+  "tasks": {
+    "a": {
+      "dependencies": ["b"],
+      "command": "echo a"
+    }
+  }
+}

tests/specs/task/dependencies_root_not_cycle/task.out

@@ -0,0 +1,6 @@
+Task a echo root-a
+root-a
+Task b echo b
+b
+Task a echo a
+a

tests/specs/task/dependencies_shadowed_root_name/__test__.jsonc

@@ -0,0 +1,14 @@
+{
+  "tests": {
+    "root_dependending_root": {
+      "args": "task root-depending-root",
+      "cwd": "member",
+      "output": "root_dependending_root.out"
+    },
+    "member_depending_root_and_member": {
+      "args": "task member-dependending-root-and-member",
+      "cwd": "member",
+      "output": "member_depending_root_and_member.out"
+    }
+  }
+}

tests/specs/task/dependencies_shadowed_root_name/deno.jsonc

@@ -0,0 +1,12 @@
+{
+  "tasks": {
+    "build": "echo root",
+    "root-depending-root": {
+      "dependencies": [
+        "build"
+      ],
+      "command": "echo test"
+    }
+  },
+  "workspace": ["./member"]
+}

tests/specs/task/dependencies_shadowed_root_name/member/deno.jsonc

@@ -0,0 +1,12 @@
+{
+  "tasks": {
+    "build": "echo member",
+    "member-dependending-root-and-member": {
+      "dependencies": [
+        "build",
+        "root-depending-root"
+      ],
+      "command": "echo member-test"
+    }
+  }
+}

tests/specs/task/dependencies_shadowed_root_name/member_depending_root_and_member.out

@@ -0,0 +1,10 @@
+[UNORDERED_START]
+Task build echo member
+member
+Task build echo root
+root
+Task root-depending-root echo test
+test
+[UNORDERED_END]
+Task member-dependending-root-and-member echo member-test
+member-test

tests/specs/task/dependencies_shadowed_root_name/root_dependending_root.out

@@ -0,0 +1,4 @@
+Task build echo root
+root
+Task root-depending-root echo test
+test