task_inventory.rs

   1//! Project-wide storage of the tasks available, capable of updating itself from the sources set.
   2
   3use std::{
   4    borrow::Cow,
   5    cmp::{self, Reverse},
   6    collections::hash_map,
   7    path::{Path, PathBuf},
   8    sync::Arc,
   9};
  10
  11use anyhow::Result;
  12use collections::{HashMap, HashSet, VecDeque};
  13use dap::DapRegistry;
  14use gpui::{App, AppContext as _, Context, Entity, SharedString, Task, WeakEntity};
  15use itertools::Itertools;
  16use language::{
  17    Buffer, ContextLocation, ContextProvider, File, Language, LanguageToolchainStore, Location,
  18    language_settings::language_settings,
  19};
  20use lsp::{LanguageServerId, LanguageServerName};
  21use paths::{debug_task_file_name, task_file_name};
  22use settings::{InvalidSettingsError, parse_json_with_comments};
  23use task::{
  24    DebugScenario, ResolvedTask, TaskContext, TaskId, TaskTemplate, TaskTemplates, TaskVariables,
  25    VariableName,
  26};
  27use text::{BufferId, Point, ToPoint};
  28use util::{NumericPrefixWithSuffix, ResultExt as _, paths::PathExt as _, post_inc};
  29use worktree::WorktreeId;
  30
  31use crate::{task_store::TaskSettingsLocation, worktree_store::WorktreeStore};
  32
  33#[derive(Clone, Debug, Default)]
  34pub struct DebugScenarioContext {
  35    pub task_context: TaskContext,
  36    pub worktree_id: Option<WorktreeId>,
  37    pub active_buffer: Option<WeakEntity<Buffer>>,
  38}
  39
  40/// Inventory tracks available tasks for a given project.
  41pub struct Inventory {
  42    last_scheduled_tasks: VecDeque<(TaskSourceKind, ResolvedTask)>,
  43    last_scheduled_scenarios: VecDeque<(DebugScenario, DebugScenarioContext)>,
  44    templates_from_settings: InventoryFor<TaskTemplate>,
  45    scenarios_from_settings: InventoryFor<DebugScenario>,
  46}
  47
  48impl std::fmt::Debug for Inventory {
  49    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  50        f.debug_struct("Inventory")
  51            .field("last_scheduled_tasks", &self.last_scheduled_tasks)
  52            .field("last_scheduled_scenarios", &self.last_scheduled_scenarios)
  53            .field("templates_from_settings", &self.templates_from_settings)
  54            .field("scenarios_from_settings", &self.scenarios_from_settings)
  55            .finish()
  56    }
  57}
  58
  59// Helper trait for better error messages in [InventoryFor]
  60trait InventoryContents: Clone {
  61    const GLOBAL_SOURCE_FILE: &'static str;
  62    const LABEL: &'static str;
  63}
  64
  65impl InventoryContents for TaskTemplate {
  66    const GLOBAL_SOURCE_FILE: &'static str = "tasks.json";
  67    const LABEL: &'static str = "tasks";
  68}
  69
  70impl InventoryContents for DebugScenario {
  71    const GLOBAL_SOURCE_FILE: &'static str = "debug.json";
  72
  73    const LABEL: &'static str = "debug scenarios";
  74}
  75
  76#[derive(Debug)]
  77struct InventoryFor<T> {
  78    global: HashMap<PathBuf, Vec<T>>,
  79    worktree: HashMap<WorktreeId, HashMap<Arc<Path>, Vec<T>>>,
  80}
  81
  82impl<T: InventoryContents> InventoryFor<T> {
  83    fn worktree_scenarios(
  84        &self,
  85        worktree: WorktreeId,
  86    ) -> impl '_ + Iterator<Item = (TaskSourceKind, T)> {
  87        self.worktree
  88            .get(&worktree)
  89            .into_iter()
  90            .flatten()
  91            .flat_map(|(directory, templates)| {
  92                templates.iter().map(move |template| (directory, template))
  93            })
  94            .map(move |(directory, template)| {
  95                (
  96                    TaskSourceKind::Worktree {
  97                        id: worktree,
  98                        directory_in_worktree: directory.to_path_buf(),
  99                        id_base: Cow::Owned(format!(
 100                            "local worktree {} from directory {directory:?}",
 101                            T::LABEL
 102                        )),
 103                    },
 104                    template.clone(),
 105                )
 106            })
 107    }
 108
 109    fn global_scenarios(&self) -> impl '_ + Iterator<Item = (TaskSourceKind, T)> {
 110        self.global.iter().flat_map(|(file_path, templates)| {
 111            templates.iter().map(|template| {
 112                (
 113                    TaskSourceKind::AbsPath {
 114                        id_base: Cow::Owned(format!("global {}", T::GLOBAL_SOURCE_FILE)),
 115                        abs_path: file_path.clone(),
 116                    },
 117                    template.clone(),
 118                )
 119            })
 120        })
 121    }
 122}
 123
 124impl<T> Default for InventoryFor<T> {
 125    fn default() -> Self {
 126        Self {
 127            global: HashMap::default(),
 128            worktree: HashMap::default(),
 129        }
 130    }
 131}
 132
 133/// Kind of a source the tasks are fetched from, used to display more source information in the UI.
 134#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
 135pub enum TaskSourceKind {
 136    /// bash-like commands spawned by users, not associated with any path
 137    UserInput,
 138    /// Tasks from the worktree's .zed/task.json
 139    Worktree {
 140        id: WorktreeId,
 141        directory_in_worktree: PathBuf,
 142        id_base: Cow<'static, str>,
 143    },
 144    /// ~/.config/zed/task.json - like global files with task definitions, applicable to any path
 145    AbsPath {
 146        id_base: Cow<'static, str>,
 147        abs_path: PathBuf,
 148    },
 149    /// Languages-specific tasks coming from extensions.
 150    Language { name: SharedString },
 151    /// Language-specific tasks coming from LSP servers.
 152    Lsp {
 153        language_name: SharedString,
 154        server: LanguageServerId,
 155    },
 156}
 157
 158/// A collection of task contexts, derived from the current state of the workspace.
 159/// Only contains worktrees that are visible and with their root being a directory.
 160#[derive(Debug, Default)]
 161pub struct TaskContexts {
 162    /// A context, related to the currently opened item.
 163    /// Item can be opened from an invisible worktree, or any other, not necessarily active worktree.
 164    pub active_item_context: Option<(Option<WorktreeId>, Option<Location>, TaskContext)>,
 165    /// A worktree that corresponds to the active item, or the only worktree in the workspace.
 166    pub active_worktree_context: Option<(WorktreeId, TaskContext)>,
 167    /// If there are multiple worktrees in the workspace, all non-active ones are included here.
 168    pub other_worktree_contexts: Vec<(WorktreeId, TaskContext)>,
 169    pub lsp_task_sources: HashMap<LanguageServerName, Vec<BufferId>>,
 170    pub latest_selection: Option<text::Anchor>,
 171}
 172
 173impl TaskContexts {
 174    pub fn active_context(&self) -> Option<&TaskContext> {
 175        self.active_item_context
 176            .as_ref()
 177            .map(|(_, _, context)| context)
 178            .or_else(|| {
 179                self.active_worktree_context
 180                    .as_ref()
 181                    .map(|(_, context)| context)
 182            })
 183    }
 184
 185    pub fn location(&self) -> Option<&Location> {
 186        self.active_item_context
 187            .as_ref()
 188            .and_then(|(_, location, _)| location.as_ref())
 189    }
 190
 191    pub fn file(&self, cx: &App) -> Option<Arc<dyn File>> {
 192        self.active_item_context
 193            .as_ref()
 194            .and_then(|(_, location, _)| location.as_ref())
 195            .and_then(|location| location.buffer.read(cx).file().cloned())
 196    }
 197
 198    pub fn worktree(&self) -> Option<WorktreeId> {
 199        self.active_item_context
 200            .as_ref()
 201            .and_then(|(worktree_id, _, _)| worktree_id.as_ref())
 202            .or_else(|| {
 203                self.active_worktree_context
 204                    .as_ref()
 205                    .map(|(worktree_id, _)| worktree_id)
 206            })
 207            .copied()
 208    }
 209
 210    pub fn task_context_for_worktree_id(&self, worktree_id: WorktreeId) -> Option<&TaskContext> {
 211        self.active_worktree_context
 212            .iter()
 213            .chain(self.other_worktree_contexts.iter())
 214            .find(|(id, _)| *id == worktree_id)
 215            .map(|(_, context)| context)
 216    }
 217}
 218
 219impl TaskSourceKind {
 220    pub fn to_id_base(&self) -> String {
 221        match self {
 222            Self::UserInput => "oneshot".to_string(),
 223            Self::AbsPath { id_base, abs_path } => {
 224                format!("{id_base}_{}", abs_path.display())
 225            }
 226            Self::Worktree {
 227                id,
 228                id_base,
 229                directory_in_worktree,
 230            } => {
 231                format!("{id_base}_{id}_{}", directory_in_worktree.display())
 232            }
 233            Self::Language { name } => format!("language_{name}"),
 234            Self::Lsp {
 235                server,
 236                language_name,
 237            } => format!("lsp_{language_name}_{server}"),
 238        }
 239    }
 240}
 241
 242impl Inventory {
 243    pub fn new(cx: &mut App) -> Entity<Self> {
 244        cx.new(|_| Self {
 245            last_scheduled_tasks: VecDeque::default(),
 246            last_scheduled_scenarios: VecDeque::default(),
 247            templates_from_settings: InventoryFor::default(),
 248            scenarios_from_settings: InventoryFor::default(),
 249        })
 250    }
 251
 252    pub fn scenario_scheduled(
 253        &mut self,
 254        scenario: DebugScenario,
 255        task_context: TaskContext,
 256        worktree_id: Option<WorktreeId>,
 257        active_buffer: Option<WeakEntity<Buffer>>,
 258    ) {
 259        self.last_scheduled_scenarios
 260            .retain(|(s, _)| s.label != scenario.label);
 261        self.last_scheduled_scenarios.push_front((
 262            scenario,
 263            DebugScenarioContext {
 264                task_context,
 265                worktree_id,
 266                active_buffer,
 267            },
 268        ));
 269        if self.last_scheduled_scenarios.len() > 5_000 {
 270            self.last_scheduled_scenarios.pop_front();
 271        }
 272    }
 273
 274    pub fn last_scheduled_scenario(&self) -> Option<&(DebugScenario, DebugScenarioContext)> {
 275        self.last_scheduled_scenarios.back()
 276    }
 277
 278    pub fn list_debug_scenarios(
 279        &self,
 280        task_contexts: &TaskContexts,
 281        lsp_tasks: Vec<(TaskSourceKind, task::ResolvedTask)>,
 282        current_resolved_tasks: Vec<(TaskSourceKind, task::ResolvedTask)>,
 283        add_current_language_tasks: bool,
 284        cx: &mut App,
 285    ) -> Task<(
 286        Vec<(DebugScenario, DebugScenarioContext)>,
 287        Vec<(TaskSourceKind, DebugScenario)>,
 288    )> {
 289        let mut scenarios = Vec::new();
 290
 291        if let Some(worktree_id) = task_contexts
 292            .active_worktree_context
 293            .iter()
 294            .chain(task_contexts.other_worktree_contexts.iter())
 295            .map(|context| context.0)
 296            .next()
 297        {
 298            scenarios.extend(self.worktree_scenarios_from_settings(worktree_id));
 299        }
 300        scenarios.extend(self.global_debug_scenarios_from_settings());
 301
 302        let last_scheduled_scenarios = self.last_scheduled_scenarios.iter().cloned().collect();
 303
 304        let adapter = task_contexts.location().and_then(|location| {
 305            let (file, language) = {
 306                let buffer = location.buffer.read(cx);
 307                (buffer.file(), buffer.language())
 308            };
 309            let language_name = language.as_ref().map(|l| l.name());
 310            let adapter = language_settings(language_name, file, cx)
 311                .debuggers
 312                .first()
 313                .map(SharedString::from)
 314                .or_else(|| {
 315                    language.and_then(|l| l.config().debuggers.first().map(SharedString::from))
 316                });
 317            adapter.map(|adapter| (adapter, DapRegistry::global(cx).locators()))
 318        });
 319        cx.background_spawn(async move {
 320            if let Some((adapter, locators)) = adapter {
 321                for (kind, task) in
 322                    lsp_tasks
 323                        .into_iter()
 324                        .chain(current_resolved_tasks.into_iter().filter(|(kind, _)| {
 325                            add_current_language_tasks
 326                                || !matches!(kind, TaskSourceKind::Language { .. })
 327                        }))
 328                {
 329                    let adapter = adapter.clone().into();
 330
 331                    for locator in locators.values() {
 332                        if let Some(scenario) = locator
 333                            .create_scenario(task.original_task(), task.display_label(), &adapter)
 334                            .await
 335                        {
 336                            scenarios.push((kind, scenario));
 337                            break;
 338                        }
 339                    }
 340                }
 341            }
 342            (last_scheduled_scenarios, scenarios)
 343        })
 344    }
 345
 346    pub fn task_template_by_label(
 347        &self,
 348        buffer: Option<Entity<Buffer>>,
 349        worktree_id: Option<WorktreeId>,
 350        label: &str,
 351        cx: &App,
 352    ) -> Task<Option<TaskTemplate>> {
 353        let (buffer_worktree_id, file, language) = buffer
 354            .map(|buffer| {
 355                let buffer = buffer.read(cx);
 356                let file = buffer.file().cloned();
 357                (
 358                    file.as_ref().map(|file| file.worktree_id(cx)),
 359                    file,
 360                    buffer.language().cloned(),
 361                )
 362            })
 363            .unwrap_or((None, None, None));
 364
 365        let tasks = self.list_tasks(file, language, worktree_id.or(buffer_worktree_id), cx);
 366        let label = label.to_owned();
 367        cx.background_spawn(async move {
 368            tasks
 369                .await
 370                .into_iter()
 371                .find(|(_, template)| template.label == label)
 372                .map(|val| val.1)
 373        })
 374    }
 375
 376    /// Pulls its task sources relevant to the worktree and the language given,
 377    /// returns all task templates with their source kinds, worktree tasks first, language tasks second
 378    /// and global tasks last. No specific order inside source kinds groups.
 379    pub fn list_tasks(
 380        &self,
 381        file: Option<Arc<dyn File>>,
 382        language: Option<Arc<Language>>,
 383        worktree: Option<WorktreeId>,
 384        cx: &App,
 385    ) -> Task<Vec<(TaskSourceKind, TaskTemplate)>> {
 386        let global_tasks = self.global_templates_from_settings().collect::<Vec<_>>();
 387        let mut worktree_tasks = worktree
 388            .into_iter()
 389            .flat_map(|worktree| self.worktree_templates_from_settings(worktree))
 390            .collect::<Vec<_>>();
 391
 392        let task_source_kind = language.as_ref().map(|language| TaskSourceKind::Language {
 393            name: language.name().into(),
 394        });
 395        let language_tasks = language
 396            .filter(|language| {
 397                language_settings(Some(language.name()), file.as_ref(), cx)
 398                    .tasks
 399                    .enabled
 400            })
 401            .and_then(|language| {
 402                language
 403                    .context_provider()
 404                    .map(|provider| provider.associated_tasks(file, cx))
 405            });
 406        cx.background_spawn(async move {
 407            if let Some(t) = language_tasks {
 408                worktree_tasks.extend(t.await.into_iter().flat_map(|tasks| {
 409                    tasks
 410                        .0
 411                        .into_iter()
 412                        .filter_map(|task| Some((task_source_kind.clone()?, task)))
 413                }));
 414            }
 415            worktree_tasks.extend(global_tasks);
 416            worktree_tasks
 417        })
 418    }
 419
 420    /// Pulls its task sources relevant to the worktree and the language given and resolves them with the [`TaskContexts`] given.
 421    /// Joins the new resolutions with the resolved tasks that were used (spawned) before,
 422    /// orders them so that the most recently used come first, all equally used ones are ordered so that the most specific tasks come first.
 423    /// Deduplicates the tasks by their labels and context and splits the ordered list into two: used tasks and the rest, newly resolved tasks.
 424    pub fn used_and_current_resolved_tasks(
 425        &self,
 426        task_contexts: Arc<TaskContexts>,
 427        cx: &mut Context<Self>,
 428    ) -> Task<(
 429        Vec<(TaskSourceKind, ResolvedTask)>,
 430        Vec<(TaskSourceKind, ResolvedTask)>,
 431    )> {
 432        let worktree = task_contexts.worktree();
 433        let location = task_contexts.location();
 434        let language = location.and_then(|location| location.buffer.read(cx).language());
 435        let task_source_kind = language.as_ref().map(|language| TaskSourceKind::Language {
 436            name: language.name().into(),
 437        });
 438        let file = location.and_then(|location| location.buffer.read(cx).file().cloned());
 439
 440        let mut task_labels_to_ids = HashMap::<String, HashSet<TaskId>>::default();
 441        let mut lru_score = 0_u32;
 442        let previously_spawned_tasks = self
 443            .last_scheduled_tasks
 444            .iter()
 445            .rev()
 446            .filter(|(task_kind, _)| {
 447                if matches!(task_kind, TaskSourceKind::Language { .. }) {
 448                    Some(task_kind) == task_source_kind.as_ref()
 449                } else {
 450                    true
 451                }
 452            })
 453            .filter(|(_, resolved_task)| {
 454                match task_labels_to_ids.entry(resolved_task.resolved_label.clone()) {
 455                    hash_map::Entry::Occupied(mut o) => {
 456                        o.get_mut().insert(resolved_task.id.clone());
 457                        // Neber allow duplicate reused tasks with the same labels
 458                        false
 459                    }
 460                    hash_map::Entry::Vacant(v) => {
 461                        v.insert(HashSet::from_iter(Some(resolved_task.id.clone())));
 462                        true
 463                    }
 464                }
 465            })
 466            .map(|(task_source_kind, resolved_task)| {
 467                (
 468                    task_source_kind.clone(),
 469                    resolved_task.clone(),
 470                    post_inc(&mut lru_score),
 471                )
 472            })
 473            .sorted_unstable_by(task_lru_comparator)
 474            .map(|(kind, task, _)| (kind, task))
 475            .collect::<Vec<_>>();
 476
 477        let not_used_score = post_inc(&mut lru_score);
 478        let global_tasks = self.global_templates_from_settings().collect::<Vec<_>>();
 479        let associated_tasks = language
 480            .filter(|language| {
 481                language_settings(Some(language.name()), file.as_ref(), cx)
 482                    .tasks
 483                    .enabled
 484            })
 485            .and_then(|language| {
 486                language
 487                    .context_provider()
 488                    .map(|provider| provider.associated_tasks(file, cx))
 489            });
 490        let worktree_tasks = worktree
 491            .into_iter()
 492            .flat_map(|worktree| self.worktree_templates_from_settings(worktree))
 493            .collect::<Vec<_>>();
 494        let task_contexts = task_contexts.clone();
 495        cx.background_spawn(async move {
 496            let language_tasks = if let Some(task) = associated_tasks {
 497                task.await.map(|templates| {
 498                    templates
 499                        .0
 500                        .into_iter()
 501                        .flat_map(|task| Some((task_source_kind.clone()?, task)))
 502                })
 503            } else {
 504                None
 505            };
 506
 507            let worktree_tasks = worktree_tasks
 508                .into_iter()
 509                .chain(language_tasks.into_iter().flatten())
 510                .chain(global_tasks);
 511
 512            let new_resolved_tasks = worktree_tasks
 513                .flat_map(|(kind, task)| {
 514                    let id_base = kind.to_id_base();
 515                    if let TaskSourceKind::Worktree { id, .. } = &kind {
 516                        None.or_else(|| {
 517                            let (_, _, item_context) =
 518                                task_contexts.active_item_context.as_ref().filter(
 519                                    |(worktree_id, _, _)| Some(id) == worktree_id.as_ref(),
 520                                )?;
 521                            task.resolve_task(&id_base, item_context)
 522                        })
 523                        .or_else(|| {
 524                            let (_, worktree_context) = task_contexts
 525                                .active_worktree_context
 526                                .as_ref()
 527                                .filter(|(worktree_id, _)| id == worktree_id)?;
 528                            task.resolve_task(&id_base, worktree_context)
 529                        })
 530                        .or_else(|| {
 531                            if let TaskSourceKind::Worktree { id, .. } = &kind {
 532                                let worktree_context = task_contexts
 533                                    .other_worktree_contexts
 534                                    .iter()
 535                                    .find(|(worktree_id, _)| worktree_id == id)
 536                                    .map(|(_, context)| context)?;
 537                                task.resolve_task(&id_base, worktree_context)
 538                            } else {
 539                                None
 540                            }
 541                        })
 542                    } else {
 543                        None.or_else(|| {
 544                            let (_, _, item_context) =
 545                                task_contexts.active_item_context.as_ref()?;
 546                            task.resolve_task(&id_base, item_context)
 547                        })
 548                        .or_else(|| {
 549                            let (_, worktree_context) =
 550                                task_contexts.active_worktree_context.as_ref()?;
 551                            task.resolve_task(&id_base, worktree_context)
 552                        })
 553                    }
 554                    .or_else(|| task.resolve_task(&id_base, &TaskContext::default()))
 555                    .map(move |resolved_task| (kind.clone(), resolved_task, not_used_score))
 556                })
 557                .filter(|(_, resolved_task, _)| {
 558                    match task_labels_to_ids.entry(resolved_task.resolved_label.clone()) {
 559                        hash_map::Entry::Occupied(mut o) => {
 560                            // Allow new tasks with the same label, if their context is different
 561                            o.get_mut().insert(resolved_task.id.clone())
 562                        }
 563                        hash_map::Entry::Vacant(v) => {
 564                            v.insert(HashSet::from_iter(Some(resolved_task.id.clone())));
 565                            true
 566                        }
 567                    }
 568                })
 569                .sorted_unstable_by(task_lru_comparator)
 570                .map(|(kind, task, _)| (kind, task))
 571                .collect::<Vec<_>>();
 572
 573            (previously_spawned_tasks, new_resolved_tasks)
 574        })
 575    }
 576
 577    /// Returns the last scheduled task by task_id if provided.
 578    /// Otherwise, returns the last scheduled task.
 579    pub fn last_scheduled_task(
 580        &self,
 581        task_id: Option<&TaskId>,
 582    ) -> Option<(TaskSourceKind, ResolvedTask)> {
 583        if let Some(task_id) = task_id {
 584            self.last_scheduled_tasks
 585                .iter()
 586                .find(|(_, task)| &task.id == task_id)
 587                .cloned()
 588        } else {
 589            self.last_scheduled_tasks.back().cloned()
 590        }
 591    }
 592
 593    /// Registers task "usage" as being scheduled – to be used for LRU sorting when listing all tasks.
 594    pub fn task_scheduled(
 595        &mut self,
 596        task_source_kind: TaskSourceKind,
 597        resolved_task: ResolvedTask,
 598    ) {
 599        self.last_scheduled_tasks
 600            .push_back((task_source_kind, resolved_task));
 601        if self.last_scheduled_tasks.len() > 5_000 {
 602            self.last_scheduled_tasks.pop_front();
 603        }
 604    }
 605
 606    /// Deletes a resolved task from history, using its id.
 607    /// A similar may still resurface in `used_and_current_resolved_tasks` when its [`TaskTemplate`] is resolved again.
 608    pub fn delete_previously_used(&mut self, id: &TaskId) {
 609        self.last_scheduled_tasks.retain(|(_, task)| &task.id != id);
 610    }
 611
 612    fn global_templates_from_settings(
 613        &self,
 614    ) -> impl '_ + Iterator<Item = (TaskSourceKind, TaskTemplate)> {
 615        self.templates_from_settings.global_scenarios()
 616    }
 617
 618    fn global_debug_scenarios_from_settings(
 619        &self,
 620    ) -> impl '_ + Iterator<Item = (TaskSourceKind, DebugScenario)> {
 621        self.scenarios_from_settings.global_scenarios()
 622    }
 623
 624    fn worktree_scenarios_from_settings(
 625        &self,
 626        worktree: WorktreeId,
 627    ) -> impl '_ + Iterator<Item = (TaskSourceKind, DebugScenario)> {
 628        self.scenarios_from_settings.worktree_scenarios(worktree)
 629    }
 630
 631    fn worktree_templates_from_settings(
 632        &self,
 633        worktree: WorktreeId,
 634    ) -> impl '_ + Iterator<Item = (TaskSourceKind, TaskTemplate)> {
 635        self.templates_from_settings.worktree_scenarios(worktree)
 636    }
 637
 638    /// Updates in-memory task metadata from the JSON string given.
 639    /// Will fail if the JSON is not a valid array of objects, but will continue if any object will not parse into a [`TaskTemplate`].
 640    ///
 641    /// Global tasks are updated for no worktree provided, otherwise the worktree metadata for a given path will be updated.
 642    pub(crate) fn update_file_based_tasks(
 643        &mut self,
 644        location: TaskSettingsLocation<'_>,
 645        raw_tasks_json: Option<&str>,
 646    ) -> Result<(), InvalidSettingsError> {
 647        let raw_tasks = match parse_json_with_comments::<Vec<serde_json::Value>>(
 648            raw_tasks_json.unwrap_or("[]"),
 649        ) {
 650            Ok(tasks) => tasks,
 651            Err(e) => {
 652                return Err(InvalidSettingsError::Tasks {
 653                    path: match location {
 654                        TaskSettingsLocation::Global(path) => path.to_owned(),
 655                        TaskSettingsLocation::Worktree(settings_location) => {
 656                            settings_location.path.join(task_file_name())
 657                        }
 658                    },
 659                    message: format!("Failed to parse tasks file content as a JSON array: {e}"),
 660                });
 661            }
 662        };
 663        let new_templates = raw_tasks.into_iter().filter_map(|raw_template| {
 664            serde_json::from_value::<TaskTemplate>(raw_template).log_err()
 665        });
 666
 667        let parsed_templates = &mut self.templates_from_settings;
 668        match location {
 669            TaskSettingsLocation::Global(path) => {
 670                parsed_templates
 671                    .global
 672                    .entry(path.to_owned())
 673                    .insert_entry(new_templates.collect());
 674                self.last_scheduled_tasks.retain(|(kind, _)| {
 675                    if let TaskSourceKind::AbsPath { abs_path, .. } = kind {
 676                        abs_path != path
 677                    } else {
 678                        true
 679                    }
 680                });
 681            }
 682            TaskSettingsLocation::Worktree(location) => {
 683                let new_templates = new_templates.collect::<Vec<_>>();
 684                if new_templates.is_empty() {
 685                    if let Some(worktree_tasks) =
 686                        parsed_templates.worktree.get_mut(&location.worktree_id)
 687                    {
 688                        worktree_tasks.remove(location.path);
 689                    }
 690                } else {
 691                    parsed_templates
 692                        .worktree
 693                        .entry(location.worktree_id)
 694                        .or_default()
 695                        .insert(Arc::from(location.path), new_templates);
 696                }
 697                self.last_scheduled_tasks.retain(|(kind, _)| {
 698                    if let TaskSourceKind::Worktree {
 699                        directory_in_worktree,
 700                        id,
 701                        ..
 702                    } = kind
 703                    {
 704                        *id != location.worktree_id || directory_in_worktree != location.path
 705                    } else {
 706                        true
 707                    }
 708                });
 709            }
 710        }
 711
 712        Ok(())
 713    }
 714
 715    /// Updates in-memory task metadata from the JSON string given.
 716    /// Will fail if the JSON is not a valid array of objects, but will continue if any object will not parse into a [`TaskTemplate`].
 717    ///
 718    /// Global tasks are updated for no worktree provided, otherwise the worktree metadata for a given path will be updated.
 719    pub(crate) fn update_file_based_scenarios(
 720        &mut self,
 721        location: TaskSettingsLocation<'_>,
 722        raw_tasks_json: Option<&str>,
 723    ) -> Result<(), InvalidSettingsError> {
 724        let raw_tasks = match parse_json_with_comments::<Vec<serde_json::Value>>(
 725            raw_tasks_json.unwrap_or("[]"),
 726        ) {
 727            Ok(tasks) => tasks,
 728            Err(e) => {
 729                return Err(InvalidSettingsError::Debug {
 730                    path: match location {
 731                        TaskSettingsLocation::Global(path) => path.to_owned(),
 732                        TaskSettingsLocation::Worktree(settings_location) => {
 733                            settings_location.path.join(debug_task_file_name())
 734                        }
 735                    },
 736                    message: format!("Failed to parse tasks file content as a JSON array: {e}"),
 737                });
 738            }
 739        };
 740
 741        let new_templates = raw_tasks
 742            .into_iter()
 743            .filter_map(|raw_template| {
 744                serde_json::from_value::<DebugScenario>(raw_template).log_err()
 745            })
 746            .collect::<Vec<_>>();
 747
 748        let parsed_scenarios = &mut self.scenarios_from_settings;
 749        let mut new_definitions: HashMap<_, _> = new_templates
 750            .iter()
 751            .map(|template| (template.label.clone(), template.clone()))
 752            .collect();
 753        let previously_existing_scenarios;
 754
 755        match location {
 756            TaskSettingsLocation::Global(path) => {
 757                previously_existing_scenarios = parsed_scenarios
 758                    .global_scenarios()
 759                    .map(|(_, scenario)| scenario.label)
 760                    .collect::<HashSet<_>>();
 761                parsed_scenarios
 762                    .global
 763                    .entry(path.to_owned())
 764                    .insert_entry(new_templates);
 765            }
 766            TaskSettingsLocation::Worktree(location) => {
 767                previously_existing_scenarios = parsed_scenarios
 768                    .worktree_scenarios(location.worktree_id)
 769                    .map(|(_, scenario)| scenario.label)
 770                    .collect::<HashSet<_>>();
 771
 772                if new_templates.is_empty() {
 773                    if let Some(worktree_tasks) =
 774                        parsed_scenarios.worktree.get_mut(&location.worktree_id)
 775                    {
 776                        worktree_tasks.remove(location.path);
 777                    }
 778                } else {
 779                    parsed_scenarios
 780                        .worktree
 781                        .entry(location.worktree_id)
 782                        .or_default()
 783                        .insert(Arc::from(location.path), new_templates);
 784                }
 785            }
 786        }
 787        self.last_scheduled_scenarios.retain_mut(|(scenario, _)| {
 788            if !previously_existing_scenarios.contains(&scenario.label) {
 789                return true;
 790            }
 791            if let Some(new_definition) = new_definitions.remove(&scenario.label) {
 792                *scenario = new_definition;
 793                true
 794            } else {
 795                false
 796            }
 797        });
 798
 799        Ok(())
 800    }
 801}
 802
 803fn task_lru_comparator(
 804    (kind_a, task_a, lru_score_a): &(TaskSourceKind, ResolvedTask, u32),
 805    (kind_b, task_b, lru_score_b): &(TaskSourceKind, ResolvedTask, u32),
 806) -> cmp::Ordering {
 807    lru_score_a
 808        // First, display recently used templates above all.
 809        .cmp(lru_score_b)
 810        // Then, ensure more specific sources are displayed first.
 811        .then(task_source_kind_preference(kind_a).cmp(&task_source_kind_preference(kind_b)))
 812        // After that, display first more specific tasks, using more template variables.
 813        // Bonus points for tasks with symbol variables.
 814        .then(task_variables_preference(task_a).cmp(&task_variables_preference(task_b)))
 815        // Finally, sort by the resolved label, but a bit more specifically, to avoid mixing letters and digits.
 816        .then({
 817            NumericPrefixWithSuffix::from_numeric_prefixed_str(&task_a.resolved_label)
 818                .cmp(&NumericPrefixWithSuffix::from_numeric_prefixed_str(
 819                    &task_b.resolved_label,
 820                ))
 821                .then(task_a.resolved_label.cmp(&task_b.resolved_label))
 822                .then(kind_a.cmp(kind_b))
 823        })
 824}
 825
 826fn task_source_kind_preference(kind: &TaskSourceKind) -> u32 {
 827    match kind {
 828        TaskSourceKind::Lsp { .. } => 0,
 829        TaskSourceKind::Language { .. } => 1,
 830        TaskSourceKind::UserInput => 2,
 831        TaskSourceKind::Worktree { .. } => 3,
 832        TaskSourceKind::AbsPath { .. } => 4,
 833    }
 834}
 835
 836fn task_variables_preference(task: &ResolvedTask) -> Reverse<usize> {
 837    let task_variables = task.substituted_variables();
 838    Reverse(if task_variables.contains(&VariableName::Symbol) {
 839        task_variables.len() + 1
 840    } else {
 841        task_variables.len()
 842    })
 843}
 844
 845#[cfg(test)]
 846mod test_inventory {
 847    use gpui::{AppContext as _, Entity, Task, TestAppContext};
 848    use itertools::Itertools;
 849    use task::TaskContext;
 850    use worktree::WorktreeId;
 851
 852    use crate::Inventory;
 853
 854    use super::TaskSourceKind;
 855
 856    pub(super) fn task_template_names(
 857        inventory: &Entity<Inventory>,
 858        worktree: Option<WorktreeId>,
 859        cx: &mut TestAppContext,
 860    ) -> Task<Vec<String>> {
 861        let new_tasks = inventory.update(cx, |inventory, cx| {
 862            inventory.list_tasks(None, None, worktree, cx)
 863        });
 864        cx.background_spawn(async move {
 865            new_tasks
 866                .await
 867                .into_iter()
 868                .map(|(_, task)| task.label)
 869                .sorted()
 870                .collect()
 871        })
 872    }
 873
 874    pub(super) fn register_task_used(
 875        inventory: &Entity<Inventory>,
 876        task_name: &str,
 877        cx: &mut TestAppContext,
 878    ) -> Task<()> {
 879        let tasks = inventory.update(cx, |inventory, cx| {
 880            inventory.list_tasks(None, None, None, cx)
 881        });
 882
 883        let task_name = task_name.to_owned();
 884        let inventory = inventory.clone();
 885        cx.spawn(|mut cx| async move {
 886            let (task_source_kind, task) = tasks
 887                .await
 888                .into_iter()
 889                .find(|(_, task)| task.label == task_name)
 890                .unwrap_or_else(|| panic!("Failed to find task with name {task_name}"));
 891
 892            let id_base = task_source_kind.to_id_base();
 893            inventory
 894                .update(&mut cx, |inventory, _| {
 895                    inventory.task_scheduled(
 896                        task_source_kind.clone(),
 897                        task.resolve_task(&id_base, &TaskContext::default())
 898                            .unwrap_or_else(|| {
 899                                panic!("Failed to resolve task with name {task_name}")
 900                            }),
 901                    )
 902                })
 903                .unwrap();
 904        })
 905    }
 906
 907    pub(super) fn register_worktree_task_used(
 908        inventory: &Entity<Inventory>,
 909        worktree_id: WorktreeId,
 910        task_name: &str,
 911        cx: &mut TestAppContext,
 912    ) -> Task<()> {
 913        let tasks = inventory.update(cx, |inventory, cx| {
 914            inventory.list_tasks(None, None, Some(worktree_id), cx)
 915        });
 916
 917        let inventory = inventory.clone();
 918        let task_name = task_name.to_owned();
 919        cx.spawn(|mut cx| async move {
 920            let (task_source_kind, task) = tasks
 921                .await
 922                .into_iter()
 923                .find(|(_, task)| task.label == task_name)
 924                .unwrap_or_else(|| panic!("Failed to find task with name {task_name}"));
 925            let id_base = task_source_kind.to_id_base();
 926            inventory
 927                .update(&mut cx, |inventory, _| {
 928                    inventory.task_scheduled(
 929                        task_source_kind.clone(),
 930                        task.resolve_task(&id_base, &TaskContext::default())
 931                            .unwrap_or_else(|| {
 932                                panic!("Failed to resolve task with name {task_name}")
 933                            }),
 934                    );
 935                })
 936                .unwrap();
 937        })
 938    }
 939
 940    pub(super) async fn list_tasks(
 941        inventory: &Entity<Inventory>,
 942        worktree: Option<WorktreeId>,
 943        cx: &mut TestAppContext,
 944    ) -> Vec<(TaskSourceKind, String)> {
 945        let task_context = &TaskContext::default();
 946        inventory
 947            .update(cx, |inventory, cx| {
 948                inventory.list_tasks(None, None, worktree, cx)
 949            })
 950            .await
 951            .into_iter()
 952            .filter_map(|(source_kind, task)| {
 953                let id_base = source_kind.to_id_base();
 954                Some((source_kind, task.resolve_task(&id_base, task_context)?))
 955            })
 956            .map(|(source_kind, resolved_task)| (source_kind, resolved_task.resolved_label))
 957            .collect()
 958    }
 959}
 960
 961/// A context provided that tries to provide values for all non-custom [`VariableName`] variants for a currently opened file.
 962/// Applied as a base for every custom [`ContextProvider`] unless explicitly oped out.
 963pub struct BasicContextProvider {
 964    worktree_store: Entity<WorktreeStore>,
 965}
 966
 967impl BasicContextProvider {
 968    pub fn new(worktree_store: Entity<WorktreeStore>) -> Self {
 969        Self { worktree_store }
 970    }
 971}
 972impl ContextProvider for BasicContextProvider {
 973    fn build_context(
 974        &self,
 975        _: &TaskVariables,
 976        location: ContextLocation<'_>,
 977        _: Option<HashMap<String, String>>,
 978        _: Arc<dyn LanguageToolchainStore>,
 979        cx: &mut App,
 980    ) -> Task<Result<TaskVariables>> {
 981        let location = location.file_location;
 982        let buffer = location.buffer.read(cx);
 983        let buffer_snapshot = buffer.snapshot();
 984        let symbols = buffer_snapshot.symbols_containing(location.range.start, None);
 985        let symbol = symbols.last().map(|symbol| {
 986            let range = symbol
 987                .name_ranges
 988                .last()
 989                .cloned()
 990                .unwrap_or(0..symbol.text.len());
 991            symbol.text[range].to_string()
 992        });
 993
 994        let current_file = buffer
 995            .file()
 996            .and_then(|file| file.as_local())
 997            .map(|file| file.abs_path(cx).to_sanitized_string());
 998        let Point { row, column } = location.range.start.to_point(&buffer_snapshot);
 999        let row = row + 1;
1000        let column = column + 1;
1001        let selected_text = buffer
1002            .chars_for_range(location.range.clone())
1003            .collect::<String>();
1004
1005        let mut task_variables = TaskVariables::from_iter([
1006            (VariableName::Row, row.to_string()),
1007            (VariableName::Column, column.to_string()),
1008        ]);
1009
1010        if let Some(symbol) = symbol {
1011            task_variables.insert(VariableName::Symbol, symbol);
1012        }
1013        if !selected_text.trim().is_empty() {
1014            task_variables.insert(VariableName::SelectedText, selected_text);
1015        }
1016        let worktree_root_dir =
1017            buffer
1018                .file()
1019                .map(|file| file.worktree_id(cx))
1020                .and_then(|worktree_id| {
1021                    self.worktree_store
1022                        .read(cx)
1023                        .worktree_for_id(worktree_id, cx)
1024                        .and_then(|worktree| worktree.read(cx).root_dir())
1025                });
1026        if let Some(worktree_path) = worktree_root_dir {
1027            task_variables.insert(
1028                VariableName::WorktreeRoot,
1029                worktree_path.to_sanitized_string(),
1030            );
1031            if let Some(full_path) = current_file.as_ref() {
1032                let relative_path = pathdiff::diff_paths(full_path, worktree_path);
1033                if let Some(relative_file) = relative_path {
1034                    task_variables.insert(
1035                        VariableName::RelativeFile,
1036                        relative_file.to_sanitized_string(),
1037                    );
1038                    if let Some(relative_dir) = relative_file.parent() {
1039                        task_variables.insert(
1040                            VariableName::RelativeDir,
1041                            if relative_dir.as_os_str().is_empty() {
1042                                String::from(".")
1043                            } else {
1044                                relative_dir.to_sanitized_string()
1045                            },
1046                        );
1047                    }
1048                }
1049            }
1050        }
1051
1052        if let Some(path_as_string) = current_file {
1053            let path = Path::new(&path_as_string);
1054            if let Some(filename) = path.file_name().and_then(|f| f.to_str()) {
1055                task_variables.insert(VariableName::Filename, String::from(filename));
1056            }
1057
1058            if let Some(stem) = path.file_stem().and_then(|s| s.to_str()) {
1059                task_variables.insert(VariableName::Stem, stem.into());
1060            }
1061
1062            if let Some(dirname) = path.parent().and_then(|s| s.to_str()) {
1063                task_variables.insert(VariableName::Dirname, dirname.into());
1064            }
1065
1066            task_variables.insert(VariableName::File, path_as_string);
1067        }
1068
1069        Task::ready(Ok(task_variables))
1070    }
1071}
1072
1073/// A ContextProvider that doesn't provide any task variables on it's own, though it has some associated tasks.
1074pub struct ContextProviderWithTasks {
1075    templates: TaskTemplates,
1076}
1077
1078impl ContextProviderWithTasks {
1079    pub fn new(definitions: TaskTemplates) -> Self {
1080        Self {
1081            templates: definitions,
1082        }
1083    }
1084}
1085
1086impl ContextProvider for ContextProviderWithTasks {
1087    fn associated_tasks(&self, _: Option<Arc<dyn File>>, _: &App) -> Task<Option<TaskTemplates>> {
1088        Task::ready(Some(self.templates.clone()))
1089    }
1090}
1091
1092#[cfg(test)]
1093mod tests {
1094    use gpui::TestAppContext;
1095    use paths::tasks_file;
1096    use pretty_assertions::assert_eq;
1097    use serde_json::json;
1098    use settings::SettingsLocation;
1099
1100    use crate::task_store::TaskStore;
1101
1102    use super::test_inventory::*;
1103    use super::*;
1104
1105    #[gpui::test]
1106    async fn test_task_list_sorting(cx: &mut TestAppContext) {
1107        init_test(cx);
1108        let inventory = cx.update(|cx| Inventory::new(cx));
1109        let initial_tasks = resolved_task_names(&inventory, None, cx).await;
1110        assert!(
1111            initial_tasks.is_empty(),
1112            "No tasks expected for empty inventory, but got {initial_tasks:?}"
1113        );
1114        let initial_tasks = task_template_names(&inventory, None, cx).await;
1115        assert!(
1116            initial_tasks.is_empty(),
1117            "No tasks expected for empty inventory, but got {initial_tasks:?}"
1118        );
1119        cx.run_until_parked();
1120        let expected_initial_state = [
1121            "1_a_task".to_string(),
1122            "1_task".to_string(),
1123            "2_task".to_string(),
1124            "3_task".to_string(),
1125        ];
1126
1127        inventory.update(cx, |inventory, _| {
1128            inventory
1129                .update_file_based_tasks(
1130                    TaskSettingsLocation::Global(tasks_file()),
1131                    Some(&mock_tasks_from_names(
1132                        expected_initial_state.iter().map(|name| name.as_str()),
1133                    )),
1134                )
1135                .unwrap();
1136        });
1137        assert_eq!(
1138            task_template_names(&inventory, None, cx).await,
1139            &expected_initial_state,
1140        );
1141        assert_eq!(
1142            resolved_task_names(&inventory, None, cx).await,
1143            &expected_initial_state,
1144            "Tasks with equal amount of usages should be sorted alphanumerically"
1145        );
1146
1147        register_task_used(&inventory, "2_task", cx).await;
1148        assert_eq!(
1149            task_template_names(&inventory, None, cx).await,
1150            &expected_initial_state,
1151        );
1152        assert_eq!(
1153            resolved_task_names(&inventory, None, cx).await,
1154            vec![
1155                "2_task".to_string(),
1156                "1_a_task".to_string(),
1157                "1_task".to_string(),
1158                "3_task".to_string()
1159            ],
1160        );
1161
1162        register_task_used(&inventory, "1_task", cx).await;
1163        register_task_used(&inventory, "1_task", cx).await;
1164        register_task_used(&inventory, "1_task", cx).await;
1165        register_task_used(&inventory, "3_task", cx).await;
1166        assert_eq!(
1167            task_template_names(&inventory, None, cx).await,
1168            &expected_initial_state,
1169        );
1170        assert_eq!(
1171            resolved_task_names(&inventory, None, cx).await,
1172            vec![
1173                "3_task".to_string(),
1174                "1_task".to_string(),
1175                "2_task".to_string(),
1176                "1_a_task".to_string(),
1177            ],
1178            "Most recently used task should be at the top"
1179        );
1180
1181        let worktree_id = WorktreeId::from_usize(0);
1182        let local_worktree_location = SettingsLocation {
1183            worktree_id,
1184            path: Path::new("foo"),
1185        };
1186        inventory.update(cx, |inventory, _| {
1187            inventory
1188                .update_file_based_tasks(
1189                    TaskSettingsLocation::Worktree(local_worktree_location),
1190                    Some(&mock_tasks_from_names(["worktree_task_1"])),
1191                )
1192                .unwrap();
1193        });
1194        assert_eq!(
1195            resolved_task_names(&inventory, None, cx).await,
1196            vec![
1197                "3_task".to_string(),
1198                "1_task".to_string(),
1199                "2_task".to_string(),
1200                "1_a_task".to_string(),
1201            ],
1202            "Most recently used task should be at the top"
1203        );
1204        assert_eq!(
1205            resolved_task_names(&inventory, Some(worktree_id), cx).await,
1206            vec![
1207                "3_task".to_string(),
1208                "1_task".to_string(),
1209                "2_task".to_string(),
1210                "worktree_task_1".to_string(),
1211                "1_a_task".to_string(),
1212            ],
1213        );
1214        register_worktree_task_used(&inventory, worktree_id, "worktree_task_1", cx).await;
1215        assert_eq!(
1216            resolved_task_names(&inventory, Some(worktree_id), cx).await,
1217            vec![
1218                "worktree_task_1".to_string(),
1219                "3_task".to_string(),
1220                "1_task".to_string(),
1221                "2_task".to_string(),
1222                "1_a_task".to_string(),
1223            ],
1224            "Most recently used worktree task should be at the top"
1225        );
1226
1227        inventory.update(cx, |inventory, _| {
1228            inventory
1229                .update_file_based_tasks(
1230                    TaskSettingsLocation::Global(tasks_file()),
1231                    Some(&mock_tasks_from_names(
1232                        ["10_hello", "11_hello"]
1233                            .into_iter()
1234                            .chain(expected_initial_state.iter().map(|name| name.as_str())),
1235                    )),
1236                )
1237                .unwrap();
1238        });
1239        cx.run_until_parked();
1240        let expected_updated_state = [
1241            "10_hello".to_string(),
1242            "11_hello".to_string(),
1243            "1_a_task".to_string(),
1244            "1_task".to_string(),
1245            "2_task".to_string(),
1246            "3_task".to_string(),
1247        ];
1248        assert_eq!(
1249            task_template_names(&inventory, None, cx).await,
1250            &expected_updated_state,
1251        );
1252        assert_eq!(
1253            resolved_task_names(&inventory, None, cx).await,
1254            vec![
1255                "worktree_task_1".to_string(),
1256                "1_a_task".to_string(),
1257                "1_task".to_string(),
1258                "2_task".to_string(),
1259                "3_task".to_string(),
1260                "10_hello".to_string(),
1261                "11_hello".to_string(),
1262            ],
1263            "After global tasks update, worktree task usage is not erased and it's the first still; global task is back to regular order as its file was updated"
1264        );
1265
1266        register_task_used(&inventory, "11_hello", cx).await;
1267        assert_eq!(
1268            task_template_names(&inventory, None, cx).await,
1269            &expected_updated_state,
1270        );
1271        assert_eq!(
1272            resolved_task_names(&inventory, None, cx).await,
1273            vec![
1274                "11_hello".to_string(),
1275                "worktree_task_1".to_string(),
1276                "1_a_task".to_string(),
1277                "1_task".to_string(),
1278                "2_task".to_string(),
1279                "3_task".to_string(),
1280                "10_hello".to_string(),
1281            ],
1282        );
1283    }
1284
1285    #[gpui::test]
1286    async fn test_reloading_debug_scenarios(cx: &mut TestAppContext) {
1287        init_test(cx);
1288        let inventory = cx.update(|cx| Inventory::new(cx));
1289        inventory.update(cx, |inventory, _| {
1290            inventory
1291                .update_file_based_scenarios(
1292                    TaskSettingsLocation::Global(Path::new("")),
1293                    Some(
1294                        r#"
1295                        [{
1296                            "label": "test scenario",
1297                            "adapter": "CodeLLDB",
1298                            "request": "launch",
1299                            "program": "wowzer",
1300                        }]
1301                        "#,
1302                    ),
1303                )
1304                .unwrap();
1305        });
1306
1307        let (_, scenario) = inventory
1308            .update(cx, |this, cx| {
1309                this.list_debug_scenarios(&TaskContexts::default(), vec![], vec![], false, cx)
1310            })
1311            .await
1312            .1
1313            .first()
1314            .unwrap()
1315            .clone();
1316
1317        inventory.update(cx, |this, _| {
1318            this.scenario_scheduled(scenario.clone(), TaskContext::default(), None, None);
1319        });
1320
1321        assert_eq!(
1322            inventory
1323                .update(cx, |this, cx| {
1324                    this.list_debug_scenarios(&TaskContexts::default(), vec![], vec![], false, cx)
1325                })
1326                .await
1327                .0
1328                .first()
1329                .unwrap()
1330                .clone()
1331                .0,
1332            scenario
1333        );
1334
1335        inventory.update(cx, |this, _| {
1336            this.update_file_based_scenarios(
1337                TaskSettingsLocation::Global(Path::new("")),
1338                Some(
1339                    r#"
1340                        [{
1341                            "label": "test scenario",
1342                            "adapter": "Delve",
1343                            "request": "launch",
1344                            "program": "wowzer",
1345                        }]
1346                        "#,
1347                ),
1348            )
1349            .unwrap();
1350        });
1351
1352        assert_eq!(
1353            inventory
1354                .update(cx, |this, cx| {
1355                    this.list_debug_scenarios(&TaskContexts::default(), vec![], vec![], false, cx)
1356                })
1357                .await
1358                .0
1359                .first()
1360                .unwrap()
1361                .0
1362                .adapter,
1363            "Delve",
1364        );
1365
1366        inventory.update(cx, |this, _| {
1367            this.update_file_based_scenarios(
1368                TaskSettingsLocation::Global(Path::new("")),
1369                Some(
1370                    r#"
1371                        [{
1372                            "label": "testing scenario",
1373                            "adapter": "Delve",
1374                            "request": "launch",
1375                            "program": "wowzer",
1376                        }]
1377                        "#,
1378                ),
1379            )
1380            .unwrap();
1381        });
1382
1383        assert!(
1384            inventory
1385                .update(cx, |this, cx| {
1386                    this.list_debug_scenarios(&TaskContexts::default(), vec![], vec![], false, cx)
1387                })
1388                .await
1389                .0
1390                .is_empty(),
1391        );
1392    }
1393
1394    #[gpui::test]
1395    async fn test_inventory_static_task_filters(cx: &mut TestAppContext) {
1396        init_test(cx);
1397        let inventory = cx.update(|cx| Inventory::new(cx));
1398        let common_name = "common_task_name";
1399        let worktree_1 = WorktreeId::from_usize(1);
1400        let worktree_2 = WorktreeId::from_usize(2);
1401
1402        cx.run_until_parked();
1403        let worktree_independent_tasks = vec![
1404            (
1405                TaskSourceKind::AbsPath {
1406                    id_base: "global tasks.json".into(),
1407                    abs_path: paths::tasks_file().clone(),
1408                },
1409                common_name.to_string(),
1410            ),
1411            (
1412                TaskSourceKind::AbsPath {
1413                    id_base: "global tasks.json".into(),
1414                    abs_path: paths::tasks_file().clone(),
1415                },
1416                "static_source_1".to_string(),
1417            ),
1418            (
1419                TaskSourceKind::AbsPath {
1420                    id_base: "global tasks.json".into(),
1421                    abs_path: paths::tasks_file().clone(),
1422                },
1423                "static_source_2".to_string(),
1424            ),
1425        ];
1426        let worktree_1_tasks = [
1427            (
1428                TaskSourceKind::Worktree {
1429                    id: worktree_1,
1430                    directory_in_worktree: PathBuf::from(".zed"),
1431                    id_base: "local worktree tasks from directory \".zed\"".into(),
1432                },
1433                common_name.to_string(),
1434            ),
1435            (
1436                TaskSourceKind::Worktree {
1437                    id: worktree_1,
1438                    directory_in_worktree: PathBuf::from(".zed"),
1439                    id_base: "local worktree tasks from directory \".zed\"".into(),
1440                },
1441                "worktree_1".to_string(),
1442            ),
1443        ];
1444        let worktree_2_tasks = [
1445            (
1446                TaskSourceKind::Worktree {
1447                    id: worktree_2,
1448                    directory_in_worktree: PathBuf::from(".zed"),
1449                    id_base: "local worktree tasks from directory \".zed\"".into(),
1450                },
1451                common_name.to_string(),
1452            ),
1453            (
1454                TaskSourceKind::Worktree {
1455                    id: worktree_2,
1456                    directory_in_worktree: PathBuf::from(".zed"),
1457                    id_base: "local worktree tasks from directory \".zed\"".into(),
1458                },
1459                "worktree_2".to_string(),
1460            ),
1461        ];
1462
1463        inventory.update(cx, |inventory, _| {
1464            inventory
1465                .update_file_based_tasks(
1466                    TaskSettingsLocation::Global(tasks_file()),
1467                    Some(&mock_tasks_from_names(
1468                        worktree_independent_tasks
1469                            .iter()
1470                            .map(|(_, name)| name.as_str()),
1471                    )),
1472                )
1473                .unwrap();
1474            inventory
1475                .update_file_based_tasks(
1476                    TaskSettingsLocation::Worktree(SettingsLocation {
1477                        worktree_id: worktree_1,
1478                        path: Path::new(".zed"),
1479                    }),
1480                    Some(&mock_tasks_from_names(
1481                        worktree_1_tasks.iter().map(|(_, name)| name.as_str()),
1482                    )),
1483                )
1484                .unwrap();
1485            inventory
1486                .update_file_based_tasks(
1487                    TaskSettingsLocation::Worktree(SettingsLocation {
1488                        worktree_id: worktree_2,
1489                        path: Path::new(".zed"),
1490                    }),
1491                    Some(&mock_tasks_from_names(
1492                        worktree_2_tasks.iter().map(|(_, name)| name.as_str()),
1493                    )),
1494                )
1495                .unwrap();
1496        });
1497
1498        assert_eq!(
1499            list_tasks_sorted_by_last_used(&inventory, None, cx).await,
1500            worktree_independent_tasks,
1501            "Without a worktree, only worktree-independent tasks should be listed"
1502        );
1503        assert_eq!(
1504            list_tasks_sorted_by_last_used(&inventory, Some(worktree_1), cx).await,
1505            worktree_1_tasks
1506                .iter()
1507                .chain(worktree_independent_tasks.iter())
1508                .cloned()
1509                .sorted_by_key(|(kind, label)| (task_source_kind_preference(kind), label.clone()))
1510                .collect::<Vec<_>>(),
1511        );
1512        assert_eq!(
1513            list_tasks_sorted_by_last_used(&inventory, Some(worktree_2), cx).await,
1514            worktree_2_tasks
1515                .iter()
1516                .chain(worktree_independent_tasks.iter())
1517                .cloned()
1518                .sorted_by_key(|(kind, label)| (task_source_kind_preference(kind), label.clone()))
1519                .collect::<Vec<_>>(),
1520        );
1521
1522        assert_eq!(
1523            list_tasks(&inventory, None, cx).await,
1524            worktree_independent_tasks,
1525            "Without a worktree, only worktree-independent tasks should be listed"
1526        );
1527        assert_eq!(
1528            list_tasks(&inventory, Some(worktree_1), cx).await,
1529            worktree_1_tasks
1530                .iter()
1531                .chain(worktree_independent_tasks.iter())
1532                .cloned()
1533                .collect::<Vec<_>>(),
1534        );
1535        assert_eq!(
1536            list_tasks(&inventory, Some(worktree_2), cx).await,
1537            worktree_2_tasks
1538                .iter()
1539                .chain(worktree_independent_tasks.iter())
1540                .cloned()
1541                .collect::<Vec<_>>(),
1542        );
1543    }
1544
1545    fn init_test(_cx: &mut TestAppContext) {
1546        zlog::init_test();
1547        TaskStore::init(None);
1548    }
1549
1550    fn resolved_task_names(
1551        inventory: &Entity<Inventory>,
1552        worktree: Option<WorktreeId>,
1553        cx: &mut TestAppContext,
1554    ) -> Task<Vec<String>> {
1555        let tasks = inventory.update(cx, |inventory, cx| {
1556            let mut task_contexts = TaskContexts::default();
1557            task_contexts.active_worktree_context =
1558                worktree.map(|worktree| (worktree, TaskContext::default()));
1559
1560            inventory.used_and_current_resolved_tasks(Arc::new(task_contexts), cx)
1561        });
1562
1563        cx.background_spawn(async move {
1564            let (used, current) = tasks.await;
1565            used.into_iter()
1566                .chain(current)
1567                .map(|(_, task)| task.original_task().label.clone())
1568                .collect()
1569        })
1570    }
1571
1572    fn mock_tasks_from_names<'a>(task_names: impl IntoIterator<Item = &'a str> + 'a) -> String {
1573        serde_json::to_string(&serde_json::Value::Array(
1574            task_names
1575                .into_iter()
1576                .map(|task_name| {
1577                    json!({
1578                        "label": task_name,
1579                        "command": "echo",
1580                        "args": vec![task_name],
1581                    })
1582                })
1583                .collect::<Vec<_>>(),
1584        ))
1585        .unwrap()
1586    }
1587
1588    async fn list_tasks_sorted_by_last_used(
1589        inventory: &Entity<Inventory>,
1590        worktree: Option<WorktreeId>,
1591        cx: &mut TestAppContext,
1592    ) -> Vec<(TaskSourceKind, String)> {
1593        let (used, current) = inventory
1594            .update(cx, |inventory, cx| {
1595                let mut task_contexts = TaskContexts::default();
1596                task_contexts.active_worktree_context =
1597                    worktree.map(|worktree| (worktree, TaskContext::default()));
1598
1599                inventory.used_and_current_resolved_tasks(Arc::new(task_contexts), cx)
1600            })
1601            .await;
1602        let mut all = used;
1603        all.extend(current);
1604        all.into_iter()
1605            .map(|(source_kind, task)| (source_kind, task.resolved_label))
1606            .sorted_by_key(|(kind, label)| (task_source_kind_preference(kind), label.clone()))
1607            .collect()
1608    }
1609}