worktree_tests.rs

   1use crate::{
   2    project_settings::ProjectSettings,
   3    worktree::{Event, Snapshot, WorktreeModelHandle},
   4    Entry, EntryKind, PathChange, Project, Worktree,
   5};
   6use anyhow::Result;
   7use client::Client;
   8use fs::{repository::GitFileStatus, FakeFs, Fs, RealFs, RemoveOptions};
   9use git::GITIGNORE;
  10use gpui::{executor::Deterministic, ModelContext, Task, TestAppContext};
  11use parking_lot::Mutex;
  12use postage::stream::Stream;
  13use pretty_assertions::assert_eq;
  14use rand::prelude::*;
  15use serde_json::json;
  16use settings::SettingsStore;
  17use std::{
  18    env,
  19    fmt::Write,
  20    mem,
  21    path::{Path, PathBuf},
  22    sync::Arc,
  23};
  24use util::{http::FakeHttpClient, test::temp_tree, ResultExt};
  25
  26#[gpui::test]
  27async fn test_traversal(cx: &mut TestAppContext) {
  28    init_test(cx);
  29    let fs = FakeFs::new(cx.background());
  30    fs.insert_tree(
  31        "/root",
  32        json!({
  33           ".gitignore": "a/b\n",
  34           "a": {
  35               "b": "",
  36               "c": "",
  37           }
  38        }),
  39    )
  40    .await;
  41
  42    let tree = Worktree::local(
  43        build_client(cx),
  44        Path::new("/root"),
  45        true,
  46        fs,
  47        Default::default(),
  48        &mut cx.to_async(),
  49    )
  50    .await
  51    .unwrap();
  52    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
  53        .await;
  54
  55    tree.read_with(cx, |tree, _| {
  56        assert_eq!(
  57            tree.entries(false)
  58                .map(|entry| entry.path.as_ref())
  59                .collect::<Vec<_>>(),
  60            vec![
  61                Path::new(""),
  62                Path::new(".gitignore"),
  63                Path::new("a"),
  64                Path::new("a/c"),
  65            ]
  66        );
  67        assert_eq!(
  68            tree.entries(true)
  69                .map(|entry| entry.path.as_ref())
  70                .collect::<Vec<_>>(),
  71            vec![
  72                Path::new(""),
  73                Path::new(".gitignore"),
  74                Path::new("a"),
  75                Path::new("a/b"),
  76                Path::new("a/c"),
  77            ]
  78        );
  79    })
  80}
  81
  82#[gpui::test]
  83async fn test_descendent_entries(cx: &mut TestAppContext) {
  84    init_test(cx);
  85    let fs = FakeFs::new(cx.background());
  86    fs.insert_tree(
  87        "/root",
  88        json!({
  89            "a": "",
  90            "b": {
  91               "c": {
  92                   "d": ""
  93               },
  94               "e": {}
  95            },
  96            "f": "",
  97            "g": {
  98                "h": {}
  99            },
 100            "i": {
 101                "j": {
 102                    "k": ""
 103                },
 104                "l": {
 105
 106                }
 107            },
 108            ".gitignore": "i/j\n",
 109        }),
 110    )
 111    .await;
 112
 113    let tree = Worktree::local(
 114        build_client(cx),
 115        Path::new("/root"),
 116        true,
 117        fs,
 118        Default::default(),
 119        &mut cx.to_async(),
 120    )
 121    .await
 122    .unwrap();
 123    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 124        .await;
 125
 126    tree.read_with(cx, |tree, _| {
 127        assert_eq!(
 128            tree.descendent_entries(false, false, Path::new("b"))
 129                .map(|entry| entry.path.as_ref())
 130                .collect::<Vec<_>>(),
 131            vec![Path::new("b/c/d"),]
 132        );
 133        assert_eq!(
 134            tree.descendent_entries(true, false, Path::new("b"))
 135                .map(|entry| entry.path.as_ref())
 136                .collect::<Vec<_>>(),
 137            vec![
 138                Path::new("b"),
 139                Path::new("b/c"),
 140                Path::new("b/c/d"),
 141                Path::new("b/e"),
 142            ]
 143        );
 144
 145        assert_eq!(
 146            tree.descendent_entries(false, false, Path::new("g"))
 147                .map(|entry| entry.path.as_ref())
 148                .collect::<Vec<_>>(),
 149            Vec::<PathBuf>::new()
 150        );
 151        assert_eq!(
 152            tree.descendent_entries(true, false, Path::new("g"))
 153                .map(|entry| entry.path.as_ref())
 154                .collect::<Vec<_>>(),
 155            vec![Path::new("g"), Path::new("g/h"),]
 156        );
 157    });
 158
 159    // Expand gitignored directory.
 160    tree.read_with(cx, |tree, _| {
 161        tree.as_local()
 162            .unwrap()
 163            .refresh_entries_for_paths(vec![Path::new("i/j").into()])
 164    })
 165    .recv()
 166    .await;
 167
 168    tree.read_with(cx, |tree, _| {
 169        assert_eq!(
 170            tree.descendent_entries(false, false, Path::new("i"))
 171                .map(|entry| entry.path.as_ref())
 172                .collect::<Vec<_>>(),
 173            Vec::<PathBuf>::new()
 174        );
 175        assert_eq!(
 176            tree.descendent_entries(false, true, Path::new("i"))
 177                .map(|entry| entry.path.as_ref())
 178                .collect::<Vec<_>>(),
 179            vec![Path::new("i/j/k")]
 180        );
 181        assert_eq!(
 182            tree.descendent_entries(true, false, Path::new("i"))
 183                .map(|entry| entry.path.as_ref())
 184                .collect::<Vec<_>>(),
 185            vec![Path::new("i"), Path::new("i/l"),]
 186        );
 187    })
 188}
 189
 190#[gpui::test(iterations = 10)]
 191async fn test_circular_symlinks(executor: Arc<Deterministic>, cx: &mut TestAppContext) {
 192    init_test(cx);
 193    let fs = FakeFs::new(cx.background());
 194    fs.insert_tree(
 195        "/root",
 196        json!({
 197            "lib": {
 198                "a": {
 199                    "a.txt": ""
 200                },
 201                "b": {
 202                    "b.txt": ""
 203                }
 204            }
 205        }),
 206    )
 207    .await;
 208    fs.insert_symlink("/root/lib/a/lib", "..".into()).await;
 209    fs.insert_symlink("/root/lib/b/lib", "..".into()).await;
 210
 211    let tree = Worktree::local(
 212        build_client(cx),
 213        Path::new("/root"),
 214        true,
 215        fs.clone(),
 216        Default::default(),
 217        &mut cx.to_async(),
 218    )
 219    .await
 220    .unwrap();
 221
 222    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 223        .await;
 224
 225    tree.read_with(cx, |tree, _| {
 226        assert_eq!(
 227            tree.entries(false)
 228                .map(|entry| entry.path.as_ref())
 229                .collect::<Vec<_>>(),
 230            vec![
 231                Path::new(""),
 232                Path::new("lib"),
 233                Path::new("lib/a"),
 234                Path::new("lib/a/a.txt"),
 235                Path::new("lib/a/lib"),
 236                Path::new("lib/b"),
 237                Path::new("lib/b/b.txt"),
 238                Path::new("lib/b/lib"),
 239            ]
 240        );
 241    });
 242
 243    fs.rename(
 244        Path::new("/root/lib/a/lib"),
 245        Path::new("/root/lib/a/lib-2"),
 246        Default::default(),
 247    )
 248    .await
 249    .unwrap();
 250    executor.run_until_parked();
 251    tree.read_with(cx, |tree, _| {
 252        assert_eq!(
 253            tree.entries(false)
 254                .map(|entry| entry.path.as_ref())
 255                .collect::<Vec<_>>(),
 256            vec![
 257                Path::new(""),
 258                Path::new("lib"),
 259                Path::new("lib/a"),
 260                Path::new("lib/a/a.txt"),
 261                Path::new("lib/a/lib-2"),
 262                Path::new("lib/b"),
 263                Path::new("lib/b/b.txt"),
 264                Path::new("lib/b/lib"),
 265            ]
 266        );
 267    });
 268}
 269
 270#[gpui::test]
 271async fn test_symlinks_pointing_outside(cx: &mut TestAppContext) {
 272    init_test(cx);
 273    let fs = FakeFs::new(cx.background());
 274    fs.insert_tree(
 275        "/root",
 276        json!({
 277            "dir1": {
 278                "deps": {
 279                    // symlinks here
 280                },
 281                "src": {
 282                    "a.rs": "",
 283                    "b.rs": "",
 284                },
 285            },
 286            "dir2": {
 287                "src": {
 288                    "c.rs": "",
 289                    "d.rs": "",
 290                }
 291            },
 292            "dir3": {
 293                "deps": {},
 294                "src": {
 295                    "e.rs": "",
 296                    "f.rs": "",
 297                },
 298            }
 299        }),
 300    )
 301    .await;
 302
 303    // These symlinks point to directories outside of the worktree's root, dir1.
 304    fs.insert_symlink("/root/dir1/deps/dep-dir2", "../../dir2".into())
 305        .await;
 306    fs.insert_symlink("/root/dir1/deps/dep-dir3", "../../dir3".into())
 307        .await;
 308
 309    let tree = Worktree::local(
 310        build_client(cx),
 311        Path::new("/root/dir1"),
 312        true,
 313        fs.clone(),
 314        Default::default(),
 315        &mut cx.to_async(),
 316    )
 317    .await
 318    .unwrap();
 319
 320    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 321        .await;
 322
 323    let tree_updates = Arc::new(Mutex::new(Vec::new()));
 324    tree.update(cx, |_, cx| {
 325        let tree_updates = tree_updates.clone();
 326        cx.subscribe(&tree, move |_, _, event, _| {
 327            if let Event::UpdatedEntries(update) = event {
 328                tree_updates.lock().extend(
 329                    update
 330                        .iter()
 331                        .map(|(path, _, change)| (path.clone(), *change)),
 332                );
 333            }
 334        })
 335        .detach();
 336    });
 337
 338    // The symlinked directories are not scanned by default.
 339    tree.read_with(cx, |tree, _| {
 340        assert_eq!(
 341            tree.entries(true)
 342                .map(|entry| (entry.path.as_ref(), entry.is_external))
 343                .collect::<Vec<_>>(),
 344            vec![
 345                (Path::new(""), false),
 346                (Path::new("deps"), false),
 347                (Path::new("deps/dep-dir2"), true),
 348                (Path::new("deps/dep-dir3"), true),
 349                (Path::new("src"), false),
 350                (Path::new("src/a.rs"), false),
 351                (Path::new("src/b.rs"), false),
 352            ]
 353        );
 354
 355        assert_eq!(
 356            tree.entry_for_path("deps/dep-dir2").unwrap().kind,
 357            EntryKind::UnloadedDir
 358        );
 359    });
 360
 361    // Expand one of the symlinked directories.
 362    tree.read_with(cx, |tree, _| {
 363        tree.as_local()
 364            .unwrap()
 365            .refresh_entries_for_paths(vec![Path::new("deps/dep-dir3").into()])
 366    })
 367    .recv()
 368    .await;
 369
 370    // The expanded directory's contents are loaded. Subdirectories are
 371    // not scanned yet.
 372    tree.read_with(cx, |tree, _| {
 373        assert_eq!(
 374            tree.entries(true)
 375                .map(|entry| (entry.path.as_ref(), entry.is_external))
 376                .collect::<Vec<_>>(),
 377            vec![
 378                (Path::new(""), false),
 379                (Path::new("deps"), false),
 380                (Path::new("deps/dep-dir2"), true),
 381                (Path::new("deps/dep-dir3"), true),
 382                (Path::new("deps/dep-dir3/deps"), true),
 383                (Path::new("deps/dep-dir3/src"), true),
 384                (Path::new("src"), false),
 385                (Path::new("src/a.rs"), false),
 386                (Path::new("src/b.rs"), false),
 387            ]
 388        );
 389    });
 390    assert_eq!(
 391        mem::take(&mut *tree_updates.lock()),
 392        &[
 393            (Path::new("deps/dep-dir3").into(), PathChange::Loaded),
 394            (Path::new("deps/dep-dir3/deps").into(), PathChange::Loaded),
 395            (Path::new("deps/dep-dir3/src").into(), PathChange::Loaded)
 396        ]
 397    );
 398
 399    // Expand a subdirectory of one of the symlinked directories.
 400    tree.read_with(cx, |tree, _| {
 401        tree.as_local()
 402            .unwrap()
 403            .refresh_entries_for_paths(vec![Path::new("deps/dep-dir3/src").into()])
 404    })
 405    .recv()
 406    .await;
 407
 408    // The expanded subdirectory's contents are loaded.
 409    tree.read_with(cx, |tree, _| {
 410        assert_eq!(
 411            tree.entries(true)
 412                .map(|entry| (entry.path.as_ref(), entry.is_external))
 413                .collect::<Vec<_>>(),
 414            vec![
 415                (Path::new(""), false),
 416                (Path::new("deps"), false),
 417                (Path::new("deps/dep-dir2"), true),
 418                (Path::new("deps/dep-dir3"), true),
 419                (Path::new("deps/dep-dir3/deps"), true),
 420                (Path::new("deps/dep-dir3/src"), true),
 421                (Path::new("deps/dep-dir3/src/e.rs"), true),
 422                (Path::new("deps/dep-dir3/src/f.rs"), true),
 423                (Path::new("src"), false),
 424                (Path::new("src/a.rs"), false),
 425                (Path::new("src/b.rs"), false),
 426            ]
 427        );
 428    });
 429
 430    assert_eq!(
 431        mem::take(&mut *tree_updates.lock()),
 432        &[
 433            (Path::new("deps/dep-dir3/src").into(), PathChange::Loaded),
 434            (
 435                Path::new("deps/dep-dir3/src/e.rs").into(),
 436                PathChange::Loaded
 437            ),
 438            (
 439                Path::new("deps/dep-dir3/src/f.rs").into(),
 440                PathChange::Loaded
 441            )
 442        ]
 443    );
 444}
 445
 446#[gpui::test]
 447async fn test_open_gitignored_files(cx: &mut TestAppContext) {
 448    init_test(cx);
 449    let fs = FakeFs::new(cx.background());
 450    fs.insert_tree(
 451        "/root",
 452        json!({
 453            ".gitignore": "node_modules\n",
 454            "one": {
 455                "node_modules": {
 456                    "a": {
 457                        "a1.js": "a1",
 458                        "a2.js": "a2",
 459                    },
 460                    "b": {
 461                        "b1.js": "b1",
 462                        "b2.js": "b2",
 463                    },
 464                    "c": {
 465                        "c1.js": "c1",
 466                        "c2.js": "c2",
 467                    }
 468                },
 469            },
 470            "two": {
 471                "x.js": "",
 472                "y.js": "",
 473            },
 474        }),
 475    )
 476    .await;
 477
 478    let tree = Worktree::local(
 479        build_client(cx),
 480        Path::new("/root"),
 481        true,
 482        fs.clone(),
 483        Default::default(),
 484        &mut cx.to_async(),
 485    )
 486    .await
 487    .unwrap();
 488
 489    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 490        .await;
 491
 492    tree.read_with(cx, |tree, _| {
 493        assert_eq!(
 494            tree.entries(true)
 495                .map(|entry| (entry.path.as_ref(), entry.is_ignored))
 496                .collect::<Vec<_>>(),
 497            vec![
 498                (Path::new(""), false),
 499                (Path::new(".gitignore"), false),
 500                (Path::new("one"), false),
 501                (Path::new("one/node_modules"), true),
 502                (Path::new("two"), false),
 503                (Path::new("two/x.js"), false),
 504                (Path::new("two/y.js"), false),
 505            ]
 506        );
 507    });
 508
 509    // Open a file that is nested inside of a gitignored directory that
 510    // has not yet been expanded.
 511    let prev_read_dir_count = fs.read_dir_call_count();
 512    let buffer = tree
 513        .update(cx, |tree, cx| {
 514            tree.as_local_mut()
 515                .unwrap()
 516                .load_buffer(0, "one/node_modules/b/b1.js".as_ref(), cx)
 517        })
 518        .await
 519        .unwrap();
 520
 521    tree.read_with(cx, |tree, cx| {
 522        assert_eq!(
 523            tree.entries(true)
 524                .map(|entry| (entry.path.as_ref(), entry.is_ignored))
 525                .collect::<Vec<_>>(),
 526            vec![
 527                (Path::new(""), false),
 528                (Path::new(".gitignore"), false),
 529                (Path::new("one"), false),
 530                (Path::new("one/node_modules"), true),
 531                (Path::new("one/node_modules/a"), true),
 532                (Path::new("one/node_modules/b"), true),
 533                (Path::new("one/node_modules/b/b1.js"), true),
 534                (Path::new("one/node_modules/b/b2.js"), true),
 535                (Path::new("one/node_modules/c"), true),
 536                (Path::new("two"), false),
 537                (Path::new("two/x.js"), false),
 538                (Path::new("two/y.js"), false),
 539            ]
 540        );
 541
 542        assert_eq!(
 543            buffer.read(cx).file().unwrap().path().as_ref(),
 544            Path::new("one/node_modules/b/b1.js")
 545        );
 546
 547        // Only the newly-expanded directories are scanned.
 548        assert_eq!(fs.read_dir_call_count() - prev_read_dir_count, 2);
 549    });
 550
 551    // Open another file in a different subdirectory of the same
 552    // gitignored directory.
 553    let prev_read_dir_count = fs.read_dir_call_count();
 554    let buffer = tree
 555        .update(cx, |tree, cx| {
 556            tree.as_local_mut()
 557                .unwrap()
 558                .load_buffer(0, "one/node_modules/a/a2.js".as_ref(), cx)
 559        })
 560        .await
 561        .unwrap();
 562
 563    tree.read_with(cx, |tree, cx| {
 564        assert_eq!(
 565            tree.entries(true)
 566                .map(|entry| (entry.path.as_ref(), entry.is_ignored))
 567                .collect::<Vec<_>>(),
 568            vec![
 569                (Path::new(""), false),
 570                (Path::new(".gitignore"), false),
 571                (Path::new("one"), false),
 572                (Path::new("one/node_modules"), true),
 573                (Path::new("one/node_modules/a"), true),
 574                (Path::new("one/node_modules/a/a1.js"), true),
 575                (Path::new("one/node_modules/a/a2.js"), true),
 576                (Path::new("one/node_modules/b"), true),
 577                (Path::new("one/node_modules/b/b1.js"), true),
 578                (Path::new("one/node_modules/b/b2.js"), true),
 579                (Path::new("one/node_modules/c"), true),
 580                (Path::new("two"), false),
 581                (Path::new("two/x.js"), false),
 582                (Path::new("two/y.js"), false),
 583            ]
 584        );
 585
 586        assert_eq!(
 587            buffer.read(cx).file().unwrap().path().as_ref(),
 588            Path::new("one/node_modules/a/a2.js")
 589        );
 590
 591        // Only the newly-expanded directory is scanned.
 592        assert_eq!(fs.read_dir_call_count() - prev_read_dir_count, 1);
 593    });
 594
 595    // No work happens when files and directories change within an unloaded directory.
 596    let prev_fs_call_count = fs.read_dir_call_count() + fs.metadata_call_count();
 597    fs.create_dir("/root/one/node_modules/c/lib".as_ref())
 598        .await
 599        .unwrap();
 600    cx.foreground().run_until_parked();
 601    assert_eq!(
 602        fs.read_dir_call_count() + fs.metadata_call_count() - prev_fs_call_count,
 603        0
 604    );
 605}
 606
 607#[gpui::test]
 608async fn test_dirs_no_longer_ignored(cx: &mut TestAppContext) {
 609    init_test(cx);
 610    let fs = FakeFs::new(cx.background());
 611    fs.insert_tree(
 612        "/root",
 613        json!({
 614            ".gitignore": "node_modules\n",
 615            "a": {
 616                "a.js": "",
 617            },
 618            "b": {
 619                "b.js": "",
 620            },
 621            "node_modules": {
 622                "c": {
 623                    "c.js": "",
 624                },
 625                "d": {
 626                    "d.js": "",
 627                    "e": {
 628                        "e1.js": "",
 629                        "e2.js": "",
 630                    },
 631                    "f": {
 632                        "f1.js": "",
 633                        "f2.js": "",
 634                    }
 635                },
 636            },
 637        }),
 638    )
 639    .await;
 640
 641    let tree = Worktree::local(
 642        build_client(cx),
 643        Path::new("/root"),
 644        true,
 645        fs.clone(),
 646        Default::default(),
 647        &mut cx.to_async(),
 648    )
 649    .await
 650    .unwrap();
 651
 652    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 653        .await;
 654
 655    // Open a file within the gitignored directory, forcing some of its
 656    // subdirectories to be read, but not all.
 657    let read_dir_count_1 = fs.read_dir_call_count();
 658    tree.read_with(cx, |tree, _| {
 659        tree.as_local()
 660            .unwrap()
 661            .refresh_entries_for_paths(vec![Path::new("node_modules/d/d.js").into()])
 662    })
 663    .recv()
 664    .await;
 665
 666    // Those subdirectories are now loaded.
 667    tree.read_with(cx, |tree, _| {
 668        assert_eq!(
 669            tree.entries(true)
 670                .map(|e| (e.path.as_ref(), e.is_ignored))
 671                .collect::<Vec<_>>(),
 672            &[
 673                (Path::new(""), false),
 674                (Path::new(".gitignore"), false),
 675                (Path::new("a"), false),
 676                (Path::new("a/a.js"), false),
 677                (Path::new("b"), false),
 678                (Path::new("b/b.js"), false),
 679                (Path::new("node_modules"), true),
 680                (Path::new("node_modules/c"), true),
 681                (Path::new("node_modules/d"), true),
 682                (Path::new("node_modules/d/d.js"), true),
 683                (Path::new("node_modules/d/e"), true),
 684                (Path::new("node_modules/d/f"), true),
 685            ]
 686        );
 687    });
 688    let read_dir_count_2 = fs.read_dir_call_count();
 689    assert_eq!(read_dir_count_2 - read_dir_count_1, 2);
 690
 691    // Update the gitignore so that node_modules is no longer ignored,
 692    // but a subdirectory is ignored
 693    fs.save("/root/.gitignore".as_ref(), &"e".into(), Default::default())
 694        .await
 695        .unwrap();
 696    cx.foreground().run_until_parked();
 697
 698    // All of the directories that are no longer ignored are now loaded.
 699    tree.read_with(cx, |tree, _| {
 700        assert_eq!(
 701            tree.entries(true)
 702                .map(|e| (e.path.as_ref(), e.is_ignored))
 703                .collect::<Vec<_>>(),
 704            &[
 705                (Path::new(""), false),
 706                (Path::new(".gitignore"), false),
 707                (Path::new("a"), false),
 708                (Path::new("a/a.js"), false),
 709                (Path::new("b"), false),
 710                (Path::new("b/b.js"), false),
 711                // This directory is no longer ignored
 712                (Path::new("node_modules"), false),
 713                (Path::new("node_modules/c"), false),
 714                (Path::new("node_modules/c/c.js"), false),
 715                (Path::new("node_modules/d"), false),
 716                (Path::new("node_modules/d/d.js"), false),
 717                // This subdirectory is now ignored
 718                (Path::new("node_modules/d/e"), true),
 719                (Path::new("node_modules/d/f"), false),
 720                (Path::new("node_modules/d/f/f1.js"), false),
 721                (Path::new("node_modules/d/f/f2.js"), false),
 722            ]
 723        );
 724    });
 725
 726    // Each of the newly-loaded directories is scanned only once.
 727    let read_dir_count_3 = fs.read_dir_call_count();
 728    assert_eq!(read_dir_count_3 - read_dir_count_2, 2);
 729}
 730
 731#[gpui::test(iterations = 10)]
 732async fn test_rescan_with_gitignore(cx: &mut TestAppContext) {
 733    init_test(cx);
 734    cx.update(|cx| {
 735        cx.update_global::<SettingsStore, _, _>(|store, cx| {
 736            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
 737                project_settings.file_scan_exclusions = Some(Vec::new());
 738            });
 739        });
 740    });
 741    let fs = FakeFs::new(cx.background());
 742    fs.insert_tree(
 743        "/root",
 744        json!({
 745            ".gitignore": "ancestor-ignored-file1\nancestor-ignored-file2\n",
 746            "tree": {
 747                ".git": {},
 748                ".gitignore": "ignored-dir\n",
 749                "tracked-dir": {
 750                    "tracked-file1": "",
 751                    "ancestor-ignored-file1": "",
 752                },
 753                "ignored-dir": {
 754                    "ignored-file1": ""
 755                }
 756            }
 757        }),
 758    )
 759    .await;
 760
 761    let tree = Worktree::local(
 762        build_client(cx),
 763        "/root/tree".as_ref(),
 764        true,
 765        fs.clone(),
 766        Default::default(),
 767        &mut cx.to_async(),
 768    )
 769    .await
 770    .unwrap();
 771    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 772        .await;
 773
 774    tree.read_with(cx, |tree, _| {
 775        tree.as_local()
 776            .unwrap()
 777            .refresh_entries_for_paths(vec![Path::new("ignored-dir").into()])
 778    })
 779    .recv()
 780    .await;
 781
 782    cx.read(|cx| {
 783        let tree = tree.read(cx);
 784        assert!(
 785            !tree
 786                .entry_for_path("tracked-dir/tracked-file1")
 787                .unwrap()
 788                .is_ignored
 789        );
 790        assert!(
 791            tree.entry_for_path("tracked-dir/ancestor-ignored-file1")
 792                .unwrap()
 793                .is_ignored
 794        );
 795        assert!(
 796            tree.entry_for_path("ignored-dir/ignored-file1")
 797                .unwrap()
 798                .is_ignored
 799        );
 800    });
 801
 802    fs.create_file(
 803        "/root/tree/tracked-dir/tracked-file2".as_ref(),
 804        Default::default(),
 805    )
 806    .await
 807    .unwrap();
 808    fs.create_file(
 809        "/root/tree/tracked-dir/ancestor-ignored-file2".as_ref(),
 810        Default::default(),
 811    )
 812    .await
 813    .unwrap();
 814    fs.create_file(
 815        "/root/tree/ignored-dir/ignored-file2".as_ref(),
 816        Default::default(),
 817    )
 818    .await
 819    .unwrap();
 820
 821    cx.foreground().run_until_parked();
 822    cx.read(|cx| {
 823        let tree = tree.read(cx);
 824        assert!(
 825            !tree
 826                .entry_for_path("tracked-dir/tracked-file2")
 827                .unwrap()
 828                .is_ignored
 829        );
 830        assert!(
 831            tree.entry_for_path("tracked-dir/ancestor-ignored-file2")
 832                .unwrap()
 833                .is_ignored
 834        );
 835        assert!(
 836            tree.entry_for_path("ignored-dir/ignored-file2")
 837                .unwrap()
 838                .is_ignored
 839        );
 840        assert!(tree.entry_for_path(".git").unwrap().is_ignored);
 841    });
 842}
 843
 844#[gpui::test]
 845async fn test_write_file(cx: &mut TestAppContext) {
 846    init_test(cx);
 847    let dir = temp_tree(json!({
 848        ".git": {},
 849        ".gitignore": "ignored-dir\n",
 850        "tracked-dir": {},
 851        "ignored-dir": {}
 852    }));
 853
 854    let tree = Worktree::local(
 855        build_client(cx),
 856        dir.path(),
 857        true,
 858        Arc::new(RealFs),
 859        Default::default(),
 860        &mut cx.to_async(),
 861    )
 862    .await
 863    .unwrap();
 864    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 865        .await;
 866    tree.flush_fs_events(cx).await;
 867
 868    tree.update(cx, |tree, cx| {
 869        tree.as_local().unwrap().write_file(
 870            Path::new("tracked-dir/file.txt"),
 871            "hello".into(),
 872            Default::default(),
 873            cx,
 874        )
 875    })
 876    .await
 877    .unwrap();
 878    tree.update(cx, |tree, cx| {
 879        tree.as_local().unwrap().write_file(
 880            Path::new("ignored-dir/file.txt"),
 881            "world".into(),
 882            Default::default(),
 883            cx,
 884        )
 885    })
 886    .await
 887    .unwrap();
 888
 889    tree.read_with(cx, |tree, _| {
 890        let tracked = tree.entry_for_path("tracked-dir/file.txt").unwrap();
 891        let ignored = tree.entry_for_path("ignored-dir/file.txt").unwrap();
 892        assert!(!tracked.is_ignored);
 893        assert!(ignored.is_ignored);
 894    });
 895}
 896
 897#[gpui::test]
 898async fn test_file_scan_exclusions(cx: &mut TestAppContext) {
 899    init_test(cx);
 900    let dir = temp_tree(json!({
 901        ".gitignore": "**/target\n/node_modules\n",
 902        "target": {
 903            "index": "blah2"
 904        },
 905        "node_modules": {
 906            ".DS_Store": "",
 907            "prettier": {
 908                "package.json": "{}",
 909            },
 910        },
 911        "src": {
 912            ".DS_Store": "",
 913            "foo": {
 914                "foo.rs": "mod another;\n",
 915                "another.rs": "// another",
 916            },
 917            "bar": {
 918                "bar.rs": "// bar",
 919            },
 920            "lib.rs": "mod foo;\nmod bar;\n",
 921        },
 922        ".DS_Store": "",
 923    }));
 924    cx.update(|cx| {
 925        cx.update_global::<SettingsStore, _, _>(|store, cx| {
 926            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
 927                project_settings.file_scan_exclusions =
 928                    Some(vec!["**/foo/**".to_string(), "**/.DS_Store".to_string()]);
 929            });
 930        });
 931    });
 932
 933    let tree = Worktree::local(
 934        build_client(cx),
 935        dir.path(),
 936        true,
 937        Arc::new(RealFs),
 938        Default::default(),
 939        &mut cx.to_async(),
 940    )
 941    .await
 942    .unwrap();
 943    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 944        .await;
 945    tree.flush_fs_events(cx).await;
 946    tree.read_with(cx, |tree, _| {
 947        check_worktree_entries(
 948            tree,
 949            &[
 950                "src/foo/foo.rs",
 951                "src/foo/another.rs",
 952                "node_modules/.DS_Store",
 953                "src/.DS_Store",
 954                ".DS_Store",
 955            ],
 956            &["target", "node_modules"],
 957            &["src/lib.rs", "src/bar/bar.rs", ".gitignore"],
 958        )
 959    });
 960
 961    cx.update(|cx| {
 962        cx.update_global::<SettingsStore, _, _>(|store, cx| {
 963            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
 964                project_settings.file_scan_exclusions =
 965                    Some(vec!["**/node_modules/**".to_string()]);
 966            });
 967        });
 968    });
 969    tree.flush_fs_events(cx).await;
 970    cx.foreground().run_until_parked();
 971    tree.read_with(cx, |tree, _| {
 972        check_worktree_entries(
 973            tree,
 974            &[
 975                "node_modules/prettier/package.json",
 976                "node_modules/.DS_Store",
 977                "node_modules",
 978            ],
 979            &["target"],
 980            &[
 981                ".gitignore",
 982                "src/lib.rs",
 983                "src/bar/bar.rs",
 984                "src/foo/foo.rs",
 985                "src/foo/another.rs",
 986                "src/.DS_Store",
 987                ".DS_Store",
 988            ],
 989        )
 990    });
 991}
 992
 993#[gpui::test]
 994async fn test_fs_events_in_exclusions(cx: &mut TestAppContext) {
 995    init_test(cx);
 996    let dir = temp_tree(json!({
 997        ".git": {
 998            "HEAD": "ref: refs/heads/main\n",
 999            "foo": "bar",
1000        },
1001        ".gitignore": "**/target\n/node_modules\ntest_output\n",
1002        "target": {
1003            "index": "blah2"
1004        },
1005        "node_modules": {
1006            ".DS_Store": "",
1007            "prettier": {
1008                "package.json": "{}",
1009            },
1010        },
1011        "src": {
1012            ".DS_Store": "",
1013            "foo": {
1014                "foo.rs": "mod another;\n",
1015                "another.rs": "// another",
1016            },
1017            "bar": {
1018                "bar.rs": "// bar",
1019            },
1020            "lib.rs": "mod foo;\nmod bar;\n",
1021        },
1022        ".DS_Store": "",
1023    }));
1024    cx.update(|cx| {
1025        cx.update_global::<SettingsStore, _, _>(|store, cx| {
1026            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
1027                project_settings.file_scan_exclusions = Some(vec![
1028                    "**/.git".to_string(),
1029                    "node_modules/".to_string(),
1030                    "build_output".to_string(),
1031                ]);
1032            });
1033        });
1034    });
1035
1036    let tree = Worktree::local(
1037        build_client(cx),
1038        dir.path(),
1039        true,
1040        Arc::new(RealFs),
1041        Default::default(),
1042        &mut cx.to_async(),
1043    )
1044    .await
1045    .unwrap();
1046    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
1047        .await;
1048    tree.flush_fs_events(cx).await;
1049    tree.read_with(cx, |tree, _| {
1050        check_worktree_entries(
1051            tree,
1052            &[
1053                ".git/HEAD",
1054                ".git/foo",
1055                "node_modules/.DS_Store",
1056                "node_modules/prettier",
1057                "node_modules/prettier/package.json",
1058            ],
1059            &["target", "node_modules"],
1060            &[
1061                ".DS_Store",
1062                "src/.DS_Store",
1063                "src/lib.rs",
1064                "src/foo/foo.rs",
1065                "src/foo/another.rs",
1066                "src/bar/bar.rs",
1067                ".gitignore",
1068            ],
1069        )
1070    });
1071
1072    let new_excluded_dir = dir.path().join("build_output");
1073    let new_ignored_dir = dir.path().join("test_output");
1074    std::fs::create_dir_all(&new_excluded_dir)
1075        .unwrap_or_else(|e| panic!("Failed to create a {new_excluded_dir:?} directory: {e}"));
1076    std::fs::create_dir_all(&new_ignored_dir)
1077        .unwrap_or_else(|e| panic!("Failed to create a {new_ignored_dir:?} directory: {e}"));
1078    let node_modules_dir = dir.path().join("node_modules");
1079    let dot_git_dir = dir.path().join(".git");
1080    let src_dir = dir.path().join("src");
1081    for existing_dir in [&node_modules_dir, &dot_git_dir, &src_dir] {
1082        assert!(
1083            existing_dir.is_dir(),
1084            "Expect {existing_dir:?} to be present in the FS already"
1085        );
1086    }
1087
1088    for directory_for_new_file in [
1089        new_excluded_dir,
1090        new_ignored_dir,
1091        node_modules_dir,
1092        dot_git_dir,
1093        src_dir,
1094    ] {
1095        std::fs::write(directory_for_new_file.join("new_file"), "new file contents")
1096            .unwrap_or_else(|e| {
1097                panic!("Failed to create in {directory_for_new_file:?} a new file: {e}")
1098            });
1099    }
1100    tree.flush_fs_events(cx).await;
1101
1102    tree.read_with(cx, |tree, _| {
1103        check_worktree_entries(
1104            tree,
1105            &[
1106                ".git/HEAD",
1107                ".git/foo",
1108                ".git/new_file",
1109                "node_modules/.DS_Store",
1110                "node_modules/prettier",
1111                "node_modules/prettier/package.json",
1112                "node_modules/new_file",
1113                "build_output",
1114                "build_output/new_file",
1115                "test_output/new_file",
1116            ],
1117            &["target", "node_modules", "test_output"],
1118            &[
1119                ".DS_Store",
1120                "src/.DS_Store",
1121                "src/lib.rs",
1122                "src/foo/foo.rs",
1123                "src/foo/another.rs",
1124                "src/bar/bar.rs",
1125                "src/new_file",
1126                ".gitignore",
1127            ],
1128        )
1129    });
1130}
1131
1132#[gpui::test(iterations = 30)]
1133async fn test_create_directory_during_initial_scan(cx: &mut TestAppContext) {
1134    init_test(cx);
1135    let fs = FakeFs::new(cx.background());
1136    fs.insert_tree(
1137        "/root",
1138        json!({
1139            "b": {},
1140            "c": {},
1141            "d": {},
1142        }),
1143    )
1144    .await;
1145
1146    let tree = Worktree::local(
1147        build_client(cx),
1148        "/root".as_ref(),
1149        true,
1150        fs,
1151        Default::default(),
1152        &mut cx.to_async(),
1153    )
1154    .await
1155    .unwrap();
1156
1157    let snapshot1 = tree.update(cx, |tree, cx| {
1158        let tree = tree.as_local_mut().unwrap();
1159        let snapshot = Arc::new(Mutex::new(tree.snapshot()));
1160        let _ = tree.observe_updates(0, cx, {
1161            let snapshot = snapshot.clone();
1162            move |update| {
1163                snapshot.lock().apply_remote_update(update).unwrap();
1164                async { true }
1165            }
1166        });
1167        snapshot
1168    });
1169
1170    let entry = tree
1171        .update(cx, |tree, cx| {
1172            tree.as_local_mut()
1173                .unwrap()
1174                .create_entry("a/e".as_ref(), true, cx)
1175        })
1176        .await
1177        .unwrap();
1178    assert!(entry.is_dir());
1179
1180    cx.foreground().run_until_parked();
1181    tree.read_with(cx, |tree, _| {
1182        assert_eq!(tree.entry_for_path("a/e").unwrap().kind, EntryKind::Dir);
1183    });
1184
1185    let snapshot2 = tree.update(cx, |tree, _| tree.as_local().unwrap().snapshot());
1186    assert_eq!(
1187        snapshot1.lock().entries(true).collect::<Vec<_>>(),
1188        snapshot2.entries(true).collect::<Vec<_>>()
1189    );
1190}
1191
1192#[gpui::test]
1193async fn test_create_dir_all_on_create_entry(cx: &mut TestAppContext) {
1194    init_test(cx);
1195    let client_fake = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
1196
1197    let fs_fake = FakeFs::new(cx.background());
1198    fs_fake
1199        .insert_tree(
1200            "/root",
1201            json!({
1202                "a": {},
1203            }),
1204        )
1205        .await;
1206
1207    let tree_fake = Worktree::local(
1208        client_fake,
1209        "/root".as_ref(),
1210        true,
1211        fs_fake,
1212        Default::default(),
1213        &mut cx.to_async(),
1214    )
1215    .await
1216    .unwrap();
1217
1218    let entry = tree_fake
1219        .update(cx, |tree, cx| {
1220            tree.as_local_mut()
1221                .unwrap()
1222                .create_entry("a/b/c/d.txt".as_ref(), false, cx)
1223        })
1224        .await
1225        .unwrap();
1226    assert!(entry.is_file());
1227
1228    cx.foreground().run_until_parked();
1229    tree_fake.read_with(cx, |tree, _| {
1230        assert!(tree.entry_for_path("a/b/c/d.txt").unwrap().is_file());
1231        assert!(tree.entry_for_path("a/b/c/").unwrap().is_dir());
1232        assert!(tree.entry_for_path("a/b/").unwrap().is_dir());
1233    });
1234
1235    let client_real = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
1236
1237    let fs_real = Arc::new(RealFs);
1238    let temp_root = temp_tree(json!({
1239        "a": {}
1240    }));
1241
1242    let tree_real = Worktree::local(
1243        client_real,
1244        temp_root.path(),
1245        true,
1246        fs_real,
1247        Default::default(),
1248        &mut cx.to_async(),
1249    )
1250    .await
1251    .unwrap();
1252
1253    let entry = tree_real
1254        .update(cx, |tree, cx| {
1255            tree.as_local_mut()
1256                .unwrap()
1257                .create_entry("a/b/c/d.txt".as_ref(), false, cx)
1258        })
1259        .await
1260        .unwrap();
1261    assert!(entry.is_file());
1262
1263    cx.foreground().run_until_parked();
1264    tree_real.read_with(cx, |tree, _| {
1265        assert!(tree.entry_for_path("a/b/c/d.txt").unwrap().is_file());
1266        assert!(tree.entry_for_path("a/b/c/").unwrap().is_dir());
1267        assert!(tree.entry_for_path("a/b/").unwrap().is_dir());
1268    });
1269
1270    // Test smallest change
1271    let entry = tree_real
1272        .update(cx, |tree, cx| {
1273            tree.as_local_mut()
1274                .unwrap()
1275                .create_entry("a/b/c/e.txt".as_ref(), false, cx)
1276        })
1277        .await
1278        .unwrap();
1279    assert!(entry.is_file());
1280
1281    cx.foreground().run_until_parked();
1282    tree_real.read_with(cx, |tree, _| {
1283        assert!(tree.entry_for_path("a/b/c/e.txt").unwrap().is_file());
1284    });
1285
1286    // Test largest change
1287    let entry = tree_real
1288        .update(cx, |tree, cx| {
1289            tree.as_local_mut()
1290                .unwrap()
1291                .create_entry("d/e/f/g.txt".as_ref(), false, cx)
1292        })
1293        .await
1294        .unwrap();
1295    assert!(entry.is_file());
1296
1297    cx.foreground().run_until_parked();
1298    tree_real.read_with(cx, |tree, _| {
1299        assert!(tree.entry_for_path("d/e/f/g.txt").unwrap().is_file());
1300        assert!(tree.entry_for_path("d/e/f").unwrap().is_dir());
1301        assert!(tree.entry_for_path("d/e/").unwrap().is_dir());
1302        assert!(tree.entry_for_path("d/").unwrap().is_dir());
1303    });
1304}
1305
1306#[gpui::test(iterations = 100)]
1307async fn test_random_worktree_operations_during_initial_scan(
1308    cx: &mut TestAppContext,
1309    mut rng: StdRng,
1310) {
1311    init_test(cx);
1312    let operations = env::var("OPERATIONS")
1313        .map(|o| o.parse().unwrap())
1314        .unwrap_or(5);
1315    let initial_entries = env::var("INITIAL_ENTRIES")
1316        .map(|o| o.parse().unwrap())
1317        .unwrap_or(20);
1318
1319    let root_dir = Path::new("/test");
1320    let fs = FakeFs::new(cx.background()) as Arc<dyn Fs>;
1321    fs.as_fake().insert_tree(root_dir, json!({})).await;
1322    for _ in 0..initial_entries {
1323        randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
1324    }
1325    log::info!("generated initial tree");
1326
1327    let worktree = Worktree::local(
1328        build_client(cx),
1329        root_dir,
1330        true,
1331        fs.clone(),
1332        Default::default(),
1333        &mut cx.to_async(),
1334    )
1335    .await
1336    .unwrap();
1337
1338    let mut snapshots = vec![worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot())];
1339    let updates = Arc::new(Mutex::new(Vec::new()));
1340    worktree.update(cx, |tree, cx| {
1341        check_worktree_change_events(tree, cx);
1342
1343        let _ = tree.as_local_mut().unwrap().observe_updates(0, cx, {
1344            let updates = updates.clone();
1345            move |update| {
1346                updates.lock().push(update);
1347                async { true }
1348            }
1349        });
1350    });
1351
1352    for _ in 0..operations {
1353        worktree
1354            .update(cx, |worktree, cx| {
1355                randomly_mutate_worktree(worktree, &mut rng, cx)
1356            })
1357            .await
1358            .log_err();
1359        worktree.read_with(cx, |tree, _| {
1360            tree.as_local().unwrap().snapshot().check_invariants(true)
1361        });
1362
1363        if rng.gen_bool(0.6) {
1364            snapshots.push(worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot()));
1365        }
1366    }
1367
1368    worktree
1369        .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
1370        .await;
1371
1372    cx.foreground().run_until_parked();
1373
1374    let final_snapshot = worktree.read_with(cx, |tree, _| {
1375        let tree = tree.as_local().unwrap();
1376        let snapshot = tree.snapshot();
1377        snapshot.check_invariants(true);
1378        snapshot
1379    });
1380
1381    for (i, snapshot) in snapshots.into_iter().enumerate().rev() {
1382        let mut updated_snapshot = snapshot.clone();
1383        for update in updates.lock().iter() {
1384            if update.scan_id >= updated_snapshot.scan_id() as u64 {
1385                updated_snapshot
1386                    .apply_remote_update(update.clone())
1387                    .unwrap();
1388            }
1389        }
1390
1391        assert_eq!(
1392            updated_snapshot.entries(true).collect::<Vec<_>>(),
1393            final_snapshot.entries(true).collect::<Vec<_>>(),
1394            "wrong updates after snapshot {i}: {snapshot:#?} {updates:#?}",
1395        );
1396    }
1397}
1398
1399#[gpui::test(iterations = 100)]
1400async fn test_random_worktree_changes(cx: &mut TestAppContext, mut rng: StdRng) {
1401    init_test(cx);
1402    let operations = env::var("OPERATIONS")
1403        .map(|o| o.parse().unwrap())
1404        .unwrap_or(40);
1405    let initial_entries = env::var("INITIAL_ENTRIES")
1406        .map(|o| o.parse().unwrap())
1407        .unwrap_or(20);
1408
1409    let root_dir = Path::new("/test");
1410    let fs = FakeFs::new(cx.background()) as Arc<dyn Fs>;
1411    fs.as_fake().insert_tree(root_dir, json!({})).await;
1412    for _ in 0..initial_entries {
1413        randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
1414    }
1415    log::info!("generated initial tree");
1416
1417    let worktree = Worktree::local(
1418        build_client(cx),
1419        root_dir,
1420        true,
1421        fs.clone(),
1422        Default::default(),
1423        &mut cx.to_async(),
1424    )
1425    .await
1426    .unwrap();
1427
1428    let updates = Arc::new(Mutex::new(Vec::new()));
1429    worktree.update(cx, |tree, cx| {
1430        check_worktree_change_events(tree, cx);
1431
1432        let _ = tree.as_local_mut().unwrap().observe_updates(0, cx, {
1433            let updates = updates.clone();
1434            move |update| {
1435                updates.lock().push(update);
1436                async { true }
1437            }
1438        });
1439    });
1440
1441    worktree
1442        .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
1443        .await;
1444
1445    fs.as_fake().pause_events();
1446    let mut snapshots = Vec::new();
1447    let mut mutations_len = operations;
1448    while mutations_len > 1 {
1449        if rng.gen_bool(0.2) {
1450            worktree
1451                .update(cx, |worktree, cx| {
1452                    randomly_mutate_worktree(worktree, &mut rng, cx)
1453                })
1454                .await
1455                .log_err();
1456        } else {
1457            randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
1458        }
1459
1460        let buffered_event_count = fs.as_fake().buffered_event_count();
1461        if buffered_event_count > 0 && rng.gen_bool(0.3) {
1462            let len = rng.gen_range(0..=buffered_event_count);
1463            log::info!("flushing {} events", len);
1464            fs.as_fake().flush_events(len);
1465        } else {
1466            randomly_mutate_fs(&fs, root_dir, 0.6, &mut rng).await;
1467            mutations_len -= 1;
1468        }
1469
1470        cx.foreground().run_until_parked();
1471        if rng.gen_bool(0.2) {
1472            log::info!("storing snapshot {}", snapshots.len());
1473            let snapshot = worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
1474            snapshots.push(snapshot);
1475        }
1476    }
1477
1478    log::info!("quiescing");
1479    fs.as_fake().flush_events(usize::MAX);
1480    cx.foreground().run_until_parked();
1481
1482    let snapshot = worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
1483    snapshot.check_invariants(true);
1484    let expanded_paths = snapshot
1485        .expanded_entries()
1486        .map(|e| e.path.clone())
1487        .collect::<Vec<_>>();
1488
1489    {
1490        let new_worktree = Worktree::local(
1491            build_client(cx),
1492            root_dir,
1493            true,
1494            fs.clone(),
1495            Default::default(),
1496            &mut cx.to_async(),
1497        )
1498        .await
1499        .unwrap();
1500        new_worktree
1501            .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
1502            .await;
1503        new_worktree
1504            .update(cx, |tree, _| {
1505                tree.as_local_mut()
1506                    .unwrap()
1507                    .refresh_entries_for_paths(expanded_paths)
1508            })
1509            .recv()
1510            .await;
1511        let new_snapshot =
1512            new_worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
1513        assert_eq!(
1514            snapshot.entries_without_ids(true),
1515            new_snapshot.entries_without_ids(true)
1516        );
1517    }
1518
1519    for (i, mut prev_snapshot) in snapshots.into_iter().enumerate().rev() {
1520        for update in updates.lock().iter() {
1521            if update.scan_id >= prev_snapshot.scan_id() as u64 {
1522                prev_snapshot.apply_remote_update(update.clone()).unwrap();
1523            }
1524        }
1525
1526        assert_eq!(
1527            prev_snapshot
1528                .entries(true)
1529                .map(ignore_pending_dir)
1530                .collect::<Vec<_>>(),
1531            snapshot
1532                .entries(true)
1533                .map(ignore_pending_dir)
1534                .collect::<Vec<_>>(),
1535            "wrong updates after snapshot {i}: {updates:#?}",
1536        );
1537    }
1538
1539    fn ignore_pending_dir(entry: &Entry) -> Entry {
1540        let mut entry = entry.clone();
1541        if entry.kind.is_dir() {
1542            entry.kind = EntryKind::Dir
1543        }
1544        entry
1545    }
1546}
1547
1548// The worktree's `UpdatedEntries` event can be used to follow along with
1549// all changes to the worktree's snapshot.
1550fn check_worktree_change_events(tree: &mut Worktree, cx: &mut ModelContext<Worktree>) {
1551    let mut entries = tree.entries(true).cloned().collect::<Vec<_>>();
1552    cx.subscribe(&cx.handle(), move |tree, _, event, _| {
1553        if let Event::UpdatedEntries(changes) = event {
1554            for (path, _, change_type) in changes.iter() {
1555                let entry = tree.entry_for_path(&path).cloned();
1556                let ix = match entries.binary_search_by_key(&path, |e| &e.path) {
1557                    Ok(ix) | Err(ix) => ix,
1558                };
1559                match change_type {
1560                    PathChange::Added => entries.insert(ix, entry.unwrap()),
1561                    PathChange::Removed => drop(entries.remove(ix)),
1562                    PathChange::Updated => {
1563                        let entry = entry.unwrap();
1564                        let existing_entry = entries.get_mut(ix).unwrap();
1565                        assert_eq!(existing_entry.path, entry.path);
1566                        *existing_entry = entry;
1567                    }
1568                    PathChange::AddedOrUpdated | PathChange::Loaded => {
1569                        let entry = entry.unwrap();
1570                        if entries.get(ix).map(|e| &e.path) == Some(&entry.path) {
1571                            *entries.get_mut(ix).unwrap() = entry;
1572                        } else {
1573                            entries.insert(ix, entry);
1574                        }
1575                    }
1576                }
1577            }
1578
1579            let new_entries = tree.entries(true).cloned().collect::<Vec<_>>();
1580            assert_eq!(entries, new_entries, "incorrect changes: {:?}", changes);
1581        }
1582    })
1583    .detach();
1584}
1585
1586fn randomly_mutate_worktree(
1587    worktree: &mut Worktree,
1588    rng: &mut impl Rng,
1589    cx: &mut ModelContext<Worktree>,
1590) -> Task<Result<()>> {
1591    log::info!("mutating worktree");
1592    let worktree = worktree.as_local_mut().unwrap();
1593    let snapshot = worktree.snapshot();
1594    let entry = snapshot.entries(false).choose(rng).unwrap();
1595
1596    match rng.gen_range(0_u32..100) {
1597        0..=33 if entry.path.as_ref() != Path::new("") => {
1598            log::info!("deleting entry {:?} ({})", entry.path, entry.id.0);
1599            worktree.delete_entry(entry.id, cx).unwrap()
1600        }
1601        ..=66 if entry.path.as_ref() != Path::new("") => {
1602            let other_entry = snapshot.entries(false).choose(rng).unwrap();
1603            let new_parent_path = if other_entry.is_dir() {
1604                other_entry.path.clone()
1605            } else {
1606                other_entry.path.parent().unwrap().into()
1607            };
1608            let mut new_path = new_parent_path.join(random_filename(rng));
1609            if new_path.starts_with(&entry.path) {
1610                new_path = random_filename(rng).into();
1611            }
1612
1613            log::info!(
1614                "renaming entry {:?} ({}) to {:?}",
1615                entry.path,
1616                entry.id.0,
1617                new_path
1618            );
1619            let task = worktree.rename_entry(entry.id, new_path, cx).unwrap();
1620            cx.foreground().spawn(async move {
1621                task.await?;
1622                Ok(())
1623            })
1624        }
1625        _ => {
1626            let task = if entry.is_dir() {
1627                let child_path = entry.path.join(random_filename(rng));
1628                let is_dir = rng.gen_bool(0.3);
1629                log::info!(
1630                    "creating {} at {:?}",
1631                    if is_dir { "dir" } else { "file" },
1632                    child_path,
1633                );
1634                worktree.create_entry(child_path, is_dir, cx)
1635            } else {
1636                log::info!("overwriting file {:?} ({})", entry.path, entry.id.0);
1637                worktree.write_file(entry.path.clone(), "".into(), Default::default(), cx)
1638            };
1639            cx.foreground().spawn(async move {
1640                task.await?;
1641                Ok(())
1642            })
1643        }
1644    }
1645}
1646
1647async fn randomly_mutate_fs(
1648    fs: &Arc<dyn Fs>,
1649    root_path: &Path,
1650    insertion_probability: f64,
1651    rng: &mut impl Rng,
1652) {
1653    log::info!("mutating fs");
1654    let mut files = Vec::new();
1655    let mut dirs = Vec::new();
1656    for path in fs.as_fake().paths(false) {
1657        if path.starts_with(root_path) {
1658            if fs.is_file(&path).await {
1659                files.push(path);
1660            } else {
1661                dirs.push(path);
1662            }
1663        }
1664    }
1665
1666    if (files.is_empty() && dirs.len() == 1) || rng.gen_bool(insertion_probability) {
1667        let path = dirs.choose(rng).unwrap();
1668        let new_path = path.join(random_filename(rng));
1669
1670        if rng.gen() {
1671            log::info!(
1672                "creating dir {:?}",
1673                new_path.strip_prefix(root_path).unwrap()
1674            );
1675            fs.create_dir(&new_path).await.unwrap();
1676        } else {
1677            log::info!(
1678                "creating file {:?}",
1679                new_path.strip_prefix(root_path).unwrap()
1680            );
1681            fs.create_file(&new_path, Default::default()).await.unwrap();
1682        }
1683    } else if rng.gen_bool(0.05) {
1684        let ignore_dir_path = dirs.choose(rng).unwrap();
1685        let ignore_path = ignore_dir_path.join(&*GITIGNORE);
1686
1687        let subdirs = dirs
1688            .iter()
1689            .filter(|d| d.starts_with(&ignore_dir_path))
1690            .cloned()
1691            .collect::<Vec<_>>();
1692        let subfiles = files
1693            .iter()
1694            .filter(|d| d.starts_with(&ignore_dir_path))
1695            .cloned()
1696            .collect::<Vec<_>>();
1697        let files_to_ignore = {
1698            let len = rng.gen_range(0..=subfiles.len());
1699            subfiles.choose_multiple(rng, len)
1700        };
1701        let dirs_to_ignore = {
1702            let len = rng.gen_range(0..subdirs.len());
1703            subdirs.choose_multiple(rng, len)
1704        };
1705
1706        let mut ignore_contents = String::new();
1707        for path_to_ignore in files_to_ignore.chain(dirs_to_ignore) {
1708            writeln!(
1709                ignore_contents,
1710                "{}",
1711                path_to_ignore
1712                    .strip_prefix(&ignore_dir_path)
1713                    .unwrap()
1714                    .to_str()
1715                    .unwrap()
1716            )
1717            .unwrap();
1718        }
1719        log::info!(
1720            "creating gitignore {:?} with contents:\n{}",
1721            ignore_path.strip_prefix(&root_path).unwrap(),
1722            ignore_contents
1723        );
1724        fs.save(
1725            &ignore_path,
1726            &ignore_contents.as_str().into(),
1727            Default::default(),
1728        )
1729        .await
1730        .unwrap();
1731    } else {
1732        let old_path = {
1733            let file_path = files.choose(rng);
1734            let dir_path = dirs[1..].choose(rng);
1735            file_path.into_iter().chain(dir_path).choose(rng).unwrap()
1736        };
1737
1738        let is_rename = rng.gen();
1739        if is_rename {
1740            let new_path_parent = dirs
1741                .iter()
1742                .filter(|d| !d.starts_with(old_path))
1743                .choose(rng)
1744                .unwrap();
1745
1746            let overwrite_existing_dir =
1747                !old_path.starts_with(&new_path_parent) && rng.gen_bool(0.3);
1748            let new_path = if overwrite_existing_dir {
1749                fs.remove_dir(
1750                    &new_path_parent,
1751                    RemoveOptions {
1752                        recursive: true,
1753                        ignore_if_not_exists: true,
1754                    },
1755                )
1756                .await
1757                .unwrap();
1758                new_path_parent.to_path_buf()
1759            } else {
1760                new_path_parent.join(random_filename(rng))
1761            };
1762
1763            log::info!(
1764                "renaming {:?} to {}{:?}",
1765                old_path.strip_prefix(&root_path).unwrap(),
1766                if overwrite_existing_dir {
1767                    "overwrite "
1768                } else {
1769                    ""
1770                },
1771                new_path.strip_prefix(&root_path).unwrap()
1772            );
1773            fs.rename(
1774                &old_path,
1775                &new_path,
1776                fs::RenameOptions {
1777                    overwrite: true,
1778                    ignore_if_exists: true,
1779                },
1780            )
1781            .await
1782            .unwrap();
1783        } else if fs.is_file(&old_path).await {
1784            log::info!(
1785                "deleting file {:?}",
1786                old_path.strip_prefix(&root_path).unwrap()
1787            );
1788            fs.remove_file(old_path, Default::default()).await.unwrap();
1789        } else {
1790            log::info!(
1791                "deleting dir {:?}",
1792                old_path.strip_prefix(&root_path).unwrap()
1793            );
1794            fs.remove_dir(
1795                &old_path,
1796                RemoveOptions {
1797                    recursive: true,
1798                    ignore_if_not_exists: true,
1799                },
1800            )
1801            .await
1802            .unwrap();
1803        }
1804    }
1805}
1806
1807fn random_filename(rng: &mut impl Rng) -> String {
1808    (0..6)
1809        .map(|_| rng.sample(rand::distributions::Alphanumeric))
1810        .map(char::from)
1811        .collect()
1812}
1813
1814#[gpui::test]
1815async fn test_rename_work_directory(cx: &mut TestAppContext) {
1816    init_test(cx);
1817    let root = temp_tree(json!({
1818        "projects": {
1819            "project1": {
1820                "a": "",
1821                "b": "",
1822            }
1823        },
1824
1825    }));
1826    let root_path = root.path();
1827
1828    let tree = Worktree::local(
1829        build_client(cx),
1830        root_path,
1831        true,
1832        Arc::new(RealFs),
1833        Default::default(),
1834        &mut cx.to_async(),
1835    )
1836    .await
1837    .unwrap();
1838
1839    let repo = git_init(&root_path.join("projects/project1"));
1840    git_add("a", &repo);
1841    git_commit("init", &repo);
1842    std::fs::write(root_path.join("projects/project1/a"), "aa").ok();
1843
1844    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
1845        .await;
1846
1847    tree.flush_fs_events(cx).await;
1848
1849    cx.read(|cx| {
1850        let tree = tree.read(cx);
1851        let (work_dir, _) = tree.repositories().next().unwrap();
1852        assert_eq!(work_dir.as_ref(), Path::new("projects/project1"));
1853        assert_eq!(
1854            tree.status_for_file(Path::new("projects/project1/a")),
1855            Some(GitFileStatus::Modified)
1856        );
1857        assert_eq!(
1858            tree.status_for_file(Path::new("projects/project1/b")),
1859            Some(GitFileStatus::Added)
1860        );
1861    });
1862
1863    std::fs::rename(
1864        root_path.join("projects/project1"),
1865        root_path.join("projects/project2"),
1866    )
1867    .ok();
1868    tree.flush_fs_events(cx).await;
1869
1870    cx.read(|cx| {
1871        let tree = tree.read(cx);
1872        let (work_dir, _) = tree.repositories().next().unwrap();
1873        assert_eq!(work_dir.as_ref(), Path::new("projects/project2"));
1874        assert_eq!(
1875            tree.status_for_file(Path::new("projects/project2/a")),
1876            Some(GitFileStatus::Modified)
1877        );
1878        assert_eq!(
1879            tree.status_for_file(Path::new("projects/project2/b")),
1880            Some(GitFileStatus::Added)
1881        );
1882    });
1883}
1884
1885#[gpui::test]
1886async fn test_git_repository_for_path(cx: &mut TestAppContext) {
1887    init_test(cx);
1888    let root = temp_tree(json!({
1889        "c.txt": "",
1890        "dir1": {
1891            ".git": {},
1892            "deps": {
1893                "dep1": {
1894                    ".git": {},
1895                    "src": {
1896                        "a.txt": ""
1897                    }
1898                }
1899            },
1900            "src": {
1901                "b.txt": ""
1902            }
1903        },
1904    }));
1905
1906    let tree = Worktree::local(
1907        build_client(cx),
1908        root.path(),
1909        true,
1910        Arc::new(RealFs),
1911        Default::default(),
1912        &mut cx.to_async(),
1913    )
1914    .await
1915    .unwrap();
1916
1917    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
1918        .await;
1919    tree.flush_fs_events(cx).await;
1920
1921    tree.read_with(cx, |tree, _cx| {
1922        let tree = tree.as_local().unwrap();
1923
1924        assert!(tree.repository_for_path("c.txt".as_ref()).is_none());
1925
1926        let entry = tree.repository_for_path("dir1/src/b.txt".as_ref()).unwrap();
1927        assert_eq!(
1928            entry
1929                .work_directory(tree)
1930                .map(|directory| directory.as_ref().to_owned()),
1931            Some(Path::new("dir1").to_owned())
1932        );
1933
1934        let entry = tree
1935            .repository_for_path("dir1/deps/dep1/src/a.txt".as_ref())
1936            .unwrap();
1937        assert_eq!(
1938            entry
1939                .work_directory(tree)
1940                .map(|directory| directory.as_ref().to_owned()),
1941            Some(Path::new("dir1/deps/dep1").to_owned())
1942        );
1943
1944        let entries = tree.files(false, 0);
1945
1946        let paths_with_repos = tree
1947            .entries_with_repositories(entries)
1948            .map(|(entry, repo)| {
1949                (
1950                    entry.path.as_ref(),
1951                    repo.and_then(|repo| {
1952                        repo.work_directory(&tree)
1953                            .map(|work_directory| work_directory.0.to_path_buf())
1954                    }),
1955                )
1956            })
1957            .collect::<Vec<_>>();
1958
1959        assert_eq!(
1960            paths_with_repos,
1961            &[
1962                (Path::new("c.txt"), None),
1963                (
1964                    Path::new("dir1/deps/dep1/src/a.txt"),
1965                    Some(Path::new("dir1/deps/dep1").into())
1966                ),
1967                (Path::new("dir1/src/b.txt"), Some(Path::new("dir1").into())),
1968            ]
1969        );
1970    });
1971
1972    let repo_update_events = Arc::new(Mutex::new(vec![]));
1973    tree.update(cx, |_, cx| {
1974        let repo_update_events = repo_update_events.clone();
1975        cx.subscribe(&tree, move |_, _, event, _| {
1976            if let Event::UpdatedGitRepositories(update) = event {
1977                repo_update_events.lock().push(update.clone());
1978            }
1979        })
1980        .detach();
1981    });
1982
1983    std::fs::write(root.path().join("dir1/.git/random_new_file"), "hello").unwrap();
1984    tree.flush_fs_events(cx).await;
1985
1986    assert_eq!(
1987        repo_update_events.lock()[0]
1988            .iter()
1989            .map(|e| e.0.clone())
1990            .collect::<Vec<Arc<Path>>>(),
1991        vec![Path::new("dir1").into()]
1992    );
1993
1994    std::fs::remove_dir_all(root.path().join("dir1/.git")).unwrap();
1995    tree.flush_fs_events(cx).await;
1996
1997    tree.read_with(cx, |tree, _cx| {
1998        let tree = tree.as_local().unwrap();
1999
2000        assert!(tree
2001            .repository_for_path("dir1/src/b.txt".as_ref())
2002            .is_none());
2003    });
2004}
2005
2006#[gpui::test]
2007async fn test_git_status(deterministic: Arc<Deterministic>, cx: &mut TestAppContext) {
2008    init_test(cx);
2009    cx.update(|cx| {
2010        cx.update_global::<SettingsStore, _, _>(|store, cx| {
2011            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
2012                project_settings.file_scan_exclusions =
2013                    Some(vec!["**/.git".to_string(), "**/.gitignore".to_string()]);
2014            });
2015        });
2016    });
2017    const IGNORE_RULE: &'static str = "**/target";
2018
2019    let root = temp_tree(json!({
2020        "project": {
2021            "a.txt": "a",
2022            "b.txt": "bb",
2023            "c": {
2024                "d": {
2025                    "e.txt": "eee"
2026                }
2027            },
2028            "f.txt": "ffff",
2029            "target": {
2030                "build_file": "???"
2031            },
2032            ".gitignore": IGNORE_RULE
2033        },
2034
2035    }));
2036
2037    const A_TXT: &'static str = "a.txt";
2038    const B_TXT: &'static str = "b.txt";
2039    const E_TXT: &'static str = "c/d/e.txt";
2040    const F_TXT: &'static str = "f.txt";
2041    const DOTGITIGNORE: &'static str = ".gitignore";
2042    const BUILD_FILE: &'static str = "target/build_file";
2043    let project_path = Path::new("project");
2044
2045    // Set up git repository before creating the worktree.
2046    let work_dir = root.path().join("project");
2047    let mut repo = git_init(work_dir.as_path());
2048    repo.add_ignore_rule(IGNORE_RULE).unwrap();
2049    git_add(A_TXT, &repo);
2050    git_add(E_TXT, &repo);
2051    git_add(DOTGITIGNORE, &repo);
2052    git_commit("Initial commit", &repo);
2053
2054    let tree = Worktree::local(
2055        build_client(cx),
2056        root.path(),
2057        true,
2058        Arc::new(RealFs),
2059        Default::default(),
2060        &mut cx.to_async(),
2061    )
2062    .await
2063    .unwrap();
2064
2065    tree.flush_fs_events(cx).await;
2066    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
2067        .await;
2068    deterministic.run_until_parked();
2069
2070    // Check that the right git state is observed on startup
2071    tree.read_with(cx, |tree, _cx| {
2072        let snapshot = tree.snapshot();
2073        assert_eq!(snapshot.repositories().count(), 1);
2074        let (dir, _) = snapshot.repositories().next().unwrap();
2075        assert_eq!(dir.as_ref(), Path::new("project"));
2076
2077        assert_eq!(
2078            snapshot.status_for_file(project_path.join(B_TXT)),
2079            Some(GitFileStatus::Added)
2080        );
2081        assert_eq!(
2082            snapshot.status_for_file(project_path.join(F_TXT)),
2083            Some(GitFileStatus::Added)
2084        );
2085    });
2086
2087    // Modify a file in the working copy.
2088    std::fs::write(work_dir.join(A_TXT), "aa").unwrap();
2089    tree.flush_fs_events(cx).await;
2090    deterministic.run_until_parked();
2091
2092    // The worktree detects that the file's git status has changed.
2093    tree.read_with(cx, |tree, _cx| {
2094        let snapshot = tree.snapshot();
2095        assert_eq!(
2096            snapshot.status_for_file(project_path.join(A_TXT)),
2097            Some(GitFileStatus::Modified)
2098        );
2099    });
2100
2101    // Create a commit in the git repository.
2102    git_add(A_TXT, &repo);
2103    git_add(B_TXT, &repo);
2104    git_commit("Committing modified and added", &repo);
2105    tree.flush_fs_events(cx).await;
2106    deterministic.run_until_parked();
2107
2108    // The worktree detects that the files' git status have changed.
2109    tree.read_with(cx, |tree, _cx| {
2110        let snapshot = tree.snapshot();
2111        assert_eq!(
2112            snapshot.status_for_file(project_path.join(F_TXT)),
2113            Some(GitFileStatus::Added)
2114        );
2115        assert_eq!(snapshot.status_for_file(project_path.join(B_TXT)), None);
2116        assert_eq!(snapshot.status_for_file(project_path.join(A_TXT)), None);
2117    });
2118
2119    // Modify files in the working copy and perform git operations on other files.
2120    git_reset(0, &repo);
2121    git_remove_index(Path::new(B_TXT), &repo);
2122    git_stash(&mut repo);
2123    std::fs::write(work_dir.join(E_TXT), "eeee").unwrap();
2124    std::fs::write(work_dir.join(BUILD_FILE), "this should be ignored").unwrap();
2125    tree.flush_fs_events(cx).await;
2126    deterministic.run_until_parked();
2127
2128    // Check that more complex repo changes are tracked
2129    tree.read_with(cx, |tree, _cx| {
2130        let snapshot = tree.snapshot();
2131
2132        assert_eq!(snapshot.status_for_file(project_path.join(A_TXT)), None);
2133        assert_eq!(
2134            snapshot.status_for_file(project_path.join(B_TXT)),
2135            Some(GitFileStatus::Added)
2136        );
2137        assert_eq!(
2138            snapshot.status_for_file(project_path.join(E_TXT)),
2139            Some(GitFileStatus::Modified)
2140        );
2141    });
2142
2143    std::fs::remove_file(work_dir.join(B_TXT)).unwrap();
2144    std::fs::remove_dir_all(work_dir.join("c")).unwrap();
2145    std::fs::write(
2146        work_dir.join(DOTGITIGNORE),
2147        [IGNORE_RULE, "f.txt"].join("\n"),
2148    )
2149    .unwrap();
2150
2151    git_add(Path::new(DOTGITIGNORE), &repo);
2152    git_commit("Committing modified git ignore", &repo);
2153
2154    tree.flush_fs_events(cx).await;
2155    deterministic.run_until_parked();
2156
2157    let mut renamed_dir_name = "first_directory/second_directory";
2158    const RENAMED_FILE: &'static str = "rf.txt";
2159
2160    std::fs::create_dir_all(work_dir.join(renamed_dir_name)).unwrap();
2161    std::fs::write(
2162        work_dir.join(renamed_dir_name).join(RENAMED_FILE),
2163        "new-contents",
2164    )
2165    .unwrap();
2166
2167    tree.flush_fs_events(cx).await;
2168    deterministic.run_until_parked();
2169
2170    tree.read_with(cx, |tree, _cx| {
2171        let snapshot = tree.snapshot();
2172        assert_eq!(
2173            snapshot.status_for_file(&project_path.join(renamed_dir_name).join(RENAMED_FILE)),
2174            Some(GitFileStatus::Added)
2175        );
2176    });
2177
2178    renamed_dir_name = "new_first_directory/second_directory";
2179
2180    std::fs::rename(
2181        work_dir.join("first_directory"),
2182        work_dir.join("new_first_directory"),
2183    )
2184    .unwrap();
2185
2186    tree.flush_fs_events(cx).await;
2187    deterministic.run_until_parked();
2188
2189    tree.read_with(cx, |tree, _cx| {
2190        let snapshot = tree.snapshot();
2191
2192        assert_eq!(
2193            snapshot.status_for_file(
2194                project_path
2195                    .join(Path::new(renamed_dir_name))
2196                    .join(RENAMED_FILE)
2197            ),
2198            Some(GitFileStatus::Added)
2199        );
2200    });
2201}
2202
2203#[gpui::test]
2204async fn test_propagate_git_statuses(cx: &mut TestAppContext) {
2205    init_test(cx);
2206    let fs = FakeFs::new(cx.background());
2207    fs.insert_tree(
2208        "/root",
2209        json!({
2210            ".git": {},
2211            "a": {
2212                "b": {
2213                    "c1.txt": "",
2214                    "c2.txt": "",
2215                },
2216                "d": {
2217                    "e1.txt": "",
2218                    "e2.txt": "",
2219                    "e3.txt": "",
2220                }
2221            },
2222            "f": {
2223                "no-status.txt": ""
2224            },
2225            "g": {
2226                "h1.txt": "",
2227                "h2.txt": ""
2228            },
2229
2230        }),
2231    )
2232    .await;
2233
2234    fs.set_status_for_repo_via_git_operation(
2235        &Path::new("/root/.git"),
2236        &[
2237            (Path::new("a/b/c1.txt"), GitFileStatus::Added),
2238            (Path::new("a/d/e2.txt"), GitFileStatus::Modified),
2239            (Path::new("g/h2.txt"), GitFileStatus::Conflict),
2240        ],
2241    );
2242
2243    let tree = Worktree::local(
2244        build_client(cx),
2245        Path::new("/root"),
2246        true,
2247        fs.clone(),
2248        Default::default(),
2249        &mut cx.to_async(),
2250    )
2251    .await
2252    .unwrap();
2253
2254    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
2255        .await;
2256
2257    cx.foreground().run_until_parked();
2258    let snapshot = tree.read_with(cx, |tree, _| tree.snapshot());
2259
2260    check_propagated_statuses(
2261        &snapshot,
2262        &[
2263            (Path::new(""), Some(GitFileStatus::Conflict)),
2264            (Path::new("a"), Some(GitFileStatus::Modified)),
2265            (Path::new("a/b"), Some(GitFileStatus::Added)),
2266            (Path::new("a/b/c1.txt"), Some(GitFileStatus::Added)),
2267            (Path::new("a/b/c2.txt"), None),
2268            (Path::new("a/d"), Some(GitFileStatus::Modified)),
2269            (Path::new("a/d/e2.txt"), Some(GitFileStatus::Modified)),
2270            (Path::new("f"), None),
2271            (Path::new("f/no-status.txt"), None),
2272            (Path::new("g"), Some(GitFileStatus::Conflict)),
2273            (Path::new("g/h2.txt"), Some(GitFileStatus::Conflict)),
2274        ],
2275    );
2276
2277    check_propagated_statuses(
2278        &snapshot,
2279        &[
2280            (Path::new("a/b"), Some(GitFileStatus::Added)),
2281            (Path::new("a/b/c1.txt"), Some(GitFileStatus::Added)),
2282            (Path::new("a/b/c2.txt"), None),
2283            (Path::new("a/d"), Some(GitFileStatus::Modified)),
2284            (Path::new("a/d/e1.txt"), None),
2285            (Path::new("a/d/e2.txt"), Some(GitFileStatus::Modified)),
2286            (Path::new("f"), None),
2287            (Path::new("f/no-status.txt"), None),
2288            (Path::new("g"), Some(GitFileStatus::Conflict)),
2289        ],
2290    );
2291
2292    check_propagated_statuses(
2293        &snapshot,
2294        &[
2295            (Path::new("a/b/c1.txt"), Some(GitFileStatus::Added)),
2296            (Path::new("a/b/c2.txt"), None),
2297            (Path::new("a/d/e1.txt"), None),
2298            (Path::new("a/d/e2.txt"), Some(GitFileStatus::Modified)),
2299            (Path::new("f/no-status.txt"), None),
2300        ],
2301    );
2302
2303    #[track_caller]
2304    fn check_propagated_statuses(
2305        snapshot: &Snapshot,
2306        expected_statuses: &[(&Path, Option<GitFileStatus>)],
2307    ) {
2308        let mut entries = expected_statuses
2309            .iter()
2310            .map(|(path, _)| snapshot.entry_for_path(path).unwrap().clone())
2311            .collect::<Vec<_>>();
2312        snapshot.propagate_git_statuses(&mut entries);
2313        assert_eq!(
2314            entries
2315                .iter()
2316                .map(|e| (e.path.as_ref(), e.git_status))
2317                .collect::<Vec<_>>(),
2318            expected_statuses
2319        );
2320    }
2321}
2322
2323fn build_client(cx: &mut TestAppContext) -> Arc<Client> {
2324    let http_client = FakeHttpClient::with_404_response();
2325    cx.read(|cx| Client::new(http_client, cx))
2326}
2327
2328#[track_caller]
2329fn git_init(path: &Path) -> git2::Repository {
2330    git2::Repository::init(path).expect("Failed to initialize git repository")
2331}
2332
2333#[track_caller]
2334fn git_add<P: AsRef<Path>>(path: P, repo: &git2::Repository) {
2335    let path = path.as_ref();
2336    let mut index = repo.index().expect("Failed to get index");
2337    index.add_path(path).expect("Failed to add a.txt");
2338    index.write().expect("Failed to write index");
2339}
2340
2341#[track_caller]
2342fn git_remove_index(path: &Path, repo: &git2::Repository) {
2343    let mut index = repo.index().expect("Failed to get index");
2344    index.remove_path(path).expect("Failed to add a.txt");
2345    index.write().expect("Failed to write index");
2346}
2347
2348#[track_caller]
2349fn git_commit(msg: &'static str, repo: &git2::Repository) {
2350    use git2::Signature;
2351
2352    let signature = Signature::now("test", "test@zed.dev").unwrap();
2353    let oid = repo.index().unwrap().write_tree().unwrap();
2354    let tree = repo.find_tree(oid).unwrap();
2355    if let Some(head) = repo.head().ok() {
2356        let parent_obj = head.peel(git2::ObjectType::Commit).unwrap();
2357
2358        let parent_commit = parent_obj.as_commit().unwrap();
2359
2360        repo.commit(
2361            Some("HEAD"),
2362            &signature,
2363            &signature,
2364            msg,
2365            &tree,
2366            &[parent_commit],
2367        )
2368        .expect("Failed to commit with parent");
2369    } else {
2370        repo.commit(Some("HEAD"), &signature, &signature, msg, &tree, &[])
2371            .expect("Failed to commit");
2372    }
2373}
2374
2375#[track_caller]
2376fn git_stash(repo: &mut git2::Repository) {
2377    use git2::Signature;
2378
2379    let signature = Signature::now("test", "test@zed.dev").unwrap();
2380    repo.stash_save(&signature, "N/A", None)
2381        .expect("Failed to stash");
2382}
2383
2384#[track_caller]
2385fn git_reset(offset: usize, repo: &git2::Repository) {
2386    let head = repo.head().expect("Couldn't get repo head");
2387    let object = head.peel(git2::ObjectType::Commit).unwrap();
2388    let commit = object.as_commit().unwrap();
2389    let new_head = commit
2390        .parents()
2391        .inspect(|parnet| {
2392            parnet.message();
2393        })
2394        .skip(offset)
2395        .next()
2396        .expect("Not enough history");
2397    repo.reset(&new_head.as_object(), git2::ResetType::Soft, None)
2398        .expect("Could not reset");
2399}
2400
2401#[allow(dead_code)]
2402#[track_caller]
2403fn git_status(repo: &git2::Repository) -> collections::HashMap<String, git2::Status> {
2404    repo.statuses(None)
2405        .unwrap()
2406        .iter()
2407        .map(|status| (status.path().unwrap().to_string(), status.status()))
2408        .collect()
2409}
2410
2411#[track_caller]
2412fn check_worktree_entries(
2413    tree: &Worktree,
2414    expected_excluded_paths: &[&str],
2415    expected_ignored_paths: &[&str],
2416    expected_tracked_paths: &[&str],
2417) {
2418    for path in expected_excluded_paths {
2419        let entry = tree.entry_for_path(path);
2420        assert!(
2421            entry.is_none(),
2422            "expected path '{path}' to be excluded, but got entry: {entry:?}",
2423        );
2424    }
2425    for path in expected_ignored_paths {
2426        let entry = tree
2427            .entry_for_path(path)
2428            .unwrap_or_else(|| panic!("Missing entry for expected ignored path '{path}'"));
2429        assert!(
2430            entry.is_ignored,
2431            "expected path '{path}' to be ignored, but got entry: {entry:?}",
2432        );
2433    }
2434    for path in expected_tracked_paths {
2435        let entry = tree
2436            .entry_for_path(path)
2437            .unwrap_or_else(|| panic!("Missing entry for expected tracked path '{path}'"));
2438        assert!(
2439            !entry.is_ignored,
2440            "expected path '{path}' to be tracked, but got entry: {entry:?}",
2441        );
2442    }
2443}
2444
2445fn init_test(cx: &mut gpui::TestAppContext) {
2446    cx.update(|cx| {
2447        cx.set_global(SettingsStore::test(cx));
2448        Project::init_settings(cx);
2449    });
2450}