37c2ebed7e
Release Notes: - (temporarily) Removes the linux "save file as root" feature while we figure out bugs. Updates https://github.com/zed-industries/zed/pull/22045
2132 lines
70 KiB
Rust
2132 lines
70 KiB
Rust
#[cfg(target_os = "macos")]
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mod mac_watcher;
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#[cfg(not(target_os = "macos"))]
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pub mod fs_watcher;
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use anyhow::{anyhow, Result};
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use git::GitHostingProviderRegistry;
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#[cfg(any(target_os = "linux", target_os = "freebsd"))]
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use ashpd::desktop::trash;
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#[cfg(unix)]
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use std::os::fd::AsFd;
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#[cfg(unix)]
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use std::os::fd::AsRawFd;
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#[cfg(unix)]
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use std::os::unix::fs::MetadataExt;
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#[cfg(unix)]
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use std::os::unix::fs::FileTypeExt;
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use async_tar::Archive;
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use futures::{future::BoxFuture, AsyncRead, Stream, StreamExt};
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use git::repository::{GitRepository, RealGitRepository};
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use gpui::{AppContext, Global, ReadGlobal};
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use rope::Rope;
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use serde::{Deserialize, Serialize};
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use smol::io::AsyncWriteExt;
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use std::{
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io::{self, Write},
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path::{Component, Path, PathBuf},
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pin::Pin,
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sync::Arc,
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time::{Duration, SystemTime, UNIX_EPOCH},
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};
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use tempfile::{NamedTempFile, TempDir};
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use text::LineEnding;
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use util::ResultExt;
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#[cfg(any(test, feature = "test-support"))]
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use collections::{btree_map, BTreeMap};
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#[cfg(any(test, feature = "test-support"))]
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use git::repository::{FakeGitRepositoryState, GitFileStatus};
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#[cfg(any(test, feature = "test-support"))]
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use parking_lot::Mutex;
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#[cfg(any(test, feature = "test-support"))]
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use smol::io::AsyncReadExt;
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#[cfg(any(test, feature = "test-support"))]
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use std::ffi::OsStr;
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pub trait Watcher: Send + Sync {
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fn add(&self, path: &Path) -> Result<()>;
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fn remove(&self, path: &Path) -> Result<()>;
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}
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#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
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pub enum PathEventKind {
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Removed,
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Created,
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Changed,
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}
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#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
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pub struct PathEvent {
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pub path: PathBuf,
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pub kind: Option<PathEventKind>,
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}
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impl From<PathEvent> for PathBuf {
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fn from(event: PathEvent) -> Self {
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event.path
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}
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}
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#[async_trait::async_trait]
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pub trait Fs: Send + Sync {
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async fn create_dir(&self, path: &Path) -> Result<()>;
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async fn create_symlink(&self, path: &Path, target: PathBuf) -> Result<()>;
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async fn create_file(&self, path: &Path, options: CreateOptions) -> Result<()>;
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async fn create_file_with(
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&self,
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path: &Path,
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content: Pin<&mut (dyn AsyncRead + Send)>,
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) -> Result<()>;
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async fn extract_tar_file(
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&self,
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path: &Path,
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content: Archive<Pin<&mut (dyn AsyncRead + Send)>>,
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) -> Result<()>;
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async fn copy_file(&self, source: &Path, target: &Path, options: CopyOptions) -> Result<()>;
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async fn rename(&self, source: &Path, target: &Path, options: RenameOptions) -> Result<()>;
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async fn remove_dir(&self, path: &Path, options: RemoveOptions) -> Result<()>;
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async fn trash_dir(&self, path: &Path, options: RemoveOptions) -> Result<()> {
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self.remove_dir(path, options).await
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}
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async fn remove_file(&self, path: &Path, options: RemoveOptions) -> Result<()>;
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async fn trash_file(&self, path: &Path, options: RemoveOptions) -> Result<()> {
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self.remove_file(path, options).await
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}
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async fn open_handle(&self, path: &Path) -> Result<Arc<dyn FileHandle>>;
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async fn open_sync(&self, path: &Path) -> Result<Box<dyn io::Read>>;
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async fn load(&self, path: &Path) -> Result<String> {
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Ok(String::from_utf8(self.load_bytes(path).await?)?)
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}
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async fn load_bytes(&self, path: &Path) -> Result<Vec<u8>>;
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async fn atomic_write(&self, path: PathBuf, text: String) -> Result<()>;
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async fn save(&self, path: &Path, text: &Rope, line_ending: LineEnding) -> Result<()>;
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async fn canonicalize(&self, path: &Path) -> Result<PathBuf>;
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async fn is_file(&self, path: &Path) -> bool;
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async fn is_dir(&self, path: &Path) -> bool;
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async fn metadata(&self, path: &Path) -> Result<Option<Metadata>>;
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async fn read_link(&self, path: &Path) -> Result<PathBuf>;
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async fn read_dir(
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&self,
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path: &Path,
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) -> Result<Pin<Box<dyn Send + Stream<Item = Result<PathBuf>>>>>;
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async fn watch(
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&self,
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path: &Path,
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latency: Duration,
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) -> (
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Pin<Box<dyn Send + Stream<Item = Vec<PathEvent>>>>,
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Arc<dyn Watcher>,
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);
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fn open_repo(&self, abs_dot_git: &Path) -> Option<Arc<dyn GitRepository>>;
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fn is_fake(&self) -> bool;
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async fn is_case_sensitive(&self) -> Result<bool>;
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#[cfg(any(test, feature = "test-support"))]
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fn as_fake(&self) -> Arc<FakeFs> {
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panic!("called as_fake on a real fs");
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}
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}
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struct GlobalFs(Arc<dyn Fs>);
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impl Global for GlobalFs {}
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impl dyn Fs {
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/// Returns the global [`Fs`].
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pub fn global(cx: &AppContext) -> Arc<Self> {
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GlobalFs::global(cx).0.clone()
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}
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/// Sets the global [`Fs`].
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pub fn set_global(fs: Arc<Self>, cx: &mut AppContext) {
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cx.set_global(GlobalFs(fs));
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}
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}
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#[derive(Copy, Clone, Default)]
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pub struct CreateOptions {
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pub overwrite: bool,
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pub ignore_if_exists: bool,
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}
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#[derive(Copy, Clone, Default)]
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pub struct CopyOptions {
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pub overwrite: bool,
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pub ignore_if_exists: bool,
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}
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#[derive(Copy, Clone, Default)]
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pub struct RenameOptions {
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pub overwrite: bool,
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pub ignore_if_exists: bool,
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}
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#[derive(Copy, Clone, Default)]
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pub struct RemoveOptions {
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pub recursive: bool,
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pub ignore_if_not_exists: bool,
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}
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#[derive(Copy, Clone, Debug)]
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pub struct Metadata {
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pub inode: u64,
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pub mtime: MTime,
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pub is_symlink: bool,
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pub is_dir: bool,
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pub len: u64,
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pub is_fifo: bool,
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}
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/// Filesystem modification time. The purpose of this newtype is to discourage use of operations
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/// that do not make sense for mtimes. In particular, it is not always valid to compare mtimes using
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/// `<` or `>`, as there are many things that can cause the mtime of a file to be earlier than it
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/// was. See ["mtime comparison considered harmful" - apenwarr](https://apenwarr.ca/log/20181113).
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///
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/// Do not derive Ord, PartialOrd, or arithmetic operation traits.
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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#[serde(transparent)]
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pub struct MTime(SystemTime);
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impl MTime {
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/// Conversion intended for persistence and testing.
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pub fn from_seconds_and_nanos(secs: u64, nanos: u32) -> Self {
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MTime(UNIX_EPOCH + Duration::new(secs, nanos))
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}
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/// Conversion intended for persistence.
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pub fn to_seconds_and_nanos_for_persistence(self) -> Option<(u64, u32)> {
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self.0
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.duration_since(UNIX_EPOCH)
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.ok()
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.map(|duration| (duration.as_secs(), duration.subsec_nanos()))
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}
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/// Returns the value wrapped by this `MTime`, for presentation to the user. The name including
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/// "_for_user" is to discourage misuse - this method should not be used when making decisions
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/// about file dirtiness.
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pub fn timestamp_for_user(self) -> SystemTime {
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self.0
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}
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/// Temporary method to split out the behavior changes from introduction of this newtype.
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pub fn bad_is_greater_than(self, other: MTime) -> bool {
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self.0 > other.0
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}
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}
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impl From<proto::Timestamp> for MTime {
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fn from(timestamp: proto::Timestamp) -> Self {
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MTime(timestamp.into())
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}
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}
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impl From<MTime> for proto::Timestamp {
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fn from(mtime: MTime) -> Self {
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mtime.0.into()
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}
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}
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#[derive(Default)]
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pub struct RealFs {
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git_hosting_provider_registry: Arc<GitHostingProviderRegistry>,
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git_binary_path: Option<PathBuf>,
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}
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pub trait FileHandle: Send + Sync + std::fmt::Debug {
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fn current_path(&self, fs: &Arc<dyn Fs>) -> Result<PathBuf>;
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}
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impl FileHandle for std::fs::File {
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#[cfg(target_os = "macos")]
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fn current_path(&self, _: &Arc<dyn Fs>) -> Result<PathBuf> {
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use std::{
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ffi::{CStr, OsStr},
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os::unix::ffi::OsStrExt,
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};
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let fd = self.as_fd();
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let mut path_buf: [libc::c_char; libc::PATH_MAX as usize] = [0; libc::PATH_MAX as usize];
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let result = unsafe { libc::fcntl(fd.as_raw_fd(), libc::F_GETPATH, path_buf.as_mut_ptr()) };
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if result == -1 {
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anyhow::bail!("fcntl returned -1".to_string());
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}
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let c_str = unsafe { CStr::from_ptr(path_buf.as_ptr()) };
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let path = PathBuf::from(OsStr::from_bytes(c_str.to_bytes()));
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Ok(path)
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}
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#[cfg(any(target_os = "linux", target_os = "freebsd"))]
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fn current_path(&self, _: &Arc<dyn Fs>) -> Result<PathBuf> {
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let fd = self.as_fd();
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let fd_path = format!("/proc/self/fd/{}", fd.as_raw_fd());
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let new_path = std::fs::read_link(fd_path)?;
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if new_path
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.file_name()
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.is_some_and(|f| f.to_string_lossy().ends_with(" (deleted)"))
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{
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anyhow::bail!("file was deleted")
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};
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Ok(new_path)
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}
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#[cfg(target_os = "windows")]
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fn current_path(&self, _: &Arc<dyn Fs>) -> Result<PathBuf> {
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anyhow::bail!("unimplemented")
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}
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}
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pub struct RealWatcher {}
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impl RealFs {
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pub fn new(
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git_hosting_provider_registry: Arc<GitHostingProviderRegistry>,
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git_binary_path: Option<PathBuf>,
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) -> Self {
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Self {
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git_hosting_provider_registry,
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git_binary_path,
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}
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}
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}
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#[async_trait::async_trait]
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impl Fs for RealFs {
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async fn create_dir(&self, path: &Path) -> Result<()> {
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Ok(smol::fs::create_dir_all(path).await?)
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}
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async fn create_symlink(&self, path: &Path, target: PathBuf) -> Result<()> {
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#[cfg(unix)]
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smol::fs::unix::symlink(target, path).await?;
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#[cfg(windows)]
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if smol::fs::metadata(&target).await?.is_dir() {
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smol::fs::windows::symlink_dir(target, path).await?
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} else {
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smol::fs::windows::symlink_file(target, path).await?
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}
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Ok(())
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}
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async fn create_file(&self, path: &Path, options: CreateOptions) -> Result<()> {
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let mut open_options = smol::fs::OpenOptions::new();
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open_options.write(true).create(true);
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if options.overwrite {
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open_options.truncate(true);
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} else if !options.ignore_if_exists {
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open_options.create_new(true);
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}
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open_options.open(path).await?;
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Ok(())
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}
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async fn create_file_with(
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&self,
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path: &Path,
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content: Pin<&mut (dyn AsyncRead + Send)>,
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) -> Result<()> {
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let mut file = smol::fs::File::create(&path).await?;
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futures::io::copy(content, &mut file).await?;
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Ok(())
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}
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async fn extract_tar_file(
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&self,
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path: &Path,
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content: Archive<Pin<&mut (dyn AsyncRead + Send)>>,
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) -> Result<()> {
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content.unpack(path).await?;
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Ok(())
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}
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async fn copy_file(&self, source: &Path, target: &Path, options: CopyOptions) -> Result<()> {
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if !options.overwrite && smol::fs::metadata(target).await.is_ok() {
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if options.ignore_if_exists {
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return Ok(());
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} else {
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return Err(anyhow!("{target:?} already exists"));
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}
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}
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smol::fs::copy(source, target).await?;
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Ok(())
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}
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async fn rename(&self, source: &Path, target: &Path, options: RenameOptions) -> Result<()> {
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if !options.overwrite && smol::fs::metadata(target).await.is_ok() {
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if options.ignore_if_exists {
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return Ok(());
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} else {
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return Err(anyhow!("{target:?} already exists"));
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}
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}
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smol::fs::rename(source, target).await?;
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Ok(())
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}
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async fn remove_dir(&self, path: &Path, options: RemoveOptions) -> Result<()> {
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let result = if options.recursive {
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smol::fs::remove_dir_all(path).await
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} else {
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smol::fs::remove_dir(path).await
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};
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match result {
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Ok(()) => Ok(()),
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Err(err) if err.kind() == io::ErrorKind::NotFound && options.ignore_if_not_exists => {
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Ok(())
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}
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Err(err) => Err(err)?,
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}
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}
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async fn remove_file(&self, path: &Path, options: RemoveOptions) -> Result<()> {
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#[cfg(windows)]
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if let Ok(Some(metadata)) = self.metadata(path).await {
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if metadata.is_symlink && metadata.is_dir {
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self.remove_dir(
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path,
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RemoveOptions {
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recursive: false,
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ignore_if_not_exists: true,
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},
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)
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.await?;
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return Ok(());
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}
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}
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|
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match smol::fs::remove_file(path).await {
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|
Ok(()) => Ok(()),
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|
Err(err) if err.kind() == io::ErrorKind::NotFound && options.ignore_if_not_exists => {
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Ok(())
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|
}
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Err(err) => Err(err)?,
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}
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}
|
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|
|
#[cfg(target_os = "macos")]
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async fn trash_file(&self, path: &Path, _options: RemoveOptions) -> Result<()> {
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|
use cocoa::{
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|
base::{id, nil},
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|
foundation::{NSAutoreleasePool, NSString},
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|
};
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|
use objc::{class, msg_send, sel, sel_impl};
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|
|
|
unsafe {
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|
unsafe fn ns_string(string: &str) -> id {
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|
NSString::alloc(nil).init_str(string).autorelease()
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|
}
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let url: id = msg_send![class!(NSURL), fileURLWithPath: ns_string(path.to_string_lossy().as_ref())];
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let array: id = msg_send![class!(NSArray), arrayWithObject: url];
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let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
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let _: id = msg_send![workspace, recycleURLs: array completionHandler: nil];
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}
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Ok(())
|
|
}
|
|
|
|
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
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|
async fn trash_file(&self, path: &Path, _options: RemoveOptions) -> Result<()> {
|
|
if let Ok(Some(metadata)) = self.metadata(path).await {
|
|
if metadata.is_symlink {
|
|
// TODO: trash_file does not support trashing symlinks yet - https://github.com/bilelmoussaoui/ashpd/issues/255
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|
return self.remove_file(path, RemoveOptions::default()).await;
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|
}
|
|
}
|
|
let file = smol::fs::File::open(path).await?;
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|
match trash::trash_file(&file.as_fd()).await {
|
|
Ok(_) => Ok(()),
|
|
Err(err) => Err(anyhow::Error::new(err)),
|
|
}
|
|
}
|
|
|
|
#[cfg(target_os = "windows")]
|
|
async fn trash_file(&self, path: &Path, _options: RemoveOptions) -> Result<()> {
|
|
use util::paths::SanitizedPath;
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|
use windows::{
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core::HSTRING,
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Storage::{StorageDeleteOption, StorageFile},
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|
};
|
|
// todo(windows)
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|
// When new version of `windows-rs` release, make this operation `async`
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|
let path = SanitizedPath::from(path.canonicalize()?);
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|
let path_string = path.to_string();
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|
let file = StorageFile::GetFileFromPathAsync(&HSTRING::from(path_string))?.get()?;
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file.DeleteAsync(StorageDeleteOption::Default)?.get()?;
|
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Ok(())
|
|
}
|
|
|
|
#[cfg(target_os = "macos")]
|
|
async fn trash_dir(&self, path: &Path, options: RemoveOptions) -> Result<()> {
|
|
self.trash_file(path, options).await
|
|
}
|
|
|
|
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
|
|
async fn trash_dir(&self, path: &Path, options: RemoveOptions) -> Result<()> {
|
|
self.trash_file(path, options).await
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|
}
|
|
|
|
#[cfg(target_os = "windows")]
|
|
async fn trash_dir(&self, path: &Path, _options: RemoveOptions) -> Result<()> {
|
|
use util::paths::SanitizedPath;
|
|
use windows::{
|
|
core::HSTRING,
|
|
Storage::{StorageDeleteOption, StorageFolder},
|
|
};
|
|
|
|
// todo(windows)
|
|
// When new version of `windows-rs` release, make this operation `async`
|
|
let path = SanitizedPath::from(path.canonicalize()?);
|
|
let path_string = path.to_string();
|
|
let folder = StorageFolder::GetFolderFromPathAsync(&HSTRING::from(path_string))?.get()?;
|
|
folder.DeleteAsync(StorageDeleteOption::Default)?.get()?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn open_sync(&self, path: &Path) -> Result<Box<dyn io::Read>> {
|
|
Ok(Box::new(std::fs::File::open(path)?))
|
|
}
|
|
|
|
async fn open_handle(&self, path: &Path) -> Result<Arc<dyn FileHandle>> {
|
|
Ok(Arc::new(std::fs::File::open(path)?))
|
|
}
|
|
|
|
async fn load(&self, path: &Path) -> Result<String> {
|
|
let path = path.to_path_buf();
|
|
let text = smol::unblock(|| std::fs::read_to_string(path)).await?;
|
|
Ok(text)
|
|
}
|
|
async fn load_bytes(&self, path: &Path) -> Result<Vec<u8>> {
|
|
let path = path.to_path_buf();
|
|
let bytes = smol::unblock(|| std::fs::read(path)).await?;
|
|
Ok(bytes)
|
|
}
|
|
|
|
async fn atomic_write(&self, path: PathBuf, data: String) -> Result<()> {
|
|
smol::unblock(move || {
|
|
let mut tmp_file = if cfg!(any(target_os = "linux", target_os = "freebsd")) {
|
|
// Use the directory of the destination as temp dir to avoid
|
|
// invalid cross-device link error, and XDG_CACHE_DIR for fallback.
|
|
// See https://github.com/zed-industries/zed/pull/8437 for more details.
|
|
NamedTempFile::new_in(path.parent().unwrap_or(paths::temp_dir()))
|
|
} else if cfg!(target_os = "windows") {
|
|
// If temp dir is set to a different drive than the destination,
|
|
// we receive error:
|
|
//
|
|
// failed to persist temporary file:
|
|
// The system cannot move the file to a different disk drive. (os error 17)
|
|
//
|
|
// So we use the directory of the destination as a temp dir to avoid it.
|
|
// https://github.com/zed-industries/zed/issues/16571
|
|
NamedTempFile::new_in(path.parent().unwrap_or(paths::temp_dir()))
|
|
} else {
|
|
NamedTempFile::new()
|
|
}?;
|
|
tmp_file.write_all(data.as_bytes())?;
|
|
tmp_file.persist(path)?;
|
|
Ok::<(), anyhow::Error>(())
|
|
})
|
|
.await?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
async fn save(&self, path: &Path, text: &Rope, line_ending: LineEnding) -> Result<()> {
|
|
let buffer_size = text.summary().len.min(10 * 1024);
|
|
if let Some(path) = path.parent() {
|
|
self.create_dir(path).await?;
|
|
}
|
|
let file = smol::fs::File::create(path).await?;
|
|
let mut writer = smol::io::BufWriter::with_capacity(buffer_size, file);
|
|
for chunk in chunks(text, line_ending) {
|
|
writer.write_all(chunk.as_bytes()).await?;
|
|
}
|
|
writer.flush().await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn canonicalize(&self, path: &Path) -> Result<PathBuf> {
|
|
Ok(smol::fs::canonicalize(path).await?)
|
|
}
|
|
|
|
async fn is_file(&self, path: &Path) -> bool {
|
|
smol::fs::metadata(path)
|
|
.await
|
|
.map_or(false, |metadata| metadata.is_file())
|
|
}
|
|
|
|
async fn is_dir(&self, path: &Path) -> bool {
|
|
smol::fs::metadata(path)
|
|
.await
|
|
.map_or(false, |metadata| metadata.is_dir())
|
|
}
|
|
|
|
async fn metadata(&self, path: &Path) -> Result<Option<Metadata>> {
|
|
let symlink_metadata = match smol::fs::symlink_metadata(path).await {
|
|
Ok(metadata) => metadata,
|
|
Err(err) => {
|
|
return match (err.kind(), err.raw_os_error()) {
|
|
(io::ErrorKind::NotFound, _) => Ok(None),
|
|
(io::ErrorKind::Other, Some(libc::ENOTDIR)) => Ok(None),
|
|
_ => Err(anyhow::Error::new(err)),
|
|
}
|
|
}
|
|
};
|
|
|
|
let is_symlink = symlink_metadata.file_type().is_symlink();
|
|
let metadata = if is_symlink {
|
|
smol::fs::metadata(path).await?
|
|
} else {
|
|
symlink_metadata
|
|
};
|
|
|
|
#[cfg(unix)]
|
|
let inode = metadata.ino();
|
|
|
|
#[cfg(windows)]
|
|
let inode = file_id(path).await?;
|
|
|
|
#[cfg(windows)]
|
|
let is_fifo = false;
|
|
|
|
#[cfg(unix)]
|
|
let is_fifo = metadata.file_type().is_fifo();
|
|
|
|
Ok(Some(Metadata {
|
|
inode,
|
|
mtime: MTime(metadata.modified().unwrap()),
|
|
len: metadata.len(),
|
|
is_symlink,
|
|
is_dir: metadata.file_type().is_dir(),
|
|
is_fifo,
|
|
}))
|
|
}
|
|
|
|
async fn read_link(&self, path: &Path) -> Result<PathBuf> {
|
|
let path = smol::fs::read_link(path).await?;
|
|
Ok(path)
|
|
}
|
|
|
|
async fn read_dir(
|
|
&self,
|
|
path: &Path,
|
|
) -> Result<Pin<Box<dyn Send + Stream<Item = Result<PathBuf>>>>> {
|
|
let result = smol::fs::read_dir(path).await?.map(|entry| match entry {
|
|
Ok(entry) => Ok(entry.path()),
|
|
Err(error) => Err(anyhow!("failed to read dir entry {:?}", error)),
|
|
});
|
|
Ok(Box::pin(result))
|
|
}
|
|
|
|
#[cfg(target_os = "macos")]
|
|
async fn watch(
|
|
&self,
|
|
path: &Path,
|
|
latency: Duration,
|
|
) -> (
|
|
Pin<Box<dyn Send + Stream<Item = Vec<PathEvent>>>>,
|
|
Arc<dyn Watcher>,
|
|
) {
|
|
use fsevent::StreamFlags;
|
|
|
|
let (events_tx, events_rx) = smol::channel::unbounded();
|
|
let handles = Arc::new(parking_lot::Mutex::new(collections::BTreeMap::default()));
|
|
let watcher = Arc::new(mac_watcher::MacWatcher::new(
|
|
events_tx,
|
|
Arc::downgrade(&handles),
|
|
latency,
|
|
));
|
|
watcher.add(path).expect("handles can't be dropped");
|
|
|
|
(
|
|
Box::pin(
|
|
events_rx
|
|
.map(|events| {
|
|
events
|
|
.into_iter()
|
|
.map(|event| {
|
|
let kind = if event.flags.contains(StreamFlags::ITEM_REMOVED) {
|
|
Some(PathEventKind::Removed)
|
|
} else if event.flags.contains(StreamFlags::ITEM_CREATED) {
|
|
Some(PathEventKind::Created)
|
|
} else if event.flags.contains(StreamFlags::ITEM_MODIFIED) {
|
|
Some(PathEventKind::Changed)
|
|
} else {
|
|
None
|
|
};
|
|
PathEvent {
|
|
path: event.path,
|
|
kind,
|
|
}
|
|
})
|
|
.collect()
|
|
})
|
|
.chain(futures::stream::once(async move {
|
|
drop(handles);
|
|
vec![]
|
|
})),
|
|
),
|
|
watcher,
|
|
)
|
|
}
|
|
|
|
#[cfg(not(target_os = "macos"))]
|
|
async fn watch(
|
|
&self,
|
|
path: &Path,
|
|
latency: Duration,
|
|
) -> (
|
|
Pin<Box<dyn Send + Stream<Item = Vec<PathEvent>>>>,
|
|
Arc<dyn Watcher>,
|
|
) {
|
|
use parking_lot::Mutex;
|
|
use util::paths::SanitizedPath;
|
|
|
|
let (tx, rx) = smol::channel::unbounded();
|
|
let pending_paths: Arc<Mutex<Vec<PathEvent>>> = Default::default();
|
|
let watcher = Arc::new(fs_watcher::FsWatcher::new(tx, pending_paths.clone()));
|
|
|
|
if watcher.add(path).is_err() {
|
|
// If the path doesn't exist yet (e.g. settings.json), watch the parent dir to learn when it's created.
|
|
if let Some(parent) = path.parent() {
|
|
if let Err(e) = watcher.add(parent) {
|
|
log::warn!("Failed to watch: {e}");
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check if path is a symlink and follow the target parent
|
|
if let Some(mut target) = self.read_link(&path).await.ok() {
|
|
// Check if symlink target is relative path, if so make it absolute
|
|
if target.is_relative() {
|
|
if let Some(parent) = path.parent() {
|
|
target = parent.join(target);
|
|
if let Ok(canonical) = self.canonicalize(&target).await {
|
|
target = SanitizedPath::from(canonical).as_path().to_path_buf();
|
|
}
|
|
}
|
|
}
|
|
watcher.add(&target).ok();
|
|
if let Some(parent) = target.parent() {
|
|
watcher.add(parent).log_err();
|
|
}
|
|
}
|
|
|
|
(
|
|
Box::pin(rx.filter_map({
|
|
let watcher = watcher.clone();
|
|
move |_| {
|
|
let _ = watcher.clone();
|
|
let pending_paths = pending_paths.clone();
|
|
async move {
|
|
smol::Timer::after(latency).await;
|
|
let paths = std::mem::take(&mut *pending_paths.lock());
|
|
(!paths.is_empty()).then_some(paths)
|
|
}
|
|
}
|
|
})),
|
|
watcher,
|
|
)
|
|
}
|
|
|
|
fn open_repo(&self, dotgit_path: &Path) -> Option<Arc<dyn GitRepository>> {
|
|
// with libgit2, we can open git repo from an existing work dir
|
|
// https://libgit2.org/docs/reference/main/repository/git_repository_open.html
|
|
let workdir_root = dotgit_path.parent()?;
|
|
let repo = git2::Repository::open(workdir_root).log_err()?;
|
|
Some(Arc::new(RealGitRepository::new(
|
|
repo,
|
|
self.git_binary_path.clone(),
|
|
self.git_hosting_provider_registry.clone(),
|
|
)))
|
|
}
|
|
|
|
fn is_fake(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
/// Checks whether the file system is case sensitive by attempting to create two files
|
|
/// that have the same name except for the casing.
|
|
///
|
|
/// It creates both files in a temporary directory it removes at the end.
|
|
async fn is_case_sensitive(&self) -> Result<bool> {
|
|
let temp_dir = TempDir::new()?;
|
|
let test_file_1 = temp_dir.path().join("case_sensitivity_test.tmp");
|
|
let test_file_2 = temp_dir.path().join("CASE_SENSITIVITY_TEST.TMP");
|
|
|
|
let create_opts = CreateOptions {
|
|
overwrite: false,
|
|
ignore_if_exists: false,
|
|
};
|
|
|
|
// Create file1
|
|
self.create_file(&test_file_1, create_opts).await?;
|
|
|
|
// Now check whether it's possible to create file2
|
|
let case_sensitive = match self.create_file(&test_file_2, create_opts).await {
|
|
Ok(_) => Ok(true),
|
|
Err(e) => {
|
|
if let Some(io_error) = e.downcast_ref::<io::Error>() {
|
|
if io_error.kind() == io::ErrorKind::AlreadyExists {
|
|
Ok(false)
|
|
} else {
|
|
Err(e)
|
|
}
|
|
} else {
|
|
Err(e)
|
|
}
|
|
}
|
|
};
|
|
|
|
temp_dir.close()?;
|
|
case_sensitive
|
|
}
|
|
}
|
|
|
|
#[cfg(not(any(target_os = "linux", target_os = "freebsd")))]
|
|
impl Watcher for RealWatcher {
|
|
fn add(&self, _: &Path) -> Result<()> {
|
|
Ok(())
|
|
}
|
|
|
|
fn remove(&self, _: &Path) -> Result<()> {
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
pub struct FakeFs {
|
|
this: std::sync::Weak<Self>,
|
|
// Use an unfair lock to ensure tests are deterministic.
|
|
state: Mutex<FakeFsState>,
|
|
executor: gpui::BackgroundExecutor,
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
struct FakeFsState {
|
|
root: Arc<Mutex<FakeFsEntry>>,
|
|
next_inode: u64,
|
|
next_mtime: SystemTime,
|
|
git_event_tx: smol::channel::Sender<PathBuf>,
|
|
event_txs: Vec<smol::channel::Sender<Vec<PathEvent>>>,
|
|
events_paused: bool,
|
|
buffered_events: Vec<PathEvent>,
|
|
metadata_call_count: usize,
|
|
read_dir_call_count: usize,
|
|
moves: std::collections::HashMap<u64, PathBuf>,
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
#[derive(Debug)]
|
|
enum FakeFsEntry {
|
|
File {
|
|
inode: u64,
|
|
mtime: MTime,
|
|
len: u64,
|
|
content: Vec<u8>,
|
|
},
|
|
Dir {
|
|
inode: u64,
|
|
mtime: MTime,
|
|
len: u64,
|
|
entries: BTreeMap<String, Arc<Mutex<FakeFsEntry>>>,
|
|
git_repo_state: Option<Arc<Mutex<git::repository::FakeGitRepositoryState>>>,
|
|
},
|
|
Symlink {
|
|
target: PathBuf,
|
|
},
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
impl FakeFsState {
|
|
fn get_and_increment_mtime(&mut self) -> MTime {
|
|
let mtime = self.next_mtime;
|
|
self.next_mtime += FakeFs::SYSTEMTIME_INTERVAL;
|
|
MTime(mtime)
|
|
}
|
|
|
|
fn get_and_increment_inode(&mut self) -> u64 {
|
|
let inode = self.next_inode;
|
|
self.next_inode += 1;
|
|
inode
|
|
}
|
|
|
|
fn read_path(&self, target: &Path) -> Result<Arc<Mutex<FakeFsEntry>>> {
|
|
Ok(self
|
|
.try_read_path(target, true)
|
|
.ok_or_else(|| {
|
|
anyhow!(io::Error::new(
|
|
io::ErrorKind::NotFound,
|
|
format!("not found: {}", target.display())
|
|
))
|
|
})?
|
|
.0)
|
|
}
|
|
|
|
fn try_read_path(
|
|
&self,
|
|
target: &Path,
|
|
follow_symlink: bool,
|
|
) -> Option<(Arc<Mutex<FakeFsEntry>>, PathBuf)> {
|
|
let mut path = target.to_path_buf();
|
|
let mut canonical_path = PathBuf::new();
|
|
let mut entry_stack = Vec::new();
|
|
'outer: loop {
|
|
let mut path_components = path.components().peekable();
|
|
let mut prefix = None;
|
|
while let Some(component) = path_components.next() {
|
|
match component {
|
|
Component::Prefix(prefix_component) => prefix = Some(prefix_component),
|
|
Component::RootDir => {
|
|
entry_stack.clear();
|
|
entry_stack.push(self.root.clone());
|
|
canonical_path.clear();
|
|
match prefix {
|
|
Some(prefix_component) => {
|
|
canonical_path = PathBuf::from(prefix_component.as_os_str());
|
|
// Prefixes like `C:\\` are represented without their trailing slash, so we have to re-add it.
|
|
canonical_path.push(std::path::MAIN_SEPARATOR_STR);
|
|
}
|
|
None => canonical_path = PathBuf::from(std::path::MAIN_SEPARATOR_STR),
|
|
}
|
|
}
|
|
Component::CurDir => {}
|
|
Component::ParentDir => {
|
|
entry_stack.pop()?;
|
|
canonical_path.pop();
|
|
}
|
|
Component::Normal(name) => {
|
|
let current_entry = entry_stack.last().cloned()?;
|
|
let current_entry = current_entry.lock();
|
|
if let FakeFsEntry::Dir { entries, .. } = &*current_entry {
|
|
let entry = entries.get(name.to_str().unwrap()).cloned()?;
|
|
if path_components.peek().is_some() || follow_symlink {
|
|
let entry = entry.lock();
|
|
if let FakeFsEntry::Symlink { target, .. } = &*entry {
|
|
let mut target = target.clone();
|
|
target.extend(path_components);
|
|
path = target;
|
|
continue 'outer;
|
|
}
|
|
}
|
|
entry_stack.push(entry.clone());
|
|
canonical_path = canonical_path.join(name);
|
|
} else {
|
|
return None;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
Some((entry_stack.pop()?, canonical_path))
|
|
}
|
|
|
|
fn write_path<Fn, T>(&self, path: &Path, callback: Fn) -> Result<T>
|
|
where
|
|
Fn: FnOnce(btree_map::Entry<String, Arc<Mutex<FakeFsEntry>>>) -> Result<T>,
|
|
{
|
|
let path = normalize_path(path);
|
|
let filename = path
|
|
.file_name()
|
|
.ok_or_else(|| anyhow!("cannot overwrite the root"))?;
|
|
let parent_path = path.parent().unwrap();
|
|
|
|
let parent = self.read_path(parent_path)?;
|
|
let mut parent = parent.lock();
|
|
let new_entry = parent
|
|
.dir_entries(parent_path)?
|
|
.entry(filename.to_str().unwrap().into());
|
|
callback(new_entry)
|
|
}
|
|
|
|
fn emit_event<I, T>(&mut self, paths: I)
|
|
where
|
|
I: IntoIterator<Item = (T, Option<PathEventKind>)>,
|
|
T: Into<PathBuf>,
|
|
{
|
|
self.buffered_events
|
|
.extend(paths.into_iter().map(|(path, kind)| PathEvent {
|
|
path: path.into(),
|
|
kind,
|
|
}));
|
|
|
|
if !self.events_paused {
|
|
self.flush_events(self.buffered_events.len());
|
|
}
|
|
}
|
|
|
|
fn flush_events(&mut self, mut count: usize) {
|
|
count = count.min(self.buffered_events.len());
|
|
let events = self.buffered_events.drain(0..count).collect::<Vec<_>>();
|
|
self.event_txs.retain(|tx| {
|
|
let _ = tx.try_send(events.clone());
|
|
!tx.is_closed()
|
|
});
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
pub static FS_DOT_GIT: std::sync::LazyLock<&'static OsStr> =
|
|
std::sync::LazyLock::new(|| OsStr::new(".git"));
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
impl FakeFs {
|
|
/// We need to use something large enough for Windows and Unix to consider this a new file.
|
|
/// https://doc.rust-lang.org/nightly/std/time/struct.SystemTime.html#platform-specific-behavior
|
|
const SYSTEMTIME_INTERVAL: Duration = Duration::from_nanos(100);
|
|
|
|
pub fn new(executor: gpui::BackgroundExecutor) -> Arc<Self> {
|
|
let (tx, rx) = smol::channel::bounded::<PathBuf>(10);
|
|
|
|
let this = Arc::new_cyclic(|this| Self {
|
|
this: this.clone(),
|
|
executor: executor.clone(),
|
|
state: Mutex::new(FakeFsState {
|
|
root: Arc::new(Mutex::new(FakeFsEntry::Dir {
|
|
inode: 0,
|
|
mtime: MTime(UNIX_EPOCH),
|
|
len: 0,
|
|
entries: Default::default(),
|
|
git_repo_state: None,
|
|
})),
|
|
git_event_tx: tx,
|
|
next_mtime: UNIX_EPOCH + Self::SYSTEMTIME_INTERVAL,
|
|
next_inode: 1,
|
|
event_txs: Default::default(),
|
|
buffered_events: Vec::new(),
|
|
events_paused: false,
|
|
read_dir_call_count: 0,
|
|
metadata_call_count: 0,
|
|
moves: Default::default(),
|
|
}),
|
|
});
|
|
|
|
executor.spawn({
|
|
let this = this.clone();
|
|
async move {
|
|
while let Ok(git_event) = rx.recv().await {
|
|
if let Some(mut state) = this.state.try_lock() {
|
|
state.emit_event([(git_event, None)]);
|
|
} else {
|
|
panic!("Failed to lock file system state, this execution would have caused a test hang");
|
|
}
|
|
}
|
|
}
|
|
}).detach();
|
|
|
|
this
|
|
}
|
|
|
|
pub fn set_next_mtime(&self, next_mtime: SystemTime) {
|
|
let mut state = self.state.lock();
|
|
state.next_mtime = next_mtime;
|
|
}
|
|
|
|
pub fn get_and_increment_mtime(&self) -> MTime {
|
|
let mut state = self.state.lock();
|
|
state.get_and_increment_mtime()
|
|
}
|
|
|
|
pub async fn touch_path(&self, path: impl AsRef<Path>) {
|
|
let mut state = self.state.lock();
|
|
let path = path.as_ref();
|
|
let new_mtime = state.get_and_increment_mtime();
|
|
let new_inode = state.get_and_increment_inode();
|
|
state
|
|
.write_path(path, move |entry| {
|
|
match entry {
|
|
btree_map::Entry::Vacant(e) => {
|
|
e.insert(Arc::new(Mutex::new(FakeFsEntry::File {
|
|
inode: new_inode,
|
|
mtime: new_mtime,
|
|
content: Vec::new(),
|
|
len: 0,
|
|
})));
|
|
}
|
|
btree_map::Entry::Occupied(mut e) => match &mut *e.get_mut().lock() {
|
|
FakeFsEntry::File { mtime, .. } => *mtime = new_mtime,
|
|
FakeFsEntry::Dir { mtime, .. } => *mtime = new_mtime,
|
|
FakeFsEntry::Symlink { .. } => {}
|
|
},
|
|
}
|
|
Ok(())
|
|
})
|
|
.unwrap();
|
|
state.emit_event([(path.to_path_buf(), None)]);
|
|
}
|
|
|
|
pub async fn insert_file(&self, path: impl AsRef<Path>, content: Vec<u8>) {
|
|
self.write_file_internal(path, content).unwrap()
|
|
}
|
|
|
|
pub async fn insert_symlink(&self, path: impl AsRef<Path>, target: PathBuf) {
|
|
let mut state = self.state.lock();
|
|
let path = path.as_ref();
|
|
let file = Arc::new(Mutex::new(FakeFsEntry::Symlink { target }));
|
|
state
|
|
.write_path(path.as_ref(), move |e| match e {
|
|
btree_map::Entry::Vacant(e) => {
|
|
e.insert(file);
|
|
Ok(())
|
|
}
|
|
btree_map::Entry::Occupied(mut e) => {
|
|
*e.get_mut() = file;
|
|
Ok(())
|
|
}
|
|
})
|
|
.unwrap();
|
|
state.emit_event([(path, None)]);
|
|
}
|
|
|
|
fn write_file_internal(&self, path: impl AsRef<Path>, content: Vec<u8>) -> Result<()> {
|
|
let mut state = self.state.lock();
|
|
let file = Arc::new(Mutex::new(FakeFsEntry::File {
|
|
inode: state.get_and_increment_inode(),
|
|
mtime: state.get_and_increment_mtime(),
|
|
len: content.len() as u64,
|
|
content,
|
|
}));
|
|
let mut kind = None;
|
|
state.write_path(path.as_ref(), {
|
|
let kind = &mut kind;
|
|
move |entry| {
|
|
match entry {
|
|
btree_map::Entry::Vacant(e) => {
|
|
*kind = Some(PathEventKind::Created);
|
|
e.insert(file);
|
|
}
|
|
btree_map::Entry::Occupied(mut e) => {
|
|
*kind = Some(PathEventKind::Changed);
|
|
*e.get_mut() = file;
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
})?;
|
|
state.emit_event([(path.as_ref(), kind)]);
|
|
Ok(())
|
|
}
|
|
|
|
pub fn read_file_sync(&self, path: impl AsRef<Path>) -> Result<Vec<u8>> {
|
|
let path = path.as_ref();
|
|
let path = normalize_path(path);
|
|
let state = self.state.lock();
|
|
let entry = state.read_path(&path)?;
|
|
let entry = entry.lock();
|
|
entry.file_content(&path).cloned()
|
|
}
|
|
|
|
async fn load_internal(&self, path: impl AsRef<Path>) -> Result<Vec<u8>> {
|
|
let path = path.as_ref();
|
|
let path = normalize_path(path);
|
|
self.simulate_random_delay().await;
|
|
let state = self.state.lock();
|
|
let entry = state.read_path(&path)?;
|
|
let entry = entry.lock();
|
|
entry.file_content(&path).cloned()
|
|
}
|
|
|
|
pub fn pause_events(&self) {
|
|
self.state.lock().events_paused = true;
|
|
}
|
|
|
|
pub fn buffered_event_count(&self) -> usize {
|
|
self.state.lock().buffered_events.len()
|
|
}
|
|
|
|
pub fn flush_events(&self, count: usize) {
|
|
self.state.lock().flush_events(count);
|
|
}
|
|
|
|
#[must_use]
|
|
pub fn insert_tree<'a>(
|
|
&'a self,
|
|
path: impl 'a + AsRef<Path> + Send,
|
|
tree: serde_json::Value,
|
|
) -> futures::future::BoxFuture<'a, ()> {
|
|
use futures::FutureExt as _;
|
|
use serde_json::Value::*;
|
|
|
|
async move {
|
|
let path = path.as_ref();
|
|
|
|
match tree {
|
|
Object(map) => {
|
|
self.create_dir(path).await.unwrap();
|
|
for (name, contents) in map {
|
|
let mut path = PathBuf::from(path);
|
|
path.push(name);
|
|
self.insert_tree(&path, contents).await;
|
|
}
|
|
}
|
|
Null => {
|
|
self.create_dir(path).await.unwrap();
|
|
}
|
|
String(contents) => {
|
|
self.insert_file(&path, contents.into_bytes()).await;
|
|
}
|
|
_ => {
|
|
panic!("JSON object must contain only objects, strings, or null");
|
|
}
|
|
}
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
pub fn insert_tree_from_real_fs<'a>(
|
|
&'a self,
|
|
path: impl 'a + AsRef<Path> + Send,
|
|
src_path: impl 'a + AsRef<Path> + Send,
|
|
) -> futures::future::BoxFuture<'a, ()> {
|
|
use futures::FutureExt as _;
|
|
|
|
async move {
|
|
let path = path.as_ref();
|
|
if std::fs::metadata(&src_path).unwrap().is_file() {
|
|
let contents = std::fs::read(src_path).unwrap();
|
|
self.insert_file(path, contents).await;
|
|
} else {
|
|
self.create_dir(path).await.unwrap();
|
|
for entry in std::fs::read_dir(&src_path).unwrap() {
|
|
let entry = entry.unwrap();
|
|
self.insert_tree_from_real_fs(path.join(entry.file_name()), entry.path())
|
|
.await;
|
|
}
|
|
}
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
pub fn with_git_state<F>(&self, dot_git: &Path, emit_git_event: bool, f: F)
|
|
where
|
|
F: FnOnce(&mut FakeGitRepositoryState),
|
|
{
|
|
let mut state = self.state.lock();
|
|
let entry = state.read_path(dot_git).unwrap();
|
|
let mut entry = entry.lock();
|
|
|
|
if let FakeFsEntry::Dir { git_repo_state, .. } = &mut *entry {
|
|
let repo_state = git_repo_state.get_or_insert_with(|| {
|
|
Arc::new(Mutex::new(FakeGitRepositoryState::new(
|
|
dot_git.to_path_buf(),
|
|
state.git_event_tx.clone(),
|
|
)))
|
|
});
|
|
let mut repo_state = repo_state.lock();
|
|
|
|
f(&mut repo_state);
|
|
|
|
if emit_git_event {
|
|
state.emit_event([(dot_git, None)]);
|
|
}
|
|
} else {
|
|
panic!("not a directory");
|
|
}
|
|
}
|
|
|
|
pub fn set_branch_name(&self, dot_git: &Path, branch: Option<impl Into<String>>) {
|
|
self.with_git_state(dot_git, true, |state| {
|
|
let branch = branch.map(Into::into);
|
|
state.branches.extend(branch.clone());
|
|
state.current_branch_name = branch.map(Into::into)
|
|
})
|
|
}
|
|
|
|
pub fn insert_branches(&self, dot_git: &Path, branches: &[&str]) {
|
|
self.with_git_state(dot_git, true, |state| {
|
|
if let Some(first) = branches.first() {
|
|
if state.current_branch_name.is_none() {
|
|
state.current_branch_name = Some(first.to_string())
|
|
}
|
|
}
|
|
state
|
|
.branches
|
|
.extend(branches.iter().map(ToString::to_string));
|
|
})
|
|
}
|
|
|
|
pub fn set_index_for_repo(&self, dot_git: &Path, head_state: &[(&Path, String)]) {
|
|
self.with_git_state(dot_git, true, |state| {
|
|
state.index_contents.clear();
|
|
state.index_contents.extend(
|
|
head_state
|
|
.iter()
|
|
.map(|(path, content)| (path.to_path_buf(), content.clone())),
|
|
);
|
|
});
|
|
}
|
|
|
|
pub fn set_blame_for_repo(&self, dot_git: &Path, blames: Vec<(&Path, git::blame::Blame)>) {
|
|
self.with_git_state(dot_git, true, |state| {
|
|
state.blames.clear();
|
|
state.blames.extend(
|
|
blames
|
|
.into_iter()
|
|
.map(|(path, blame)| (path.to_path_buf(), blame)),
|
|
);
|
|
});
|
|
}
|
|
|
|
pub fn set_status_for_repo_via_working_copy_change(
|
|
&self,
|
|
dot_git: &Path,
|
|
statuses: &[(&Path, GitFileStatus)],
|
|
) {
|
|
self.with_git_state(dot_git, false, |state| {
|
|
state.worktree_statuses.clear();
|
|
state.worktree_statuses.extend(
|
|
statuses
|
|
.iter()
|
|
.map(|(path, content)| ((**path).into(), *content)),
|
|
);
|
|
});
|
|
self.state.lock().emit_event(
|
|
statuses
|
|
.iter()
|
|
.map(|(path, _)| (dot_git.parent().unwrap().join(path), None)),
|
|
);
|
|
}
|
|
|
|
pub fn set_status_for_repo_via_git_operation(
|
|
&self,
|
|
dot_git: &Path,
|
|
statuses: &[(&Path, GitFileStatus)],
|
|
) {
|
|
self.with_git_state(dot_git, true, |state| {
|
|
state.worktree_statuses.clear();
|
|
state.worktree_statuses.extend(
|
|
statuses
|
|
.iter()
|
|
.map(|(path, content)| ((**path).into(), *content)),
|
|
);
|
|
});
|
|
}
|
|
|
|
pub fn paths(&self, include_dot_git: bool) -> Vec<PathBuf> {
|
|
let mut result = Vec::new();
|
|
let mut queue = collections::VecDeque::new();
|
|
queue.push_back((PathBuf::from("/"), self.state.lock().root.clone()));
|
|
while let Some((path, entry)) = queue.pop_front() {
|
|
if let FakeFsEntry::Dir { entries, .. } = &*entry.lock() {
|
|
for (name, entry) in entries {
|
|
queue.push_back((path.join(name), entry.clone()));
|
|
}
|
|
}
|
|
if include_dot_git
|
|
|| !path
|
|
.components()
|
|
.any(|component| component.as_os_str() == *FS_DOT_GIT)
|
|
{
|
|
result.push(path);
|
|
}
|
|
}
|
|
result
|
|
}
|
|
|
|
pub fn directories(&self, include_dot_git: bool) -> Vec<PathBuf> {
|
|
let mut result = Vec::new();
|
|
let mut queue = collections::VecDeque::new();
|
|
queue.push_back((PathBuf::from("/"), self.state.lock().root.clone()));
|
|
while let Some((path, entry)) = queue.pop_front() {
|
|
if let FakeFsEntry::Dir { entries, .. } = &*entry.lock() {
|
|
for (name, entry) in entries {
|
|
queue.push_back((path.join(name), entry.clone()));
|
|
}
|
|
if include_dot_git
|
|
|| !path
|
|
.components()
|
|
.any(|component| component.as_os_str() == *FS_DOT_GIT)
|
|
{
|
|
result.push(path);
|
|
}
|
|
}
|
|
}
|
|
result
|
|
}
|
|
|
|
pub fn files(&self) -> Vec<PathBuf> {
|
|
let mut result = Vec::new();
|
|
let mut queue = collections::VecDeque::new();
|
|
queue.push_back((PathBuf::from("/"), self.state.lock().root.clone()));
|
|
while let Some((path, entry)) = queue.pop_front() {
|
|
let e = entry.lock();
|
|
match &*e {
|
|
FakeFsEntry::File { .. } => result.push(path),
|
|
FakeFsEntry::Dir { entries, .. } => {
|
|
for (name, entry) in entries {
|
|
queue.push_back((path.join(name), entry.clone()));
|
|
}
|
|
}
|
|
FakeFsEntry::Symlink { .. } => {}
|
|
}
|
|
}
|
|
result
|
|
}
|
|
|
|
/// How many `read_dir` calls have been issued.
|
|
pub fn read_dir_call_count(&self) -> usize {
|
|
self.state.lock().read_dir_call_count
|
|
}
|
|
|
|
/// How many `metadata` calls have been issued.
|
|
pub fn metadata_call_count(&self) -> usize {
|
|
self.state.lock().metadata_call_count
|
|
}
|
|
|
|
fn simulate_random_delay(&self) -> impl futures::Future<Output = ()> {
|
|
self.executor.simulate_random_delay()
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
impl FakeFsEntry {
|
|
fn is_file(&self) -> bool {
|
|
matches!(self, Self::File { .. })
|
|
}
|
|
|
|
fn is_symlink(&self) -> bool {
|
|
matches!(self, Self::Symlink { .. })
|
|
}
|
|
|
|
fn file_content(&self, path: &Path) -> Result<&Vec<u8>> {
|
|
if let Self::File { content, .. } = self {
|
|
Ok(content)
|
|
} else {
|
|
Err(anyhow!("not a file: {}", path.display()))
|
|
}
|
|
}
|
|
|
|
fn dir_entries(
|
|
&mut self,
|
|
path: &Path,
|
|
) -> Result<&mut BTreeMap<String, Arc<Mutex<FakeFsEntry>>>> {
|
|
if let Self::Dir { entries, .. } = self {
|
|
Ok(entries)
|
|
} else {
|
|
Err(anyhow!("not a directory: {}", path.display()))
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
struct FakeWatcher {}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
impl Watcher for FakeWatcher {
|
|
fn add(&self, _: &Path) -> Result<()> {
|
|
Ok(())
|
|
}
|
|
|
|
fn remove(&self, _: &Path) -> Result<()> {
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
#[derive(Debug)]
|
|
struct FakeHandle {
|
|
inode: u64,
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
impl FileHandle for FakeHandle {
|
|
fn current_path(&self, fs: &Arc<dyn Fs>) -> Result<PathBuf> {
|
|
let fs = fs.as_fake();
|
|
let state = fs.state.lock();
|
|
let Some(target) = state.moves.get(&self.inode) else {
|
|
anyhow::bail!("fake fd not moved")
|
|
};
|
|
|
|
if state.try_read_path(&target, false).is_some() {
|
|
return Ok(target.clone());
|
|
}
|
|
anyhow::bail!("fake fd target not found")
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
#[async_trait::async_trait]
|
|
impl Fs for FakeFs {
|
|
async fn create_dir(&self, path: &Path) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
|
|
let mut created_dirs = Vec::new();
|
|
let mut cur_path = PathBuf::new();
|
|
for component in path.components() {
|
|
let should_skip = matches!(component, Component::Prefix(..) | Component::RootDir);
|
|
cur_path.push(component);
|
|
if should_skip {
|
|
continue;
|
|
}
|
|
let mut state = self.state.lock();
|
|
|
|
let inode = state.get_and_increment_inode();
|
|
let mtime = state.get_and_increment_mtime();
|
|
state.write_path(&cur_path, |entry| {
|
|
entry.or_insert_with(|| {
|
|
created_dirs.push((cur_path.clone(), Some(PathEventKind::Created)));
|
|
Arc::new(Mutex::new(FakeFsEntry::Dir {
|
|
inode,
|
|
mtime,
|
|
len: 0,
|
|
entries: Default::default(),
|
|
git_repo_state: None,
|
|
}))
|
|
});
|
|
Ok(())
|
|
})?
|
|
}
|
|
|
|
self.state.lock().emit_event(created_dirs);
|
|
Ok(())
|
|
}
|
|
|
|
async fn create_file(&self, path: &Path, options: CreateOptions) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
let mut state = self.state.lock();
|
|
let inode = state.get_and_increment_inode();
|
|
let mtime = state.get_and_increment_mtime();
|
|
let file = Arc::new(Mutex::new(FakeFsEntry::File {
|
|
inode,
|
|
mtime,
|
|
len: 0,
|
|
content: Vec::new(),
|
|
}));
|
|
let mut kind = Some(PathEventKind::Created);
|
|
state.write_path(path, |entry| {
|
|
match entry {
|
|
btree_map::Entry::Occupied(mut e) => {
|
|
if options.overwrite {
|
|
kind = Some(PathEventKind::Changed);
|
|
*e.get_mut() = file;
|
|
} else if !options.ignore_if_exists {
|
|
return Err(anyhow!("path already exists: {}", path.display()));
|
|
}
|
|
}
|
|
btree_map::Entry::Vacant(e) => {
|
|
e.insert(file);
|
|
}
|
|
}
|
|
Ok(())
|
|
})?;
|
|
state.emit_event([(path, kind)]);
|
|
Ok(())
|
|
}
|
|
|
|
async fn create_symlink(&self, path: &Path, target: PathBuf) -> Result<()> {
|
|
let mut state = self.state.lock();
|
|
let file = Arc::new(Mutex::new(FakeFsEntry::Symlink { target }));
|
|
state
|
|
.write_path(path.as_ref(), move |e| match e {
|
|
btree_map::Entry::Vacant(e) => {
|
|
e.insert(file);
|
|
Ok(())
|
|
}
|
|
btree_map::Entry::Occupied(mut e) => {
|
|
*e.get_mut() = file;
|
|
Ok(())
|
|
}
|
|
})
|
|
.unwrap();
|
|
state.emit_event([(path, None)]);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
async fn create_file_with(
|
|
&self,
|
|
path: &Path,
|
|
mut content: Pin<&mut (dyn AsyncRead + Send)>,
|
|
) -> Result<()> {
|
|
let mut bytes = Vec::new();
|
|
content.read_to_end(&mut bytes).await?;
|
|
self.write_file_internal(path, bytes)?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn extract_tar_file(
|
|
&self,
|
|
path: &Path,
|
|
content: Archive<Pin<&mut (dyn AsyncRead + Send)>>,
|
|
) -> Result<()> {
|
|
let mut entries = content.entries()?;
|
|
while let Some(entry) = entries.next().await {
|
|
let mut entry = entry?;
|
|
if entry.header().entry_type().is_file() {
|
|
let path = path.join(entry.path()?.as_ref());
|
|
let mut bytes = Vec::new();
|
|
entry.read_to_end(&mut bytes).await?;
|
|
self.create_dir(path.parent().unwrap()).await?;
|
|
self.write_file_internal(&path, bytes)?;
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
async fn rename(&self, old_path: &Path, new_path: &Path, options: RenameOptions) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
|
|
let old_path = normalize_path(old_path);
|
|
let new_path = normalize_path(new_path);
|
|
|
|
let mut state = self.state.lock();
|
|
let moved_entry = state.write_path(&old_path, |e| {
|
|
if let btree_map::Entry::Occupied(e) = e {
|
|
Ok(e.get().clone())
|
|
} else {
|
|
Err(anyhow!("path does not exist: {}", &old_path.display()))
|
|
}
|
|
})?;
|
|
|
|
let inode = match *moved_entry.lock() {
|
|
FakeFsEntry::File { inode, .. } => inode,
|
|
FakeFsEntry::Dir { inode, .. } => inode,
|
|
_ => 0,
|
|
};
|
|
|
|
state.moves.insert(inode, new_path.clone());
|
|
|
|
state.write_path(&new_path, |e| {
|
|
match e {
|
|
btree_map::Entry::Occupied(mut e) => {
|
|
if options.overwrite {
|
|
*e.get_mut() = moved_entry;
|
|
} else if !options.ignore_if_exists {
|
|
return Err(anyhow!("path already exists: {}", new_path.display()));
|
|
}
|
|
}
|
|
btree_map::Entry::Vacant(e) => {
|
|
e.insert(moved_entry);
|
|
}
|
|
}
|
|
Ok(())
|
|
})?;
|
|
|
|
state
|
|
.write_path(&old_path, |e| {
|
|
if let btree_map::Entry::Occupied(e) = e {
|
|
Ok(e.remove())
|
|
} else {
|
|
unreachable!()
|
|
}
|
|
})
|
|
.unwrap();
|
|
|
|
state.emit_event([
|
|
(old_path, Some(PathEventKind::Removed)),
|
|
(new_path, Some(PathEventKind::Created)),
|
|
]);
|
|
Ok(())
|
|
}
|
|
|
|
async fn copy_file(&self, source: &Path, target: &Path, options: CopyOptions) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
|
|
let source = normalize_path(source);
|
|
let target = normalize_path(target);
|
|
let mut state = self.state.lock();
|
|
let mtime = state.get_and_increment_mtime();
|
|
let inode = state.get_and_increment_inode();
|
|
let source_entry = state.read_path(&source)?;
|
|
let content = source_entry.lock().file_content(&source)?.clone();
|
|
let mut kind = Some(PathEventKind::Created);
|
|
state.write_path(&target, |e| match e {
|
|
btree_map::Entry::Occupied(e) => {
|
|
if options.overwrite {
|
|
kind = Some(PathEventKind::Changed);
|
|
Ok(Some(e.get().clone()))
|
|
} else if !options.ignore_if_exists {
|
|
return Err(anyhow!("{target:?} already exists"));
|
|
} else {
|
|
Ok(None)
|
|
}
|
|
}
|
|
btree_map::Entry::Vacant(e) => Ok(Some(
|
|
e.insert(Arc::new(Mutex::new(FakeFsEntry::File {
|
|
inode,
|
|
mtime,
|
|
len: content.len() as u64,
|
|
content,
|
|
})))
|
|
.clone(),
|
|
)),
|
|
})?;
|
|
state.emit_event([(target, kind)]);
|
|
Ok(())
|
|
}
|
|
|
|
async fn remove_dir(&self, path: &Path, options: RemoveOptions) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
|
|
let path = normalize_path(path);
|
|
let parent_path = path
|
|
.parent()
|
|
.ok_or_else(|| anyhow!("cannot remove the root"))?;
|
|
let base_name = path.file_name().unwrap();
|
|
|
|
let mut state = self.state.lock();
|
|
let parent_entry = state.read_path(parent_path)?;
|
|
let mut parent_entry = parent_entry.lock();
|
|
let entry = parent_entry
|
|
.dir_entries(parent_path)?
|
|
.entry(base_name.to_str().unwrap().into());
|
|
|
|
match entry {
|
|
btree_map::Entry::Vacant(_) => {
|
|
if !options.ignore_if_not_exists {
|
|
return Err(anyhow!("{path:?} does not exist"));
|
|
}
|
|
}
|
|
btree_map::Entry::Occupied(e) => {
|
|
{
|
|
let mut entry = e.get().lock();
|
|
let children = entry.dir_entries(&path)?;
|
|
if !options.recursive && !children.is_empty() {
|
|
return Err(anyhow!("{path:?} is not empty"));
|
|
}
|
|
}
|
|
e.remove();
|
|
}
|
|
}
|
|
state.emit_event([(path, Some(PathEventKind::Removed))]);
|
|
Ok(())
|
|
}
|
|
|
|
async fn remove_file(&self, path: &Path, options: RemoveOptions) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
|
|
let path = normalize_path(path);
|
|
let parent_path = path
|
|
.parent()
|
|
.ok_or_else(|| anyhow!("cannot remove the root"))?;
|
|
let base_name = path.file_name().unwrap();
|
|
let mut state = self.state.lock();
|
|
let parent_entry = state.read_path(parent_path)?;
|
|
let mut parent_entry = parent_entry.lock();
|
|
let entry = parent_entry
|
|
.dir_entries(parent_path)?
|
|
.entry(base_name.to_str().unwrap().into());
|
|
match entry {
|
|
btree_map::Entry::Vacant(_) => {
|
|
if !options.ignore_if_not_exists {
|
|
return Err(anyhow!("{path:?} does not exist"));
|
|
}
|
|
}
|
|
btree_map::Entry::Occupied(e) => {
|
|
e.get().lock().file_content(&path)?;
|
|
e.remove();
|
|
}
|
|
}
|
|
state.emit_event([(path, Some(PathEventKind::Removed))]);
|
|
Ok(())
|
|
}
|
|
|
|
async fn open_sync(&self, path: &Path) -> Result<Box<dyn io::Read>> {
|
|
let bytes = self.load_internal(path).await?;
|
|
Ok(Box::new(io::Cursor::new(bytes)))
|
|
}
|
|
|
|
async fn open_handle(&self, path: &Path) -> Result<Arc<dyn FileHandle>> {
|
|
self.simulate_random_delay().await;
|
|
let state = self.state.lock();
|
|
let entry = state.read_path(&path)?;
|
|
let entry = entry.lock();
|
|
let inode = match *entry {
|
|
FakeFsEntry::File { inode, .. } => inode,
|
|
FakeFsEntry::Dir { inode, .. } => inode,
|
|
_ => unreachable!(),
|
|
};
|
|
Ok(Arc::new(FakeHandle { inode }))
|
|
}
|
|
|
|
async fn load(&self, path: &Path) -> Result<String> {
|
|
let content = self.load_internal(path).await?;
|
|
Ok(String::from_utf8(content.clone())?)
|
|
}
|
|
|
|
async fn load_bytes(&self, path: &Path) -> Result<Vec<u8>> {
|
|
self.load_internal(path).await
|
|
}
|
|
|
|
async fn atomic_write(&self, path: PathBuf, data: String) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
let path = normalize_path(path.as_path());
|
|
self.write_file_internal(path, data.into_bytes())?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn save(&self, path: &Path, text: &Rope, line_ending: LineEnding) -> Result<()> {
|
|
self.simulate_random_delay().await;
|
|
let path = normalize_path(path);
|
|
let content = chunks(text, line_ending).collect::<String>();
|
|
if let Some(path) = path.parent() {
|
|
self.create_dir(path).await?;
|
|
}
|
|
self.write_file_internal(path, content.into_bytes())?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn canonicalize(&self, path: &Path) -> Result<PathBuf> {
|
|
let path = normalize_path(path);
|
|
self.simulate_random_delay().await;
|
|
let state = self.state.lock();
|
|
if let Some((_, canonical_path)) = state.try_read_path(&path, true) {
|
|
Ok(canonical_path)
|
|
} else {
|
|
Err(anyhow!("path does not exist: {}", path.display()))
|
|
}
|
|
}
|
|
|
|
async fn is_file(&self, path: &Path) -> bool {
|
|
let path = normalize_path(path);
|
|
self.simulate_random_delay().await;
|
|
let state = self.state.lock();
|
|
if let Some((entry, _)) = state.try_read_path(&path, true) {
|
|
entry.lock().is_file()
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
async fn is_dir(&self, path: &Path) -> bool {
|
|
self.metadata(path)
|
|
.await
|
|
.is_ok_and(|metadata| metadata.is_some_and(|metadata| metadata.is_dir))
|
|
}
|
|
|
|
async fn metadata(&self, path: &Path) -> Result<Option<Metadata>> {
|
|
self.simulate_random_delay().await;
|
|
let path = normalize_path(path);
|
|
let mut state = self.state.lock();
|
|
state.metadata_call_count += 1;
|
|
if let Some((mut entry, _)) = state.try_read_path(&path, false) {
|
|
let is_symlink = entry.lock().is_symlink();
|
|
if is_symlink {
|
|
if let Some(e) = state.try_read_path(&path, true).map(|e| e.0) {
|
|
entry = e;
|
|
} else {
|
|
return Ok(None);
|
|
}
|
|
}
|
|
|
|
let entry = entry.lock();
|
|
Ok(Some(match &*entry {
|
|
FakeFsEntry::File {
|
|
inode, mtime, len, ..
|
|
} => Metadata {
|
|
inode: *inode,
|
|
mtime: *mtime,
|
|
len: *len,
|
|
is_dir: false,
|
|
is_symlink,
|
|
is_fifo: false,
|
|
},
|
|
FakeFsEntry::Dir {
|
|
inode, mtime, len, ..
|
|
} => Metadata {
|
|
inode: *inode,
|
|
mtime: *mtime,
|
|
len: *len,
|
|
is_dir: true,
|
|
is_symlink,
|
|
is_fifo: false,
|
|
},
|
|
FakeFsEntry::Symlink { .. } => unreachable!(),
|
|
}))
|
|
} else {
|
|
Ok(None)
|
|
}
|
|
}
|
|
|
|
async fn read_link(&self, path: &Path) -> Result<PathBuf> {
|
|
self.simulate_random_delay().await;
|
|
let path = normalize_path(path);
|
|
let state = self.state.lock();
|
|
if let Some((entry, _)) = state.try_read_path(&path, false) {
|
|
let entry = entry.lock();
|
|
if let FakeFsEntry::Symlink { target } = &*entry {
|
|
Ok(target.clone())
|
|
} else {
|
|
Err(anyhow!("not a symlink: {}", path.display()))
|
|
}
|
|
} else {
|
|
Err(anyhow!("path does not exist: {}", path.display()))
|
|
}
|
|
}
|
|
|
|
async fn read_dir(
|
|
&self,
|
|
path: &Path,
|
|
) -> Result<Pin<Box<dyn Send + Stream<Item = Result<PathBuf>>>>> {
|
|
self.simulate_random_delay().await;
|
|
let path = normalize_path(path);
|
|
let mut state = self.state.lock();
|
|
state.read_dir_call_count += 1;
|
|
let entry = state.read_path(&path)?;
|
|
let mut entry = entry.lock();
|
|
let children = entry.dir_entries(&path)?;
|
|
let paths = children
|
|
.keys()
|
|
.map(|file_name| Ok(path.join(file_name)))
|
|
.collect::<Vec<_>>();
|
|
Ok(Box::pin(futures::stream::iter(paths)))
|
|
}
|
|
|
|
async fn watch(
|
|
&self,
|
|
path: &Path,
|
|
_: Duration,
|
|
) -> (
|
|
Pin<Box<dyn Send + Stream<Item = Vec<PathEvent>>>>,
|
|
Arc<dyn Watcher>,
|
|
) {
|
|
self.simulate_random_delay().await;
|
|
let (tx, rx) = smol::channel::unbounded();
|
|
self.state.lock().event_txs.push(tx);
|
|
let path = path.to_path_buf();
|
|
let executor = self.executor.clone();
|
|
(
|
|
Box::pin(futures::StreamExt::filter(rx, move |events| {
|
|
let result = events
|
|
.iter()
|
|
.any(|evt_path| evt_path.path.starts_with(&path));
|
|
let executor = executor.clone();
|
|
async move {
|
|
executor.simulate_random_delay().await;
|
|
result
|
|
}
|
|
})),
|
|
Arc::new(FakeWatcher {}),
|
|
)
|
|
}
|
|
|
|
fn open_repo(&self, abs_dot_git: &Path) -> Option<Arc<dyn GitRepository>> {
|
|
let state = self.state.lock();
|
|
let entry = state.read_path(abs_dot_git).unwrap();
|
|
let mut entry = entry.lock();
|
|
if let FakeFsEntry::Dir { git_repo_state, .. } = &mut *entry {
|
|
let state = git_repo_state
|
|
.get_or_insert_with(|| {
|
|
Arc::new(Mutex::new(FakeGitRepositoryState::new(
|
|
abs_dot_git.to_path_buf(),
|
|
state.git_event_tx.clone(),
|
|
)))
|
|
})
|
|
.clone();
|
|
Some(git::repository::FakeGitRepository::open(state))
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn is_fake(&self) -> bool {
|
|
true
|
|
}
|
|
|
|
async fn is_case_sensitive(&self) -> Result<bool> {
|
|
Ok(true)
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
fn as_fake(&self) -> Arc<FakeFs> {
|
|
self.this.upgrade().unwrap()
|
|
}
|
|
}
|
|
|
|
fn chunks(rope: &Rope, line_ending: LineEnding) -> impl Iterator<Item = &str> {
|
|
rope.chunks().flat_map(move |chunk| {
|
|
let mut newline = false;
|
|
chunk.split('\n').flat_map(move |line| {
|
|
let ending = if newline {
|
|
Some(line_ending.as_str())
|
|
} else {
|
|
None
|
|
};
|
|
newline = true;
|
|
ending.into_iter().chain([line])
|
|
})
|
|
})
|
|
}
|
|
|
|
pub fn normalize_path(path: &Path) -> PathBuf {
|
|
let mut components = path.components().peekable();
|
|
let mut ret = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() {
|
|
components.next();
|
|
PathBuf::from(c.as_os_str())
|
|
} else {
|
|
PathBuf::new()
|
|
};
|
|
|
|
for component in components {
|
|
match component {
|
|
Component::Prefix(..) => unreachable!(),
|
|
Component::RootDir => {
|
|
ret.push(component.as_os_str());
|
|
}
|
|
Component::CurDir => {}
|
|
Component::ParentDir => {
|
|
ret.pop();
|
|
}
|
|
Component::Normal(c) => {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
}
|
|
ret
|
|
}
|
|
|
|
pub fn copy_recursive<'a>(
|
|
fs: &'a dyn Fs,
|
|
source: &'a Path,
|
|
target: &'a Path,
|
|
options: CopyOptions,
|
|
) -> BoxFuture<'a, Result<()>> {
|
|
use futures::future::FutureExt;
|
|
|
|
async move {
|
|
let metadata = fs
|
|
.metadata(source)
|
|
.await?
|
|
.ok_or_else(|| anyhow!("path does not exist: {}", source.display()))?;
|
|
if metadata.is_dir {
|
|
if !options.overwrite && fs.metadata(target).await.is_ok_and(|m| m.is_some()) {
|
|
if options.ignore_if_exists {
|
|
return Ok(());
|
|
} else {
|
|
return Err(anyhow!("{target:?} already exists"));
|
|
}
|
|
}
|
|
|
|
let _ = fs
|
|
.remove_dir(
|
|
target,
|
|
RemoveOptions {
|
|
recursive: true,
|
|
ignore_if_not_exists: true,
|
|
},
|
|
)
|
|
.await;
|
|
fs.create_dir(target).await?;
|
|
let mut children = fs.read_dir(source).await?;
|
|
while let Some(child_path) = children.next().await {
|
|
if let Ok(child_path) = child_path {
|
|
if let Some(file_name) = child_path.file_name() {
|
|
let child_target_path = target.join(file_name);
|
|
copy_recursive(fs, &child_path, &child_target_path, options).await?;
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
} else {
|
|
fs.copy_file(source, target, options).await
|
|
}
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
// todo(windows)
|
|
// can we get file id not open the file twice?
|
|
// https://github.com/rust-lang/rust/issues/63010
|
|
#[cfg(target_os = "windows")]
|
|
async fn file_id(path: impl AsRef<Path>) -> Result<u64> {
|
|
use std::os::windows::io::AsRawHandle;
|
|
|
|
use smol::fs::windows::OpenOptionsExt;
|
|
use windows::Win32::{
|
|
Foundation::HANDLE,
|
|
Storage::FileSystem::{
|
|
GetFileInformationByHandle, BY_HANDLE_FILE_INFORMATION, FILE_FLAG_BACKUP_SEMANTICS,
|
|
},
|
|
};
|
|
|
|
let file = smol::fs::OpenOptions::new()
|
|
.read(true)
|
|
.custom_flags(FILE_FLAG_BACKUP_SEMANTICS.0)
|
|
.open(path)
|
|
.await?;
|
|
|
|
let mut info: BY_HANDLE_FILE_INFORMATION = unsafe { std::mem::zeroed() };
|
|
// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfileinformationbyhandle
|
|
// This function supports Windows XP+
|
|
smol::unblock(move || {
|
|
unsafe { GetFileInformationByHandle(HANDLE(file.as_raw_handle() as _), &mut info)? };
|
|
|
|
Ok(((info.nFileIndexHigh as u64) << 32) | (info.nFileIndexLow as u64))
|
|
})
|
|
.await
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use gpui::BackgroundExecutor;
|
|
use serde_json::json;
|
|
|
|
#[gpui::test]
|
|
async fn test_fake_fs(executor: BackgroundExecutor) {
|
|
let fs = FakeFs::new(executor.clone());
|
|
fs.insert_tree(
|
|
"/root",
|
|
json!({
|
|
"dir1": {
|
|
"a": "A",
|
|
"b": "B"
|
|
},
|
|
"dir2": {
|
|
"c": "C",
|
|
"dir3": {
|
|
"d": "D"
|
|
}
|
|
}
|
|
}),
|
|
)
|
|
.await;
|
|
|
|
assert_eq!(
|
|
fs.files(),
|
|
vec![
|
|
PathBuf::from("/root/dir1/a"),
|
|
PathBuf::from("/root/dir1/b"),
|
|
PathBuf::from("/root/dir2/c"),
|
|
PathBuf::from("/root/dir2/dir3/d"),
|
|
]
|
|
);
|
|
|
|
fs.create_symlink("/root/dir2/link-to-dir3".as_ref(), "./dir3".into())
|
|
.await
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
fs.canonicalize("/root/dir2/link-to-dir3".as_ref())
|
|
.await
|
|
.unwrap(),
|
|
PathBuf::from("/root/dir2/dir3"),
|
|
);
|
|
assert_eq!(
|
|
fs.canonicalize("/root/dir2/link-to-dir3/d".as_ref())
|
|
.await
|
|
.unwrap(),
|
|
PathBuf::from("/root/dir2/dir3/d"),
|
|
);
|
|
assert_eq!(
|
|
fs.load("/root/dir2/link-to-dir3/d".as_ref()).await.unwrap(),
|
|
"D",
|
|
);
|
|
}
|
|
}
|