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// status.rs
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//
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// Copyright 2019 Raphaël Gomès <rgomes@octobus.net>
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//
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// This software may be used and distributed according to the terms of the
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// GNU General Public License version 2 or any later version.
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//! Rust implementation of dirstate.status (dirstate.py).
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//! It is currently missing a lot of functionality compared to the Python one
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//! and will only be triggered in narrow cases.
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use crate::dirstate_tree::on_disk::DirstateV2ParseError;
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use crate::utils::path_auditor::PathAuditor;
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use crate::{
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dirstate::SIZE_FROM_OTHER_PARENT,
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filepatterns::PatternFileWarning,
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matchers::{get_ignore_function, Matcher, VisitChildrenSet},
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utils::{
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files::{find_dirs, HgMetadata},
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hg_path::{
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hg_path_to_path_buf, os_string_to_hg_path_buf, HgPath, HgPathBuf,
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HgPathError,
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},
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},
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CopyMap, DirstateEntry, DirstateMap, EntryState, FastHashMap,
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PatternError,
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};
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use lazy_static::lazy_static;
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use micro_timer::timed;
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use rayon::prelude::*;
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use std::{
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borrow::Cow,
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collections::HashSet,
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fmt,
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fs::{read_dir, DirEntry},
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io::ErrorKind,
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ops::Deref,
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path::{Path, PathBuf},
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};
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/// Wrong type of file from a `BadMatch`
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/// Note: a lot of those don't exist on all platforms.
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#[derive(Debug, Copy, Clone)]
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pub enum BadType {
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CharacterDevice,
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BlockDevice,
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FIFO,
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Socket,
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Directory,
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Unknown,
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}
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impl fmt::Display for BadType {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.write_str(match self {
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BadType::CharacterDevice => "character device",
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BadType::BlockDevice => "block device",
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BadType::FIFO => "fifo",
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BadType::Socket => "socket",
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BadType::Directory => "directory",
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BadType::Unknown => "unknown",
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})
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}
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}
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/// Was explicitly matched but cannot be found/accessed
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#[derive(Debug, Copy, Clone)]
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pub enum BadMatch {
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OsError(i32),
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BadType(BadType),
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}
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/// Enum used to dispatch new status entries into the right collections.
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/// Is similar to `crate::EntryState`, but represents the transient state of
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/// entries during the lifetime of a command.
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#[derive(Debug, Copy, Clone)]
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pub enum Dispatch {
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Unsure,
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Modified,
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Added,
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Removed,
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Deleted,
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Clean,
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Unknown,
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Ignored,
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/// Empty dispatch, the file is not worth listing
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None,
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/// Was explicitly matched but cannot be found/accessed
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Bad(BadMatch),
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Directory {
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/// True if the directory used to be a file in the dmap so we can say
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/// that it's been removed.
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was_file: bool,
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},
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}
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type IoResult<T> = std::io::Result<T>;
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/// `Box<dyn Trait>` is syntactic sugar for `Box<dyn Trait + 'static>`, so add
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/// an explicit lifetime here to not fight `'static` bounds "out of nowhere".
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pub type IgnoreFnType<'a> =
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Box<dyn for<'r> Fn(&'r HgPath) -> bool + Sync + 'a>;
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/// We have a good mix of owned (from directory traversal) and borrowed (from
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/// the dirstate/explicit) paths, this comes up a lot.
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pub type HgPathCow<'a> = Cow<'a, HgPath>;
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/// A path with its computed ``Dispatch`` information
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type DispatchedPath<'a> = (HgPathCow<'a>, Dispatch);
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/// The conversion from `HgPath` to a real fs path failed.
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/// `22` is the error code for "Invalid argument"
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const INVALID_PATH_DISPATCH: Dispatch = Dispatch::Bad(BadMatch::OsError(22));
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/// Dates and times that are outside the 31-bit signed range are compared
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/// modulo 2^31. This should prevent hg from behaving badly with very large
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/// files or corrupt dates while still having a high probability of detecting
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/// changes. (issue2608)
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/// TODO I haven't found a way of having `b` be `Into<i32>`, since `From<u64>`
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/// is not defined for `i32`, and there is no `As` trait. This forces the
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/// caller to cast `b` as `i32`.
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fn mod_compare(a: i32, b: i32) -> bool {
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a & i32::max_value() != b & i32::max_value()
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}
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/// Return a sorted list containing information about the entries
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/// in the directory.
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///
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/// * `skip_dot_hg` - Return an empty vec if `path` contains a `.hg` directory
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fn list_directory(
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path: impl AsRef<Path>,
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skip_dot_hg: bool,
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) -> std::io::Result<Vec<(HgPathBuf, DirEntry)>> {
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let mut results = vec![];
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let entries = read_dir(path.as_ref())?;
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for entry in entries {
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let entry = entry?;
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let filename = os_string_to_hg_path_buf(entry.file_name())?;
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let file_type = entry.file_type()?;
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if skip_dot_hg && filename.as_bytes() == b".hg" && file_type.is_dir() {
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return Ok(vec![]);
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} else {
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results.push((filename, entry))
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}
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}
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results.sort_unstable_by_key(|e| e.0.clone());
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Ok(results)
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}
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/// The file corresponding to the dirstate entry was found on the filesystem.
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fn dispatch_found(
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filename: impl AsRef<HgPath>,
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entry: DirstateEntry,
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metadata: HgMetadata,
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copy_map: &CopyMap,
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options: StatusOptions,
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) -> Dispatch {
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let DirstateEntry {
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state,
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mode,
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mtime,
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size,
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} = entry;
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let HgMetadata {
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st_mode,
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st_size,
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st_mtime,
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..
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} = metadata;
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match state {
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EntryState::Normal => {
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let size_changed = mod_compare(size, st_size as i32);
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let mode_changed =
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(mode ^ st_mode as i32) & 0o100 != 0o000 && options.check_exec;
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let metadata_changed = size >= 0 && (size_changed || mode_changed);
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let other_parent = size == SIZE_FROM_OTHER_PARENT;
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if metadata_changed
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|| other_parent
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|| copy_map.contains_key(filename.as_ref())
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{
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if metadata.is_symlink() && size_changed {
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// issue6456: Size returned may be longer due to encryption
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// on EXT-4 fscrypt. TODO maybe only do it on EXT4?
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Dispatch::Unsure
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} else {
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Dispatch::Modified
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}
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} else if mod_compare(mtime, st_mtime as i32)
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|| st_mtime == options.last_normal_time
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{
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// the file may have just been marked as normal and
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// it may have changed in the same second without
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// changing its size. This can happen if we quickly
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// do multiple commits. Force lookup, so we don't
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// miss such a racy file change.
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Dispatch::Unsure
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} else if options.list_clean {
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Dispatch::Clean
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} else {
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Dispatch::None
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}
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}
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EntryState::Merged => Dispatch::Modified,
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EntryState::Added => Dispatch::Added,
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EntryState::Removed => Dispatch::Removed,
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EntryState::Unknown => Dispatch::Unknown,
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}
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}
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/// The file corresponding to this Dirstate entry is missing.
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fn dispatch_missing(state: EntryState) -> Dispatch {
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match state {
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// File was removed from the filesystem during commands
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EntryState::Normal | EntryState::Merged | EntryState::Added => {
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Dispatch::Deleted
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}
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// File was removed, everything is normal
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EntryState::Removed => Dispatch::Removed,
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// File is unknown to Mercurial, everything is normal
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EntryState::Unknown => Dispatch::Unknown,
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}
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}
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fn dispatch_os_error(e: &std::io::Error) -> Dispatch {
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Dispatch::Bad(BadMatch::OsError(
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e.raw_os_error().expect("expected real OS error"),
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))
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}
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lazy_static! {
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static ref DEFAULT_WORK: HashSet<&'static HgPath> = {
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let mut h = HashSet::new();
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h.insert(HgPath::new(b""));
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h
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};
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}
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#[derive(Debug, Copy, Clone)]
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pub struct StatusOptions {
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/// Remember the most recent modification timeslot for status, to make
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/// sure we won't miss future size-preserving file content modifications
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/// that happen within the same timeslot.
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pub last_normal_time: i64,
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/// Whether we are on a filesystem with UNIX-like exec flags
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pub check_exec: bool,
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pub list_clean: bool,
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pub list_unknown: bool,
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pub list_ignored: bool,
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/// Whether to collect traversed dirs for applying a callback later.
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/// Used by `hg purge` for example.
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pub collect_traversed_dirs: bool,
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}
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#[derive(Debug, Default)]
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pub struct DirstateStatus<'a> {
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/// Tracked files whose contents have changed since the parent revision
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pub modified: Vec<HgPathCow<'a>>,
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/// Newly-tracked files that were not present in the parent
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pub added: Vec<HgPathCow<'a>>,
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/// Previously-tracked files that have been (re)moved with an hg command
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pub removed: Vec<HgPathCow<'a>>,
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/// (Still) tracked files that are missing, (re)moved with an non-hg
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/// command
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pub deleted: Vec<HgPathCow<'a>>,
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/// Tracked files that are up to date with the parent.
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/// Only pupulated if `StatusOptions::list_clean` is true.
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pub clean: Vec<HgPathCow<'a>>,
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/// Files in the working directory that are ignored with `.hgignore`.
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/// Only pupulated if `StatusOptions::list_ignored` is true.
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pub ignored: Vec<HgPathCow<'a>>,
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/// Files in the working directory that are neither tracked nor ignored.
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/// Only pupulated if `StatusOptions::list_unknown` is true.
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pub unknown: Vec<HgPathCow<'a>>,
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/// Was explicitly matched but cannot be found/accessed
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pub bad: Vec<(HgPathCow<'a>, BadMatch)>,
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/// Either clean or modified, but we can’t tell from filesystem metadata
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/// alone. The file contents need to be read and compared with that in
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/// the parent.
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pub unsure: Vec<HgPathCow<'a>>,
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/// Only filled if `collect_traversed_dirs` is `true`
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pub traversed: Vec<HgPathBuf>,
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}
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#[derive(Debug, derive_more::From)]
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pub enum StatusError {
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/// Generic IO error
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IO(std::io::Error),
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/// An invalid path that cannot be represented in Mercurial was found
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Path(HgPathError),
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/// An invalid "ignore" pattern was found
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Pattern(PatternError),
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/// Corrupted dirstate
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DirstateV2ParseError(DirstateV2ParseError),
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}
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pub type StatusResult<T> = Result<T, StatusError>;
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impl fmt::Display for StatusError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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StatusError::IO(error) => error.fmt(f),
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StatusError::Path(error) => error.fmt(f),
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StatusError::Pattern(error) => error.fmt(f),
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StatusError::DirstateV2ParseError(_) => {
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f.write_str("dirstate-v2 parse error")
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}
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}
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}
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}
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/// Gives information about which files are changed in the working directory
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/// and how, compared to the revision we're based on
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pub struct Status<'a, M: ?Sized + Matcher + Sync> {
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dmap: &'a DirstateMap,
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pub(crate) matcher: &'a M,
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root_dir: PathBuf,
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pub(crate) options: StatusOptions,
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ignore_fn: IgnoreFnType<'a>,
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}
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impl<'a, M> Status<'a, M>
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where
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M: ?Sized + Matcher + Sync,
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{
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pub fn new(
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dmap: &'a DirstateMap,
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matcher: &'a M,
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root_dir: PathBuf,
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ignore_files: Vec<PathBuf>,
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options: StatusOptions,
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) -> StatusResult<(Self, Vec<PatternFileWarning>)> {
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// Needs to outlive `dir_ignore_fn` since it's captured.
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let (ignore_fn, warnings): (IgnoreFnType, _) =
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if options.list_ignored || options.list_unknown {
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get_ignore_function(ignore_files, &root_dir)?
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} else {
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(Box::new(|&_| true), vec![])
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};
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Ok((
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Self {
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dmap,
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matcher,
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root_dir,
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options,
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ignore_fn,
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},
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warnings,
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))
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}
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/// Is the path ignored?
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pub fn is_ignored(&self, path: impl AsRef<HgPath>) -> bool {
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(self.ignore_fn)(path.as_ref())
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}
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/// Is the path or one of its ancestors ignored?
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pub fn dir_ignore(&self, dir: impl AsRef<HgPath>) -> bool {
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// Only involve ignore mechanism if we're listing unknowns or ignored.
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if self.options.list_ignored || self.options.list_unknown {
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if self.is_ignored(&dir) {
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true
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} else {
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for p in find_dirs(dir.as_ref()) {
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if self.is_ignored(p) {
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return true;
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}
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}
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false
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}
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} else {
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true
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}
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}
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/// Get stat data about the files explicitly specified by the matcher.
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/// Returns a tuple of the directories that need to be traversed and the
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/// files with their corresponding `Dispatch`.
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/// TODO subrepos
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#[timed]
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pub fn walk_explicit(
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&self,
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traversed_sender: crossbeam_channel::Sender<HgPathBuf>,
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) -> (Vec<DispatchedPath<'a>>, Vec<DispatchedPath<'a>>) {
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self.matcher
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.file_set()
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.unwrap_or(&DEFAULT_WORK)
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.par_iter()
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.flat_map(|&filename| -> Option<_> {
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// TODO normalization
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let normalized = filename;
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let buf = match hg_path_to_path_buf(normalized) {
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Ok(x) => x,
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Err(_) => {
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return Some((
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Cow::Borrowed(normalized),
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INVALID_PATH_DISPATCH,
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))
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}
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};
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let target = self.root_dir.join(buf);
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let st = target.symlink_metadata();
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let in_dmap = self.dmap.get(normalized);
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match st {
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Ok(meta) => {
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let file_type = meta.file_type();
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return if file_type.is_file() || file_type.is_symlink()
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{
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if let Some(entry) = in_dmap {
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return Some((
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Cow::Borrowed(normalized),
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dispatch_found(
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&normalized,
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*entry,
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HgMetadata::from_metadata(meta),
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&self.dmap.copy_map,
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self.options,
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),
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));
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}
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Some((
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Cow::Borrowed(normalized),
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Dispatch::Unknown,
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))
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|
|
} else if file_type.is_dir() {
|
|
|
if self.options.collect_traversed_dirs {
|
|
|
traversed_sender
|
|
|
.send(normalized.to_owned())
|
|
|
.expect("receiver should outlive sender");
|
|
|
}
|
|
|
Some((
|
|
|
Cow::Borrowed(normalized),
|
|
|
Dispatch::Directory {
|
|
|
was_file: in_dmap.is_some(),
|
|
|
},
|
|
|
))
|
|
|
} else {
|
|
|
Some((
|
|
|
Cow::Borrowed(normalized),
|
|
|
Dispatch::Bad(BadMatch::BadType(
|
|
|
// TODO do more than unknown
|
|
|
// Support for all `BadType` variant
|
|
|
// varies greatly between platforms.
|
|
|
// So far, no tests check the type and
|
|
|
// this should be good enough for most
|
|
|
// users.
|
|
|
BadType::Unknown,
|
|
|
)),
|
|
|
))
|
|
|
};
|
|
|
}
|
|
|
Err(_) => {
|
|
|
if let Some(entry) = in_dmap {
|
|
|
return Some((
|
|
|
Cow::Borrowed(normalized),
|
|
|
dispatch_missing(entry.state),
|
|
|
));
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
None
|
|
|
})
|
|
|
.partition(|(_, dispatch)| match dispatch {
|
|
|
Dispatch::Directory { .. } => true,
|
|
|
_ => false,
|
|
|
})
|
|
|
}
|
|
|
|
|
|
/// Walk the working directory recursively to look for changes compared to
|
|
|
/// the current `DirstateMap`.
|
|
|
///
|
|
|
/// This takes a mutable reference to the results to account for the
|
|
|
/// `extend` in timings
|
|
|
#[timed]
|
|
|
pub fn traverse(
|
|
|
&self,
|
|
|
path: impl AsRef<HgPath>,
|
|
|
old_results: &FastHashMap<HgPathCow<'a>, Dispatch>,
|
|
|
results: &mut Vec<DispatchedPath<'a>>,
|
|
|
traversed_sender: crossbeam_channel::Sender<HgPathBuf>,
|
|
|
) {
|
|
|
// The traversal is done in parallel, so use a channel to gather
|
|
|
// entries. `crossbeam_channel::Sender` is `Sync`, while `mpsc::Sender`
|
|
|
// is not.
|
|
|
let (files_transmitter, files_receiver) =
|
|
|
crossbeam_channel::unbounded();
|
|
|
|
|
|
self.traverse_dir(
|
|
|
&files_transmitter,
|
|
|
path,
|
|
|
&old_results,
|
|
|
traversed_sender,
|
|
|
);
|
|
|
|
|
|
// Disconnect the channel so the receiver stops waiting
|
|
|
drop(files_transmitter);
|
|
|
|
|
|
let new_results = files_receiver
|
|
|
.into_iter()
|
|
|
.par_bridge()
|
|
|
.map(|(f, d)| (Cow::Owned(f), d));
|
|
|
|
|
|
results.par_extend(new_results);
|
|
|
}
|
|
|
|
|
|
/// Dispatch a single entry (file, folder, symlink...) found during
|
|
|
/// `traverse`. If the entry is a folder that needs to be traversed, it
|
|
|
/// will be handled in a separate thread.
|
|
|
fn handle_traversed_entry<'b>(
|
|
|
&'a self,
|
|
|
scope: &rayon::Scope<'b>,
|
|
|
files_sender: &'b crossbeam_channel::Sender<(HgPathBuf, Dispatch)>,
|
|
|
old_results: &'a FastHashMap<Cow<HgPath>, Dispatch>,
|
|
|
filename: HgPathBuf,
|
|
|
dir_entry: DirEntry,
|
|
|
traversed_sender: crossbeam_channel::Sender<HgPathBuf>,
|
|
|
) -> IoResult<()>
|
|
|
where
|
|
|
'a: 'b,
|
|
|
{
|
|
|
let file_type = dir_entry.file_type()?;
|
|
|
let entry_option = self.dmap.get(&filename);
|
|
|
|
|
|
if filename.as_bytes() == b".hg" {
|
|
|
// Could be a directory or a symlink
|
|
|
return Ok(());
|
|
|
}
|
|
|
|
|
|
if file_type.is_dir() {
|
|
|
self.handle_traversed_dir(
|
|
|
scope,
|
|
|
files_sender,
|
|
|
old_results,
|
|
|
entry_option,
|
|
|
filename,
|
|
|
traversed_sender,
|
|
|
);
|
|
|
} else if file_type.is_file() || file_type.is_symlink() {
|
|
|
if let Some(entry) = entry_option {
|
|
|
if self.matcher.matches_everything()
|
|
|
|| self.matcher.matches(&filename)
|
|
|
{
|
|
|
let metadata = dir_entry.metadata()?;
|
|
|
files_sender
|
|
|
.send((
|
|
|
filename.to_owned(),
|
|
|
dispatch_found(
|
|
|
&filename,
|
|
|
*entry,
|
|
|
HgMetadata::from_metadata(metadata),
|
|
|
&self.dmap.copy_map,
|
|
|
self.options,
|
|
|
),
|
|
|
))
|
|
|
.unwrap();
|
|
|
}
|
|
|
} else if (self.matcher.matches_everything()
|
|
|
|| self.matcher.matches(&filename))
|
|
|
&& !self.is_ignored(&filename)
|
|
|
{
|
|
|
if (self.options.list_ignored
|
|
|
|| self.matcher.exact_match(&filename))
|
|
|
&& self.dir_ignore(&filename)
|
|
|
{
|
|
|
if self.options.list_ignored {
|
|
|
files_sender
|
|
|
.send((filename.to_owned(), Dispatch::Ignored))
|
|
|
.unwrap();
|
|
|
}
|
|
|
} else if self.options.list_unknown {
|
|
|
files_sender
|
|
|
.send((filename.to_owned(), Dispatch::Unknown))
|
|
|
.unwrap();
|
|
|
}
|
|
|
} else if self.is_ignored(&filename) && self.options.list_ignored {
|
|
|
if self.matcher.matches(&filename) {
|
|
|
files_sender
|
|
|
.send((filename.to_owned(), Dispatch::Ignored))
|
|
|
.unwrap();
|
|
|
}
|
|
|
}
|
|
|
} else if let Some(entry) = entry_option {
|
|
|
// Used to be a file or a folder, now something else.
|
|
|
if self.matcher.matches_everything()
|
|
|
|| self.matcher.matches(&filename)
|
|
|
{
|
|
|
files_sender
|
|
|
.send((filename.to_owned(), dispatch_missing(entry.state)))
|
|
|
.unwrap();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
Ok(())
|
|
|
}
|
|
|
|
|
|
/// A directory was found in the filesystem and needs to be traversed
|
|
|
fn handle_traversed_dir<'b>(
|
|
|
&'a self,
|
|
|
scope: &rayon::Scope<'b>,
|
|
|
files_sender: &'b crossbeam_channel::Sender<(HgPathBuf, Dispatch)>,
|
|
|
old_results: &'a FastHashMap<Cow<HgPath>, Dispatch>,
|
|
|
entry_option: Option<&'a DirstateEntry>,
|
|
|
directory: HgPathBuf,
|
|
|
traversed_sender: crossbeam_channel::Sender<HgPathBuf>,
|
|
|
) where
|
|
|
'a: 'b,
|
|
|
{
|
|
|
scope.spawn(move |_| {
|
|
|
// Nested `if` until `rust-lang/rust#53668` is stable
|
|
|
if let Some(entry) = entry_option {
|
|
|
// Used to be a file, is now a folder
|
|
|
if self.matcher.matches_everything()
|
|
|
|| self.matcher.matches(&directory)
|
|
|
{
|
|
|
files_sender
|
|
|
.send((
|
|
|
directory.to_owned(),
|
|
|
dispatch_missing(entry.state),
|
|
|
))
|
|
|
.unwrap();
|
|
|
}
|
|
|
}
|
|
|
// Do we need to traverse it?
|
|
|
if !self.is_ignored(&directory) || self.options.list_ignored {
|
|
|
self.traverse_dir(
|
|
|
files_sender,
|
|
|
directory,
|
|
|
&old_results,
|
|
|
traversed_sender,
|
|
|
)
|
|
|
}
|
|
|
});
|
|
|
}
|
|
|
|
|
|
/// Decides whether the directory needs to be listed, and if so handles the
|
|
|
/// entries in a separate thread.
|
|
|
fn traverse_dir(
|
|
|
&self,
|
|
|
files_sender: &crossbeam_channel::Sender<(HgPathBuf, Dispatch)>,
|
|
|
directory: impl AsRef<HgPath>,
|
|
|
old_results: &FastHashMap<Cow<HgPath>, Dispatch>,
|
|
|
traversed_sender: crossbeam_channel::Sender<HgPathBuf>,
|
|
|
) {
|
|
|
let directory = directory.as_ref();
|
|
|
|
|
|
if self.options.collect_traversed_dirs {
|
|
|
traversed_sender
|
|
|
.send(directory.to_owned())
|
|
|
.expect("receiver should outlive sender");
|
|
|
}
|
|
|
|
|
|
let visit_entries = match self.matcher.visit_children_set(directory) {
|
|
|
VisitChildrenSet::Empty => return,
|
|
|
VisitChildrenSet::This | VisitChildrenSet::Recursive => None,
|
|
|
VisitChildrenSet::Set(set) => Some(set),
|
|
|
};
|
|
|
let buf = match hg_path_to_path_buf(directory) {
|
|
|
Ok(b) => b,
|
|
|
Err(_) => {
|
|
|
files_sender
|
|
|
.send((directory.to_owned(), INVALID_PATH_DISPATCH))
|
|
|
.expect("receiver should outlive sender");
|
|
|
return;
|
|
|
}
|
|
|
};
|
|
|
let dir_path = self.root_dir.join(buf);
|
|
|
|
|
|
let skip_dot_hg = !directory.as_bytes().is_empty();
|
|
|
let entries = match list_directory(dir_path, skip_dot_hg) {
|
|
|
Err(e) => {
|
|
|
files_sender
|
|
|
.send((directory.to_owned(), dispatch_os_error(&e)))
|
|
|
.expect("receiver should outlive sender");
|
|
|
return;
|
|
|
}
|
|
|
Ok(entries) => entries,
|
|
|
};
|
|
|
|
|
|
rayon::scope(|scope| {
|
|
|
for (filename, dir_entry) in entries {
|
|
|
if let Some(ref set) = visit_entries {
|
|
|
if !set.contains(filename.deref()) {
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
// TODO normalize
|
|
|
let filename = if directory.is_empty() {
|
|
|
filename.to_owned()
|
|
|
} else {
|
|
|
directory.join(&filename)
|
|
|
};
|
|
|
|
|
|
if !old_results.contains_key(filename.deref()) {
|
|
|
match self.handle_traversed_entry(
|
|
|
scope,
|
|
|
files_sender,
|
|
|
old_results,
|
|
|
filename,
|
|
|
dir_entry,
|
|
|
traversed_sender.clone(),
|
|
|
) {
|
|
|
Err(e) => {
|
|
|
files_sender
|
|
|
.send((
|
|
|
directory.to_owned(),
|
|
|
dispatch_os_error(&e),
|
|
|
))
|
|
|
.expect("receiver should outlive sender");
|
|
|
}
|
|
|
Ok(_) => {}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
})
|
|
|
}
|
|
|
|
|
|
/// Add the files in the dirstate to the results.
|
|
|
///
|
|
|
/// This takes a mutable reference to the results to account for the
|
|
|
/// `extend` in timings
|
|
|
#[timed]
|
|
|
pub fn extend_from_dmap(&self, results: &mut Vec<DispatchedPath<'a>>) {
|
|
|
results.par_extend(
|
|
|
self.dmap
|
|
|
.par_iter()
|
|
|
.filter(|(path, _)| self.matcher.matches(path))
|
|
|
.map(move |(filename, entry)| {
|
|
|
let filename: &HgPath = filename;
|
|
|
let filename_as_path = match hg_path_to_path_buf(filename)
|
|
|
{
|
|
|
Ok(f) => f,
|
|
|
Err(_) => {
|
|
|
return (
|
|
|
Cow::Borrowed(filename),
|
|
|
INVALID_PATH_DISPATCH,
|
|
|
)
|
|
|
}
|
|
|
};
|
|
|
let meta = self
|
|
|
.root_dir
|
|
|
.join(filename_as_path)
|
|
|
.symlink_metadata();
|
|
|
match meta {
|
|
|
Ok(m)
|
|
|
if !(m.file_type().is_file()
|
|
|
|| m.file_type().is_symlink()) =>
|
|
|
{
|
|
|
(
|
|
|
Cow::Borrowed(filename),
|
|
|
dispatch_missing(entry.state),
|
|
|
)
|
|
|
}
|
|
|
Ok(m) => (
|
|
|
Cow::Borrowed(filename),
|
|
|
dispatch_found(
|
|
|
filename,
|
|
|
*entry,
|
|
|
HgMetadata::from_metadata(m),
|
|
|
&self.dmap.copy_map,
|
|
|
self.options,
|
|
|
),
|
|
|
),
|
|
|
Err(e)
|
|
|
if e.kind() == ErrorKind::NotFound
|
|
|
|| e.raw_os_error() == Some(20) =>
|
|
|
{
|
|
|
// Rust does not yet have an `ErrorKind` for
|
|
|
// `NotADirectory` (errno 20)
|
|
|
// It happens if the dirstate contains `foo/bar`
|
|
|
// and foo is not a
|
|
|
// directory
|
|
|
(
|
|
|
Cow::Borrowed(filename),
|
|
|
dispatch_missing(entry.state),
|
|
|
)
|
|
|
}
|
|
|
Err(e) => {
|
|
|
(Cow::Borrowed(filename), dispatch_os_error(&e))
|
|
|
}
|
|
|
}
|
|
|
}),
|
|
|
);
|
|
|
}
|
|
|
|
|
|
/// Checks all files that are in the dirstate but were not found during the
|
|
|
/// working directory traversal. This means that the rest must
|
|
|
/// be either ignored, under a symlink or under a new nested repo.
|
|
|
///
|
|
|
/// This takes a mutable reference to the results to account for the
|
|
|
/// `extend` in timings
|
|
|
#[timed]
|
|
|
pub fn handle_unknowns(&self, results: &mut Vec<DispatchedPath<'a>>) {
|
|
|
let to_visit: Vec<(&HgPath, &DirstateEntry)> =
|
|
|
if results.is_empty() && self.matcher.matches_everything() {
|
|
|
self.dmap.iter().map(|(f, e)| (f.deref(), e)).collect()
|
|
|
} else {
|
|
|
// Only convert to a hashmap if needed.
|
|
|
let old_results: FastHashMap<_, _> =
|
|
|
results.iter().cloned().collect();
|
|
|
self.dmap
|
|
|
.iter()
|
|
|
.filter_map(move |(f, e)| {
|
|
|
if !old_results.contains_key(f.deref())
|
|
|
&& self.matcher.matches(f)
|
|
|
{
|
|
|
Some((f.deref(), e))
|
|
|
} else {
|
|
|
None
|
|
|
}
|
|
|
})
|
|
|
.collect()
|
|
|
};
|
|
|
|
|
|
let path_auditor = PathAuditor::new(&self.root_dir);
|
|
|
|
|
|
let new_results = to_visit.into_par_iter().filter_map(
|
|
|
|(filename, entry)| -> Option<_> {
|
|
|
// Report ignored items in the dmap as long as they are not
|
|
|
// under a symlink directory.
|
|
|
if path_auditor.check(filename) {
|
|
|
// TODO normalize for case-insensitive filesystems
|
|
|
let buf = match hg_path_to_path_buf(filename) {
|
|
|
Ok(x) => x,
|
|
|
Err(_) => {
|
|
|
return Some((
|
|
|
Cow::Owned(filename.to_owned()),
|
|
|
INVALID_PATH_DISPATCH,
|
|
|
));
|
|
|
}
|
|
|
};
|
|
|
Some((
|
|
|
Cow::Owned(filename.to_owned()),
|
|
|
match self.root_dir.join(&buf).symlink_metadata() {
|
|
|
// File was just ignored, no links, and exists
|
|
|
Ok(meta) => {
|
|
|
let metadata = HgMetadata::from_metadata(meta);
|
|
|
dispatch_found(
|
|
|
filename,
|
|
|
*entry,
|
|
|
metadata,
|
|
|
&self.dmap.copy_map,
|
|
|
self.options,
|
|
|
)
|
|
|
}
|
|
|
// File doesn't exist
|
|
|
Err(_) => dispatch_missing(entry.state),
|
|
|
},
|
|
|
))
|
|
|
} else {
|
|
|
// It's either missing or under a symlink directory which
|
|
|
// we, in this case, report as missing.
|
|
|
Some((
|
|
|
Cow::Owned(filename.to_owned()),
|
|
|
dispatch_missing(entry.state),
|
|
|
))
|
|
|
}
|
|
|
},
|
|
|
);
|
|
|
|
|
|
results.par_extend(new_results);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
#[timed]
|
|
|
pub fn build_response<'a>(
|
|
|
results: impl IntoIterator<Item = DispatchedPath<'a>>,
|
|
|
traversed: Vec<HgPathBuf>,
|
|
|
) -> DirstateStatus<'a> {
|
|
|
let mut unsure = vec![];
|
|
|
let mut modified = vec![];
|
|
|
let mut added = vec![];
|
|
|
let mut removed = vec![];
|
|
|
let mut deleted = vec![];
|
|
|
let mut clean = vec![];
|
|
|
let mut ignored = vec![];
|
|
|
let mut unknown = vec![];
|
|
|
let mut bad = vec![];
|
|
|
|
|
|
for (filename, dispatch) in results.into_iter() {
|
|
|
match dispatch {
|
|
|
Dispatch::Unknown => unknown.push(filename),
|
|
|
Dispatch::Unsure => unsure.push(filename),
|
|
|
Dispatch::Modified => modified.push(filename),
|
|
|
Dispatch::Added => added.push(filename),
|
|
|
Dispatch::Removed => removed.push(filename),
|
|
|
Dispatch::Deleted => deleted.push(filename),
|
|
|
Dispatch::Clean => clean.push(filename),
|
|
|
Dispatch::Ignored => ignored.push(filename),
|
|
|
Dispatch::None => {}
|
|
|
Dispatch::Bad(reason) => bad.push((filename, reason)),
|
|
|
Dispatch::Directory { .. } => {}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
DirstateStatus {
|
|
|
modified,
|
|
|
added,
|
|
|
removed,
|
|
|
deleted,
|
|
|
clean,
|
|
|
ignored,
|
|
|
unknown,
|
|
|
bad,
|
|
|
unsure,
|
|
|
traversed,
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// Get the status of files in the working directory.
|
|
|
///
|
|
|
/// This is the current entry-point for `hg-core` and is realistically unusable
|
|
|
/// outside of a Python context because its arguments need to provide a lot of
|
|
|
/// information that will not be necessary in the future.
|
|
|
#[timed]
|
|
|
pub fn status<'a>(
|
|
|
dmap: &'a DirstateMap,
|
|
|
matcher: &'a (dyn Matcher + Sync),
|
|
|
root_dir: PathBuf,
|
|
|
ignore_files: Vec<PathBuf>,
|
|
|
options: StatusOptions,
|
|
|
) -> StatusResult<(DirstateStatus<'a>, Vec<PatternFileWarning>)> {
|
|
|
let (status, warnings) =
|
|
|
Status::new(dmap, matcher, root_dir, ignore_files, options)?;
|
|
|
|
|
|
Ok((status.run()?, warnings))
|
|
|
}
|
|
|
|
