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// matchers.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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//! Structs and types for matching files and directories.
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use crate::{
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dirstate::dirs_multiset::DirsChildrenMultiset,
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filepatterns::{
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build_single_regex, filter_subincludes, get_patterns_from_file,
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PatternFileWarning, PatternResult,
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},
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utils::{
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files::find_dirs,
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hg_path::{HgPath, HgPathBuf},
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Escaped,
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},
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DirsMultiset, DirstateMapError, FastHashMap, IgnorePattern, PatternError,
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PatternSyntax,
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};
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use crate::filepatterns::normalize_path_bytes;
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use std::borrow::ToOwned;
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use std::collections::HashSet;
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use std::fmt::{Display, Error, Formatter};
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use std::iter::FromIterator;
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use std::ops::Deref;
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use std::path::{Path, PathBuf};
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use micro_timer::timed;
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#[derive(Debug, PartialEq)]
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pub enum VisitChildrenSet<'a> {
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/// Don't visit anything
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Empty,
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/// Only visit this directory
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This,
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/// Visit this directory and these subdirectories
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/// TODO Should we implement a `NonEmptyHashSet`?
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Set(HashSet<&'a HgPath>),
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/// Visit this directory and all subdirectories
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Recursive,
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}
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pub trait Matcher {
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/// Explicitly listed files
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fn file_set(&self) -> Option<&HashSet<&HgPath>>;
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/// Returns whether `filename` is in `file_set`
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fn exact_match(&self, filename: &HgPath) -> bool;
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/// Returns whether `filename` is matched by this matcher
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fn matches(&self, filename: &HgPath) -> bool;
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/// Decides whether a directory should be visited based on whether it
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/// has potential matches in it or one of its subdirectories, and
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/// potentially lists which subdirectories of that directory should be
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/// visited. This is based on the match's primary, included, and excluded
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/// patterns.
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///
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/// # Example
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///
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/// Assume matchers `['path:foo/bar', 'rootfilesin:qux']`, we would
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/// return the following values (assuming the implementation of
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/// visit_children_set is capable of recognizing this; some implementations
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/// are not).
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///
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/// ```text
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/// ```ignore
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/// '' -> {'foo', 'qux'}
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/// 'baz' -> set()
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/// 'foo' -> {'bar'}
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/// // Ideally this would be `Recursive`, but since the prefix nature of
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/// // matchers is applied to the entire matcher, we have to downgrade this
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/// // to `This` due to the (yet to be implemented in Rust) non-prefix
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/// // `RootFilesIn'-kind matcher being mixed in.
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/// 'foo/bar' -> 'this'
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/// 'qux' -> 'this'
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/// ```
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/// # Important
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///
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/// Most matchers do not know if they're representing files or
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/// directories. They see `['path:dir/f']` and don't know whether `f` is a
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/// file or a directory, so `visit_children_set('dir')` for most matchers
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/// will return `HashSet{ HgPath { "f" } }`, but if the matcher knows it's
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/// a file (like the yet to be implemented in Rust `ExactMatcher` does),
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/// it may return `VisitChildrenSet::This`.
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/// Do not rely on the return being a `HashSet` indicating that there are
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/// no files in this dir to investigate (or equivalently that if there are
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/// files to investigate in 'dir' that it will always return
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/// `VisitChildrenSet::This`).
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fn visit_children_set(&self, directory: &HgPath) -> VisitChildrenSet;
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/// Matcher will match everything and `files_set()` will be empty:
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/// optimization might be possible.
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fn matches_everything(&self) -> bool;
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/// Matcher will match exactly the files in `files_set()`: optimization
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/// might be possible.
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fn is_exact(&self) -> bool;
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}
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/// Matches everything.
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///```
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/// use hg::{ matchers::{Matcher, AlwaysMatcher}, utils::hg_path::HgPath };
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///
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/// let matcher = AlwaysMatcher;
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///
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/// assert_eq!(matcher.matches(HgPath::new(b"whatever")), true);
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/// assert_eq!(matcher.matches(HgPath::new(b"b.txt")), true);
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/// assert_eq!(matcher.matches(HgPath::new(b"main.c")), true);
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/// assert_eq!(matcher.matches(HgPath::new(br"re:.*\.c$")), true);
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/// ```
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#[derive(Debug)]
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pub struct AlwaysMatcher;
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impl Matcher for AlwaysMatcher {
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fn file_set(&self) -> Option<&HashSet<&HgPath>> {
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None
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}
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fn exact_match(&self, _filename: &HgPath) -> bool {
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false
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}
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fn matches(&self, _filename: &HgPath) -> bool {
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true
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}
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fn visit_children_set(&self, _directory: &HgPath) -> VisitChildrenSet {
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VisitChildrenSet::Recursive
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}
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fn matches_everything(&self) -> bool {
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true
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}
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fn is_exact(&self) -> bool {
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false
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}
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}
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/// Matches the input files exactly. They are interpreted as paths, not
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/// patterns.
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///
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///```
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/// use hg::{ matchers::{Matcher, FileMatcher}, utils::hg_path::{HgPath, HgPathBuf} };
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///
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/// let files = [HgPathBuf::from_bytes(b"a.txt"), HgPathBuf::from_bytes(br"re:.*\.c$")];
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/// let matcher = FileMatcher::new(&files).unwrap();
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///
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/// assert_eq!(matcher.matches(HgPath::new(b"a.txt")), true);
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/// assert_eq!(matcher.matches(HgPath::new(b"b.txt")), false);
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/// assert_eq!(matcher.matches(HgPath::new(b"main.c")), false);
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/// assert_eq!(matcher.matches(HgPath::new(br"re:.*\.c$")), true);
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/// ```
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#[derive(Debug)]
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pub struct FileMatcher<'a> {
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files: HashSet<&'a HgPath>,
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dirs: DirsMultiset,
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}
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impl<'a> FileMatcher<'a> {
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pub fn new(files: &'a [HgPathBuf]) -> Result<Self, DirstateMapError> {
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Ok(Self {
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files: HashSet::from_iter(files.iter().map(AsRef::as_ref)),
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dirs: DirsMultiset::from_manifest(files)?,
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})
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}
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fn inner_matches(&self, filename: &HgPath) -> bool {
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self.files.contains(filename.as_ref())
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}
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}
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impl<'a> Matcher for FileMatcher<'a> {
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fn file_set(&self) -> Option<&HashSet<&HgPath>> {
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Some(&self.files)
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}
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fn exact_match(&self, filename: &HgPath) -> bool {
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self.inner_matches(filename)
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}
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fn matches(&self, filename: &HgPath) -> bool {
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self.inner_matches(filename)
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}
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fn visit_children_set(&self, directory: &HgPath) -> VisitChildrenSet {
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if self.files.is_empty() || !self.dirs.contains(&directory) {
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return VisitChildrenSet::Empty;
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}
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let dirs_as_set = self.dirs.iter().map(Deref::deref).collect();
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let mut candidates: HashSet<&HgPath> =
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self.files.union(&dirs_as_set).cloned().collect();
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candidates.remove(HgPath::new(b""));
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if !directory.as_ref().is_empty() {
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let directory = [directory.as_ref().as_bytes(), b"/"].concat();
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candidates = candidates
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.iter()
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.filter_map(|c| {
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if c.as_bytes().starts_with(&directory) {
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Some(HgPath::new(&c.as_bytes()[directory.len()..]))
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} else {
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None
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}
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})
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.collect();
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}
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// `self.dirs` includes all of the directories, recursively, so if
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// we're attempting to match 'foo/bar/baz.txt', it'll have '', 'foo',
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// 'foo/bar' in it. Thus we can safely ignore a candidate that has a
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// '/' in it, indicating it's for a subdir-of-a-subdir; the immediate
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// subdir will be in there without a slash.
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VisitChildrenSet::Set(
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candidates
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.iter()
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.filter_map(|c| {
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if c.bytes().all(|b| *b != b'/') {
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Some(*c)
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} else {
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None
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}
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})
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.collect(),
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)
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}
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fn matches_everything(&self) -> bool {
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false
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}
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fn is_exact(&self) -> bool {
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true
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}
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}
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/// Matches files that are included in the ignore rules.
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/// ```
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/// use hg::{
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/// matchers::{IncludeMatcher, Matcher},
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/// IgnorePattern,
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/// PatternSyntax,
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/// utils::hg_path::HgPath
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/// };
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/// use std::path::Path;
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/// ///
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/// let ignore_patterns =
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/// vec![IgnorePattern::new(PatternSyntax::RootGlob, b"this*", Path::new(""))];
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/// let matcher = IncludeMatcher::new(ignore_patterns).unwrap();
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/// ///
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/// assert_eq!(matcher.matches(HgPath::new(b"testing")), false);
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/// assert_eq!(matcher.matches(HgPath::new(b"this should work")), true);
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/// assert_eq!(matcher.matches(HgPath::new(b"this also")), true);
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/// assert_eq!(matcher.matches(HgPath::new(b"but not this")), false);
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/// ```
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pub struct IncludeMatcher<'a> {
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patterns: Vec<u8>,
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match_fn: Box<dyn for<'r> Fn(&'r HgPath) -> bool + 'a + Sync>,
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/// Whether all the patterns match a prefix (i.e. recursively)
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prefix: bool,
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roots: HashSet<HgPathBuf>,
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dirs: HashSet<HgPathBuf>,
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parents: HashSet<HgPathBuf>,
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}
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impl<'a> Matcher for IncludeMatcher<'a> {
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fn file_set(&self) -> Option<&HashSet<&HgPath>> {
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None
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}
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fn exact_match(&self, _filename: &HgPath) -> bool {
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false
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}
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fn matches(&self, filename: &HgPath) -> bool {
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(self.match_fn)(filename.as_ref())
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}
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fn visit_children_set(&self, directory: &HgPath) -> VisitChildrenSet {
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let dir = directory.as_ref();
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if self.prefix && self.roots.contains(dir) {
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return VisitChildrenSet::Recursive;
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}
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if self.roots.contains(HgPath::new(b""))
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|| self.roots.contains(dir)
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|| self.dirs.contains(dir)
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|| find_dirs(dir).any(|parent_dir| self.roots.contains(parent_dir))
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{
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return VisitChildrenSet::This;
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}
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if self.parents.contains(directory.as_ref()) {
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let multiset = self.get_all_parents_children();
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if let Some(children) = multiset.get(dir) {
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return VisitChildrenSet::Set(children.to_owned());
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}
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}
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VisitChildrenSet::Empty
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}
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fn matches_everything(&self) -> bool {
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false
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}
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fn is_exact(&self) -> bool {
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false
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}
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}
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/// Returns a function that matches an `HgPath` against the given regex
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/// pattern.
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///
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/// This can fail when the pattern is invalid or not supported by the
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/// underlying engine (the `regex` crate), for instance anything with
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/// back-references.
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#[timed]
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fn re_matcher(
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pattern: &[u8],
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) -> PatternResult<impl Fn(&HgPath) -> bool + Sync> {
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use std::io::Write;
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// The `regex` crate adds `.*` to the start and end of expressions if there
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// are no anchors, so add the start anchor.
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let mut escaped_bytes = vec![b'^', b'(', b'?', b':'];
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for byte in pattern {
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if *byte > 127 {
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write!(escaped_bytes, "\\x{:x}", *byte).unwrap();
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} else {
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escaped_bytes.push(*byte);
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}
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}
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escaped_bytes.push(b')');
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// Avoid the cost of UTF8 checking
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//
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// # Safety
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// This is safe because we escaped all non-ASCII bytes.
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let pattern_string = unsafe { String::from_utf8_unchecked(escaped_bytes) };
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let re = regex::bytes::RegexBuilder::new(&pattern_string)
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.unicode(false)
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// Big repos with big `.hgignore` will hit the default limit and
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// incur a significant performance hit. One repo's `hg status` hit
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// multiple *minutes*.
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.dfa_size_limit(50 * (1 << 20))
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.build()
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.map_err(|e| PatternError::UnsupportedSyntax(e.to_string()))?;
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Ok(move |path: &HgPath| re.is_match(path.as_bytes()))
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}
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/// Returns the regex pattern and a function that matches an `HgPath` against
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/// said regex formed by the given ignore patterns.
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fn build_regex_match(
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ignore_patterns: &[IgnorePattern],
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) -> PatternResult<(Vec<u8>, Box<dyn Fn(&HgPath) -> bool + Sync>)> {
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let mut regexps = vec![];
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let mut exact_set = HashSet::new();
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for pattern in ignore_patterns {
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if let Some(re) = build_single_regex(pattern)? {
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regexps.push(re);
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} else {
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let exact = normalize_path_bytes(&pattern.pattern);
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exact_set.insert(HgPathBuf::from_bytes(&exact));
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}
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}
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let full_regex = regexps.join(&b'|');
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// An empty pattern would cause the regex engine to incorrectly match the
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// (empty) root directory
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let func = if !(regexps.is_empty()) {
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let matcher = re_matcher(&full_regex)?;
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let func = move |filename: &HgPath| {
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exact_set.contains(filename) || matcher(filename)
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};
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Box::new(func) as Box<dyn Fn(&HgPath) -> bool + Sync>
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} else {
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let func = move |filename: &HgPath| exact_set.contains(filename);
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Box::new(func) as Box<dyn Fn(&HgPath) -> bool + Sync>
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};
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Ok((full_regex, func))
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}
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/// Returns roots and directories corresponding to each pattern.
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///
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/// This calculates the roots and directories exactly matching the patterns and
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/// returns a tuple of (roots, dirs). It does not return other directories
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/// which may also need to be considered, like the parent directories.
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fn roots_and_dirs(
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ignore_patterns: &[IgnorePattern],
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) -> (Vec<HgPathBuf>, Vec<HgPathBuf>) {
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let mut roots = Vec::new();
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let mut dirs = Vec::new();
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for ignore_pattern in ignore_patterns {
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let IgnorePattern {
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syntax, pattern, ..
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} = ignore_pattern;
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match syntax {
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PatternSyntax::RootGlob | PatternSyntax::Glob => {
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let mut root = vec![];
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for p in pattern.split(|c| *c == b'/') {
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if p.iter().any(|c| match *c {
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b'[' | b'{' | b'*' | b'?' => true,
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_ => false,
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}) {
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break;
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}
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root.push(HgPathBuf::from_bytes(p));
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}
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let buf =
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root.iter().fold(HgPathBuf::new(), |acc, r| acc.join(r));
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roots.push(buf);
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}
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PatternSyntax::Path | PatternSyntax::RelPath => {
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let pat = HgPath::new(if pattern == b"." {
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&[] as &[u8]
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} else {
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pattern
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});
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roots.push(pat.to_owned());
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}
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PatternSyntax::RootFiles => {
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let pat = if pattern == b"." {
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&[] as &[u8]
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} else {
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|
|
pattern
|
|
|
};
|
|
|
dirs.push(HgPathBuf::from_bytes(pat));
|
|
|
}
|
|
|
_ => {
|
|
|
roots.push(HgPathBuf::new());
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
(roots, dirs)
|
|
|
}
|
|
|
|
|
|
/// Paths extracted from patterns
|
|
|
#[derive(Debug, PartialEq)]
|
|
|
struct RootsDirsAndParents {
|
|
|
/// Directories to match recursively
|
|
|
pub roots: HashSet<HgPathBuf>,
|
|
|
/// Directories to match non-recursively
|
|
|
pub dirs: HashSet<HgPathBuf>,
|
|
|
/// Implicitly required directories to go to items in either roots or dirs
|
|
|
pub parents: HashSet<HgPathBuf>,
|
|
|
}
|
|
|
|
|
|
/// Extract roots, dirs and parents from patterns.
|
|
|
fn roots_dirs_and_parents(
|
|
|
ignore_patterns: &[IgnorePattern],
|
|
|
) -> PatternResult<RootsDirsAndParents> {
|
|
|
let (roots, dirs) = roots_and_dirs(ignore_patterns);
|
|
|
|
|
|
let mut parents = HashSet::new();
|
|
|
|
|
|
parents.extend(
|
|
|
DirsMultiset::from_manifest(&dirs)
|
|
|
.map_err(|e| match e {
|
|
|
DirstateMapError::InvalidPath(e) => e,
|
|
|
_ => unreachable!(),
|
|
|
})?
|
|
|
.iter()
|
|
|
.map(ToOwned::to_owned),
|
|
|
);
|
|
|
parents.extend(
|
|
|
DirsMultiset::from_manifest(&roots)
|
|
|
.map_err(|e| match e {
|
|
|
DirstateMapError::InvalidPath(e) => e,
|
|
|
_ => unreachable!(),
|
|
|
})?
|
|
|
.iter()
|
|
|
.map(ToOwned::to_owned),
|
|
|
);
|
|
|
|
|
|
Ok(RootsDirsAndParents {
|
|
|
roots: HashSet::from_iter(roots),
|
|
|
dirs: HashSet::from_iter(dirs),
|
|
|
parents,
|
|
|
})
|
|
|
}
|
|
|
|
|
|
/// Returns a function that checks whether a given file (in the general sense)
|
|
|
/// should be matched.
|
|
|
fn build_match<'a, 'b>(
|
|
|
ignore_patterns: Vec<IgnorePattern>,
|
|
|
) -> PatternResult<(Vec<u8>, Box<dyn Fn(&HgPath) -> bool + 'b + Sync>)> {
|
|
|
let mut match_funcs: Vec<Box<dyn Fn(&HgPath) -> bool + Sync>> = vec![];
|
|
|
// For debugging and printing
|
|
|
let mut patterns = vec![];
|
|
|
|
|
|
let (subincludes, ignore_patterns) = filter_subincludes(ignore_patterns)?;
|
|
|
|
|
|
if !subincludes.is_empty() {
|
|
|
// Build prefix-based matcher functions for subincludes
|
|
|
let mut submatchers = FastHashMap::default();
|
|
|
let mut prefixes = vec![];
|
|
|
|
|
|
for sub_include in subincludes {
|
|
|
let matcher = IncludeMatcher::new(sub_include.included_patterns)?;
|
|
|
let match_fn =
|
|
|
Box::new(move |path: &HgPath| matcher.matches(path));
|
|
|
prefixes.push(sub_include.prefix.clone());
|
|
|
submatchers.insert(sub_include.prefix.clone(), match_fn);
|
|
|
}
|
|
|
|
|
|
let match_subinclude = move |filename: &HgPath| {
|
|
|
for prefix in prefixes.iter() {
|
|
|
if let Some(rel) = filename.relative_to(prefix) {
|
|
|
if (submatchers[prefix])(rel) {
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
false
|
|
|
};
|
|
|
|
|
|
match_funcs.push(Box::new(match_subinclude));
|
|
|
}
|
|
|
|
|
|
if !ignore_patterns.is_empty() {
|
|
|
// Either do dumb matching if all patterns are rootfiles, or match
|
|
|
// with a regex.
|
|
|
if ignore_patterns
|
|
|
.iter()
|
|
|
.all(|k| k.syntax == PatternSyntax::RootFiles)
|
|
|
{
|
|
|
let dirs: HashSet<_> = ignore_patterns
|
|
|
.iter()
|
|
|
.map(|k| k.pattern.to_owned())
|
|
|
.collect();
|
|
|
let mut dirs_vec: Vec<_> = dirs.iter().cloned().collect();
|
|
|
|
|
|
let match_func = move |path: &HgPath| -> bool {
|
|
|
let path = path.as_bytes();
|
|
|
let i = path.iter().rfind(|a| **a == b'/');
|
|
|
let dir = if let Some(i) = i {
|
|
|
&path[..*i as usize]
|
|
|
} else {
|
|
|
b"."
|
|
|
};
|
|
|
dirs.contains(dir.deref())
|
|
|
};
|
|
|
match_funcs.push(Box::new(match_func));
|
|
|
|
|
|
patterns.extend(b"rootfilesin: ");
|
|
|
dirs_vec.sort();
|
|
|
patterns.extend(dirs_vec.escaped_bytes());
|
|
|
} else {
|
|
|
let (new_re, match_func) = build_regex_match(&ignore_patterns)?;
|
|
|
patterns = new_re;
|
|
|
match_funcs.push(match_func)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
Ok(if match_funcs.len() == 1 {
|
|
|
(patterns, match_funcs.remove(0))
|
|
|
} else {
|
|
|
(
|
|
|
patterns,
|
|
|
Box::new(move |f: &HgPath| -> bool {
|
|
|
match_funcs.iter().any(|match_func| match_func(f))
|
|
|
}),
|
|
|
)
|
|
|
})
|
|
|
}
|
|
|
|
|
|
/// Parses all "ignore" files with their recursive includes and returns a
|
|
|
/// function that checks whether a given file (in the general sense) should be
|
|
|
/// ignored.
|
|
|
pub fn get_ignore_function<'a>(
|
|
|
mut all_pattern_files: Vec<PathBuf>,
|
|
|
root_dir: &Path,
|
|
|
inspect_pattern_bytes: &mut impl FnMut(&[u8]),
|
|
|
) -> PatternResult<(
|
|
|
Box<dyn for<'r> Fn(&'r HgPath) -> bool + Sync + 'a>,
|
|
|
Vec<PatternFileWarning>,
|
|
|
)> {
|
|
|
let mut all_patterns = vec![];
|
|
|
let mut all_warnings = vec![];
|
|
|
|
|
|
// Sort to make the ordering of calls to `inspect_pattern_bytes`
|
|
|
// deterministic even if the ordering of `all_pattern_files` is not (such
|
|
|
// as when a iteration order of a Python dict or Rust HashMap is involved).
|
|
|
// Sort by "string" representation instead of the default by component
|
|
|
// (with a Rust-specific definition of a component)
|
|
|
all_pattern_files
|
|
|
.sort_unstable_by(|a, b| a.as_os_str().cmp(b.as_os_str()));
|
|
|
|
|
|
for pattern_file in &all_pattern_files {
|
|
|
let (patterns, warnings) = get_patterns_from_file(
|
|
|
pattern_file,
|
|
|
root_dir,
|
|
|
inspect_pattern_bytes,
|
|
|
)?;
|
|
|
|
|
|
all_patterns.extend(patterns.to_owned());
|
|
|
all_warnings.extend(warnings);
|
|
|
}
|
|
|
let matcher = IncludeMatcher::new(all_patterns)?;
|
|
|
Ok((
|
|
|
Box::new(move |path: &HgPath| matcher.matches(path)),
|
|
|
all_warnings,
|
|
|
))
|
|
|
}
|
|
|
|
|
|
impl<'a> IncludeMatcher<'a> {
|
|
|
pub fn new(ignore_patterns: Vec<IgnorePattern>) -> PatternResult<Self> {
|
|
|
let RootsDirsAndParents {
|
|
|
roots,
|
|
|
dirs,
|
|
|
parents,
|
|
|
} = roots_dirs_and_parents(&ignore_patterns)?;
|
|
|
let prefix = ignore_patterns.iter().any(|k| match k.syntax {
|
|
|
PatternSyntax::Path | PatternSyntax::RelPath => true,
|
|
|
_ => false,
|
|
|
});
|
|
|
let (patterns, match_fn) = build_match(ignore_patterns)?;
|
|
|
|
|
|
Ok(Self {
|
|
|
patterns,
|
|
|
match_fn,
|
|
|
prefix,
|
|
|
roots,
|
|
|
dirs,
|
|
|
parents,
|
|
|
})
|
|
|
}
|
|
|
|
|
|
fn get_all_parents_children(&self) -> DirsChildrenMultiset {
|
|
|
// TODO cache
|
|
|
let thing = self
|
|
|
.dirs
|
|
|
.iter()
|
|
|
.chain(self.roots.iter())
|
|
|
.chain(self.parents.iter());
|
|
|
DirsChildrenMultiset::new(thing, Some(&self.parents))
|
|
|
}
|
|
|
}
|
|
|
|
|
|
impl<'a> Display for IncludeMatcher<'a> {
|
|
|
fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
|
|
|
// XXX What about exact matches?
|
|
|
// I'm not sure it's worth it to clone the HashSet and keep it
|
|
|
// around just in case someone wants to display the matcher, plus
|
|
|
// it's going to be unreadable after a few entries, but we need to
|
|
|
// inform in this display that exact matches are being used and are
|
|
|
// (on purpose) missing from the `includes`.
|
|
|
write!(
|
|
|
f,
|
|
|
"IncludeMatcher(includes='{}')",
|
|
|
String::from_utf8_lossy(&self.patterns.escaped_bytes())
|
|
|
)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
#[cfg(test)]
|
|
|
mod tests {
|
|
|
use super::*;
|
|
|
use pretty_assertions::assert_eq;
|
|
|
use std::path::Path;
|
|
|
|
|
|
#[test]
|
|
|
fn test_roots_and_dirs() {
|
|
|
let pats = vec![
|
|
|
IgnorePattern::new(PatternSyntax::Glob, b"g/h/*", Path::new("")),
|
|
|
IgnorePattern::new(PatternSyntax::Glob, b"g/h", Path::new("")),
|
|
|
IgnorePattern::new(PatternSyntax::Glob, b"g*", Path::new("")),
|
|
|
];
|
|
|
let (roots, dirs) = roots_and_dirs(&pats);
|
|
|
|
|
|
assert_eq!(
|
|
|
roots,
|
|
|
vec!(
|
|
|
HgPathBuf::from_bytes(b"g/h"),
|
|
|
HgPathBuf::from_bytes(b"g/h"),
|
|
|
HgPathBuf::new()
|
|
|
),
|
|
|
);
|
|
|
assert_eq!(dirs, vec!());
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_roots_dirs_and_parents() {
|
|
|
let pats = vec![
|
|
|
IgnorePattern::new(PatternSyntax::Glob, b"g/h/*", Path::new("")),
|
|
|
IgnorePattern::new(PatternSyntax::Glob, b"g/h", Path::new("")),
|
|
|
IgnorePattern::new(PatternSyntax::Glob, b"g*", Path::new("")),
|
|
|
];
|
|
|
|
|
|
let mut roots = HashSet::new();
|
|
|
roots.insert(HgPathBuf::from_bytes(b"g/h"));
|
|
|
roots.insert(HgPathBuf::new());
|
|
|
|
|
|
let dirs = HashSet::new();
|
|
|
|
|
|
let mut parents = HashSet::new();
|
|
|
parents.insert(HgPathBuf::new());
|
|
|
parents.insert(HgPathBuf::from_bytes(b"g"));
|
|
|
|
|
|
assert_eq!(
|
|
|
roots_dirs_and_parents(&pats).unwrap(),
|
|
|
RootsDirsAndParents {
|
|
|
roots,
|
|
|
dirs,
|
|
|
parents
|
|
|
}
|
|
|
);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_filematcher_visit_children_set() {
|
|
|
// Visitchildrenset
|
|
|
let files = vec![HgPathBuf::from_bytes(b"dir/subdir/foo.txt")];
|
|
|
let matcher = FileMatcher::new(&files).unwrap();
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"dir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"subdir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"foo.txt"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir/x")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir/foo.txt")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"folder")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_filematcher_visit_children_set_files_and_dirs() {
|
|
|
let files = vec![
|
|
|
HgPathBuf::from_bytes(b"rootfile.txt"),
|
|
|
HgPathBuf::from_bytes(b"a/file1.txt"),
|
|
|
HgPathBuf::from_bytes(b"a/b/file2.txt"),
|
|
|
// No file in a/b/c
|
|
|
HgPathBuf::from_bytes(b"a/b/c/d/file4.txt"),
|
|
|
];
|
|
|
let matcher = FileMatcher::new(&files).unwrap();
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"a"));
|
|
|
set.insert(HgPath::new(b"rootfile.txt"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"b"));
|
|
|
set.insert(HgPath::new(b"file1.txt"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"a")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"c"));
|
|
|
set.insert(HgPath::new(b"file2.txt"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"a/b")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"d"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"a/b/c")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"file4.txt"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"a/b/c/d")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"a/b/c/d/e")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"folder")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_includematcher() {
|
|
|
// VisitchildrensetPrefix
|
|
|
let matcher = IncludeMatcher::new(vec![IgnorePattern::new(
|
|
|
PatternSyntax::RelPath,
|
|
|
b"dir/subdir",
|
|
|
Path::new(""),
|
|
|
)])
|
|
|
.unwrap();
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"dir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"subdir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir")),
|
|
|
VisitChildrenSet::Recursive
|
|
|
);
|
|
|
// OPT: This should probably be 'all' if its parent is?
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir/x")),
|
|
|
VisitChildrenSet::This
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"folder")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
|
|
|
// VisitchildrensetRootfilesin
|
|
|
let matcher = IncludeMatcher::new(vec![IgnorePattern::new(
|
|
|
PatternSyntax::RootFiles,
|
|
|
b"dir/subdir",
|
|
|
Path::new(""),
|
|
|
)])
|
|
|
.unwrap();
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"dir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"subdir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir")),
|
|
|
VisitChildrenSet::This
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir/x")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"folder")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
|
|
|
// VisitchildrensetGlob
|
|
|
let matcher = IncludeMatcher::new(vec![IgnorePattern::new(
|
|
|
PatternSyntax::Glob,
|
|
|
b"dir/z*",
|
|
|
Path::new(""),
|
|
|
)])
|
|
|
.unwrap();
|
|
|
|
|
|
let mut set = HashSet::new();
|
|
|
set.insert(HgPath::new(b"dir"));
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"")),
|
|
|
VisitChildrenSet::Set(set)
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"folder")),
|
|
|
VisitChildrenSet::Empty
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir")),
|
|
|
VisitChildrenSet::This
|
|
|
);
|
|
|
// OPT: these should probably be set().
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir")),
|
|
|
VisitChildrenSet::This
|
|
|
);
|
|
|
assert_eq!(
|
|
|
matcher.visit_children_set(HgPath::new(b"dir/subdir/x")),
|
|
|
VisitChildrenSet::This
|
|
|
);
|
|
|
}
|
|
|
}
|
|
|
|
