|
|
// filepatterns.rs
|
|
|
//
|
|
|
// Copyright 2019 Raphaël Gomès <rgomes@octobus.net>
|
|
|
//
|
|
|
// This software may be used and distributed according to the terms of the
|
|
|
// GNU General Public License version 2 or any later version.
|
|
|
|
|
|
//! Handling of Mercurial-specific patterns.
|
|
|
|
|
|
use crate::{
|
|
|
utils::{
|
|
|
files::{canonical_path, get_bytes_from_path, get_path_from_bytes},
|
|
|
hg_path::{path_to_hg_path_buf, HgPathBuf, HgPathError},
|
|
|
SliceExt,
|
|
|
},
|
|
|
FastHashMap, PatternError,
|
|
|
};
|
|
|
use lazy_static::lazy_static;
|
|
|
use regex::bytes::{NoExpand, Regex};
|
|
|
use std::fs::File;
|
|
|
use std::io::Read;
|
|
|
use std::ops::Deref;
|
|
|
use std::path::{Path, PathBuf};
|
|
|
use std::vec::Vec;
|
|
|
|
|
|
lazy_static! {
|
|
|
static ref RE_ESCAPE: Vec<Vec<u8>> = {
|
|
|
let mut v: Vec<Vec<u8>> = (0..=255).map(|byte| vec![byte]).collect();
|
|
|
let to_escape = b"()[]{}?*+-|^$\\.&~# \t\n\r\x0b\x0c";
|
|
|
for byte in to_escape {
|
|
|
v[*byte as usize].insert(0, b'\\');
|
|
|
}
|
|
|
v
|
|
|
};
|
|
|
}
|
|
|
|
|
|
/// These are matched in order
|
|
|
const GLOB_REPLACEMENTS: &[(&[u8], &[u8])] =
|
|
|
&[(b"*/", b"(?:.*/)?"), (b"*", b".*"), (b"", b"[^/]*")];
|
|
|
|
|
|
/// Appended to the regexp of globs
|
|
|
const GLOB_SUFFIX: &[u8; 7] = b"(?:/|$)";
|
|
|
|
|
|
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
|
|
|
pub enum PatternSyntax {
|
|
|
/// A regular expression
|
|
|
Regexp,
|
|
|
/// Glob that matches at the front of the path
|
|
|
RootGlob,
|
|
|
/// Glob that matches at any suffix of the path (still anchored at
|
|
|
/// slashes)
|
|
|
Glob,
|
|
|
/// a path relative to repository root, which is matched recursively
|
|
|
Path,
|
|
|
/// A path relative to cwd
|
|
|
RelPath,
|
|
|
/// an unrooted glob (*.rs matches Rust files in all dirs)
|
|
|
RelGlob,
|
|
|
/// A regexp that needn't match the start of a name
|
|
|
RelRegexp,
|
|
|
/// A path relative to repository root, which is matched non-recursively
|
|
|
/// (will not match subdirectories)
|
|
|
RootFiles,
|
|
|
/// A file of patterns to read and include
|
|
|
Include,
|
|
|
/// A file of patterns to match against files under the same directory
|
|
|
SubInclude,
|
|
|
}
|
|
|
|
|
|
/// Transforms a glob pattern into a regex
|
|
|
fn glob_to_re(pat: &[u8]) -> Vec<u8> {
|
|
|
let mut input = pat;
|
|
|
let mut res: Vec<u8> = vec![];
|
|
|
let mut group_depth = 0;
|
|
|
|
|
|
while let Some((c, rest)) = input.split_first() {
|
|
|
input = rest;
|
|
|
|
|
|
match c {
|
|
|
b'*' => {
|
|
|
for (source, repl) in GLOB_REPLACEMENTS {
|
|
|
if let Some(rest) = input.drop_prefix(source) {
|
|
|
input = rest;
|
|
|
res.extend(*repl);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
b'?' => res.extend(b"."),
|
|
|
b'[' => {
|
|
|
match input.iter().skip(1).position(|b| *b == b']') {
|
|
|
None => res.extend(b"\\["),
|
|
|
Some(end) => {
|
|
|
// Account for the one we skipped
|
|
|
let end = end + 1;
|
|
|
|
|
|
res.extend(b"[");
|
|
|
|
|
|
for (i, b) in input[..end].iter().enumerate() {
|
|
|
if *b == b'!' && i == 0 {
|
|
|
res.extend(b"^")
|
|
|
} else if *b == b'^' && i == 0 {
|
|
|
res.extend(b"\\^")
|
|
|
} else if *b == b'\\' {
|
|
|
res.extend(b"\\\\")
|
|
|
} else {
|
|
|
res.push(*b)
|
|
|
}
|
|
|
}
|
|
|
res.extend(b"]");
|
|
|
input = &input[end + 1..];
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
b'{' => {
|
|
|
group_depth += 1;
|
|
|
res.extend(b"(?:")
|
|
|
}
|
|
|
b'}' if group_depth > 0 => {
|
|
|
group_depth -= 1;
|
|
|
res.extend(b")");
|
|
|
}
|
|
|
b',' if group_depth > 0 => res.extend(b"|"),
|
|
|
b'\\' => {
|
|
|
let c = {
|
|
|
if let Some((c, rest)) = input.split_first() {
|
|
|
input = rest;
|
|
|
c
|
|
|
} else {
|
|
|
c
|
|
|
}
|
|
|
};
|
|
|
res.extend(&RE_ESCAPE[*c as usize])
|
|
|
}
|
|
|
_ => res.extend(&RE_ESCAPE[*c as usize]),
|
|
|
}
|
|
|
}
|
|
|
res
|
|
|
}
|
|
|
|
|
|
fn escape_pattern(pattern: &[u8]) -> Vec<u8> {
|
|
|
pattern
|
|
|
.iter()
|
|
|
.flat_map(|c| RE_ESCAPE[*c as usize].clone())
|
|
|
.collect()
|
|
|
}
|
|
|
|
|
|
pub fn parse_pattern_syntax(
|
|
|
kind: &[u8],
|
|
|
) -> Result<PatternSyntax, PatternError> {
|
|
|
match kind {
|
|
|
b"re:" => Ok(PatternSyntax::Regexp),
|
|
|
b"path:" => Ok(PatternSyntax::Path),
|
|
|
b"relpath:" => Ok(PatternSyntax::RelPath),
|
|
|
b"rootfilesin:" => Ok(PatternSyntax::RootFiles),
|
|
|
b"relglob:" => Ok(PatternSyntax::RelGlob),
|
|
|
b"relre:" => Ok(PatternSyntax::RelRegexp),
|
|
|
b"glob:" => Ok(PatternSyntax::Glob),
|
|
|
b"rootglob:" => Ok(PatternSyntax::RootGlob),
|
|
|
b"include:" => Ok(PatternSyntax::Include),
|
|
|
b"subinclude:" => Ok(PatternSyntax::SubInclude),
|
|
|
_ => Err(PatternError::UnsupportedSyntax(
|
|
|
String::from_utf8_lossy(kind).to_string(),
|
|
|
)),
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// Builds the regex that corresponds to the given pattern.
|
|
|
/// If within a `syntax: regexp` context, returns the pattern,
|
|
|
/// otherwise, returns the corresponding regex.
|
|
|
fn _build_single_regex(entry: &IgnorePattern) -> Vec<u8> {
|
|
|
let IgnorePattern {
|
|
|
syntax, pattern, ..
|
|
|
} = entry;
|
|
|
if pattern.is_empty() {
|
|
|
return vec![];
|
|
|
}
|
|
|
match syntax {
|
|
|
PatternSyntax::Regexp => pattern.to_owned(),
|
|
|
PatternSyntax::RelRegexp => {
|
|
|
// The `regex` crate accepts `**` while `re2` and Python's `re`
|
|
|
// do not. Checking for `*` correctly triggers the same error all
|
|
|
// engines.
|
|
|
if pattern[0] == b'^' || pattern[0] == b'*' {
|
|
|
return pattern.to_owned();
|
|
|
}
|
|
|
[&b".*"[..], pattern].concat()
|
|
|
}
|
|
|
PatternSyntax::Path | PatternSyntax::RelPath => {
|
|
|
if pattern == b"." {
|
|
|
return vec![];
|
|
|
}
|
|
|
[escape_pattern(pattern).as_slice(), b"(?:/|$)"].concat()
|
|
|
}
|
|
|
PatternSyntax::RootFiles => {
|
|
|
let mut res = if pattern == b"." {
|
|
|
vec![]
|
|
|
} else {
|
|
|
// Pattern is a directory name.
|
|
|
[escape_pattern(pattern).as_slice(), b"/"].concat()
|
|
|
};
|
|
|
|
|
|
// Anything after the pattern must be a non-directory.
|
|
|
res.extend(b"[^/]+$");
|
|
|
res
|
|
|
}
|
|
|
PatternSyntax::RelGlob => {
|
|
|
let glob_re = glob_to_re(pattern);
|
|
|
if let Some(rest) = glob_re.drop_prefix(b"[^/]*") {
|
|
|
[b".*", rest, GLOB_SUFFIX].concat()
|
|
|
} else {
|
|
|
[b"(?:.*/)?", glob_re.as_slice(), GLOB_SUFFIX].concat()
|
|
|
}
|
|
|
}
|
|
|
PatternSyntax::Glob | PatternSyntax::RootGlob => {
|
|
|
[glob_to_re(pattern).as_slice(), GLOB_SUFFIX].concat()
|
|
|
}
|
|
|
PatternSyntax::Include | PatternSyntax::SubInclude => unreachable!(),
|
|
|
}
|
|
|
}
|
|
|
|
|
|
const GLOB_SPECIAL_CHARACTERS: [u8; 7] =
|
|
|
[b'*', b'?', b'[', b']', b'{', b'}', b'\\'];
|
|
|
|
|
|
/// TODO support other platforms
|
|
|
#[cfg(unix)]
|
|
|
pub fn normalize_path_bytes(bytes: &[u8]) -> Vec<u8> {
|
|
|
if bytes.is_empty() {
|
|
|
return b".".to_vec();
|
|
|
}
|
|
|
let sep = b'/';
|
|
|
|
|
|
let mut initial_slashes = bytes.iter().take_while(|b| **b == sep).count();
|
|
|
if initial_slashes > 2 {
|
|
|
// POSIX allows one or two initial slashes, but treats three or more
|
|
|
// as single slash.
|
|
|
initial_slashes = 1;
|
|
|
}
|
|
|
let components = bytes
|
|
|
.split(|b| *b == sep)
|
|
|
.filter(|c| !(c.is_empty() || c == b"."))
|
|
|
.fold(vec![], |mut acc, component| {
|
|
|
if component != b".."
|
|
|
|| (initial_slashes == 0 && acc.is_empty())
|
|
|
|| (!acc.is_empty() && acc[acc.len() - 1] == b"..")
|
|
|
{
|
|
|
acc.push(component)
|
|
|
} else if !acc.is_empty() {
|
|
|
acc.pop();
|
|
|
}
|
|
|
acc
|
|
|
});
|
|
|
let mut new_bytes = components.join(&sep);
|
|
|
|
|
|
if initial_slashes > 0 {
|
|
|
let mut buf: Vec<_> = (0..initial_slashes).map(|_| sep).collect();
|
|
|
buf.extend(new_bytes);
|
|
|
new_bytes = buf;
|
|
|
}
|
|
|
if new_bytes.is_empty() {
|
|
|
b".".to_vec()
|
|
|
} else {
|
|
|
new_bytes
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// Wrapper function to `_build_single_regex` that short-circuits 'exact' globs
|
|
|
/// that don't need to be transformed into a regex.
|
|
|
pub fn build_single_regex(
|
|
|
entry: &IgnorePattern,
|
|
|
) -> Result<Option<Vec<u8>>, PatternError> {
|
|
|
let IgnorePattern {
|
|
|
pattern, syntax, ..
|
|
|
} = entry;
|
|
|
let pattern = match syntax {
|
|
|
PatternSyntax::RootGlob
|
|
|
| PatternSyntax::Path
|
|
|
| PatternSyntax::RelGlob
|
|
|
| PatternSyntax::RootFiles => normalize_path_bytes(&pattern),
|
|
|
PatternSyntax::Include | PatternSyntax::SubInclude => {
|
|
|
return Err(PatternError::NonRegexPattern(entry.clone()))
|
|
|
}
|
|
|
_ => pattern.to_owned(),
|
|
|
};
|
|
|
if *syntax == PatternSyntax::RootGlob
|
|
|
&& !pattern.iter().any(|b| GLOB_SPECIAL_CHARACTERS.contains(b))
|
|
|
{
|
|
|
Ok(None)
|
|
|
} else {
|
|
|
let mut entry = entry.clone();
|
|
|
entry.pattern = pattern;
|
|
|
Ok(Some(_build_single_regex(&entry)))
|
|
|
}
|
|
|
}
|
|
|
|
|
|
lazy_static! {
|
|
|
static ref SYNTAXES: FastHashMap<&'static [u8], &'static [u8]> = {
|
|
|
let mut m = FastHashMap::default();
|
|
|
|
|
|
m.insert(b"re".as_ref(), b"relre:".as_ref());
|
|
|
m.insert(b"regexp".as_ref(), b"relre:".as_ref());
|
|
|
m.insert(b"glob".as_ref(), b"relglob:".as_ref());
|
|
|
m.insert(b"rootglob".as_ref(), b"rootglob:".as_ref());
|
|
|
m.insert(b"include".as_ref(), b"include:".as_ref());
|
|
|
m.insert(b"subinclude".as_ref(), b"subinclude:".as_ref());
|
|
|
m
|
|
|
};
|
|
|
}
|
|
|
|
|
|
#[derive(Debug)]
|
|
|
pub enum PatternFileWarning {
|
|
|
/// (file path, syntax bytes)
|
|
|
InvalidSyntax(PathBuf, Vec<u8>),
|
|
|
/// File path
|
|
|
NoSuchFile(PathBuf),
|
|
|
}
|
|
|
|
|
|
pub fn parse_pattern_file_contents<P: AsRef<Path>>(
|
|
|
lines: &[u8],
|
|
|
file_path: P,
|
|
|
warn: bool,
|
|
|
) -> Result<(Vec<IgnorePattern>, Vec<PatternFileWarning>), PatternError> {
|
|
|
let comment_regex = Regex::new(r"((?:^|[^\\])(?:\\\\)*)#.*").unwrap();
|
|
|
let comment_escape_regex = Regex::new(r"\\#").unwrap();
|
|
|
let mut inputs: Vec<IgnorePattern> = vec![];
|
|
|
let mut warnings: Vec<PatternFileWarning> = vec![];
|
|
|
|
|
|
let mut current_syntax = b"relre:".as_ref();
|
|
|
|
|
|
for (line_number, mut line) in lines.split(|c| *c == b'\n').enumerate() {
|
|
|
let line_number = line_number + 1;
|
|
|
|
|
|
let line_buf;
|
|
|
if line.contains(&b'#') {
|
|
|
if let Some(cap) = comment_regex.captures(line) {
|
|
|
line = &line[..cap.get(1).unwrap().end()]
|
|
|
}
|
|
|
line_buf = comment_escape_regex.replace_all(line, NoExpand(b"#"));
|
|
|
line = &line_buf;
|
|
|
}
|
|
|
|
|
|
let mut line = line.trim_end();
|
|
|
|
|
|
if line.is_empty() {
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
if let Some(syntax) = line.drop_prefix(b"syntax:") {
|
|
|
let syntax = syntax.trim();
|
|
|
|
|
|
if let Some(rel_syntax) = SYNTAXES.get(syntax) {
|
|
|
current_syntax = rel_syntax;
|
|
|
} else if warn {
|
|
|
warnings.push(PatternFileWarning::InvalidSyntax(
|
|
|
file_path.as_ref().to_owned(),
|
|
|
syntax.to_owned(),
|
|
|
));
|
|
|
}
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
let mut line_syntax: &[u8] = ¤t_syntax;
|
|
|
|
|
|
for (s, rels) in SYNTAXES.iter() {
|
|
|
if let Some(rest) = line.drop_prefix(rels) {
|
|
|
line_syntax = rels;
|
|
|
line = rest;
|
|
|
break;
|
|
|
}
|
|
|
if let Some(rest) = line.drop_prefix(&[s, &b":"[..]].concat()) {
|
|
|
line_syntax = rels;
|
|
|
line = rest;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
inputs.push(IgnorePattern::new(
|
|
|
parse_pattern_syntax(&line_syntax).map_err(|e| match e {
|
|
|
PatternError::UnsupportedSyntax(syntax) => {
|
|
|
PatternError::UnsupportedSyntaxInFile(
|
|
|
syntax,
|
|
|
file_path.as_ref().to_string_lossy().into(),
|
|
|
line_number,
|
|
|
)
|
|
|
}
|
|
|
_ => e,
|
|
|
})?,
|
|
|
&line,
|
|
|
&file_path,
|
|
|
));
|
|
|
}
|
|
|
Ok((inputs, warnings))
|
|
|
}
|
|
|
|
|
|
pub fn read_pattern_file<P: AsRef<Path>>(
|
|
|
file_path: P,
|
|
|
warn: bool,
|
|
|
) -> Result<(Vec<IgnorePattern>, Vec<PatternFileWarning>), PatternError> {
|
|
|
let mut f = match File::open(file_path.as_ref()) {
|
|
|
Ok(f) => Ok(f),
|
|
|
Err(e) => match e.kind() {
|
|
|
std::io::ErrorKind::NotFound => {
|
|
|
return Ok((
|
|
|
vec![],
|
|
|
vec![PatternFileWarning::NoSuchFile(
|
|
|
file_path.as_ref().to_owned(),
|
|
|
)],
|
|
|
))
|
|
|
}
|
|
|
_ => Err(e),
|
|
|
},
|
|
|
}?;
|
|
|
let mut contents = Vec::new();
|
|
|
|
|
|
f.read_to_end(&mut contents)?;
|
|
|
|
|
|
Ok(parse_pattern_file_contents(&contents, file_path, warn)?)
|
|
|
}
|
|
|
|
|
|
/// Represents an entry in an "ignore" file.
|
|
|
#[derive(Debug, Eq, PartialEq, Clone)]
|
|
|
pub struct IgnorePattern {
|
|
|
pub syntax: PatternSyntax,
|
|
|
pub pattern: Vec<u8>,
|
|
|
pub source: PathBuf,
|
|
|
}
|
|
|
|
|
|
impl IgnorePattern {
|
|
|
pub fn new(
|
|
|
syntax: PatternSyntax,
|
|
|
pattern: &[u8],
|
|
|
source: impl AsRef<Path>,
|
|
|
) -> Self {
|
|
|
Self {
|
|
|
syntax,
|
|
|
pattern: pattern.to_owned(),
|
|
|
source: source.as_ref().to_owned(),
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
pub type PatternResult<T> = Result<T, PatternError>;
|
|
|
|
|
|
/// Wrapper for `read_pattern_file` that also recursively expands `include:`
|
|
|
/// patterns.
|
|
|
///
|
|
|
/// `subinclude:` is not treated as a special pattern here: unraveling them
|
|
|
/// needs to occur in the "ignore" phase.
|
|
|
pub fn get_patterns_from_file(
|
|
|
pattern_file: impl AsRef<Path>,
|
|
|
root_dir: impl AsRef<Path>,
|
|
|
) -> PatternResult<(Vec<IgnorePattern>, Vec<PatternFileWarning>)> {
|
|
|
let (patterns, mut warnings) = read_pattern_file(&pattern_file, true)?;
|
|
|
let patterns = patterns
|
|
|
.into_iter()
|
|
|
.flat_map(|entry| -> PatternResult<_> {
|
|
|
let IgnorePattern {
|
|
|
syntax,
|
|
|
pattern,
|
|
|
source: _,
|
|
|
} = &entry;
|
|
|
Ok(match syntax {
|
|
|
PatternSyntax::Include => {
|
|
|
let inner_include =
|
|
|
root_dir.as_ref().join(get_path_from_bytes(&pattern));
|
|
|
let (inner_pats, inner_warnings) = get_patterns_from_file(
|
|
|
&inner_include,
|
|
|
root_dir.as_ref(),
|
|
|
)?;
|
|
|
warnings.extend(inner_warnings);
|
|
|
inner_pats
|
|
|
}
|
|
|
_ => vec![entry],
|
|
|
})
|
|
|
})
|
|
|
.flatten()
|
|
|
.collect();
|
|
|
|
|
|
Ok((patterns, warnings))
|
|
|
}
|
|
|
|
|
|
/// Holds all the information needed to handle a `subinclude:` pattern.
|
|
|
pub struct SubInclude {
|
|
|
/// Will be used for repository (hg) paths that start with this prefix.
|
|
|
/// It is relative to the current working directory, so comparing against
|
|
|
/// repository paths is painless.
|
|
|
pub prefix: HgPathBuf,
|
|
|
/// The file itself, containing the patterns
|
|
|
pub path: PathBuf,
|
|
|
/// Folder in the filesystem where this it applies
|
|
|
pub root: PathBuf,
|
|
|
}
|
|
|
|
|
|
impl SubInclude {
|
|
|
pub fn new(
|
|
|
root_dir: impl AsRef<Path>,
|
|
|
pattern: &[u8],
|
|
|
source: impl AsRef<Path>,
|
|
|
) -> Result<SubInclude, HgPathError> {
|
|
|
let normalized_source =
|
|
|
normalize_path_bytes(&get_bytes_from_path(source));
|
|
|
|
|
|
let source_root = get_path_from_bytes(&normalized_source);
|
|
|
let source_root = source_root.parent().unwrap_or(source_root.deref());
|
|
|
|
|
|
let path = source_root.join(get_path_from_bytes(pattern));
|
|
|
let new_root = path.parent().unwrap_or(path.deref());
|
|
|
|
|
|
let prefix = canonical_path(&root_dir, &root_dir, new_root)?;
|
|
|
|
|
|
Ok(Self {
|
|
|
prefix: path_to_hg_path_buf(prefix).and_then(|mut p| {
|
|
|
if !p.is_empty() {
|
|
|
p.push(b'/');
|
|
|
}
|
|
|
Ok(p)
|
|
|
})?,
|
|
|
path: path.to_owned(),
|
|
|
root: new_root.to_owned(),
|
|
|
})
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// Separate and pre-process subincludes from other patterns for the "ignore"
|
|
|
/// phase.
|
|
|
pub fn filter_subincludes(
|
|
|
ignore_patterns: &[IgnorePattern],
|
|
|
root_dir: impl AsRef<Path>,
|
|
|
) -> Result<(Vec<SubInclude>, Vec<&IgnorePattern>), HgPathError> {
|
|
|
let mut subincludes = vec![];
|
|
|
let mut others = vec![];
|
|
|
|
|
|
for ignore_pattern in ignore_patterns.iter() {
|
|
|
let IgnorePattern {
|
|
|
syntax,
|
|
|
pattern,
|
|
|
source,
|
|
|
} = ignore_pattern;
|
|
|
if *syntax == PatternSyntax::SubInclude {
|
|
|
subincludes.push(SubInclude::new(&root_dir, pattern, &source)?);
|
|
|
} else {
|
|
|
others.push(ignore_pattern)
|
|
|
}
|
|
|
}
|
|
|
Ok((subincludes, others))
|
|
|
}
|
|
|
|
|
|
#[cfg(test)]
|
|
|
mod tests {
|
|
|
use super::*;
|
|
|
use pretty_assertions::assert_eq;
|
|
|
|
|
|
#[test]
|
|
|
fn escape_pattern_test() {
|
|
|
let untouched =
|
|
|
br#"!"%',/0123456789:;<=>@ABCDEFGHIJKLMNOPQRSTUVWXYZ_`abcdefghijklmnopqrstuvwxyz"#;
|
|
|
assert_eq!(escape_pattern(untouched), untouched.to_vec());
|
|
|
// All escape codes
|
|
|
assert_eq!(
|
|
|
escape_pattern(br#"()[]{}?*+-|^$\\.&~# \t\n\r\v\f"#),
|
|
|
br#"\(\)\[\]\{\}\?\*\+\-\|\^\$\\\\\.\&\~\#\ \\t\\n\\r\\v\\f"#
|
|
|
.to_vec()
|
|
|
);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn glob_test() {
|
|
|
assert_eq!(glob_to_re(br#"?"#), br#"."#);
|
|
|
assert_eq!(glob_to_re(br#"*"#), br#"[^/]*"#);
|
|
|
assert_eq!(glob_to_re(br#"**"#), br#".*"#);
|
|
|
assert_eq!(glob_to_re(br#"**/a"#), br#"(?:.*/)?a"#);
|
|
|
assert_eq!(glob_to_re(br#"a/**/b"#), br#"a/(?:.*/)?b"#);
|
|
|
assert_eq!(glob_to_re(br#"[a*?!^][^b][!c]"#), br#"[a*?!^][\^b][^c]"#);
|
|
|
assert_eq!(glob_to_re(br#"{a,b}"#), br#"(?:a|b)"#);
|
|
|
assert_eq!(glob_to_re(br#".\*\?"#), br#"\.\*\?"#);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_parse_pattern_file_contents() {
|
|
|
let lines = b"syntax: glob\n*.elc";
|
|
|
|
|
|
assert_eq!(
|
|
|
parse_pattern_file_contents(lines, Path::new("file_path"), false)
|
|
|
.unwrap()
|
|
|
.0,
|
|
|
vec![IgnorePattern::new(
|
|
|
PatternSyntax::RelGlob,
|
|
|
b"*.elc",
|
|
|
Path::new("file_path")
|
|
|
)],
|
|
|
);
|
|
|
|
|
|
let lines = b"syntax: include\nsyntax: glob";
|
|
|
|
|
|
assert_eq!(
|
|
|
parse_pattern_file_contents(lines, Path::new("file_path"), false)
|
|
|
.unwrap()
|
|
|
.0,
|
|
|
vec![]
|
|
|
);
|
|
|
let lines = b"glob:**.o";
|
|
|
assert_eq!(
|
|
|
parse_pattern_file_contents(lines, Path::new("file_path"), false)
|
|
|
.unwrap()
|
|
|
.0,
|
|
|
vec![IgnorePattern::new(
|
|
|
PatternSyntax::RelGlob,
|
|
|
b"**.o",
|
|
|
Path::new("file_path")
|
|
|
)]
|
|
|
);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_build_single_regex() {
|
|
|
assert_eq!(
|
|
|
build_single_regex(&IgnorePattern::new(
|
|
|
PatternSyntax::RelGlob,
|
|
|
b"rust/target/",
|
|
|
Path::new("")
|
|
|
))
|
|
|
.unwrap(),
|
|
|
Some(br"(?:.*/)?rust/target(?:/|$)".to_vec()),
|
|
|
);
|
|
|
}
|
|
|
|
|
|
#[test]
|
|
|
fn test_build_single_regex_shortcut() {
|
|
|
assert_eq!(
|
|
|
build_single_regex(&IgnorePattern::new(
|
|
|
PatternSyntax::RootGlob,
|
|
|
b"",
|
|
|
Path::new("")
|
|
|
))
|
|
|
.unwrap(),
|
|
|
None,
|
|
|
);
|
|
|
assert_eq!(
|
|
|
build_single_regex(&IgnorePattern::new(
|
|
|
PatternSyntax::RootGlob,
|
|
|
b"whatever",
|
|
|
Path::new("")
|
|
|
))
|
|
|
.unwrap(),
|
|
|
None,
|
|
|
);
|
|
|
assert_eq!(
|
|
|
build_single_regex(&IgnorePattern::new(
|
|
|
PatternSyntax::RootGlob,
|
|
|
b"*.o",
|
|
|
Path::new("")
|
|
|
))
|
|
|
.unwrap(),
|
|
|
Some(br"^[^/]*\.o(?:/|$)".to_vec()),
|
|
|
);
|
|
|
}
|
|
|
}
|
|
|
|
