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ripgrep: add --ignore-file-case-insensitive

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The --ignore-file-case-insensitive flag causes all
.gitignore/.rgignore/.ignore files to have their globs matched without
regard for case. Because this introduces a potentially significant
performance regression, this is always disabled by default. Users that
need case insensitive matching can enable it on a case by case basis.

Closes #1164, Closes #1170
This commit is contained in:
David Torosyan
2019-01-20 17:32:34 -08:00
committed by Andrew Gallant
parent 7cbc535d70
commit 718a00f6f2
10 changed files with 156 additions and 21 deletions
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49
ignore/src/gitignore.rs
View File

@@ -127,16 +127,7 @@ impl Gitignore {
/// `$XDG_CONFIG_HOME/git/ignore` is read. If `$XDG_CONFIG_HOME` is not
/// set or is empty, then `$HOME/.config/git/ignore` is used instead.
pub fn global() -> (Gitignore, Option<Error>) {
match gitconfig_excludes_path() {
None => (Gitignore::empty(), None),
Some(path) => {
if !path.is_file() {
(Gitignore::empty(), None)
} else {
Gitignore::new(path)
}
}
}
GitignoreBuilder::new("").build_global()
}
/// Creates a new empty gitignore matcher that never matches anything.
@@ -359,6 +350,36 @@ impl GitignoreBuilder {
})
}
/// Build a global gitignore matcher using the configuration in this
/// builder.
///
/// This consumes ownership of the builder unlike `build` because it
/// must mutate the builder to add the global gitignore globs.
///
/// Note that this ignores the path given to this builder's constructor
/// and instead derives the path automatically from git's global
/// configuration.
pub fn build_global(mut self) -> (Gitignore, Option<Error>) {
match gitconfig_excludes_path() {
None => (Gitignore::empty(), None),
Some(path) => {
if !path.is_file() {
(Gitignore::empty(), None)
} else {
let mut errs = PartialErrorBuilder::default();
errs.maybe_push_ignore_io(self.add(path));
match self.build() {
Ok(gi) => (gi, errs.into_error_option()),
Err(err) => {
errs.push(err);
(Gitignore::empty(), errs.into_error_option())
}
}
}
}
}
}
/// Add each glob from the file path given.
///
/// The file given should be formatted as a `gitignore` file.
@@ -505,12 +526,16 @@ impl GitignoreBuilder {
/// Toggle whether the globs should be matched case insensitively or not.
///
/// When this option is changed, only globs added after the change will be affected.
/// When this option is changed, only globs added after the change will be
/// affected.
///
/// This is disabled by default.
pub fn case_insensitive(
&mut self, yes: bool
&mut self,
yes: bool,
) -> Result<&mut GitignoreBuilder, Error> {
// TODO: This should not return a `Result`. Fix this in the next semver
// release.
self.case_insensitive = yes;
Ok(self)
}