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This commit makes the ErrorKind enum extensible by adding a
__Nonexhaustive variant. Callers should use this as a hint that
exhaustive case analysis isn't possible in a stable way since new
variants may be added in the future without a semver bump.
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From `man 7 glob`:
One can remove the special meaning of '?', '*' and '[' by preceding
them by a backslash, or, in case this is part of a shell command
line, enclosing them in quotes.
Conform to glob / fnmatch / git implementations by making `\` escape the
following character - for example `\?` will match a literal `?`.
However, only enable this by default on Unix platforms. Windows builds
will continue to use `\` as a path separator, but can still get the new
behavior by calling `globset.backslash_escape(true)`.
Adding tests for the `Globset::backslash_escape` option was a bit
involved, since the default value of this option is platform-dependent.
Extend the options framework to hold an `Option<T>` for each
knob, where `None` means "default" and `Some(v)` means "override with
`v`". This way we only have to specify the default values once in
`GlobOptions::default()` rather than replicated in both code and tests.
Finally write a few behavioral tests, and some tests to confirm it
varies by platform.
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This commit removes, in retrospect, a silly use of `unsafe`. In particular,
to extract a file name extension (distinct from how `std` implements it),
we were transmuting an OsStr to its underlying WTF-8 byte representation
and then searching that. This required `unsafe` and relied on an
undocumented std API, so it was a bad choice to make, but everything gets
sacrificed at the Alter of Performance.
The thing I didn't seem to realize at the time was that:
1. On Unix, you can already get the raw byte representation in a manner
that has zero cost.
2. On Windows, paths are already being encoded and copied every which
way. So doing a UTF-8 check and, in rare cases (for invalid UTF-8),
an extra copy, doesn't seem like that much more of an added expense.
Thus, rewrite the extension extraction using safe APIs. On Unix, this
should have identical performance characteristics as the previous
implementation. On Windows, we do pay a higher cost in the UTF-8
check, but Windows is already paying a similar cost a few times over
anyway.
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This adds a few tests that check for bugs reported here:
https://github.com/rust-lang/cargo/issues/4268
The bugs reported in the aforementioned issue are probably caused by not
enabling the `literal_separator` option in `GlobBuilder`. Enabling that
in the tests under question fixes the issue.
Closes #773
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This commit updates the `log` crate to 0.4 and drops the dependency on
env_logger. In particular, the latest version of env_logger brings in
additional non-optional dependencies such as chrono that I don't think is
worth including into ripgrep.
It turns out ripgrep doesn't need any fancy logging. We just need a concept
of log levels and the ability to print to stderr. Therefore, we just roll
our own super simple logger.
This update is motivated by the persistent configuration task. In
particular, we need the ability to toggle the global log level more than
once, and this doesn't appear to be possible with older versions of the
log crate.
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Adds support for [^...] class negation in globs for parity with git, &al.
Fixes #663
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The `ignore` and `globset` crates both got breaking changes in the
course of fixing #444, so increase 0.x to 0.(x+1).
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This threads the original glob given by end users through all of the
glob parsing errors. This was slightly trickier than it might appear
because the gitignore implementation actually modifies the glob before
compiling it. So in order to get better glob error messages everywhere,
we need to track the original glob both in the glob parser and in the
higher-level abstractions in the `ignore` crate.
Fixes #444
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Fixes #381
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Fixes #391.
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fields.
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Fixes #277
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This flag is similar to what's found in grep: it will suppress all error
messages, such as those shown when a particular file couldn't be read.
Closes #149
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This PR introduces a new sub-crate, `ignore`, which primarily provides a
fast recursive directory iterator that respects ignore files like
gitignore and other configurable filtering rules based on globs or even
file types.
This results in a substantial source of complexity moved out of ripgrep's
core and into a reusable component that others can now (hopefully)
benefit from.
While much of the ignore code carried over from ripgrep's core, a
substantial portion of it was rewritten with the following goals in
mind:
1. Reuse matchers built from gitignore files across directory iteration.
2. Design the matcher data structure to be amenable for parallelizing
directory iteration. (Indeed, writing the parallel iterator is the
next step.)
Fixes #9, #44, #45
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This commit completes the initial move of glob matching to an external
crate, including fixing up cross platform support, polishing the
external crate for others to use and fixing a number of bugs in the
process.
Fixes #87, #127, #131
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This commit goes a long way toward refactoring glob sets so that the
code is easier to maintain going forward. In particular, it makes the
literal optimizations that glob sets used a lot more structured and much
easier to extend. Tests have also been modified to include glob sets.
There's still a bit of polish work left to do before a release.
This also fixes the immediate issue where large gitignore files were
causing ripgrep to slow way down. While we don't technically fix it for
good, we're a lot better about reducing the number of regexes we
compile. In particular, if a gitignore file contains thousands of
patterns that can't be matched more simply using literals, then ripgrep
will slow down again. We could fix this for good by avoiding RegexSet if
the number of regexes grows too large.
Fixes #134.
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It is isolated and complex enough that it deserves attention all on its
own. It's also eminently reusable.
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