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This method was supposed to panic whenever the given path wasn't under
the root of the gitignore patcher. Instead of using assert!, it was using
debug_assert!. This actually caused tests to fail when running under
release mode, because the debug_assert! wouldn't trip.
Fixes #671
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This commit updates the logic for finding the value of git's
`core.excludesFile` configuration parameter. Namely, we now check
`$XDG_CONFIG_DIR/git/config` in addition to `$HOME/.gitconfig` (where
the latter overrules the former on a knob-by-knob basis).
Fixes #995
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Upstream deprecated env::home_dir because of minor bugs in some corner
cases. We should probably eventually migrate to a correct implementation
in the `dirs` crate, but using the buggy version is just fine for now.
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This commit updates the OverrideBuilder and GitignoreBuilder docs
for the case_insensitive method, denoting that it must be called before
adding any patterns.
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This commit makes Gitignore::empty a bit faster by avoiding allocation
and manually specializing the implementation instead of routing it through
the GitignoreBuilder.
This helps improve uses of ripgrep that traverse *many* directories, and
in particular, when the use of ignores is disabled via command line
switches.
Fixes #835, Closes #836
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Use the new `Globset::backslash_escape` knob to conform to git behavior:
`\` will escape the following character. For example, the pattern `\*`
will match a file literally named `*`.
Also tweak a test in ripgrep that was relying on this incorrect
behavior.
Closes #526, Closes #811
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This commit fixes a bug where `rg --hidden .` would behave differently
with respect to ignore filtering than `rg --hidden ./`. In particular,
this was due to a bug where the directory name `.` caused the leading
`.` in a hidden directory to get stripped, which in turn caused the
ignore rules to fail.
Fixes #807
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This commit makes handling of patterns containing a `/`
match actual git behaviour and the specification written
in `man gitignore`.
Fixes #761
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When processing a rule that ends in a slash, we strip it off and set the
`is_only_dir` flag. We then apply the rule that paths that aren't
absolute should be given an implicit `**/` prefix, while avoiding
adding that prefix if it already exists.
However, this means that we miss the case in which we had already
stripped off the trailing slash and set `is_only_dir`. Correct this
by also explicitly checking for that case.
Fixes #649
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In `matched_path_or_any_parents()` implementation, we missed the point
that when we start walking up the tree, we have to set `is_dir` to
`true`, so path `ROOT/a/b/c` matches pattern `/a/`, although the
original path is not a dir.
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[ignore] tests and new matched_path_or_any_parents method
The test data (gitignore rules and expected result) is based on the test
repo at <https://github.com/behnam/gitignore-test>.
The new `matched_path_or_any_parents` method fixes a bug
in gitignore matching where rules of form `<dir>/*` result in ignoring
only first-level files, but no deep files. This is not correct, as `<dir>/*`
matches the first-level directories under `<dir>`, resulting all to be
ignored. The new method fixes it by trying to match all parents in the
path against the gitignore rules.
The new method is necessary because it necessarily entails a
performance hit for trying to match all parents.
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Working with Chris Stadler, implemented
https://github.com/BurntSushi/ripgrep/issues/163#issuecomment-300012592
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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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When writing paths like `!/foo` in gitignore files (or when using the
-g/--glob flag), the presence of `!` would prevent the gitignore builder
from noticing the leading slash, which causes absolute path matching to
fail.
Fixes #405
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The documentation says:
> If `$XDG_CONFIG_HOME` is not set or is empty, then
> `$HOME/.config/git/ignore` is used instead.
This is the expected behavior, but the code looked at ~/git/ignore
instead.
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Thanks @steveklabnik!
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Namely, passing a directory to --ignore-file caused ripgrep to allocate
memory without bound.
The issue was that I got a bit overzealous with partial error
reporting. Namely, when processing a gitignore file, we should try
to use every pattern even if some patterns are invalid globs (e.g.,
a**b). In the process, I applied the same logic to I/O errors. In this
case, it manifest by attempting to read lines from a directory, which
appears to yield Results forever, where each Result is an error of the
form "you can't read from a directory silly." Since I treated it as a
partial error, ripgrep was just spinning and accruing each error in
memory, which caused the OOM killer to kick in.
Fixes #228
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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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