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This permits setting the maximum line width with respect to the number
of bytes in a line. Omitted lines (whether part of a match, replacement
or context) are replaced with a message stating that the line was
elided.
Fixes #129
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Fixes #345.
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Fixes #340
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This changes the default behavior of ripgrep to *not* show line numbers
when it is printing to a tty and is only searching stdin.
Fixes #380
[breaking-change]
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It's not clear what exactly is happening here, but the Read implementation
for text decoding appears a bit sensitive. Small pertubations in the code
appear to have a nearly 100% impact on the overall speed of ripgrep when
searching UTF-16 files.
I haven't had the time to examine the generated code in detail, but
`perf stat` seems to think that the instruction cache is performing a lot
worse when the code slows down. This might mean that excessive inlining
causes a different code structure that leads to less-than-optimal icache
usage, but it's at best a guess.
Explicitly disabling the inline for the cold path seems to help the
optimizer figure out the right thing.
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This includes, but is not limited to, UTF-16, latin-1, GBK, EUC-JP and
Shift_JIS. (Courtesy of the `encoding_rs` crate.)
Specifically, this feature enables ripgrep to search files that are
encoded in an encoding other than UTF-8. The list of available encodings
is tied directly to what the `encoding_rs` crate supports, which is in
turn tied to the Encoding Standard. The full list of available encodings
can be found here: https://encoding.spec.whatwg.org/#concept-encoding-get
This pull request also introduces the notion that text encodings can be
automatically detected on a best effort basis. Currently, the only
support for this is checking for a UTF-16 bom. In all other cases, a
text encoding of `auto` (the default) implies a UTF-8 or ASCII
compatible source encoding. When a text encoding is otherwise specified,
it is unconditionally used for all files searched.
Since ripgrep's regex engine is fundamentally built on top of UTF-8,
this feature works by transcoding the files to be searched from their
source encoding to UTF-8. This transcoding only happens when:
1. `auto` is specified and a non-UTF-8 encoding is detected.
2. A specific encoding is given by end users (including UTF-8).
When transcoding occurs, errors are handled by automatically inserting
the Unicode replacement character. In this case, ripgrep's output is
guaranteed to be valid UTF-8 (excluding non-UTF-8 file paths, if they
are printed).
In all other cases, the source text is searched directly, which implies
an assumption that it is at least ASCII compatible, but where UTF-8 is
most useful. In this scenario, encoding errors are not detected. In this
case, ripgrep's output will match the input exactly, byte-for-byte.
This design may not be optimal in all cases, but it has some advantages:
1. In the happy path ("UTF-8 everywhere") remains happy. I have not been
able to witness any performance regressions.
2. In the non-UTF-8 path, implementation complexity is kept relatively
low. The cost here is transcoding itself. A potentially superior
implementation might build decoding of any encoding into the regex
engine itself. In particular, the fundamental problem with
transcoding everything first is that literal optimizations are nearly
negated.
Future work should entail improving the user experience. For example, we
might want to auto-detect more text encodings. A more elaborate UX
experience might permit end users to specify multiple text encodings,
although this seems hard to pull off in an ergonomic way.
Fixes #1
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Fixes #381
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We add scss to the existing `css` file type and `ejs` to the existing
`html` file type.
Fixes #393
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(This is what I get for directly pushing to master.)
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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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Tested with local cargo build paths.
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Also document that ctrl-c doesn't restore the termcolor.
Fixes #347.
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The --max-filesize option allows filtering files which are larger than
the specified limit. This is potentially useful if one is attempting to
search a number of large files without common file-types/suffixes.
See #369.
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A maximum filesize can be specified as an argument to a `WalkBuilder`.
If a file exceeds the specified size it will be ignored as part of the
resulting file/directory set.
The filesize limit never applies to directories.
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Fixes #391.
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Fixes #383
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This commit fixes two issues. The first issue is that if a file contained
many NUL bytes without any LF bytes, then the InputBuffer would read the
entire file into memory. This is not typically a problem, but if you run
rg on /proc, then bad things can happen when reading virtual memory mapping
files. Arguably, such files should be ignored, but we should also try to
avoid exhausting memory too. We fix this by pushing the `-a/--text` flag
option down into InputBuffer, so that it knows to stop immediately if it
finds a NUL byte.
The other issue this fixes is that binary detection is now applied to every
buffer instead of just the first one. This helps avoid detecting too many
files as plain text if the first parts of a binary file happen to contain
no NUL bytes. This issue still persists somewhat in the memory map
searcher, since we probably don't want to search the entire file upfront
for NUL bytes before actually performing our search. Instead, we search the
first 10KB for now.
Fixes #52, Fixes #311
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When the --files flag is given, ripgrep would still try to parse some of
the positional arguments as regexes. Don't do that.
Fixes #326
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@kbknapp <3
Fixes #327
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All Windows specific code has been (mostly) pushed out of ripgrep and
into its constituent libraries.
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fields.
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This is essentially a rename of the existing `Stdout` type to `StandardStream`
and a change of its constructor from a single `new()` function to have two
`stdout()` and `stderr()` functions.
Under the hood, we add add internal IoStandardStream{,Lock} enums that allow
us to abstract between Stdout and Stderr conveniently. The rest of the needed
changes then fall out fairly naturally.
Fixes #324.
[breaking-change]
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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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.eex is the default file ending for templates using Elixir's template engine EEx.
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It was missing a change about colors/styles.
Fixes #330
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