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This commit does the work to delete the old `grep` crate and effectively
rewrite most of ripgrep core to use the new libripgrep crates. The new
`grep` crate is now a facade that collects the various crates that make
up libripgrep.
The most complex part of ripgrep core is now arguably the translation
between command line parameters and the library options, which is
ultimately where we want to be.
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Generally speaking, ripgrep prevents the case of not having any patterns
via its arg parsing. However, it is possible for users to provide a file
of patterns via the `-f` flag. If that file is empty, then ripgrep has
nothing to search for and therefore should not ever produce any match.
One way of fixing this might be to replace the absence of patterns with
a pattern that can never match, but this still requires opening and
searching through every file, which is quite a waste. Instead, we detect
this case explicitly and quit early.
Fixes #900
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This commit tweaks the implementation of the --files flag to stop early
when --quiet is provided.
Fixes #907
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This removes logic from the decompressor for skipping tar archives. This
logic was originally added under the assumption that we probably want to
avoid the cost of reading them. However, this is generally inconsistent
with how ripgrep treats files like tar archives: it should search them
and do binary detection like normal.
Fixes #918
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This commit adds a new --no-ignore-global flag that permits disabling
the use of global gitignore filtering. Global gitignores are generally
found in `$HOME/.config/git/ignore`, but its location can be configured
via git's `core.excludesFile` option.
Closes #934
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This shows an example for reading stdin.
Fixes #951
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This commit improves the error message when --path-separator fails. Namely,
it prints the separator it got and also prints a notice for Windows users
for common failure modes.
Fixes #957
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This switch explicitly disables the --pre behavior. An empty string will
also disable --pre behavior, but actually utterring an empty flag value
is quite awkward, so we provide an explicit switch to do the same thing.
Thanks to @c-blake for pointing this out.
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This commit mostly moves the transcoder implementation to its own
crate: https://github.com/BurntSushi/encoding_rs_io
The new crate adds clear documentation and cleans up the implementation
to fully implement the contract of io::Read.
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The --pre flag can result in a pretty large performance penalty, so put
a warning in the flag documentation. This warning is important because a
flag like this could easily wind up in a user's configuration file.
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The preprocessor flag accepts a command program and executes this
program for every input file that is searched. Instead of searching the
file directly, ripgrep will instead search the stdout contents of the
program.
Closes #978, Closes #981
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This uses the lz4 binary for decompression.
Closes #898
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We keep the old `--maxdepth` spelling to preserve backward
compatibility.
PR #967
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Fixes #964
PR #965
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This commit removes an unconditional extra regex search that is in fact
not always necessary. This can result in a 2x performance improvement in
cases where ripgrep reports many matches.
The fix itself isn't ideal, but we continue to punt on cleaning up the
printer until it is rewritten for libripgrep, which is happening Real
Soon Now.
Fixes #955
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Specifically, this will use a buffered writer when not printing to a tty.
This fixes a long standing performance regression where ripgrep would
slow down dramatically if it needed to report a lot of matches.
Fixes #955
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Exit code 1 was shared to indicate both "no results" and "error." Use
status code 2 to indicate errors, similar to grep's behavior.
Fixes #948
PR #954
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This commit does what no software project has ever done before: we've
outright removed a flag with no possible way to recapture its
functionality.
This flag presents numerous problems in that it never really worked well
in the first place, and completely falls over when ripgrep uses the
--no-heading output format. Well meaning users want ripgrep to fix this
by getting into the alignment business by buffering all output, but that
is a line that I refuse to cross.
Fixes #795
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This disables columns in the output if they were otherwise enabled.
Fixes #880
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The new --no-ignore-messages flag permits suppressing errors related to
parsing .gitignore or .ignore files. These error messages can be somewhat
annoying since they can surface from repositories that one has no control
over.
Fixes #646
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This makes it clear that the --no-messages flag doesn't actually
suppress all error messages, and is therefore not equivalent to
redirecting stderr to /dev/null.
See also: #860
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This update brings with it many bug fixes:
* Better error messages are printed overall. We also include
explicit call out for unsupported features like backreferences
and look-around.
* Regexes like `\s*{` no longer emit incomprehensible errors.
* Unicode escape sequences, such as `\u{..}` are now supported.
For the most part, this upgrade was done in a straight-forward way. We
resist the urge to refactor the `grep` crate, in anticipation of it
being rewritten anyway.
Note that we removed the `--fixed-strings` suggestion whenever a regex
syntax error occurs. In practice, I've found that it results in a lot of
false positives, and I believe that its use is not as paramount now that
regex parse errors are much more readable.
Closes #268, Closes #395, Closes #702, Closes #853
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This update brings with it a new feature of the regex crate which will
now use SIMD optimizations automatically at runtime with no necessary
compile time flags. All that's needed is to enable the `unstable` feature.
Other crates, such as bytecount and encoding_rs, are still using the
old-style SIMD support, so we leave the simd-accel and avx-accel features.
However, the binaries we distribute on Github no longer have those
features enabled, which makes them truly portable.
Fixes #135
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This commit provides basic support for a --stats flag, which will print
various aggregate statistics about a search after all of the results
have been printed. This is mostly intended to support a similar feature
found in the Silver Searcher. Note though that we don't emit the total
bytes searched; this is a first pass at an implementation and we can
improve upon it later.
Closes #411, Closes #799
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Namely, when ripgrep is asked to count things and is also asked to print
every match on its own line, then we should just automatically count the
matches and not the lines. This is a departure from how GNU grep behaves,
but there is a compelling argument to be made that GNU grep's behavior
doesn't make a lot of sense.
Note that since this changes the behavior of combining two existing
flags, this is a breaking change.
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This commit introduces a new flag, --count-matches, which will cause
ripgrep to report a total count of all matches instead of a count of
total lines matched.
Closes #566, Closes #814
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This commit adds support for printing 0-based byte offset before each
line. We handle corner cases such as `-o/--only-matching` and
`-C/--context` as well.
Closes #812
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This commit causes a memory map strategy to fall back to a file backed
strategy if the mmap call fails with an `ENOMEM` error.
Fixes #852
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Fixes #832
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This commit adds underline support to the termcolor crate, and
exposes it through ripgrep.
Fixes #798
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Fixes #684
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This commit adds FAQ entries about how to configure ripgrep's coloring,
and how to get true color support in Windows consoles.
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This commit adds support for specifying Ansi256 or RGB colors using
hexadecimal notation.
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This commit cleans up the README and splits portions of it out into
a user guide (GUIDE.md) and a FAQ (FAQ.md). The README now provides a
small list of documentation "quick" links to various parts of the docs.
This commit also does a few other minor touchups.
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This adds a couple common keywords to the documentation.
Fixes #779
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This adds hidden counter-flags for the following:
-L/--follow [--no-follow]
--hidden [--no-hidden]
--no-ignore [--ignore]
--no-ignore-parent [--ignore-parent]
--no-ignore-vcs [--ignore-vcs]
--no-messages [--messages]
--search-zip [--no-search-zip]
--sort-files [--no-sort-files]
--text [--no-text]
In the above list, the counter-flags are in brackets.
While these flags are hidden, we document the counter-flags in the
documentation for the flags they are countering.
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This commit adds support for hidden flags. The purpose of hidden flags
is for things that end users likely won't need unless they have a
configuration file that disables ripgrep's defaults. These flags will
provide a way to re-enable ripgrep's defaults.
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This commit uses the recent refactoring for defining flags to
automatically generate a man page. This finally allows us to define the
documentation for each flag in a single place.
The man page is generated on every build, if and only if `asciidoc` is
installed. When generated, it is placed in Cargo's `OUT_DIR` directory,
which is the same place that shell completions live.
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This commit makes a small tweak to the --max-columns flag. Namely, if
the value of the flag is 0, then ripgrep behaves as-if the flag were
absent.
This is useful in the context of ripgrep reading configuration from the
environment. For example, an end user might set --max-columns=150, but we
should permit the user to disable this setting when needed. Using -M0 is
a nice way to do that.
We do this because a zero value for --max-columns isn't particularly
meaningful. We do leave the --max-count, --max-filesize and --maxdepth
flags alone though, since a zero value for those flags is potentially
meaningful. (--max-count even has tests for ripgrep's behavior when
given a value of 0.)
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We use the new AppSettings::AllArgsOverrideSelf to permit all flags to
be specified multiple times. This removes the need for our previous
work-around where we would enable `multiple` for every flag and then
just extract the last value when consuming clap's matches.
We also add a couple regression tests that ensure repeated switches and
flags work as expected.
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When referencing the PATTERN positional argument,
we should use `pattern` and not `PATTERN`. The former
is the clap identifier name while the latter is the argument
value name.
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This commit adds support for reading configuration files that change
ripgrep's default behavior. The format of the configuration file is an
"rc" style and is very simple. It is defined by two rules:
1. Every line is a shell argument, after trimming ASCII whitespace.
2. Lines starting with '#' (optionally preceded by any amount of
ASCII whitespace) are ignored.
ripgrep will look for a single configuration file if and only if the
RIPGREP_CONFIG_PATH environment variable is set and is non-empty.
ripgrep will parse shell arguments from this file on startup and will
behave as if the arguments in this file were prepended to any explicit
arguments given to ripgrep on the command line.
For example, if your ripgreprc file contained a single line:
--smart-case
then the following command
RIPGREP_CONFIG_PATH=wherever/.ripgreprc rg foo
would behave identically to the following command
rg --smart-case foo
This commit also adds a new flag, --no-config, that when present will
suppress any and all support for configuration. This includes any future
support for auto-loading configuration files from pre-determined paths
(which this commit does not add).
Conflicts between configuration files and explicit arguments are handled
exactly like conflicts in the same command line invocation. That is,
this command:
RIPGREP_CONFIG_PATH=wherever/.ripgreprc rg foo --case-sensitive
is exactly equivalent to
rg --smart-case foo --case-sensitive
in which case, the --case-sensitive flag would override the --smart-case
flag.
Closes #196
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