Merge branch 'master' of github.com:chmln/sd into azure-pipelines

This commit is contained in:
Greg 2019-06-16 15:45:06 -04:00
commit 25c7bc2a47
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GPG key ID: 2E44FAEEDC94B1E2
9 changed files with 384 additions and 311 deletions

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@ -2,9 +2,9 @@ edition = "2018"
max_width = 80
wrap_comments = true
control_brace_style = "ClosingNextLine"
brace_style = "PreferSameLine"
format_strings = true
merge_imports = true
match_block_trailing_comma = true
reorder_impl_items = true
use_field_init_shorthand = true

View file

@ -4,6 +4,25 @@ All notable changes to this project will be documented in this file.
This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.6.2]
- Fixed pre-allocated memmap buffer size
- Fixed failing tests
## [0.6.0] - 2019-06-15
### Improvements
- `sd` now uses memory-mapped files, allowing replacement on files of any size
- `-p`/`--preview` flag is now added to preview changes
- as of right now, results are simply emitted to stdout
- in a future version, the output will be changed to contain only relevant information
- a `w` regex flag is added to match full words only, e.g. `sd -f w foo bar file.txt`
### Deprecations
- `--in-place` is now deprecated and assumed whenever a list of files is given
## [0.5.0] - 2019-02-22
### Improvements

401
Cargo.lock generated
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@ -2,10 +2,10 @@
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"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

View file

@ -1,6 +1,6 @@
[package]
name = "sd"
version = "0.5.0"
version = "0.6.2"
edition = "2018"
authors = ["Gregory <gregory.mkv@gmail.com>"]
description = "An intuitive find & replace CLI"
@ -12,12 +12,12 @@ repository = "https://github.com/chmln/sd.git"
categories = ["command-line-utilities", "text-processing", "development-tools"]
[dependencies]
regex = "1.1.2"
structopt = "0.2.14"
atomicwrites = "0.2.2"
rayon = "1.0.3"
regex-syntax = "0.6.5"
regex = "1.1.7"
structopt = "0.2.16"
rayon = "1.1.0"
unescape = "0.1.0"
memmap = "0.7.0"
tempfile = "3.0.8"
[profile.release]
opt-level = 3

View file

@ -85,8 +85,9 @@ cargo install sd
### Arch Linux
[AUR package for sd](https://aur.archlinux.org/packages/sd/).
```sh
pacman -S sd
```
### FreeBSD
@ -153,6 +154,8 @@ To do a dry run:
5. **Find & replace across project**
This example uses [fd](https://github.com/sharkdp/fd).
Good ol' unix philosophy to the rescue.
```sh

View file

@ -12,9 +12,13 @@ use structopt::StructOpt;
raw(setting = "structopt::clap::AppSettings::UnifiedHelpMessage"),
)]
pub(crate) struct Options {
#[structopt(short = "p", long = "preview")]
preview: bool,
#[structopt(short = "i", long = "in-place")]
/// Modify the files in-place. Otherwise, transformations will be
/// emitted to STDOUT by default.
// Deprecated. TODO: remove in next release.
/// (Deprecated). Modify the files in-place. Otherwise, transformations
/// will be emitted to STDOUT by default.
in_place: bool,
#[structopt(short = "s", long = "string-mode")]
@ -25,10 +29,10 @@ pub(crate) struct Options {
/** Regex flags. May be combined (like `-f mc`).
c - case-sensitive
m - multi-line matching
i - case-insensitive
m - multi-line matching
w - match full words only
Smart-case is enabled by default.
*/
flags: Option<String>,
@ -45,13 +49,19 @@ pub(crate) struct Options {
pub(crate) fn run() -> Result<()> {
let args = Options::from_args();
if args.in_place {
eprintln!(
"Warning: --in-place is now redundant and will be removed in a \
future release."
);
}
let source = Source::from(args.files);
let replacer = Replacer::new(
args.find,
args.replace_with,
args.literal_mode,
args.flags
args.find,
args.replace_with,
args.literal_mode,
args.flags,
)?;
replacer.run(&source, args.in_place)?;
replacer.run(&source, !args.preview)?;
Ok(())
}

View file

@ -3,12 +3,6 @@ pub(crate) struct Error {
pub(crate) message: String,
}
impl Error {
pub(crate) fn new<T: std::fmt::Display>(message: T) -> Self {
Self { message: format!("{}", message) }
}
}
impl<T> From<T> for Error
where
T: std::error::Error,
@ -20,6 +14,13 @@ where
}
}
impl Error {
pub(crate) fn log(err: Self) -> Self {
println!("{}", err);
err
}
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{}", self.message)

View file

@ -1,6 +1,6 @@
use crate::{utils, Error, Result};
use regex::Regex;
use std::{borrow::Cow, fs::File, fs::set_permissions, io::prelude::*};
use regex::bytes::Regex;
use std::{fs::File, io::prelude::*};
pub(crate) enum Source {
Stdin,
@ -14,18 +14,11 @@ impl Source {
}
return Source::Files(file_paths);
}
fn file_to_string(path: impl AsRef<str>) -> Result<String> {
let mut file = File::open(path.as_ref())?;
let mut buffer = String::new();
file.read_to_string(&mut buffer)?;
Ok(buffer)
}
}
pub(crate) struct Replacer {
regex: Regex,
replace_with: String,
replace_with: Vec<u8>,
is_literal: bool,
}
@ -37,21 +30,20 @@ impl Replacer {
flags: Option<String>,
) -> Result<Self> {
let (look_for, replace_with) = if is_literal {
(regex::escape(&look_for), replace_with)
(regex::escape(&look_for), replace_with.into_bytes())
}
else {
(
look_for,
utils::unescape(&replace_with).unwrap_or_else(|| replace_with),
utils::unescape(&replace_with)
.unwrap_or_else(|| replace_with)
.into_bytes(),
)
};
let mut regex = regex::RegexBuilder::new(&look_for);
regex.case_insensitive(
!is_literal && !utils::regex_case_sensitive(&look_for),
);
let mut regex = regex::bytes::RegexBuilder::new(&look_for);
if let (Some(flags), false) = (flags, is_literal) {
if let Some(flags) = flags {
for c in flags.chars() {
match c {
'c' => {
@ -63,6 +55,12 @@ impl Replacer {
'm' => {
regex.multi_line(true);
},
'w' => {
regex = regex::bytes::RegexBuilder::new(&format!(
"\\b{}\\b",
look_for
));
},
_ => {},
};
}
@ -75,55 +73,62 @@ impl Replacer {
})
}
fn replace<'r>(&self, content: impl Into<Cow<'r, str>>) -> Cow<'r, str> {
let content = content.into();
if self.regex.find(&content).is_none() {
return content;
}
fn has_matches(&self, content: &[u8]) -> bool {
self.regex.is_match(content)
}
fn replace<'a>(&'a self, content: &'a [u8]) -> std::borrow::Cow<'a, [u8]> {
if self.is_literal {
self.regex
.replace_all(&content, regex::NoExpand(&self.replace_with))
.to_string()
.into()
self.regex.replace_all(
&content,
regex::bytes::NoExpand(&self.replace_with),
)
}
else {
self.regex
.replace_all(&content, &*self.replace_with)
.to_string()
.into()
self.regex.replace_all(&content, &*self.replace_with)
}
}
fn replace_file(&self, path: impl AsRef<str>) -> Result<()> {
use atomicwrites::{AtomicFile, OverwriteBehavior::AllowOverwrite};
let path = path.as_ref();
let mut file = File::open(path)?;
let permissions = file.metadata()?.permissions();
let mut buffer = String::new();
file.read_to_string(&mut buffer)?;
use memmap::{Mmap, MmapMut};
use std::ops::DerefMut;
AtomicFile::new(path, AllowOverwrite)
.write(|f| -> Result<usize> {
f.write(self.replace(&buffer).as_bytes())
.map_err(|e| Error::new(e))
})
.map_err(Error::new)?;
set_permissions(path, permissions)?;
let path = std::path::Path::new(path.as_ref());
let source = File::open(path)?;
let meta = source.metadata()?;
let mmap_source = unsafe { Mmap::map(&source)? };
let replaced = self.replace(mmap_source.as_ref());
let target = tempfile::NamedTempFile::new_in(
path.parent().ok_or_else(|| Error {
message: "Invalid path given".to_owned(),
})?,
)?;
let file = target.as_file();
file.set_len(replaced.len() as u64)?;
file.set_permissions(meta.permissions())?;
let mut mmap_target = unsafe { MmapMut::map_mut(&file)? };
mmap_target.deref_mut().write_all(&replaced)?;
mmap_target.flush()?;
target.persist(path)?;
Ok(())
}
pub(crate) fn run(&self, source: &Source, in_place: bool) -> Result<()> {
match (source, in_place) {
(Source::Stdin, _) => {
let mut buffer = String::new();
let mut buffer = Vec::new();
let stdin = std::io::stdin();
let mut handle = stdin.lock();
handle.read_to_string(&mut buffer)?;
handle.read_to_end(&mut buffer)?;
let stdout = std::io::stdout();
let mut handle = stdout.lock();
handle.write(&self.replace(&buffer).as_bytes())?;
if self.has_matches(&buffer) {
let stdout = std::io::stdout();
let mut handle = stdout.lock();
handle.write_all(&self.replace(&buffer))?;
}
Ok(())
},
(Source::Files(paths), true) => {
@ -131,7 +136,7 @@ impl Replacer {
paths
.par_iter()
.map(|p| self.replace_file(p))
.map(|p| self.replace_file(p).map_err(Error::log))
.collect::<Vec<Result<()>>>();
Ok(())
},
@ -141,12 +146,10 @@ impl Replacer {
paths
.iter()
.map(|p| {
handle.write(
&self
.replace(&Source::file_to_string(p)?)
.as_bytes(),
)?;
.map(|path| {
let file =
unsafe { memmap::Mmap::map(&File::open(&path)?)? };
handle.write_all(&self.replace(&file[..]))?;
Ok(())
})
.collect::<Result<Vec<()>>>()?;
@ -160,64 +163,61 @@ impl Replacer {
mod tests {
use super::*;
#[test]
fn default_global() -> Result<()> {
let r = Replacer::new("a".into(), "b".into(), false, None)?;
assert_eq!(r.replace("aaa"), "bbb");
Ok(())
fn replace<'a>(
look_for: impl Into<String>,
replace_with: impl Into<String>,
literal: bool,
flags: Option<&'static str>,
src: &'static str,
target: &'static str,
) {
let replacer = Replacer::new(
look_for.into(),
replace_with.into(),
literal,
flags.map(ToOwned::to_owned),
)
.unwrap();
assert_eq!(
std::str::from_utf8(&replacer.replace(src.as_bytes())),
Ok(target)
);
}
#[test]
fn escaped_char_preservation() -> Result<()> {
let r = Replacer::new("a".into(), "b".into(), false, None)?;
assert_eq!(r.replace("a\\n"), "b\\n");
Ok(())
fn default_global() {
replace("a", "b", false, None, "aaa", "bbb");
}
#[test]
fn smart_case_insensitive() -> Result<()> {
let r = Replacer::new("abc".into(), "x".into(), false, None)?;
assert_eq!(r.replace("abcABCAbcabC"), "xxxx");
Ok(())
fn escaped_char_preservation() {
replace("a", "b", false, None, "a\\n", "b\\n");
}
#[test]
fn smart_case_sensitive() -> Result<()> {
let r = Replacer::new("Abc".into(), "x".into(), false, None)?;
assert_eq!(r.replace("abcABCAbcabC"), "abcABCxabC");
Ok(())
fn case_sensitive_default() {
replace("abc", "x", false, None, "abcABC", "xABC");
replace("abc", "x", true, None, "abcABC", "xABC");
}
#[test]
fn no_smart_case_literals() -> Result<()> {
let r = Replacer::new("abc".into(), "x".into(), true, None)?;
assert_eq!(r.replace("abcABCAbcabC"), "xABCAbcabC");
Ok(())
fn sanity_check_literal_replacements() {
replace("((special[]))", "x", true, None, "((special[]))y", "xy");
}
#[test]
fn sanity_check_literal_replacements() -> Result<()> {
let r = Replacer::new("((special[]))".into(), "x".into(), true, None)?;
assert_eq!(r.replace("((special[]))y"), "xy");
Ok(())
fn unescape_regex_replacements() {
replace("test", r"\n", false, None, "testtest", "\n\n");
}
#[test]
fn unescape_regex_replacements() -> Result<()> {
let r = Replacer::new("test".into(), r"\n".into(), false, None)?;
assert_eq!(r.replace("testtest"), "\n\n");
// escaping the newline char
let r = Replacer::new("test".into(), r"\\n".into(), false, None)?;
assert_eq!(r.replace("testtest"), r"\n\n");
Ok(())
fn no_unescape_literal_replacements() {
replace("test", r"\n", true, None, "testtest", r"\n\n");
}
#[test]
fn no_unescape_literal_replacements() -> Result<()> {
let r = Replacer::new("test".into(), r"\n".into(), true, None)?;
assert_eq!(r.replace("testtest"), r"\n\n");
Ok(())
fn full_word_replace() {
replace("abc", "def", false, Some("w"), "abcd abc", "abcd def");
}
}

View file

@ -3,32 +3,3 @@ pub(crate) type Result<T> = std::result::Result<T, crate::Error>;
pub(crate) fn unescape(s: &str) -> Option<String> {
unescape::unescape(s)
}
pub(crate) fn regex_case_sensitive(pattern: &str) -> bool {
use regex_syntax::Parser;
Parser::new()
.parse(pattern)
.map(|hir| hir_has_uppercase_char(&hir))
.unwrap_or_else(|_| false)
}
// Check if regex HIR has any uppercase chars
// snippet borrowed from @sharkdp
fn hir_has_uppercase_char(hir: &regex_syntax::hir::Hir) -> bool {
use regex_syntax::hir::*;
match hir.kind() {
HirKind::Literal(Literal::Unicode(c)) => c.is_uppercase(),
HirKind::Class(Class::Unicode(ref ranges)) => ranges
.iter()
.any(|r| r.start().is_uppercase() || r.end().is_uppercase()),
HirKind::Group(Group { ref hir, .. })
| HirKind::Repetition(Repetition { ref hir, .. }) => {
hir_has_uppercase_char(hir)
},
HirKind::Concat(ref hirs) | HirKind::Alternation(ref hirs) => {
hirs.iter().any(hir_has_uppercase_char)
},
_ => false,
}
}