rust/ripgrep
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printer: trim line terminator before doing replacements

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This is basically the same bug as #1401, but applied to replacements
instead of --only-matching.

Fixes #1739
This commit is contained in:
Andrew Gallant 2021-05-31 19:52:26 -04:00
parent af8b27ffae
commit fbb2cfed28
3 changed files with 16 additions and 1 deletions
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2
CHANGELOG.md
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@ -69,6 +69,8 @@ Bug fixes:
* [BUG #1277](https://github.com/BurntSushi/ripgrep/issues/1277):
Document cygwin path translation behavior in the FAQ.
* [BUG #1739](https://github.com/BurntSushi/ripgrep/issues/1739):
Fix bug where replacements were buggy if the regex matched a line terminator.
* [BUG #1311](https://github.com/BurntSushi/ripgrep/issues/1311):
Fix multi-line bug where a search & replace for `\n` didn't work as expected.
* [BUG #1401](https://github.com/BurntSushi/ripgrep/issues/1401):

8
crates/printer/src/util.rs
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@ -68,7 +68,13 @@ impl<M: Matcher> Replacer<M> {
subject = &subject[..range.end + MAX_LOOK_AHEAD];
}
} else {
subject = &subject[..range.end];
// When searching a single line, we should remove the line
// terminator. Otherwise, it's possible for the regex (via
// look-around) to observe the line terminator and not match
// because of it.
let mut m = Match::new(0, range.end);
trim_line_terminator(searcher, subject, &mut m);
subject = &subject[..m.end()];
}
{
let &mut Space { ref mut dst, ref mut caps, ref mut matches } =

7
tests/regression.rs
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@ -945,6 +945,13 @@ rgtest!(r1638, |dir: Dir, mut cmd: TestCommand| {
eqnice!("foo:1:1:x\n", cmd.arg("--column").arg("x").stdout());
});
// See: https://github.com/BurntSushi/ripgrep/issues/1739
rgtest!(r1739_replacement_lineterm_match, |dir: Dir, mut cmd: TestCommand| {
dir.create("test", "a\n");
cmd.args(&[r"-r${0}f", r".*", "test"]);
eqnice!("af\n", cmd.stdout());
});
// See: https://github.com/BurntSushi/ripgrep/issues/1765
rgtest!(r1765, |dir: Dir, mut cmd: TestCommand| {
dir.create("test", "\n");