guiwf/lix
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libexpr: Warn on incorrect string escapes

Browse Source 
In Nixpkgs, there are several strings like "\d\.\d" which attempt to be
a regex but are just literally "d.d". The escaping rules are silly and
we should warn our users about that.

Co-authored-by: Commentator2.0 <lix@crystal-cavern.systems>
Change-Id: I779b0757358fc9adc34dc140e1670b83abc93b67
This commit is contained in:
piegames
2026-01-31 15:32:27 +01:00
co-authored by Commentator2.0
parent f1fbd1d095
commit 56dee9186f
18 changed files with 158 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
doc/manual/rl-next/deprecated-features.md
+2 -1
View File
@@ -1,7 +1,7 @@
---
synopsis: 'more deprecated features'
issues: []
cls: [2092]
cls: [2092, 2310]
category: Breaking Changes
credits: [piegames, commentator2.0]
---
@@ -9,3 +9,4 @@ This release cycle features a new batch of deprecated (anti-)features.
You can opt in into the old behavior with `--extra-deprecated-features` or any equivalent configuration option.
- `broken-string-indentation` indented strings (those starting with `''`) might produce unintended results due to how the whitespace stripping is done. Those cases will now warn the user.
- `broken-string-escape` "escaped" characters without a properly defined escape sequence evaluate to "themselves". This is in most cases unintended behaviour, both for writing regexes, and using legacy or uncommon escape sequences like `\f`. The user will now be warned, if those are present.