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Avoid O(n^2) string concatenation in maskActionContents

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- `masked +=` per token copied the whole prefix on every append
- ~1 MB POST to --listen blocked the server for ~30 s
- switch to strings.Builder

Reported by Zachariah Mithani (@zachariah-mithani, AploSec).
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Junegunn Choi committed 2026-10-22 08:24:40 +09:00
1 parent ac28b8c3ba
commit b412a45053
2 files changed
+8 -6
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CHANGELOG.md
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@@ -28,6 +28,7 @@ CHANGELOG
- The completion integration now requires nushell 0.116.1 or above, where an interactive completer can take the terminal through the `@interactive` attribute (#4934) (@sim590)
- Fixed `--no-sort` being ignored in filter mode with `--sync`, `--tac`, or `--bench` (#4940) (@NavpreetSSidhu)
- Vim plugin: Fixed garbage text on screen in Neovim with `set title` when the fzf command contains ANSI escape sequences (#4941)
- Fixed O(n^2) action parsing in `--listen`. A single ~1 MB request could block the server for ~30 s (@zachariah-mithani, AploSec)
0.74.5
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