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Fix #2779: Show full option name in error for multicharacter short options #3303

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Fix #2779: Show full option name in error for multicharacter short options #3303

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Fix #2779: Show full option name in error for multicharacter short op…
717986230 Apr 3, 2026
40fab56
[pre-commit.ci lite] apply automatic fixes
pre-commit-ci-lite[bot] Apr 3, 2026
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4 changes: 3 additions & 1 deletion src/click/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -401,7 +401,9 @@ def _match_short_opt(self, arg: str, state: _ParsingState) -> None:
if self.ignore_unknown_options:
unknown_options.append(ch)
continue
raise NoSuchOption(opt, ctx=self.ctx)
raise NoSuchOption(
_normalize_opt(arg, self.ctx), ctx=self.ctx
) # Fix #2779
if option.takes_value:
# Any characters left in arg? Pretend they're the
# next arg, and stop consuming characters of arg.
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