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printFlagSuggestions trims the dashes so that "-co" can suggest "--config", but it did the same for a short flag such as "-c", and suggested every long flag starting with "c", including the flag "-c" belongs to. Since the shell scripts send the same request for "app -c <TAB>", they offered "--config" as the value of "-c". A short flag written out in full is that flag, so suggest nothing for it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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What type of PR is this?
What this PR does / why we need it:
printFlagSuggestionstrims the dashes from the last argument so that-cocan suggest--config. It does the same for a short flag written out in full, so-csuggests every long flag starting withc, including the one-cis an alias of. The shell scripts send the same request forapp -c<TAB>andapp -c <TAB>, so with a space they offer--configas the value of-c:In bash 5.3,
app -c <TAB>fills inapp -c --configinstead of falling back to file names. fish 4.9.3 offers--configtoo, and zsh calls_describewith it instead of falling back to_files. Subcommands behave the same way (app sub -c <TAB>).A short flag written out in full (
-plus one letter that names a flag) is now that flag, soprintFlagSuggestionsprints nothing for it. The shells then fall back to their defaults: file names in bash and zsh.-co,--cand a lone-suggest the same flags as before.Which issue(s) this PR fixes:
None, found while testing the generated scripts in bash and fish.
Testing
TestCompletionAfterShortFlag:-con the root command and on a subcommand prints nothing (both fail onmain, which prints--configand--count);-coand--cstill suggest--configand--count.app -c <TAB>no longer offers--config, andapp --c<TAB>andapp -<TAB>are unchanged.make(generate, vet, tests, binary size, gfmrun),make lintandmake v3diffpass locally with Go 1.26.go test -racepasses, as do the tests withurfave_cli_no_template,urfave_cli_no_docsandurfave_cli_no_suggest.The change and the test were written with Claude Code (AI).
Release Notes
🤖 Generated with Claude Code