feat: add --completions flag for shell completion generation (#175)#189
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) Generates self-contained shell completion scripts for bash, zsh, and fish. - New module src/completions.zig with generators for all three shells - bash: _sql-pipe() function via _init_completion + compgen - zsh: #compdef script with _arguments specs - fish: complete -c entries for every flag - Includes completions for -I/-O format values and --completions shell values - Integration tests with syntax validation (bash -n, zsh -n, fish --no-execute)
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Description
Adds a
--completions <shell>flag that generates self-contained shell completion scripts for bash, zsh, and fish.Usage
What's included
_sql-pipe()function using_init_completion+compgen, with flag-specific value completions for-I,-O,--completions,--sample, and file completion fallback#compdefscript with_argumentsspecs covering all flags with short/long forms and value completionscomplete -c sql-pipeentries for every flag, with-rfor valued flags and-afor format completionscsv,tsv,json,ndjson,xml,markdown,html,sql)Changes
src/completions.zigsrc/args.zigCompletionsShellenum,CompletionsArgsstruct, flag parsing, help textsrc/main.zigbuild.zigdocs/sql-pipe.1.scdREADME.mdCloses #175