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The lint filters were declared as plain strings, so the membership tests in the command body compared a name against a string rather than against a list. Any name that happened to be a prefix of what the user typed slipped through: `--option auth_backends` also reported `auth_backend`, and the mirror case on `--ignore-option` silently suppressed warnings the user still wanted to see. Five such pairs exist in CONFIGS_CHANGES today. The comma-separated lists the docstring has always advertised only appeared to work because substring matching happened to accept them; the verbose output joined the same strings character by character. airflow-core already parses these four arguments with string_list_type, which was defined here but left unused.
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Hello @rjgoyln - thank you for your contributions to Apache Airflow! The Airflow community has introduced a limit of 5 open pull requests at a time for contributors without write access to the repository. You currently have 24 open pull requests, so - as a one-time step of introducing the limit - we closed the ones where maintainers have not engaged yet:
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Summary
airflowctl config lintdeclared--section,--option,--ignore-section, and--ignore-optionas plain strings instead of lists. As a result, membership checks performed substring matching rather than exact matching, leading to false positives (for example,auth_backendmatchingauth_backends) and, more seriously, causing--ignore-optionto suppress unrelated warnings.The same root cause also meant that the documented comma-separated syntax (for example,
--section core,webserver) was never actually parsed, and verbose output printed each string character by character.Change
Use the existing
string_list_typeparser fromairflowctl/ctl/cli_config.pyfor all four options, matchingairflow-core. This restores proper list membership, enables the documented comma-separated syntax, and fixes verbose output.Was generative AI tooling used to co-author this PR?
Generated-by: Claude Code (Opus 5) following the guidelines