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Rebase of https://github.com/astral-sh/ruff/pull/5119 authored by @evanrittenhouse with additional refinements. ## Changes - Adds `--unsafe-fixes` / `--no-unsafe-fixes` flags to `ruff check` - Violations with unsafe fixes are not shown as fixable unless opted-in - Fix applicability is respected now - `Applicability::Never` fixes are no longer applied - `Applicability::Sometimes` fixes require opt-in - `Applicability::Always` fixes are unchanged - Hints for availability of `--unsafe-fixes` added to `ruff check` output ## Examples Check hints at hidden unsafe fixes ``` ❯ ruff check example.py --no-cache --select F601,W292 example.py:1:14: F601 Dictionary key literal `'a'` repeated example.py:2:15: W292 [*] No newline at end of file Found 2 errors. [*] 1 fixable with the `--fix` option (1 hidden fix can be enabled with the `--unsafe-fixes` option). ``` We could add an indicator for which violations have hidden fixes in the future. Check treats unsafe fixes as applicable with opt-in ``` ❯ ruff check example.py --no-cache --select F601,W292 --unsafe-fixes example.py:1:14: F601 [*] Dictionary key literal `'a'` repeated example.py:2:15: W292 [*] No newline at end of file Found 2 errors. [*] 2 fixable with the --fix option. ``` Also can be enabled in the config file ``` ❯ cat ruff.toml unsafe-fixes = true ``` And opted-out per invocation ``` ❯ ruff check example.py --no-cache --select F601,W292 --no-unsafe-fixes example.py:1:14: F601 Dictionary key literal `'a'` repeated example.py:2:15: W292 [*] No newline at end of file Found 2 errors. [*] 1 fixable with the `--fix` option (1 hidden fix can be enabled with the `--unsafe-fixes` option). ``` Diff does not include unsafe fixes ``` ❯ ruff check example.py --no-cache --select F601,W292 --diff --- example.py +++ example.py @@ -1,2 +1,2 @@ x = {'a': 1, 'a': 1} -print(('foo')) +print(('foo')) \ No newline at end of file Would fix 1 error. ``` Unless there is opt-in ``` ❯ ruff check example.py --no-cache --select F601,W292 --diff --unsafe-fixes --- example.py +++ example.py @@ -1,2 +1,2 @@ -x = {'a': 1} -print(('foo')) +x = {'a': 1, 'a': 1} +print(('foo')) \ No newline at end of file Would fix 2 errors. ``` https://github.com/astral-sh/ruff/pull/7790 will improve the diff messages following this pull request Similarly, `--fix` and `--fix-only` require the `--unsafe-fixes` flag to apply unsafe fixes. ## Related Replaces #5119 Closes https://github.com/astral-sh/ruff/issues/4185 Closes https://github.com/astral-sh/ruff/issues/7214 Closes https://github.com/astral-sh/ruff/issues/4845 Closes https://github.com/astral-sh/ruff/issues/3863 Addresses https://github.com/astral-sh/ruff/issues/6835 Addresses https://github.com/astral-sh/ruff/issues/7019 Needs follow-up https://github.com/astral-sh/ruff/issues/6962 Needs follow-up https://github.com/astral-sh/ruff/issues/4845 Needs follow-up https://github.com/astral-sh/ruff/issues/7436 Needs follow-up https://github.com/astral-sh/ruff/issues/7025 Needs follow-up https://github.com/astral-sh/ruff/issues/6434 Follow-up #7790 Follow-up https://github.com/astral-sh/ruff/pull/7792 --------- Co-authored-by: Evan Rittenhouse <evanrittenhouse@gmail.com> |
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