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* fix: suppress CRLF warnings in auto-commit.ps1 (#2253) Replace 2> with 2>&1 redirection and assignment to properly suppress stderr output including CRLF warnings on Windows. Exit code logic preserved for change detection. Fixes #2253 * fix: use SilentlyContinue for CRLF stderr handling, add tests The 2>&1 approach still raises terminating errors under $ErrorActionPreference='Stop'. Instead, temporarily set SilentlyContinue around all native git calls that may emit CRLF warnings to stderr (rev-parse, diff, ls-files, add, commit). Adds 5 pytest tests (TestAutoCommitPowerShellCRLF) that set core.autocrlf=true with LF-ending files. On Windows runners this triggers actual CRLF warnings; on other platforms the tests pass trivially. Fixes #2253 * refactor: address Copilot review feedback - Use 'Continue' instead of 'SilentlyContinue' so error output is still captured in $out for diagnostics on real git failures. - Wrap all three EAP save/restore blocks in try/finally to guarantee restoration even on unexpected exceptions. - Fix CRLF test to commit a tracked LF file first, then modify it, so git diff --quiet HEAD actually inspects the tracked change and triggers the CRLF warning on Windows. * test: assert CRLF warning fires on Windows On Windows, probe git diff stderr before running the script to verify the test setup actually produces the expected CRLF warning. This makes the regression test deterministic on the Windows runner. On non-Windows the probe is skipped (warnings don't fire there). --------- Co-authored-by: Manfred Riem <15701806+mnriem@users.noreply.github.com>