Improve error message for -r *.lock inputs #16282
Open
+89
−24
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Summary
Detect and reject uv lockfiles (*.lock) early when passed via -r, showing a clear error instead of a parse failure. Fixes #16192. It was made using 4.5 Sonnet and Perplexity. There are probably some fixes to do. I am here to (try) fix !
Test Plan
Ran cargo test -p uv --test it_install_from_uv_lockfile . I confirm the new error message is emitted as expected.