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rust: accept dep-info without a rule (-Zdep-info-omit-d-target) - #2949
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With -Zdep-info-omit-d-target, the dep-info-only invocation names no output, so rustc writes only the phony rules of the prerequisites. Since 0.19.0, sccache failed every compile with "dep-info does not start with a rule". Rebuild the prerequisites from the phony rules instead. Fixes: mozilla#2945
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #2949 +/- ##
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Coverage 78.48% 78.49%
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Files 74 74
Lines 43956 43978 +22
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+ Hits 34501 34521 +20
- Misses 9455 9457 +2 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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With -Zdep-info-omit-d-target, the dep-info-only invocation sccache runs names no output, so rustc writes only the phony rules of the prerequisites. Since 0.19.0 every compile with that flag failed with "dep-info does not start with a rule". The prerequisites are now rebuilt from the phony rules.
Fixes: #2945