feature: validate markers against Portage CONTENTS before ancestor promote (issue #66) - #69
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…stor promote (issue #66) Before promoting a staged marker snapshot to ._new-cfg_*, compare its MD5 to the Portage VDB CONTENTS digest for the live path (last-install BUILD_TIME). Mismatch skips ancestor promotion with a warning; missing VDB fails open. New helpers take all inputs via parameters/returns.
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in Refactor/cleanup cfg-update
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Summary
._cfg*snapshot to._new-cfg_*(Stage 2 ancestor), compare its MD5 to Portage VDBCONTENTSfor the live path, using the most recently installed package (BUILD_TIME, else CONTENTS mtime).lookup_contents_md5_for_liveandpromote_backup_newtake all inputs via parameters/returns (no new global coupling).update_merge_complete,update_replace_complete, andupdate_keep_complete.Closes #66
Test plan
perl -c cfg-update./test/run-tests.sh --full(227 passed)