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5f1891b795
Inside a derivation, exportReferencesGraph already provides a way to dump the Nix database for a specific closure. On the command line, --dump-db gave us the same information, but only for the entire Nix database at once. With this change, one can now pass a list of paths to --dump-db to get the Nix database dumped for just those paths. (The user is responsible for ensuring this is a closure, like for --export). Among other things, this is useful for deploying a closure to a new host without using --import/--export; one can use tar to transfer the store paths, and --dump-db/--load-db to transfer the validity information. This is useful if the new host doesn't actually have Nix yet, and the closure that is being deployed itself contains Nix. |
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| .. | ||
| advanced-topics | ||
| command-ref | ||
| expressions | ||
| figures | ||
| glossary | ||
| images/callouts | ||
| installation | ||
| introduction | ||
| packages | ||
| release-notes | ||
| hacking.xml | ||
| local.mk | ||
| manual.xml | ||
| nix-lang-ref.xml | ||
| quote-literals.xsl | ||
| schemas.xml | ||
| style.css | ||