Technical Notes

Manpages - nix3-store.1

Warning
This program is experimental and its interface is subject to change.

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Name

nix store - manipulate a Nix store

Synopsis

nix store [/option/…] subcommand

where subcommand is one of the following:

  • nix store add - Add a file or directory to the Nix store
  • nix store add-file - Deprecated. Use nix store add --mode flat instead.
  • nix store add-path - Deprecated alias to nix store add.
  • nix store cat - print the contents of a file in the Nix store on stdout
  • nix store copy-log - copy build logs between Nix stores
  • nix store copy-sigs - copy store path signatures from substituters
  • nix store delete - delete paths from the Nix store
  • nix store diff-closures - show what packages and versions were added and removed between two closures
  • nix store dump-path - serialise a store path to stdout in NAR format
  • nix store gc - perform garbage collection on a Nix store
  • nix store info - test whether a store can be accessed
  • nix store ls - show information about a path in the Nix store
  • nix store make-content-addressed - rewrite a path or closure to content-addressed form
  • nix store optimise - replace identical files in the store by hard links
  • nix store path-from-hash-part - get a store path from its hash part
  • nix store ping - test whether a store can be accessed
  • nix store prefetch-file - download a file into the Nix store
  • nix store repair - repair store paths
  • nix store sign - sign store paths with a local key
  • nix store verify - verify the integrity of store paths

Options

Logging-related options

  • --debug Set the logging verbosity level to ‘debug'.
  • --log-format format Set the format of log output; one of raw, internal-json, bar or bar-with-logs.
  • --print-build-logs / -L Print full build logs on standard error.
  • --quiet Decrease the logging verbosity level.
  • --verbose / -v Increase the logging verbosity level.

Miscellaneous global options

  • --help Show usage information.
  • --offline Disable substituters and consider all previously downloaded files up-to-date.
  • --option name value Set the Nix configuration setting name to value (overriding nix.conf).
  • --refresh Consider all previously downloaded files out-of-date.
  • --version Show version information. Note See man nix.conf for overriding configuration settings with command line flags.