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

Name

nix hash - compute and convert cryptographic hashes

Synopsis

nix hash [option...] subcommand

where subcommand is one of the following:

• nix hash file - print cryptographic hash of a regular file
• nix hash path - print cryptographic hash of the NAR serialisation of a path
• nix hash to-base16 - convert a hash to base-16 representation
• nix hash to-base32 - convert a hash to base-32 representation
• nix hash to-base64 - convert a hash to base-64 representation
• nix hash to-sri - convert a hash to SRI representation

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  Consider all previously downloaded files out-of-date.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.