nix hash - Nix 2.34.9 Reference Manual

Source: /pages/nix-manual/command-ref/new-cli/nix3-hash

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:

Available commands:

• 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 (deprecated, use nix hash convert instead)
• nix hash to-base32 - convert a hash to base-32 representation (deprecated, use nix hash convert instead)
• nix hash to-base64 - convert a hash to base-64 representation (deprecated, use nix hash convert instead)
• nix hash to-sri - convert a hash to SRI representation (deprecated, use nix hash convert instead)

:

• nix hash convert - convert between hash formats

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• --refresh Consider all previously downloaded files out-of-date.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

nix.dev/manual/nix/stable/command-ref/new-cli/nix3-hash.html