Reference

nix3-hash(1)

compute and convert cryptographic hashes

Warning
This program is experimental ⟨@docroot@/development/experimental-features.md#xp-feature-nix-command⟩ 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 ⟨./nix3-hash-file.md⟩ - print cryptographic hash of a regular file

•

nix hash path ⟨./nix3-hash-path.md⟩ - print cryptographic hash of the NAR serialisation of a path

•

nix hash to-base16 ⟨./nix3-hash-to-base16.md⟩ - convert a hash to base-16 representation (deprecated, use nix hash convert instead)

•

nix hash to-base32 ⟨./nix3-hash-to-base32.md⟩ - convert a hash to base-32 representation (deprecated, use nix hash convert instead)

•

nix hash to-base64 ⟨./nix3-hash-to-base64.md⟩ - convert a hash to base-64 representation (deprecated, use nix hash convert instead)

•

nix hash to-sri ⟨./nix3-hash-to-sri.md⟩ - convert a hash to SRI representation (deprecated, use nix hash convert instead)

:

•

nix hash convert ⟨./nix3-hash-convert.md⟩ - convert between hash formats

Options

Logging-related options

•

--debug ⟨#opt-debug⟩

Set the logging verbosity level to ‘debug’.

•

--log-format ⟨#opt-log-format⟩ format

Set the format of log output; one of raw, internal-json, bar or bar-with-logs.

•

--print-build-logs ⟨#opt-print-build-logs⟩ / -L

Print full build logs on standard error.

•

--quiet ⟨#opt-quiet⟩

Decrease the logging verbosity level.

•

--verbose ⟨#opt-verbose⟩ / -v

Increase the logging verbosity level.

Miscellaneous global options

•

--help ⟨#opt-help⟩

Show usage information.

•

--offline ⟨#opt-offline⟩

Disable substituters and consider all previously downloaded files up-to-date.

•

--option ⟨#opt-option⟩ name value

Set the Nix configuration setting name to value (overriding nix.conf).

•

--refresh ⟨#opt-refresh⟩

Consider all previously downloaded files out-of-date.

•

--version ⟨#opt-version⟩

Show version information.

Note

See man nix.conf ⟨@docroot@/command-ref/conf-file.md#command-line-flags⟩ for overriding configuration settings with command line flags.

History