• --template / -t template
The template to use.
Commonevaluationoptions
• --arg nameexpr
Pass the value expr as the argument name to Nix functions.
• --arg-from-file namepath
Pass the contents of file path as the argument name to Nix functions.
• --arg-from-stdin name
Pass the contents of stdin as the argument name to Nix functions.
• --argstr namestring
Pass the string string as the argument name to Nix functions.
• --debugger
Start an interactive environment if evaluation fails.
• --eval-store store-url
The URL of the Nix store to use for evaluation, i.e. to store derivations (.drv files) and inputs
referenced by them.
• --impure
Allow access to mutable paths and repositories.
• --include / -I path
Add path to search path entries used to resolve lookup paths
This option may be given multiple times.
Paths added through -I take precedence over the nix-path configuration setting and the NIX_PATH
environment variable.
• --override-flake original-refresolved-ref
Override the flake registries, redirecting original-ref to resolved-ref.
Logging-relatedoptions
• --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.
Miscellaneousglobaloptions
• --help
Show usage information.
• --offline
Disable substituters and consider all previously downloaded files up-to-date.
• --option namevalue
Set the Nix configuration setting name to value (overriding nix.conf).
• --refresh
Consider all previously downloaded files out-of-date.
• --repair
During evaluation, rewrite missing or corrupted files in the Nix store. During building, rebuild
missing or corrupted store paths.
• --version
Show version information.
Note
See man nix.conf for overriding configuration settings with command line flags.
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