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nix3-store-path-from-hash-part(1) General Commands Manual nix3-store-path-from-hash-part(1)

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

Name

nix store path-from-hash-part - get a store path from its hash part

Synopsis

nix store path-from-hash-part [option…] hash-part

Examples

•
Return the full store path with the given hash part:

# nix store path-from-hash-part --store https://cache.nixos.org/ 0i2jd68mp5g6h2sa5k9c85rb80sn8hi9
/nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10

Description

Given the hash part of a store path (that is, the 32 characters following /nix/store/), return the full store path. This is primarily useful in the implementation of binary caches, where a request for a .narinfo file only supplies the hash part (e.g. https://cache.nixos.org/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9.narinfo).

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Consider all previously downloaded files out-of-date.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