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lix/src/nix/log.md
Raito Bezarius b8cb7abcf0 chore: rebrand Nix to Lix when it makes sense 
Here's my guide so far:

$ rg '((?!(recursive).*) Nix
(?!(daemon|store|expression|Rocks!|Packages|language|derivation|archive|account|user|sandbox|flake).*))'
-g '!doc/' --pcre2

All items from this query have been tackled. For the documentation side:
that's for lix-project/lix#162.

Additionally, all remaining references to github.com/NixOS/nix which
were not relevant were also replaced.

Fixes: lix-project/lix#148.
Fixes: lix-project/lix#162.
Change-Id: Ib3451fae5cb8ab8cd9ac9e4e4551284ee6794545
Signed-off-by: Raito Bezarius <raito@lix.systems>
2024-06-01 20:31:24 +02:00

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R""(

Note: this command's interface is based heavily around installables, which you may want to read about first (nix --help).

Examples

  • Get the build log of GNU Hello:

    # nix log nixpkgs#hello

  • Get the build log of a specific store path:

    # nix log /nix/store/lmngj4wcm9rkv3w4dfhzhcyij3195hiq-thunderbird-52.2.1

  • Get a build log from a specific binary cache:

    # nix log --store https://cache.nixos.org nixpkgs#hello

Description

This command prints the log of a previous build of the installable on standard output.

Lix looks for build logs in two places:

  • In the directory /nix/var/log/nix/drvs, which contains logs for locally built derivations.

  • In the binary caches listed in the substituters setting. Logs should be named <cache>/log/<base-name-of-store-path>, where store-path is a derivation, e.g. https://cache.nixos.org/log/dvmig8jgrdapvbyxb1rprckdmdqx08kv-hello-2.10.drv. For non-derivation store paths, Lix will first try to determine the deriver by fetching the .narinfo file for this store path.

)""