lix/src/nix/store-copy-log.md
2022-01-18 17:37:04 +01:00

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Examples

  • To copy the build log of the hello package from https://cache.nixos.org to the local store:

    # nix store copy-log --from https://cache.nixos.org --eval-store auto nixpkgs#hello
    

    You can verify that the log is available locally:

    # nix log --substituters '' nixpkgs#hello
    

    (The flag --substituters '' avoids querying https://cache.nixos.org for the log.)

  • To copy the log for a specific store derivation via SSH:

    # nix store copy-log --to ssh-ng://machine /nix/store/ilgm50plpmcgjhcp33z6n4qbnpqfhxym-glibc-2.33-59.drv
    

Description

nix store copy-log copies build logs between two Nix stores. The source store is specified using --from and the destination using --to. If one of these is omitted, it defaults to the local store.

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