4

Is there any way to force removing a package from /nix/store/..

I am testing my expression for my package and want to make sure it will rebuild correctly.

The problem is if I build my package once, the next time I build it again it will use the cache.

I use this command to test my package

nix-shell -I nixpkgs=</path/to/repo> -p <package_name>

I don't want to use nix-collect-garbage because it remove lot of buildInputs too.

Looking for something like nix-cg <package_name>

  • 2
    while Vladimir is right, you can achive what you want with --check argument, for example, nix-build '<nixpkgs>' -A hello --check will rebuild hello even if it is available in cache – danbst May 16 '18 at 12:19
7

nix-store --delete /path Note that the path might be alive and thus refused to be deleted without --ignore-liveness and root privileges.

  • sudo nix-store --delete --ignore-liveness /nix/store/XXX – srghma Sep 9 '18 at 11:27
  • 1
    Careful with that! I just recursively deleted my entire system and had to recover from the install USB. – Jeff Jul 16 at 3:28

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