31eac6fd00
If we passed a localSystem in, we don’t want the current system to
override it. Now we check for localSystem first to avoid getting
"mixed" localSystem values from commands like this:
nix-build --arg localSystem '{config="x86_64-unknown-linux-musl";}' -A hello
Which would eventually evaluate localSystem to this:
{
config = "x86_64-unknown-linux-musl";
system = "x86_64-darwin";
}
& Nix would not be able to run it correctly.
Fixes #41599
/cc @Ericson2314
Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the Hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:
% git remote add channels git://github.com/NixOS/nixpkgs-channels.git
For stability and maximum binary package support, it is recommended to maintain
custom changes on top of one of the channels, e.g. nixos-18.03 for the latest
release and nixos-unstable for the latest successful build of master:
% git remote update channels
% git rebase channels/nixos-18.03
For pull-requests, please rebase onto nixpkgs master.
NixOS Linux distribution source code is located inside
nixos/ folder.
- NixOS installation instructions
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- Manual (How to write packages for Nix)
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