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author | Matthew Bauer <mjbauer95@gmail.com> | 2018-06-24 23:15:09 -0400 |
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committer | Matthew Bauer <mjbauer95@gmail.com> | 2018-06-25 17:13:02 -0400 |
commit | 31eac6fd0088710c193efebb632f1c97ef3045a6 (patch) | |
tree | 337cb0a047bab6d89bc1d69ad307871da08245da /pkgs/top-level | |
parent | 5000cc555eb35292e3819f73ee497957d1311ab0 (diff) | |
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impure.nix: fix handling of localSystem
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
Diffstat (limited to 'pkgs/top-level')
-rw-r--r-- | pkgs/top-level/impure.nix | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pkgs/top-level/impure.nix b/pkgs/top-level/impure.nix index df462665dd16..dafa351c4e41 100644 --- a/pkgs/top-level/impure.nix +++ b/pkgs/top-level/impure.nix @@ -83,5 +83,6 @@ import ./. (builtins.removeAttrs args [ "system" "platform" ] // { inherit config overlays crossSystem; # Fallback: Assume we are building packages on the current (build, in GNU # Autotools parlance) system. - localSystem = { system = builtins.currentSystem; } // localSystem; + localSystem = (if args ? localSystem then {} + else { system = builtins.currentSystem; }) // localSystem; }) |