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validateLicenses: Warn about derivations lacking licensing information.

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svn path=/nixpkgs/trunk/; revision=30496
This commit is contained in:
Ludovic Courtès 2011-11-20 20:53:15 +00:00
parent 36da53ebc3
commit 4122bd643e
1 changed files with 8 additions and 2 deletions
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10
pkgs/stdenv/adapters.nix
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@ -330,16 +330,22 @@ rec {
{ mkDerivation = args:
let
pkg = stdenv.mkDerivation args;
drv = builtins.unsafeDiscardStringContext pkg.drvPath;
license =
if pkg ? meta && pkg.meta ? license then
pkg.meta.license
else if pkg ? outputHash then
# Fixed-output derivations such as source tarballs usually
# don't have licensing information, but that's OK.
null
else
null;
builtins.trace
"warning: ${drv} lacks licensing information" null;
validate = arg:
if licensePred license then arg
else abort ''
while building ${builtins.unsafeDiscardStringContext pkg.drvPath}:
while building ${drv}:
license `${builtins.toString license}' does not pass the predicate.
'';