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authorAlexander Ried <ried@mytum.de>2016-10-22 02:10:38 +0200
committerAlexander Ried <ried@mytum.de>2016-10-22 02:43:13 +0200
commit43ce115ca91d34af1640f9ece2e5526e44dd2c7e (patch)
tree85130a78dbd59edc6af0209e82781999309b9015 /pkgs/stdenv/generic
parent89672d530b19296b5f0085082e65a071786fdd47 (diff)
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stdenv.hasLicense: ? supports nested lookup
this avoids one copy of the attrset
Diffstat (limited to 'pkgs/stdenv/generic')
-rw-r--r--pkgs/stdenv/generic/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/stdenv/generic/default.nix b/pkgs/stdenv/generic/default.nix
index 372fd3cfa526..f969d246ff57 100644
--- a/pkgs/stdenv/generic/default.nix
+++ b/pkgs/stdenv/generic/default.nix
@@ -44,7 +44,7 @@ let
       throw "whitelistedLicenses and blacklistedLicenses are not mutually exclusive.";
 
   hasLicense = attrs:
-    builtins.hasAttr "meta" attrs && builtins.hasAttr "license" attrs.meta;
+    attrs ? meta.license;
 
   hasWhitelistedLicense = assert areLicenseListsValid; attrs:
     hasLicense attrs && builtins.elem attrs.meta.license whitelist;