Make it easy to build everything as content-addressed

Add a config field `contentAddressedByDefault` and an associated environment variable `NIXPKGS_CA_BY_DEFAULT` to make every nixpkgs derivation content-addressed by default
3 years ago · cc5b30c6ac
parent 2f45625673
commit cc5b30c6ac
1 changed files with 4 additions and 1 deletions
--- a/pkgs/stdenv/generic/make-derivation.nix
+++ b/pkgs/stdenv/generic/make-derivation.nix
@ -89,7 +89,10 @@ in rec {

    , patches ? []

-    , __contentAddressed ? false
+    , __contentAddressed ?
+      (! attrs ? outputHash) # Fixed-output drvs can't be content addressed too
+      && (config.contentAddressedByDefault or false
+          || builtins.getEnv "NIXPKGS_CA_BY_DEFAULT" == "1")

    , ... } @ attrs: