From 810c4702cfe4ca34259d52dd675029d43686e821 Mon Sep 17 00:00:00 2001
From: Jan Malakhovski <oxij@oxij.org>
Date: Sat, 17 Feb 2018 18:44:23 +0000
Subject: [PATCH] stdenv.mkDerivation: rename `meta.evaluates` ->
 `meta.available`

A much better name.
---
 nixos/doc/manual/default.nix            | 2 +-
 pkgs/stdenv/generic/check-meta.nix      | 2 +-
 pkgs/stdenv/generic/make-derivation.nix | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/nixos/doc/manual/default.nix b/nixos/doc/manual/default.nix
index bbe82066aa0..6098b057a37 100644
--- a/nixos/doc/manual/default.nix
+++ b/nixos/doc/manual/default.nix
@@ -36,7 +36,7 @@ let
           package = args.package or (lib.attrByPath path (throw "Invalid package attribute path `${toString path}'") pkgs);
         in "<listitem>"
         + "<para><literal>pkgs.${name} (${package.meta.name})</literal>"
-        + lib.optionalString (!package.meta.evaluates) " <emphasis>[UNAVAILABLE]</emphasis>"
+        + lib.optionalString (!package.meta.available) " <emphasis>[UNAVAILABLE]</emphasis>"
         + ": ${package.meta.description or "???"}.</para>"
         + lib.optionalString (args ? comment) "\n<para>${args.comment}</para>"
         # Lots of `longDescription's break DocBook, so we just wrap them into <programlisting>
diff --git a/pkgs/stdenv/generic/check-meta.nix b/pkgs/stdenv/generic/check-meta.nix
index dc5e79fcd4f..93d0f4cc980 100644
--- a/pkgs/stdenv/generic/check-meta.nix
+++ b/pkgs/stdenv/generic/check-meta.nix
@@ -159,7 +159,7 @@ let
     executables = listOf str;
     outputsToInstall = listOf str;
     position = str;
-    evaluates = bool;
+    available = bool;
     repositories = attrsOf str;
     isBuildPythonPackage = platforms;
     schedulingPriority = int;
diff --git a/pkgs/stdenv/generic/make-derivation.nix b/pkgs/stdenv/generic/make-derivation.nix
index e021b284a12..e8f78d7401f 100644
--- a/pkgs/stdenv/generic/make-derivation.nix
+++ b/pkgs/stdenv/generic/make-derivation.nix
@@ -238,9 +238,9 @@ rec {
           position = pos.file + ":" + toString pos.line;
         # Expose the result of the checks for everyone to see.
         } // {
-          evaluates = validity.valid
+          available = validity.valid
                    && (if config.checkMetaRecursively or false
-                       then lib.all (d: d.meta.evaluates or true) references
+                       then lib.all (d: d.meta.available or true) references
                        else true);
         };