top-level/release-outpaths: move to ci/eval

These files are tightly coupled with the code in ci/eval and not used
anywhere else. They are subject to the same backporting requirements as
the remaining CI code. They are better placed next here.

(cherry picked from commit 0d51e920d3)

ci/eval/attrpaths.nix

@@ -2,7 +2,7 @@
 # *superset* of all attrpaths of derivations which might be
 # part of a release on *any* platform.
 #
-# Both this expression and what ofborg uses (release-outpaths.nix)
+# Both this expression and what ofborg uses (outpaths.nix)
 # are essentially single-threaded (under the current cppnix
 # implementation).
 #
@@ -19,7 +19,7 @@
 #
 # To dump the attrnames:
 #
-#   nix-instantiate --eval --strict --json pkgs/top-level/release-attrpaths-superset.nix -A names
+#   nix-instantiate --eval --strict --json ci/eval/attrpaths.nix -A names
 #
 {
   lib ? import (path + "/lib"),
@@ -81,7 +81,7 @@ let
     in
     if !trace then result else lib.trace "** ${lib.concatStringsSep "." path}" result;
 
-  releaseOutpaths = import ./release-outpaths.nix {
+  outpaths = import ./outpaths.nix {
     inherit checkMeta;
     attrNamesOnly = true;
     inherit path;
@@ -104,7 +104,7 @@ let
       "stdenv"
     ]
   ]
-  ++ justAttrNames [ ] releaseOutpaths;
+  ++ justAttrNames [ ] outpaths;
 
   names = map (path: (lib.concatStringsSep "." path)) paths;
 

ci/eval/chunk.nix

@@ -1,5 +1,4 @@
-# This file works in tandem with ../../ci/eval/default.nix
-# It turns ./release-outpaths.nix into chunks of a fixed size
+# This turns ./outpaths.nix into chunks of a fixed size.
 {
   lib ? import ../../lib,
   path ? ../..,
@@ -16,7 +15,7 @@ let
   attrpaths = lib.importJSON attrpathFile;
   myAttrpaths = lib.sublist (chunkSize * myChunk) chunkSize attrpaths;
 
-  unfiltered = import ./release-outpaths.nix {
+  unfiltered = import ./outpaths.nix {
     inherit path;
     inherit checkMeta includeBroken systems;
   };

ci/eval/default.nix

@@ -26,6 +26,11 @@ let
       root = ../..;
       fileset = unions (
         map (lib.path.append ../..) [
+          ".version"
+          "ci/supportedSystems.json"
+          "ci/eval/attrpaths.nix"
+          "ci/eval/chunk.nix"
+          "ci/eval/outpaths.nix"
           "default.nix"
           "doc"
           "lib"
@@ -33,8 +38,6 @@ let
           "modules"
           "nixos"
           "pkgs"
-          ".version"
-          "ci/supportedSystems.json"
         ]
       );
     };
@@ -60,7 +63,7 @@ let
         export GC_INITIAL_HEAP_SIZE=4g
         command time -f "Attribute eval done [%MKB max resident, %Es elapsed] %C" \
           nix-instantiate --eval --strict --json --show-trace \
-            "$src/pkgs/top-level/release-attrpaths-superset.nix" \
+            "$src/ci/eval/attrpaths.nix" \
             -A paths \
             -I "$src" \
             --option restrict-eval true \
@@ -99,7 +102,7 @@ let
         set +e
         command time -o "$outputDir/timestats/$myChunk" \
           -f "Chunk $myChunk on $system done [%MKB max resident, %Es elapsed] %C" \
-          nix-env -f "${nixpkgs}/pkgs/top-level/release-outpaths-parallel.nix" \
+          nix-env -f "${nixpkgs}/ci/eval/chunk.nix" \
           --eval-system "$system" \
           --option restrict-eval true \
           --option allow-import-from-derivation false \

ci/eval/outpaths.nix

@@ -1,6 +1,6 @@
 #!/usr/bin/env nix-shell
 # When using as a callable script, passing `--argstr path some/path` overrides $PWD.
-#!nix-shell -p nix -i "nix-env -qaP --no-name --out-path --arg checkMeta true -f pkgs/top-level/release-outpaths.nix"
+#!nix-shell -p nix -i "nix-env -qaP --no-name --out-path --arg checkMeta true -f ci/eval/outpaths.nix"
 
 # Vendored from:
 #   https://raw.githubusercontent.com/NixOS/ofborg/74f38efa7ef6f0e8e71ec3bfc675ae4fb57d7491/ofborg/src/outpaths.nix
@@ -9,11 +9,11 @@
   includeBroken ? true, # set this to false to exclude meta.broken packages from the output
   path ? ./../..,
 
-  # used by pkgs/top-level/release-attrnames-superset.nix
+  # used by ./attrpaths.nix
   attrNamesOnly ? false,
 
   # Set this to `null` to build for builtins.currentSystem only
-  systems ? builtins.fromJSON (builtins.readFile ../../ci/supportedSystems.json),
+  systems ? builtins.fromJSON (builtins.readFile ../supportedSystems.json),
 }:
 let
   lib = import (path + "/lib");

pkgs/top-level/release.nix

@@ -56,12 +56,10 @@
   # resulting tree of attributes to *not* have a ".${system}"
   # suffixed upon every job name like Hydra expects.
   #
-  # This flag exists mainly for use by
-  # pkgs/top-level/release-attrnames-superset.nix; see that file for
-  # full details.  The exact behavior of this flag may change; it
-  # should be considered an internal implementation detail of
-  # pkgs/top-level/.
-  #
+  # This flag exists mainly for use by ci/eval/attrpaths.nix; see
+  # that file for full details.  The exact behavior of this flag
+  # may change; it should be considered an internal implementation
+  # detail of ci/eval.
   attrNamesOnly ? false,
 }: