workflows/eval: consistently avoid "result" in arguments

Everything is a result, especially when nix-build uses "result" as its
default output. This becomes confusing, when re-wiring the different
parts later.

Thus, consistently name those things after some of their properties and
avoid the term result.

.github/workflows/eval.yml

@@ -74,14 +74,15 @@ jobs:
         run: |
           nix-build untrusted/ci -A eval.singleSystem \
             --argstr evalSystem "$MATRIX_SYSTEM" \
-            --arg chunkSize 10000
+            --arg chunkSize 10000 \
+            --out-link merged
           # If it uses too much memory, slightly decrease chunkSize
 
       - name: Upload the output paths and eval stats
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
-          name: intermediate-${{ matrix.system }}
-          path: result/*
+          name: merged-${{ matrix.system }}
+          path: merged/*
 
   process:
     name: Process
@@ -93,8 +94,8 @@ jobs:
       - name: Download output paths and eval stats for all systems
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
         with:
-          pattern: intermediate-*
-          path: intermediate
+          pattern: merged-*
+          path: merged
           merge-multiple: true
 
       - name: Check out the PR at the test merge commit
@@ -111,14 +112,14 @@ jobs:
       - name: Combine all output paths and eval stats
         run: |
           nix-build untrusted/ci -A eval.combine \
-            --arg resultsDir ./intermediate \
-            -o prResult
+            --arg evalDir ./merged \
+            --out-link combined
 
       - name: Upload the combined results
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
-          name: result
-          path: prResult/*
+          name: combined
+          path: combined/*
 
       - name: Get target run id
         if: needs.prepare.outputs.targetSha
@@ -156,8 +157,8 @@ jobs:
       - uses: actions/download-artifact@v4
         if: steps.targetRunId.outputs.targetRunId
         with:
-          name: result
-          path: targetResult
+          name: combined
+          path: target
           merge-multiple: true
           github-token: ${{ github.token }}
           run-id: ${{ steps.targetRunId.outputs.targetRunId }}
@@ -174,15 +175,15 @@ jobs:
 
           # Use the target branch to get accurate maintainer info
           nix-build trusted/ci -A eval.compare \
-            --arg beforeResultDir ./targetResult \
-            --arg afterResultDir "$(realpath prResult)" \
+            --arg beforeDir ./target \
+            --arg afterDir "$(realpath combined)" \
             --arg touchedFilesJson ./touched-files.json \
             --argstr githubAuthorId "$AUTHOR_ID" \
-            -o comparison
+            --out-link comparison
 
           cat comparison/step-summary.md >> "$GITHUB_STEP_SUMMARY"
 
-      - name: Upload the combined results
+      - name: Upload the comparison results
         if: steps.targetRunId.outputs.targetRunId
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
@@ -211,7 +212,7 @@ jobs:
           permission-members: read
           permission-pull-requests: write
 
-      - name: Download process result
+      - name: Download comparison result
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
         with:
           name: comparison

ci/eval/compare/default.nix

@@ -7,8 +7,8 @@
   python3,
 }:
 {
-  beforeResultDir,
-  afterResultDir,
+  beforeDir,
+  afterDir,
   touchedFilesJson,
   githubAuthorId,
   byName ? false,
@@ -20,7 +20,7 @@ let
 
     ---
     Inputs:
-    - beforeResultDir, afterResultDir: The evaluation result from before and after the change.
+    - beforeDir, afterDir: The evaluation result from before and after the change.
       They can be obtained by running `nix-build -A ci.eval.full` on both revisions.
 
     ---
@@ -83,8 +83,8 @@ let
       data = builtins.unsafeDiscardStringContext raw;
     in
     builtins.fromJSON data;
-  beforeAttrs = getAttrs beforeResultDir;
-  afterAttrs = getAttrs afterResultDir;
+  beforeAttrs = getAttrs beforeDir;
+  afterAttrs = getAttrs afterDir;
 
   # Attrs
   # - keys: "added", "changed" and "removed"
@@ -149,8 +149,8 @@ runCommand "compare"
     maintainers = builtins.toJSON maintainers;
     passAsFile = [ "maintainers" ];
     env = {
-      BEFORE_DIR = "${beforeResultDir}";
-      AFTER_DIR = "${afterResultDir}";
+      BEFORE_DIR = "${beforeDir}";
+      AFTER_DIR = "${afterDir}";
     };
   }
   ''

ci/eval/default.nix

@@ -193,9 +193,9 @@ let
 
   combine =
     {
-      resultsDir,
+      evalDir,
     }:
-    runCommand "combined-result"
+    runCommand "combined-eval"
       {
         nativeBuildInputs = [
           jq
@@ -205,11 +205,11 @@ let
         mkdir -p $out
 
         # Combine output paths from all systems
-        cat ${resultsDir}/*/paths.json | jq -s add > $out/outpaths.json
+        cat ${evalDir}/*/paths.json | jq -s add > $out/outpaths.json
 
         mkdir -p $out/stats
 
-        for d in ${resultsDir}/*; do
+        for d in ${evalDir}/*; do
           cp -r "$d"/stats-by-chunk $out/stats/$(basename "$d")
         done
       '';
@@ -225,8 +225,8 @@ let
       quickTest ? false,
     }:
     let
-      results = symlinkJoin {
-        name = "results";
+      evals = symlinkJoin {
+        name = "evals";
         paths = map (
           evalSystem:
           singleSystem {
@@ -236,7 +236,7 @@ let
       };
     in
     combine {
-      resultsDir = results;
+      evalDir = evals;
     };
 
 in