Added determinism inspection workflow

.github/workflows/determinism.yaml

@@ -0,0 +1,121 @@
+name: Determinism
+
+on:
+  workflow_dispatch:
+  pull_request:
+    types: [opened, synchronize]
+    paths:
+      - test/determinism/**
+
+jobs:
+  check:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - macos-latest
+          - ubuntu-latest
+          - ubuntu-24.04-arm
+          - windows-latest
+
+    runs-on: ${{ matrix.os }}
+    name: Check (${{ matrix.os }})
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          clean: true
+
+      - uses: bazel-contrib/setup-bazel@0.14.0
+        with:
+          bazelisk-cache: true
+          repository-cache: true
+
+      - name: Choose a work directory (unix)
+        if: runner.os != 'Windows'
+        shell: bash
+        run: |
+          echo "WORK_DIR=$RUNNER_TEMP/r" >> "$GITHUB_ENV"
+
+      - name: Choose a work directory (windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          "WORK_DIR=C:\r" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+
+      - name: Run tests (unix)
+        continue-on-error: true
+        run: >-
+          bazel run
+            --compilation_mode=opt
+            //test/determinism:tester
+            -- test
+            --output="${{ github.workspace }}/results.json"
+            --work-dir="${{ env.WORK_DIR }}"
+
+      - name: Summarize (unix)
+        if: runner.os != 'Windows'
+        shell: bash
+        run: |
+          if [[ ! -f results.json ]]; then
+            exit 1
+          fi
+
+          {
+            echo '<details>'
+            echo
+            echo '```json'
+            cat results.json
+            echo
+            echo '```'
+            echo
+            echo '</details>'
+          } >> "$GITHUB_STEP_SUMMARY"
+
+          if [[ "$(cat results.json)" != "[]"* ]]; then
+            exit 1
+          fi
+
+      - name: Summarize (windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          if (-not (Test-Path results.json)) { exit 1 }
+
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value '<details>'
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value ''
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value '```json'
+          Get-Content -Path results.json | Add-Content -Path $env:GITHUB_STEP_SUMMARY
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value ''
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value '```'
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value ''
+          Add-Content -Path $env:GITHUB_STEP_SUMMARY -Value '</details>'
+
+          $content = Get-Content -Path results.json -Raw
+          if (-not $content.StartsWith('[]')) { exit 1 }
+
+      - name: Archive output base (unix)
+        if: runner.os != 'Windows' && always()
+        shell: bash
+        run: |
+          if [[ -d "${{ env.WORK_DIR }}/o" ]]; then
+            tar -czf output-base.tar.gz -C "${WORK_DIR}" o
+          fi
+
+      - name: Archive output base (windows)
+        if: runner.os == 'Windows' && always()
+        shell: pwsh
+        run: |
+          if (Test-Path "${{ env.WORK_DIR }}\o") {
+            Compress-Archive -Path "${{ env.WORK_DIR }}\o" -DestinationPath output-base.zip
+          }
+
+      - name: Upload output base artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: output-base-${{ matrix.os }}
+          path: |
+            output-base.tar.gz
+            output-base.zip
+          if-no-files-found: ignore

MODULE.bazel

@@ -66,6 +66,17 @@ use_repo(
     "buildkite_config",
     "generated_inputs_in_external_repo",
     "libc",
+    "rrtd",
+    "rrtd__anyhow-1.0.100",
+    "rrtd__blake3-1.8.2",
+    "rrtd__clap-4.5.50",
+    "rrtd__serde-1.0.228",
+    "rrtd__serde_json-1.0.145",
+    "rrtd__tempfile-3.23.0",
+    "rrtd__tokio-1.48.0",
+    "rrtd__tracing-0.1.41",
+    "rrtd__tracing-subscriber-0.3.20",
+    "rrtd__walkdir-2.5.0",
     "rtra",
     "rtra__serde-1.0.228",
     "rtra__serde_json-1.0.149",

test/cargo_build_script/compile_data/test.rs

@@ -2,5 +2,5 @@
 pub fn test_compile_data() {
     let data = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/", env!("DATA")));
 
-    assert_eq!("La-Li-Lu-Le-Lo\n", data);
+    assert_eq!("La-Li-Lu-Le-Lo", data.trim());
 }

test/deps.bzl

@@ -2,6 +2,7 @@
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+load("//test/determinism/3rdparty/crates:crates.bzl", determinism_test_crate_repositories = "crate_repositories")
 load("//test/generated_inputs:external_repo.bzl", "generated_inputs_in_external_repo")
 load("//test/load_arbitrary_tool:load_arbitrary_tool_test.bzl", "load_arbitrary_tool_test")
 load("//test/rust_analyzer/3rdparty/crates:crates.bzl", rust_analyzer_test_crate_repositories = "crate_repositories")
@@ -42,6 +43,7 @@ def rules_rust_test_deps(is_bzlmod = False):
     direct_deps.extend(generated_inputs_in_external_repo())
     direct_deps.extend(rust_analyzer_test_crate_repositories())
     direct_deps.extend(vscode_test_crate_repositories())
+    direct_deps.extend(determinism_test_crate_repositories())
 
     maybe(
         http_archive,

test/determinism/3rdparty/BUILD.bazel

@@ -0,0 +1,34 @@
+load("//crate_universe:defs.bzl", "crate", "crates_vendor")
+
+crates_vendor(
+    name = "crates_vendor",
+    cargo_lockfile = "Cargo.Bazel.lock",
+    mode = "remote",
+    packages = {
+        "anyhow": crate.spec(version = "1.0.97"),
+        "blake3": crate.spec(version = "1.6.1"),
+        "clap": crate.spec(
+            features = [
+                "derive",
+                "env",
+            ],
+            version = "4.5.32",
+        ),
+        "serde": crate.spec(
+            features = ["derive"],
+            version = "1.0.219",
+        ),
+        "serde_json": crate.spec(version = "1.0.140"),
+        "tempfile": crate.spec(version = "3.19.0"),
+        "tokio": crate.spec(
+            features = ["full"],
+            version = "1.44.1",
+        ),
+        "tracing": crate.spec(version = "0.1.41"),
+        "tracing-subscriber": crate.spec(version = "0.3.19"),
+        "walkdir": crate.spec(version = "2.5.0"),
+    },
+    # `rrtd` == `rules_rust_test_determinism`
+    repository_name = "rrtd",
+    tags = ["manual"],
+)