Restore the official YAML conformance archive

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

.gitattributes

@@ -13,4 +13,4 @@
 *.png binary
 *.dll binary
 *.so  binary
-*.zip binary
+*.zip binary -eol

README.md

@@ -163,9 +163,12 @@ does not fit the data.
 
 ## Conformance corpus
 
-The offline test gate runs the complete released `yaml-test-suite` data corpus
-at commit `6ad3d2c62885d82fc349026c136ef560838fdf3d` (generated from source
-commit `45db50ae`). The pinned archive contains 402 inputs:
+The offline test gate runs the latest official `yaml-test-suite` source release,
+`v2022-01-17`, at commit `45db50aecf9b1520f8258938c88f396e96f30831`.
+Its `data-2022-01-17` export is pinned at commit
+`6e6c296ae9c9d2d5c4134b4b64d01b29ac19ff6f` with archive SHA-256
+`47C173AFFEB480517B30FB77DC8C76FD48609B9B65DD1C1D3D0D0BAEE48D6AA9`.
+The archive contains 402 inputs:
 
 | Surface | Pass | PolicyDifference | Fail | NotApplicable |
 | --- | ---: | ---: | ---: | ---: |

tests/Conformance.Tests.ps1

@@ -13,11 +13,19 @@ param()
 
 BeforeAll {
     $archivePath = Join-Path $PSScriptRoot 'fixtures\yaml-test-suite\yaml-test-suite-data-2022-01-17.zip'
+    $sourcesPath = Join-Path $PSScriptRoot 'fixtures\yaml-test-suite\SOURCES.txt'
     $suitePath = Join-Path $TestDrive 'yaml-test-suite'
     Expand-Archive -LiteralPath $archivePath -DestinationPath $suitePath
+    $suiteRoots = @(
+        Get-ChildItem -LiteralPath $suitePath -Directory
+    )
+    if ($suiteRoots.Count -ne 1) {
+        throw "Expected one release archive root, but found $($suiteRoots.Count)."
+    }
+    $suiteDataPath = $suiteRoots[0].FullName
     $suiteResults = @(
         & (Join-Path $PSScriptRoot 'tools\Invoke-YamlTestSuite.ps1') `
-            -Path $suitePath `
+            -Path $suiteDataPath `
             -CompareJson `
             -CompareEvents `
             -CompareOutYaml `
@@ -28,10 +36,18 @@ BeforeAll {
 Describe 'Released yaml-test-suite corpus accounting' {
     It 'uses the pinned unmodified release archive' {
         (Get-FileHash -LiteralPath $archivePath -Algorithm SHA256).Hash |
-            Should -Be 'DCC1F037B13F6C3032D5190C447B6A6EF5560738A4C104F29B4243B0AB8F8029'
+            Should -Be '47C173AFFEB480517B30FB77DC8C76FD48609B9B65DD1C1D3D0D0BAEE48D6AA9'
         $suiteResults.Count | Should -Be 402
     }
 
+    It 'pins the latest official source and data release attribution' {
+        $sources = Get-Content -LiteralPath $sourcesPath -Raw
+
+        $sources | Should -Match 'Latest source release:\s+v2022-01-17'
+        $sources | Should -Match '45db50aecf9b1520f8258938c88f396e96f30831'
+        $sources | Should -Match '6e6c296ae9c9d2d5c4134b4b64d01b29ac19ff6f'
+    }
+
     It 'accounts for syntax recognition and representation-key load policy' {
         @($suiteResults | Where-Object SyntaxResult -EQ 'Pass').Count | Should -Be 400
         @($suiteResults | Where-Object SyntaxResult -EQ 'PolicyDifference').Count |

tests/fixtures/yaml-test-suite/SOURCES.txt

@@ -23,12 +23,18 @@ See LICENSE.txt for the upstream MIT license.
 
 The complete released data corpus is vendored as:
   yaml-test-suite-data-2022-01-17.zip
-Data commit:
-  6ad3d2c62885d82fc349026c136ef560838fdf3d
-Generated from source commit:
-  45db50ae
+Latest source release:
+  v2022-01-17 (verified 2026-07-23)
+Source release commit:
+  45db50aecf9b1520f8258938c88f396e96f30831
+Data release:
+  data-2022-01-17
+Data release commit:
+  6e6c296ae9c9d2d5c4134b4b64d01b29ac19ff6f
+Archive source:
+  https://github.com/yaml/yaml-test-suite/archive/refs/tags/data-2022-01-17.zip
 Archive SHA-256:
-  DCC1F037B13F6C3032D5190C447B6A6EF5560738A4C104F29B4243B0AB8F8029
+  47C173AFFEB480517B30FB77DC8C76FD48609B9B65DD1C1D3D0D0BAEE48D6AA9
 
 The archive contains 402 released inputs in 352 case directories. It is
 consumed locally by tests/tools/Invoke-YamlTestSuite.ps1 without network