Merging final GDK for Unreal 0.12.0 release

Release 0.12.0

.buildkite/premerge.definition.yaml

@@ -7,5 +7,5 @@ github:
 teams:
 - name: Everyone
   permission: BUILD_AND_READ
-- name: gbu/develop/unreal
+- name: gen/team/unreal
   permission: MANAGE_BUILD_AND_READ

.buildkite/premerge.steps.yaml

@@ -34,15 +34,15 @@ windows: &windows
     - "platform=windows"
     - "permission_set=builder"
     - "scaler_version=2"
-    - "queue=${CI_WINDOWS_BUILDER_QUEUE:-v4-20-03-26-102432-bk9951-8afe0ffb}"
+    - "queue=${CI_WINDOWS_BUILDER_QUEUE:-v4-20-11-18-224740-bk17641-0c4125be-d}"
   retry:
     automatic:
       - <<: *agent_transients
       - <<: *bk_system_error
       - <<: *bk_interrupted_by_signal
   timeout_in_minutes: 60
   plugins:
-    - ca-johnson/taskkill#v4.1: ~
+    - improbable-eng/taskkill#v4.4.1: ~
 
 # NOTE: step labels turn into commit-status names like {org}/{repo}/{pipeline}/{step-label}, lower-case and hyphenated.
 # These are then relied on to have stable names by other things, so once named, please beware renaming has consequences.

.buildkite/release.definition.yaml

@@ -7,5 +7,5 @@ github:
 teams:
 - name: Everyone
   permission: READ_ONLY
-- name: gbu/develop/unreal
+- name: gen/team/unreal
   permission: MANAGE_BUILD_AND_READ

.buildkite/release.steps.yaml

@@ -35,7 +35,17 @@ steps:
         key: "engine-source-branches"
         required: true
         hint: "The Unreal Engine branch (or branches) that you want to create release candidates from. Put each branch on a separate line with the primary Engine version at the top."
-        default: "4.24-SpatialOSUnrealGDK\n4.23-SpatialOSUnrealGDK"
+        default: "4.26-SpatialOSUnrealGDK\n4.25-SpatialOSUnrealGDK\n4.24-SpatialOSUnrealGDK"
+
+      - select: "Actual release or dry-run?"
+        key: "dry-run"
+        required: true
+        default: "true"
+        options:
+          - label: "Dry-run release"
+            value: "true"
+          - label: "Full actual release"
+            value: "false"
 
   # Stage 1: Prepare the release candidates. Prepare steps create a PR and upload metadata but do not release anything.
   - label: "Prepare the release"
@@ -47,9 +57,9 @@ steps:
     concurrency: 1
     concurrency_group: "unrealgdk-release"
 
-  - wait
-  
-# Stage 2: Builds all UnrealEngine release candidates, compresses and uploads Engine artifacts to Google Cloud Storage for use by test pipelines.
+  - wait: ~
+
+  # Stage 2: Builds all UnrealEngine release candidates, compresses and uploads Engine artifacts to Google Cloud Storage for use by test pipelines.
   - label: "Build & upload all UnrealEngine release candidates"
     command: ci/generate-unrealengine-premerge-trigger.sh | tee /dev/fd/2 | buildkite-agent pipeline upload
     <<: *common # This folds the YAML named anchor into this step. Overrides, if any, should follow, not precede.
@@ -61,8 +71,7 @@ steps:
     #TODO: This step is actually not strictly necessary. It will be removed as part of: UNR-3662
     skip: true
 
- # Stage 3: Run all tests against the release candidates.
- # Block steps require a human to click a button. This 
+  # Stage 3: Run all tests against the release candidates.
   - block: "Run all tests"
     prompt: "This action triggers all tests. Tests depend on the presence of unrealengine-premerge artifacts in Google Cloud Storage. Only click OK if the above unrealengine-premerge build(s) have passed."
 
@@ -74,11 +83,23 @@ steps:
         permit_on_passed: true
     concurrency: 1
     concurrency_group: "unrealgdk-release"
-
-  - wait
 
-  # Stage 4: Promote the release candiates to their respective release branches.
+  - wait: ~
+
+  # Stage 4: Prepare the release candidates for the full release, updating references to the post-release state.
+  - block: "Prepare release candidate branches for full release"
+    prompt: "This will prepare all the release candidate branches with updated release-like references in preparation for the full release, which should be soon afterwards."
 
+  - label: "Prepare release canidadate branches for full release"
+    command: ci/prepare-full-release.sh
+    <<: *common # This folds the YAML named anchor into this step. Overrides, if any, should follow, not precede.
+    retry:
+      manual:
+        permit_on_passed: true
+    concurrency: 1
+    concurrency_group: "unrealgdk-release"
+
+  # Stage 5: Promote the release candiates to their respective release branches.
   # Block steps require a human to click a button, this is a safety precaution.
   - block: "Unblock the release"
     prompt: "This action will merge all release candidates into their respective release branches."
@@ -89,16 +110,13 @@ steps:
     concurrency_group: "unrealgdk-release"
     <<: *common # This folds the YAML named anchor into this step. Overrides, if any, should follow, not precede.
 
- # Stage 5: Mirror the release code from Github to Gitee
+ # Stage 6: Mirror the release code from Github to Gitee
   - block: "Unblock mirror code to gitee"
     prompt: "This action will mirror all of the release code to gitee."
 
   - trigger: platform-copybara
     label: "Run platform-copybara"
-    depends_on: Release
-      build:
-        message: "Triggered from UnrealGDK Release"
-        commit: "HEAD"
-        branch: "master"
-    concurrency: 1
-    concurrency_group: "unrealgdk-release"
+    build:
+      message: "Triggered from UnrealGDK Release"
+      commit: "HEAD"
+      branch: "master"

.gitattributes

@@ -1,8 +1,9 @@
 * text=auto
 *.go text eol=lf
 
-# Bat files should not be normalized
+# Bat files and version files should not be normalized
 *.bat -text
+*.version -text
 
 # Don't count vendored go code as part of language stats.
 go/src/improbable.io/vendor/* linguist-vendored