Added possibility to specify sample branch

Author: michalChrobot

.yamato/project-builders/builder.metafile

@@ -2,20 +2,21 @@
 
 NetcodeProjects:
     # Note that we are using internal Unity repo. This means that we may test with newest changes that are not yet released to our users (there are also public versions)
+    # The parameters specify repo location, default branch to use (since you can modify it via job variable), path to manifest.json file so we can replace package entry and path to the project root folder since it differs between projects
     # Note that for BossRoom 'main' branch supports NGOv1.X and 'develop' branch supports NGOv2.X
     # TODO: For BossRoom correct branch to develop when PR-3736 is merged in their repo
     BossRoom:
         GithubRepo: "https://github.com/Unity-Technologies/com.unity.multiplayer.samples.coop.git"
-        branch: ngo-playtest-update
+        defaultBranch: ngo-playtest-update
         manifestPath: Packages/manifest.json
         projectPath: '.'
     Asteroids:
         GithubRepo: "https://github.cds.internal.unity3d.com/unity/Asteroids-CMB-NGO-Sample.git"
-        branch: main
+        defaultBranch: main
         manifestPath: Packages/manifest.json
         projectPath: '.'
     SocialHub:
         GithubRepo: "https://github.com/Unity-Technologies/com.unity.multiplayer.samples.bitesize.git"
-        branch: main
+        defaultBranch: main
         manifestPath: Basic/DistributedAuthoritySocialHub/Packages/manifest.json
         projectPath: 'Basic/DistributedAuthoritySocialHub'

.yamato/project-builders/project-builders.yml

@@ -30,13 +30,14 @@ build_{{ netcodeProject[0] }}_project:
     SCRIPTING_BACKEND_IL2CPP_MONO: il2cpp
     BURST_ON_OFF: on
     PLATFORM_WIN64_MAC_ANDROID: win64
+    SAMPLE_BRANCH: {{ netcodeProject[1].defaultBranch }}
   commands:
     # Validate inputs passed via Yamato variables
     - python Tools/scripts/BuildAutomation/validate_params.py
     - echo Building {{ netcodeProject[0] }} project with Unity version of %UNITY_VERSION%, Scripting backend %SCRIPTING_BACKEND_IL2CPP_MONO%, Burst %BURST_ON_OFF% for platform %PLATFORM_WIN64_MAC_ANDROID%
 
     # Clone the external project repository into a specific directory. Notice that branch is also specified.
-    - git clone --single-branch --branch {{ netcodeProject[1].branch }} {{ netcodeProject[1].GithubRepo }} C:/ClonedProject
+    - git clone --single-branch --branch %SAMPLE_BRANCH% {{ netcodeProject[1].GithubRepo }} C:/ClonedProject
 
     # Modify the external project's manifest to use the local N4E package from current branch on which this Yamato job is running. (requires python that should be preinstalled in the image)
     - python Tools/scripts/BuildAutomation/manifest_update.py --manifest-path C:/ClonedProject/{{ netcodeProject[1].manifestPath }} --local-package-path %YAMATO_SOURCE_DIR%/com.unity.netcode.gameobjects