Unity-Technologies
diff --git a/‎.yamato/ngo-publish.yml‎
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diff --git a/‎Tools/scripts/ReleaseAutomation/release_config.py‎
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diff --git a/‎Tools/scripts/ReleaseAutomation/run_release_preparation.py‎
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diff --git a/‎Tools/scripts/Utils/commitChangelogAndPackageVersionUpdates.py‎
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@@ -0,0 +1,12 @@
+ngo_release_preparation:
+  name: "NGO release preparation"
+  agent: { type: Unity::VM, flavor: b1.small, image: package-ci/ubuntu-22.04:v4 }
+  triggers:
+    recurring:
+      - branch: develop-2.0.0 # We make new releases from this branch
+        frequency: weekly # Run at some point every Saturday. Note that it's restricted to every 4th Saturday inside the script
+  rerun: always
+  commands:
+    - pip install PyGithub
+    - pip install GitPython
+    - python Tools/scripts/ReleaseAutomation/run_release_preparation.py
@@ -0,0 +1,189 @@
+"""Netcode configuration for the release process automation."""
+
+import datetime
+import sys
+import os
+from github import Github
+from github import GithubException
+
+PARENT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '../'))
+sys.path.insert(0, PARENT_DIR)
+
+from Utils.general_utils import get_package_version_from_manifest
+from release import make_package_release_ready
+
+class GithubUtils:
+    def __init__(self, access_token, repo):
+        self.github = Github(base_url="https://api.github.com",
+                             login_or_token=access_token)
+        self.repo = self.github.get_repo(repo)
+
+    def is_branch_present(self, branch_name):
+        try:
+            self.repo.get_branch(branch_name)
+            return True # Branch exists
+
+        except GithubException as ghe:
+            if ghe.status == 404:
+                return False # Branch does not exist
+            raise Exception(f"An error occurred with the GitHub API: {ghe.status}", data=ghe.data)
+
+class ReleaseConfig:
+    """A simple class to hold all shared configuration."""
+    def __init__(self):
+        self.manifest_path = 'com.unity.netcode.gameobjects/package.json'
+        self.changelog_path = 'com.unity.netcode.gameobjects/CHANGELOG.md'
+        self.validation_exceptions_path = './ValidationExceptions.json'
+        self.github_repo = 'Unity-Technologies/com.unity.netcode.gameobjects'
+        self.default_repo_branch = 'develop-2.0.0' # Changelog and package version change will be pushed to this branch
+        self.yamato_project_id = '1201'
+        self.command_to_run_on_release_branch = make_package_release_ready
+
+        self.release_weekday = 5  # Saturday
+        self.release_week_cycle = 4  # Release every 4 weeks
+        self.anchor_date = datetime.date(2025, 7, 19) # Anchor date for the release cycle (previous release Saturday)
+
+        self.package_version = get_package_version_from_manifest(self.manifest_path)
+        self.release_branch_name = f"release/{self.package_version}" # Branch from which we want to release
+        self.commit_message = f"Updated changelog and package version for Netcode in anticipation of v{self.package_version} release"
+
+        GITHUB_TOKEN_NAME = "NETCODE_GITHUB_TOKEN"
+        YAMATO_API_KEY_NAME = "NETCODE_YAMATO_API_KEY"
+        self.github_token = os.environ.get(GITHUB_TOKEN_NAME)
+        self.yamato_api_token = os.environ.get(YAMATO_API_KEY_NAME)
+        self.commiter_name = "netcode-automation"
+        self.commiter_email = "[email protected]"
+
+        self.yamato_samples_to_build = [
+            {
+                "name": "BossRoom",
+                "jobDefinition": f".yamato%2Fproject-builders%2Fproject-builders.yml%23build_BossRoom_project",
+            },
+            {
+                "name": "Asteroids",
+                "jobDefinition": f".yamato%2Fproject-builders%2Fproject-builders.yml%23build_Asteroids_project",
+            },
+            {
+                "name": "SocialHub",
+                "jobDefinition": f".yamato%2Fproject-builders%2Fproject-builders.yml%23build_SocialHub_project",
+            }
+        ]
+
+        self.yamato_build_automation_configs = [
+            {
+                "job_name": "Build Sample for Windows with minimal supported editor (2022.3), burst ON, IL2CPP",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "on" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "win64" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "il2cpp" },
+                    { "key": "UNITY_VERSION", "value": "2022.3" } # Minimal supported editor
+                ]
+            },
+            {
+                "job_name": "Build Sample for Windows with latest functional editor (6000.2), burst ON, IL2CPP",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "on" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "win64" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "il2cpp" },
+                    { "key": "UNITY_VERSION", "value": "6000.2" } # Editor that most our users will use (not alpha). Sometimes when testing on trunk we have weird editor issues not caused by us so the preference will be to test on latest editor that our users will use.
+                ]
+            },
+            {
+                "job_name": "Build Sample for Windows with latest editor (trunk), burst ON, IL2CPP",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "on" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "win64" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "il2cpp" },
+                    { "key": "UNITY_VERSION", "value": "trunk" } # latest editor
+                ]
+            },
+            {
+                "job_name": "Build Sample for MacOS with minimal supported editor (2022.3), burst OFF, Mono",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "off" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "mac" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "mono" },
+                    { "key": "UNITY_VERSION", "value": "2022.3" } # Minimal supported editor
+                ]
+            },
+            {
+                "job_name": "Build Sample for MacOS with latest functional editor (6000.2), burst OFF, Mono",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "off" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "mac" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "mono" },
+                    { "key": "UNITY_VERSION", "value": "6000.2" } # Editor that most our users will use (not alpha). Sometimes when testing on trunk we have weird editor issues not caused by us so the preference will be to test on latest editor that our users will use.
+                ]
+            },
+            {
+                "job_name": "Build Sample for MacOS with latest editor (trunk), burst OFF, Mono",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "off" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "mac" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "mono" },
+                    { "key": "UNITY_VERSION", "value": "trunk" } # latest editor
+                ]
+            },
+            {
+                "job_name": "Build Sample for Android with minimal supported editor (2022.3), burst ON, IL2CPP",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "on" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "android" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "il2cpp" },
+                    { "key": "UNITY_VERSION", "value": "2022.3" } # Minimal supported editor
+                ]
+            },
+            {
+                "job_name": "Build Sample for Android with latest functional editor (6000.2), burst ON, IL2CPP",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "on" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "android" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "il2cpp" },
+                    { "key": "UNITY_VERSION", "value": "6000.2" } # Editor that most our users will use (not alpha). Sometimes when testing on trunk we have weird editor issues not caused by us so the preference will be to test on latest editor that our users will use.
+                ]
+            },
+            {
+                "job_name": "Build Sample for Android with latest editor (trunk), burst ON, IL2CPP",
+                "variables": [
+                    { "key": "BURST_ON_OFF", "value": "on" },
+                    { "key": "PLATFORM_WIN64_MAC_ANDROID", "value": "android" },
+                    { "key": "SCRIPTING_BACKEND_IL2CPP_MONO", "value": "il2cpp" },
+                    { "key": "UNITY_VERSION", "value": "trunk" } # latest editor
+                ]
+            }
+        ]
+
+        error_messages = []
+        if not os.path.exists(self.manifest_path):
+            error_messages.append(f" Path does not exist: {self.manifest_path}")
+
+        if not os.path.exists(self.changelog_path):
+            error_messages.append(f" Path does not exist: {self.changelog_path}")
+
+        if not os.path.exists(self.validation_exceptions_path):
+            error_messages.append(f" Path does not exist: {self.validation_exceptions_path}")
+
+        if not callable(self.command_to_run_on_release_branch):
+            error_messages.append("command_to_run_on_release_branch is not a function! Actual value:", self.command_to_run_on_release_branch)
+
+        if self.package_version is None:
+            error_messages.append(f"Package version not found at {self.manifest_path}")
+
+        if not self.github_token:
+            error_messages.append(f"Error: {GITHUB_TOKEN_NAME} environment variable not set.")
+
+        if not self.yamato_api_token:
+            error_messages.append(f"Error: {YAMATO_API_KEY_NAME} environment variable not set.")
+
+        # Initialize PyGithub and get the repository object
+        self.github_manager = GithubUtils(self.github_token, self.github_repo)
+
+        if not self.github_manager.is_branch_present(self.default_repo_branch):
+            error_messages.append(f"Branch '{self.default_repo_branch}' does not exist.")
+
+        if self.github_manager.is_branch_present(self.release_branch_name):
+            error_messages.append(f"Branch '{self.release_branch_name}' is already present in the repo.")
+
+        if error_messages:
+            summary = "Failed to initialize NetcodeReleaseConfig due to invalid setup:\n" + "\n".join(f"- {msg}" for msg in error_messages)
+            raise ValueError(summary)
@@ -0,0 +1,37 @@
+"""Automation for package release process."""
+
+import sys
+import os
+
+PARENT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '../'))
+sys.path.insert(0, PARENT_DIR)
+
+from ReleaseAutomation.release_config import ReleaseConfig
+from Utils.git_utils import create_branch_execute_commands_and_push
+from Utils.verifyReleaseConditions import verifyReleaseConditions
+from Utils.commitChangelogAndPackageVersionUpdates import commitChangelogAndPackageVersionUpdates
+from Utils.triggerYamatoJobsForReleasePreparation import trigger_release_preparation_jobs
+
+def PrepareNetcodePackageForRelease():
+    try:
+        config = ReleaseConfig()
+
+        print("\nStep 1: Verifying release conditions...")
+        verifyReleaseConditions(config)
+
+        print("\nStep 2: Creating release branch...")
+        create_branch_execute_commands_and_push(config)
+
+        print("\nStep 3: Triggering Yamato validation jobs...")
+        trigger_release_preparation_jobs(config)
+
+        print("\nStep 4: Committing changelog and version updates...")
+        commitChangelogAndPackageVersionUpdates(config)
+
+    except Exception as e:
+        print("\n--- ERROR: Netcode release process failed ---", file=sys.stderr)
+        print(f"Reason: {e}", file=sys.stderr)
+        sys.exit(1)
+
+if __name__ == "__main__":
+    PrepareNetcodePackageForRelease()
@@ -0,0 +1,68 @@
+"""
+Creates a direct commit to specified branch (in the config) to update the changelog, package version and validation exceptions for a new release using the GitHub API.
+Quite often the changelog gets distorted between the time we branch for the release and the time we will branch back.
+To mitigate this we want to create changelog update PR straight away and merge it fast while proceeding with the release.
+
+This will also allow us to skip any PRs after releasing, unless, we made some changes on this branch.
+
+"""
+#!/usr/bin/env python3
+import os
+import sys
+from github import GithubException
+from git import Actor
+
+PARENT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '../'))
+sys.path.insert(0, PARENT_DIR)
+
+from ReleaseAutomation.release_config import ReleaseConfig
+from Utils.general_utils import get_package_version_from_manifest, update_changelog, update_package_version_by_patch, update_validation_exceptions
+from Utils.git_utils import get_local_repo
+
+def commitChangelogAndPackageVersionUpdates(config: ReleaseConfig):
+    """
+    The function updates the changelog and package version of the package in anticipation of a new release.
+    This means that it will
+        1) Clean and update the changelog for the current package version.
+        2) Add new Unreleased section template at the top.
+        3) Update the package version in the package.json file by incrementing the patch version to signify the current state of the package.
+        4) Update package version in the validation exceptions to match the new package version.
+
+    This assumes that at the same time you already branched off for the release. Otherwise it may be confusing
+    """
+
+    try:
+        if not config.github_manager.is_branch_present(config.default_repo_branch):
+            print(f"Branch '{config.default_repo_branch}' does not exist. Exiting.")
+            sys.exit(1)
+
+        repo = get_local_repo()
+        repo.git.fetch('--prune', '--prune-tags')
+        repo.git.checkout(config.default_repo_branch)
+        repo.git.pull("origin", config.default_repo_branch)
+
+        # Update the changelog file with adding new [Unreleased] section
+        update_changelog(config.changelog_path, config.package_version, add_unreleased_template=True)
+        # Update the package version by patch to represent the "current package state" after release
+        updated_package_version = update_package_version_by_patch(config.manifest_path)
+        update_validation_exceptions(config.validation_exceptions_path, updated_package_version)
+
+        repo.git.add(config.changelog_path)
+        repo.git.add(config.manifest_path)
+        repo.git.add(config.validation_exceptions_path)
+
+        author = Actor(config.commiter_name, config.commiter_email)
+        committer = Actor(config.commiter_name, config.commiter_email)
+
+        repo.index.commit(config.commit_message, author=author, committer=committer, skip_hooks=True)
+        repo.git.push("origin", config.default_repo_branch)
+
+        print(f"Successfully updated and pushed the changelog on branch: {config.default_repo_branch}")
+
+    except GithubException as e:
+        print(f"An error occurred with the GitHub API: {e.status}", file=sys.stderr)
+        print(f"Error details: {e.data}", file=sys.stderr)
+        sys.exit(1)
+    except Exception as e:
+        print(f"An unexpected error occurred: {e}", file=sys.stderr)
+        sys.exit(1)