SERVER-104312: git age check (#43161)

GitOrigin-RevId: f869e75af91c4619fe7d5be74933023c873213a7

bazel/wrapper_hook/BUILD.bazel

@@ -7,6 +7,7 @@ py_library(
         "compiledb.py",
         "engflow_check.py",
         "generate_common_bes_bazelrc.py",
+        "git_age_check.py",
         "install_modules.py",
         "lint.py",
         "plus_interface.py",

bazel/wrapper_hook/git_age_check.py

@@ -0,0 +1,51 @@
+import datetime
+import os
+import pathlib
+import platform
+import subprocess
+import sys
+import time
+
+REPO_ROOT = str(pathlib.Path(__file__).parent.parent.parent)
+sys.path.append(REPO_ROOT)
+
+from bazel.wrapper_hook.wrapper_debug import wrapper_debug
+
+
+def check():
+    """Check if the git branch is older than 7 weeks."""
+
+    wrapper_debug(f"Checking git branch age {REPO_ROOT}")
+
+    if os.environ.get("CI") is None and platform.machine().lower() not in {"ppc64le", "s390x"}:
+        try:
+            git_log_output = subprocess.check_output(
+                ["git", "log", '--pretty=format:"%ad"', "master..HEAD"], cwd=REPO_ROOT
+            )
+            wrapper_debug(f"Git log output: {git_log_output}")
+            git_dates = git_log_output.decode("utf-8").strip().split("\n")
+            if not git_dates or git_dates == [""]:
+                wrapper_debug("No new commits found on the current branch compared to master.")
+                return
+            latest_commit_date_str = git_dates[-1]
+            latest_commit_date_str = latest_commit_date_str.strip('"')
+            wrapper_debug(f"Latest commit date string: {latest_commit_date_str}")
+            latest_commit_date = datetime.datetime.strptime(
+                latest_commit_date_str, "%a %b %d %H:%M:%S %Y %z"
+            )
+            current_date = datetime.datetime.now(datetime.timezone.utc)
+            wrapper_debug(f"Current date: {current_date}")
+            age_in_weeks = (current_date - latest_commit_date).days / 7
+            wrapper_debug(f"Age in weeks: {age_in_weeks}")
+            wrapper_debug(
+                f"Latest commit date: {latest_commit_date_str}, Age in weeks: {age_in_weeks:.2f}"
+            )
+            if age_in_weeks > 2:
+                print(
+                    f"WARNING: The current git branch is {age_in_weeks:.2f} weeks old. "
+                    "Please rebase onto the latest master branch to ensure up-to-date code and fast builds.",
+                )
+                time.sleep(2)
+        except subprocess.CalledProcessError as e:
+            wrapper_debug(f"Failed to get git log: {e}")
+            return

bazel/wrapper_hook/wrapper_hook.py

@@ -23,6 +23,7 @@ def main():
     from bazel.wrapper_hook.autogenerated_targets import autogenerate_targets
     from bazel.wrapper_hook.engflow_check import engflow_auth
     from bazel.wrapper_hook.generate_common_bes_bazelrc import write_workstation_bazelrc
+    from bazel.wrapper_hook.git_age_check import check as git_age_check
     from bazel.wrapper_hook.lint import LinterFail
     from bazel.wrapper_hook.plus_interface import check_bazel_command_type, test_runner_interface
     from bazel.wrapper_hook.set_mongo_variables import write_mongo_variables_bazelrc
@@ -55,6 +56,7 @@ def main():
         engflow_auth(args)
         write_workstation_bazelrc(args)
         write_mongo_variables_bazelrc(args)
+        git_age_check()
 
         try:
             args = test_runner_interface(