log git commit date (#31490)

* log git commit date

* unix ts

* fix

* bump cereal

* cleanup

system/loggerd/logger.cc

@@ -44,6 +44,7 @@ kj::Array<capnp::word> logger_build_init_data() {
   std::map<std::string, std::string> params_map = params.readAll();
 
   init.setGitCommit(params_map["GitCommit"]);
+  init.setGitCommitDate(params_map["GitCommitDate"]);
   init.setGitBranch(params_map["GitBranch"]);
   init.setGitRemote(params_map["GitRemote"]);
   init.setPassive(false);

system/loggerd/tests/test_loggerd.py

@@ -107,6 +107,7 @@ class TestLoggerd:
       # param, initData field, value
       ("DongleId", "dongleId", dongle),
       ("GitCommit", "gitCommit", "commit"),
+      ("GitCommitDate", "gitCommitDate", "date"),
       ("GitBranch", "gitBranch", "branch"),
       ("GitRemote", "gitRemote", "remote"),
     ]

system/version.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 import os
 import subprocess
-from typing import List, Optional, Callable, TypeVar
+from typing import List, Callable, TypeVar
 from functools import lru_cache
 
 from openpilot.common.basedir import BASEDIR
@@ -22,7 +22,7 @@ def run_cmd(cmd: List[str]) -> str:
   return subprocess.check_output(cmd, encoding='utf8').strip()
 
 
-def run_cmd_default(cmd: List[str], default: Optional[str] = None) -> Optional[str]:
+def run_cmd_default(cmd: List[str], default: str = "") -> str:
   try:
     return run_cmd(cmd)
   except subprocess.CalledProcessError:
@@ -31,17 +31,22 @@ def run_cmd_default(cmd: List[str], default: Optional[str] = None) -> Optional[s
 
 @cache
 def get_commit(branch: str = "HEAD") -> str:
-  return run_cmd_default(["git", "rev-parse", branch]) or ""
+  return run_cmd_default(["git", "rev-parse", branch])
+
+
+@cache
+def get_commit_date(commit: str = "HEAD") -> str:
+  return run_cmd_default(["git", "show", "--no-patch", "--format='%ct %ci'", commit])
 
 
 @cache
 def get_short_branch() -> str:
-  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "HEAD"]) or ""
+  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "HEAD"])
 
 
 @cache
 def get_branch() -> str:
-  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{u}"]) or ""
+  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{u}"])
 
 
 @cache
@@ -51,7 +56,7 @@ def get_origin() -> str:
     tracking_remote = run_cmd(["git", "config", "branch." + local_branch + ".remote"])
     return run_cmd(["git", "config", "remote." + tracking_remote + ".url"])
   except subprocess.CalledProcessError:  # Not on a branch, fallback
-    return run_cmd_default(["git", "config", "--get", "remote.origin.url"]) or ""
+    return run_cmd_default(["git", "config", "--get", "remote.origin.url"])
 
 
 @cache
@@ -132,3 +137,4 @@ if __name__ == "__main__":
   print(f"Branch: {get_branch()}")
   print(f"Short branch: {get_short_branch()}")
   print(f"Prebuilt: {is_prebuilt()}")
+  print(f"Commit date: {get_commit_date()}")