Make Thunderbird build reproducible

Cherry picked from OpenSuse
https://build.opensuse.org/request/show/732106

Gbp-Pq: Topic debian-hacks
Gbp-Pq: Name Make-Thunderbird-build-reproducible.patch

diff --git a/python/mozbuild/mozbuild/action/langpack_manifest.py b/python/mozbuild/mozbuild/action/langpack_manifest.py
index 4395235913ac37e9898b46bb08f5103965bdad9a..1455b90957363071d3157bf1d32af77dcb755109 100644 (file)
--- a/python/mozbuild/mozbuild/action/langpack_manifest.py
+++ b/python/mozbuild/mozbuild/action/langpack_manifest.py
@@ -16,6 +16,7 @@ import os
 import json
 import io
 import datetime
+import time
 import requests
 import mozversioncontrol
 import mozpack.path as mozpath
@@ -99,7 +100,7 @@ def get_timestamp_for_locale(path):
         dt = get_dt_from_hg(path)
 
     if dt is None:
-        dt = datetime.datetime.utcnow()
+        dt = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
 
     dt = dt.replace(microsecond=0)
     return dt.strftime("%Y%m%d%H%M%S")