1 files changed, 80 insertions, 0 deletions
diff --git a/toolkit/mozapps/installer/l10n-repack.py b/toolkit/mozapps/installer/l10n-repack.py
new file mode 100644
index 0000000000..a6f7ebb4dd
--- /dev/null
+++ b/toolkit/mozapps/installer/l10n-repack.py
@@ -0,0 +1,80 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+Replace localized parts of a packaged directory with data from a langpack
+directory.
+"""
+
+from mozpack.packager import l10n
+from argparse import ArgumentParser
+import buildconfig
+
+# Set of files or directories not listed in a chrome.manifest but that are
+# localized.
+NON_CHROME = set(
+    [
+        "**/crashreporter*.ini",
+        "dictionaries",
+        "defaultagent_localized.ini",
+        "defaults/profile",
+        "defaults/pref*/*-l10n.js",
+        "locale.ini",
+        "update.locale",
+        "updater.ini",
+        "extensions/langpack-*@*",
+        "distribution/extensions/langpack-*@*",
+        "**/multilocale.txt",
+    ]
+)
+
+
+def valid_extra_l10n(arg):
+    if "=" not in arg:
+        raise ValueError("Invalid value")
+    return tuple(arg.split("=", 1))
+
+
+def main():
+    parser = ArgumentParser()
+    parser.add_argument("build", help="Directory containing the build to repack")
+    parser.add_argument("l10n", help="Directory containing the staged langpack")
+    parser.add_argument(
+        "extra_l10n",
+        nargs="*",
+        metavar="BASE=PATH",
+        type=valid_extra_l10n,
+        help="Extra directories with staged localized files "
+        "to be considered under the given base in the "
+        "repacked build",
+    )
+    parser.add_argument(
+        "--non-resource",
+        nargs="+",
+        metavar="PATTERN",
+        default=[],
+        help="Extra files not to be considered as resources",
+    )
+    parser.add_argument(
+        "--minify",
+        action="store_true",
+        default=False,
+        help="Make some files more compact while packaging",
+    )
+    args = parser.parse_args()
+
+    buildconfig.substs["USE_ELF_HACK"] = False
+    buildconfig.substs["PKG_STRIP"] = False
+    l10n.repack(
+        args.build,
+        args.l10n,
+        extra_l10n=dict(args.extra_l10n),
+        non_resources=args.non_resource,
+        non_chrome=NON_CHROME,
+        minify=args.minify,
+    )
+
+
+if __name__ == "__main__":
+    main()