tree 202b15a6990356ea4baaebe5f21fc760498573e3
parent 735e5f6675f1a2b32cb909298e1d5b2f7fb33017
author Wyatt Hepler <hepler@google.com> 1615960317 -0700
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1615996634 +0000

pw_build: Don't touch files unnecessarily

generate_python_package.py was touching __init__.py and py.typed files
to ensure they exist. This causes Ninja to unnecessarily re-run some
Python steps, which are quite slow. With this change, the files are only
touched if they do not exist.

Change-Id: Ide630e5e3714746b7fd2e8dcb44ba47db204f967
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/38160
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Keir Mierle <keir@google.com>