Would it be correct to not rebuild the engine in C...
# developmenth
happy-kitchen-89482
02/03/2020, 7:58 PMWould it be correct to not rebuild the engine in CI if no rust code has changed?
a
aloof-angle-91616
02/03/2020, 7:58 PMif we change python versions or we change any of the declared externs in
native.py👍 1
h
happy-kitchen-89482
02/03/2020, 7:58 PMOK, we can detect all those things
a
aloof-angle-91616
02/03/2020, 7:58 PMyes
a
average-vr-56795
02/04/2020, 1:42 PMSpecifically this code computes a cache key for the native engine code: https://github.com/pantsbuild/pants/blob/f3304438dbbc32ec41a36bc2c0ad9af95175a7c5/build-support/bin/native/bootstrap_code.sh#L38-L59
average-vr-56795
02/04/2020, 1:43 PMSo a reasonable answer could be to keep exactly the most recent file in ~/.cache/pants/bin/native-engine in the travis cache (which we should reliably hit if nothing changed)?