build: support Gradle configuration cache #2201
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Directly using Runtime.exec breaks Gradle configuration caching. This change is to use `providers.exec` which supports configuration caching. This is a minimal fix; it's likely possible that more invasive changes could be useful to avoid having to exec these processes at all until their values are needed, but I have not looked into larger structural changes.
cortinico
approved these changes
Dec 12, 2023
Co-authored-by: Nicola Corti <corti.nico@gmail.com>
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Hey @ahruss, mind looking why e2e tests are failing? |
thymikee
reviewed
Dec 12, 2023
| def readBuffer = new StringBuffer() | ||
| while ((buff = bufferedReader.readLine()) != null) { | ||
| readBuffer.append(buff) | ||
| def execOutput = providers.exec { |
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ah - created the PR from the wrong branch, should be fixed with 33fa4a1
lukmccall
added a commit
to expo/expo
that referenced
this pull request
Feb 8, 2024
# Why Uses a cache-friendly method of executing external processes. The Gradle now has a new cache configuration setting which allows skipping the configuration step. However, the old `exec` API doesn't support running during the cacheable configuration phase. To fix this, new functions can be used. You can find more information on this topic here: https://docs.gradle.org/current/userguide/configuration_cache.html#config_cache:requirements:external_processes Just to let you know, this pull request is quite similar to the one that was submitted by the community CLI. You can find the link for it here: react-native-community/cli#2201 PR only affects `bare-expo` projects; I didn't modify our template or Expo Go since I'm still testing different approaches. >⚠️ At the moment, this PR doesn't support enabling the cache configuration. We still have a lot of work to do before we can achieve that goal. However, I was able to turn on the configuration cache by making a few changes and using some hacks. This resulted in a significant improvement in build time, reducing it by around 40%. # How Used new cache-friendly API to run external processes. # Test Plan - bare-expo ✅
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Summary:
Directly calling Runtime.exec breaks Gradle configuration caching. An easy workaround is to use
providers.execinstead, which supports configuration caching.Test Plan:
This change should be functionally equivalent to existing behavior. I've tested locally that my project's gradle build still works with this change, both with and without the --configuration-cache argument
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