releasetools: Don't write outputs if not in verbose mode.

The change in [1] allows brillo_update_payload to write to stdout/stderr
directly without buffering, to ensure dumping progress to screen
continously. However, it now unconditionally writes to stdout/stderr
even if caller doesn't specify `-v`. The behavior upsets
PythonUnitTestResultParser in [2], which doesn't want any unexpected
output from stderr for result parsing.

This CL updates the logic to only give continous outputs in verbose
mode.

[1] commit 2f7e11ef27bc00108088eb2b0f5a5d9cc605afdd
[2] https://android.googlesource.com/platform/tools/tradefederation/+/refs/heads/master/test_framework/com/android/tradefed/testtype/PythonUnitTestResultParser.java

Test: Run ota_from_target_files.py with `-v`. Check there's continous
      output from brillo_update_payload.
Test: `python -m unittest -v test_ota_from_target_files > /dev/null`
      doesn't show outputs from brillo_update_payload.
Change-Id: I3b851203ef011a5b4d982948cf52793f6fb6ad2d
1 file changed
tree: e5310cf112095a8aa8c735e1783cb774bddef2bf
  1. common/
  2. core/
  3. packaging/
  4. target/
  5. tests/
  6. tools/
  7. .gitignore
  8. buildspec.mk.default
  9. Changes.md
  10. CleanSpec.mk
  11. Deprecation.md
  12. envsetup.sh
  13. help.sh
  14. navbar.md
  15. OWNERS
  16. README.md
  17. tapasHelp.sh
  18. Usage.txt
README.md

Android Make Build System

This is the Makefile-based portion of the Android Build System.

For documentation on how to run a build, see Usage.txt

For a list of behavioral changes useful for Android.mk writers see Changes.md

For an outdated reference on Android.mk files, see build-system.html. Our Android.mk files look similar, but are entirely different from the Android.mk files used by the NDK build system. When searching for documentation elsewhere, ensure that it is for the platform build system -- most are not.

This Makefile-based system is in the process of being replaced with Soong, a new build system written in Go. During the transition, all of these makefiles are read by Kati, and generate a ninja file instead of being executed directly. That's combined with a ninja file read by Soong so that the build graph of the two systems can be combined and run as one.