[engine] Make ScmProjectTree pickable and fix most GitFSTest tests

Review Request #3770 - Created April 27, 2016 and submitted

Peiyu Wang
3189, 3286
kwlzn, patricklaw, stuhood, wisechengyi

Two things to make ScmProjectTree picklable:

  • _reader, GitRepositoryReader contains a Popen instance. This review marks it @memoized so it is saved by memoized.
  • _scm, Git contains a logger, this review moves the logger to the module.

Also added is to initialize Git FS for test, only two tests fail now, created https://github.com/pantsbuild/pants/issues/3281 to address separately.
(Assertion errors not pickle or exceptions)

https://travis-ci.org/peiyuwang/pants/builds/126266801 passed
https://travis-ci.org/peiyuwang/pants/builds/126289749 passed
https://travis-ci.org/peiyuwang/pants/builds/126550497 passed


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Description From Last Updated
Peiyu Wang
Peiyu Wang
Peiyu Wang
Stu Hood
Peiyu Wang
Peiyu Wang
Review request changed

Status: Closed (submitted)

Change Summary:

Submitted as 265d140e037e533546721e7546ba90a23b4d63d8