[PATCH v6 0/6] Add Travis CI support

From: Lars Schneider <redacted>

diff to v5:
* check if PID file still exists on P4D cleanup (thanks Luke)
* fix space/tab formatting error
* add sleep to timeout loops (thanks Luke)
* replace 'date +%s' with platform independent Python function (thanks Eric and Luke)

With the patches of this series the Travis CI test stability increases.
However, as I am "stress testing" the Travis CI infrastructure you can
see that it is not perfect: https://travis-ci.org/larsxschneider/git/builds

Nevertheless, I believe that Travis CI integration has still value as
contributors can test their patches easily on Linux and OS X before
posting them.

@junio / @peff: Do you consider merging this?

Thanks,
Lars

Lars Schneider (6):
  implement test_might_fail using a refactored test_must_fail
  add "ok=sigpipe" to test_must_fail and use it to fix flaky tests
  git-p4: retry kill/cleanup operations in tests with timeout
  git-p4: add p4d timeout in tests
  git-p4: add trap to kill p4d on test exit
  Add Travis CI support

 .travis.yml                     | 131 ++++++++++++++++++++++++++++++++++++++++
 t/lib-git-p4.sh                 |  71 +++++++++++++++++++---
 t/t5504-fetch-receive-strict.sh |   3 +-
 t/t5516-fetch-push.sh           |   6 +-
 t/test-lib-functions.sh         |  39 +++++++-----
 5 files changed, 221 insertions(+), 29 deletions(-)
 create mode 100644 .travis.yml

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2.5.1