From 1b886c0191852e0a7b96d3c9aba17df17fbea46f Mon Sep 17 00:00:00 2001
From: Michael Howitz <mh@gocept.com>
Date: Fri, 20 Apr 2018 13:35:15 +0200
Subject: [PATCH] Create coverage only for two sample builds.

`tox.ini` also only runs coverage for one Python version.
---
 .travis.yml | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 6259a4a..424dc05 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,11 +13,14 @@ matrix:
           python: 3.5
         - os: linux
           python: 3.6
-        - os: linux
-          python: 3.7-dev
+          env: WITH_COVERAGE=1
         - os: linux
           python: 3.6
-          env: PURE_PYTHON=1
+          env:
+            - PURE_PYTHON=1
+            - WITH_COVERAGE=1
+        - os: linux
+          python: 3.7-dev
         - os: linux
           python: pypy
         - os: linux
@@ -64,14 +67,14 @@ install:
     # (https://travis-ci.org/zopefoundation/BTrees/jobs/192340692) so
     # we install with pip manually.
     - pip install -U persistent
-    - pip install coveralls coverage
+    - if [[ "$WITH_COVERAGE" == "1" ]]; then pip install coveralls coverage; fi
     - pip install -e .[test,ZODB]
 script:
-    - coverage run -m zope.testrunner --test-path=. --auto-color --auto-progress
+    - if [[ "$WITH_COVERAGE" == "1" ]]; coverage run -m zope.testrunner --test-path=. --auto-color --auto-progress --verbose; else zope-testrunner --test-path=. --auto-color --auto-progress; fi
 notifications:
     email: false
 after_success:
-    - coveralls
+    - if [[ "$WITH_COVERAGE" == "1" ]]; coveralls; fi
     - echo [distutils]                                  > ~/.pypirc
     - echo index-servers = pypi                        >> ~/.pypirc
     - echo [pypi]                                      >> ~/.pypirc