travis: switch to codecov

.travis.yml

@@ -22,7 +22,7 @@ install:
   - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then export PATH=$HOME/Library/Python/2.7/bin:$PATH; fi
   - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then wget https://bootstrap.pypa.io/get-pip.py && sudo python ./get-pip.py; fi
   - pip list
-  - pip install --user coveralls tox
+  - pip install --user codecov tox
   - echo $PATH; which python; which pip; which tox
   - python misc/build_helpers/show-tool-versions.py
 script:
@@ -30,7 +30,7 @@ script:
   - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then tox; else tox -e coverage; fi
   - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then tox -e integration; fi
 after_success:
-  coveralls
+  - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then codecov; fi
 notifications:
   email: false
   irc:

README.rst

@@ -10,7 +10,7 @@ function correctly, preserving your privacy and security.
 For full documentation, please see
 http://tahoe-lafs.readthedocs.io/en/latest/ .
 
-|readthedocs|  |travis|  |coveralls|
+|readthedocs|  |travis|  |codecov|
 
 INSTALLING
 ==========
@@ -83,6 +83,6 @@ slides.
     :alt: build status
     :target: https://travis-ci.org/tahoe-lafs/tahoe-lafs
 
-.. |coveralls| image:: https://coveralls.io/repos/tahoe-lafs/tahoe-lafs/badge.png?branch=master
+.. |codecov| image:: https://codecov.io/github/tahoe-lafs/tahoe-lafs/coverage.svg?branch=master
     :alt: test coverage percentage
-    :target: https://coveralls.io/r/tahoe-lafs/tahoe-lafs?branch=master
+    :target: https://codecov.io/github/tahoe-lafs/tahoe-lafs?branch=master