ci: Use codecov for code coverage

.travis.yml

@@ -7,11 +7,11 @@ notifications:
   email: false
 node_js:
 - 8
-after_success:
-- npm run coverage:upload
-- npm run semantic-release
 services:
 - couchdb
 branches:
   except:
   - /^v\d+\.\d+\.\d+$/
+after_success:
+  - npm run codecov
+  - npm run semantic-release

README.md

@@ -16,7 +16,7 @@
 [![devDependency Status](https://david-dm.org/semantic-release/semantic-release/caribou/dev-status.svg)](https://david-dm.org/semantic-release/semantic-release/caribou#info=devDependencies)
 
 [![Build Status](https://travis-ci.org/semantic-release/semantic-release.svg?branch=caribou)](https://travis-ci.org/semantic-release/semantic-release)
-[![Coverage Status](https://coveralls.io/repos/semantic-release/semantic-release/badge.svg?branch=caribou&service=github)](https://coveralls.io/github/semantic-release/semantic-release?branch=caribou)
+[![Codecov](https://img.shields.io/codecov/c/github/semantic-release/semantic-release/caribou.svg)](https://codecov.io/gh/semantic-release/semantic-release)
 
 Out of the box this is just about _commit-messages_, but you can do so much more.
 

package.json

@@ -36,8 +36,8 @@
     "semver": "^5.4.1"
   },
   "devDependencies": {
-    "coveralls": "^3.0.0",
     "ava": "^0.22.0",
+    "codecov": "^2.3.0",
     "commitizen": "^2.9.6",
     "cz-conventional-changelog": "^2.0.0",
     "eslint": "^4.7.0",
@@ -120,10 +120,9 @@
     "url": "git+https://github.com/semantic-release/semantic-release.git"
   },
   "scripts": {
-    "coverage": "nyc report",
-    "coverage:upload": "npm run coverage -s -- --reporter=text-lcov | coveralls",
     "clean": "rimraf coverage && rimraf .nyc_output",
     "cm": "git-cz",
+    "codecov": "codecov -f coverage/coverage-final.json",
     "lint": "eslint .",
     "pretest": "npm run clean && npm run lint",
     "semantic-release": "./bin/semantic-release.js pre && npm publish && ./bin/semantic-release.js post",