Move commands into CI folder

Author: wdv4758h

.travis.yml

@@ -17,19 +17,13 @@ matrix:
         - python: pypy3
 
 install:
-    - "pip install -U -r requirements.txt"
-    - "pip install ."
-    - "pip freeze"
+    - sh ci/install.sh
 
 script:
-    - python setup.py test
-    - pydocstyle everywhere
-    - mypy everywhere
+    - sh ci/script.sh
 
 after_success:
-    - coveralls
-    - pip install -U -r requirements-docs.txt
-    - ./build_doc.py
+    - sh ci/after_success.sh
 
 deploy:
     - provider: releases

ci/after_success.sh

@@ -0,0 +1,8 @@
+coveralls
+
+if ([ "$TRAVIS_BRANCH" == "master" ] || [ ! -z "$TRAVIS_TAG" ]) &&
+    [ "$TRAVIS_PULL_REQUEST" == "false" ] &&
+    [ "$TRAVIS_PYTHON_VERSION" == "3.5" ]; then
+    pip install -U -r requirements-docs.txt
+    ./build_doc.py
+fi

ci/install.sh

@@ -0,0 +1,3 @@
+pip install -U -r requirements.txt
+pip install .
+pip freeze

ci/script.sh

@@ -0,0 +1,3 @@
+python setup.py test
+pydocstyle everywhere
+mypy everywhere