CI: Pull scripts out into files

Still trying to get the github integration working

.travis.yml

@@ -12,21 +12,8 @@ jobs:
       script: ./bin/test.sh
     - stage: build
       script:
-        - npm --force install tiddlywiki
-        - pwd
-        - cd output
-        - git init
-        - git config --global user.email "travis@travis-ci.org"
-        - git config --global user.name "Travis CI"
-        - git remote add upstream "https://$GH_TOKEN@github.com/Jermolene/Testing2019.git"
-        - git fetch upstream
-        - git reset upstream/master
-        - cd ..
+        - ./bin/travis-pre-build.sh
         - export TW5_BUILD_DETAILS="Built from branch '$TRAVIS_BRANCH' at commit $(git rev-parse HEAD) of $(git remote get-url origin)"
         - export TW5_BUILD_TIDDLYWIKI='./node_modules/tiddlywiki/tiddlywiki.js'
         - ./bin/build-site.sh
-        - cd output
-        - git add -A .
-        - git commit --message "Travis build: $TRAVIS_BUILD_NUMBER"
-        - git push -q upstream HEAD:master >/dev/null 2>&1
-        - cd ..
+        - ./bin/travis-push.sh

bin/travis-pre-build.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Pull existing GitHub pages content
+
+npm --force install tiddlywiki || exit 1
+
+mkdir -p output || exit 1
+
+cd output || exit 1
+
+git init || exit 1
+
+git config --global user.email "travis@travis-ci.org" || exit 1
+
+git config --global user.name "Travis CI" || exit 1
+
+git remote add upstream "https://$GH_TOKEN@github.com/Jermolene/Testing2019.git" || exit 1
+
+git fetch upstream || exit 1
+
+git reset upstream/master || exit 1
+
+cd .. || exit 1

bin/travis-push.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Push output back to GitHub
+
+cd output || exit 1
+
+git add -A . || exit 1
+
+git commit --message "Travis build: $TRAVIS_BUILD_NUMBER" || exit 1
+
+git push -q upstream HEAD:master >/dev/null 2>&1 || exit 1
+
+cd .. || exit 1