Setup travis-ci for phar building

.travis.yml

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+sudo: false
+
+language: php
+php: 7.1
+
+env:
+  global:
+    - PATH="$TRAVIS_BUILD_DIR/vendor/bin:$PATH"
+
+before_install:
+  - |
+    # Remove Xdebug for a huge performance increase:
+    if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
+      phpenv config-rm xdebug.ini
+    else
+      echo "xdebug.ini does not exist"
+    fi
+
+install:
+  - composer install --no-interaction
+
+before_script:
+  - composer validate
+  - ./ci/prepare.sh
+
+jobs:
+  include:
+    - stage: deploy
+      env: DEPLOY_BRANCH=release/v4
+      script: ./ci/deploy.sh
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+branches:
+  only:
+    - develop-v4
+    - release/v4
+
+notifications:
+  email:
+    on_success: never
+    on_failure: change

ci/deploy.sh

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+#!/bin/bash
+
+# called by Travis CI
+
+if [[ "false" != "$TRAVIS_PULL_REQUEST" ]]; then
+	echo "Not deploying pull requests."
+	exit
+fi
+
+if [ -z $DEPLOY_BRANCH ]; then
+	echo "Skipping deployment as DEPLOY_BRANCH is not set"
+	exit
+fi
+
+if [[ "$TRAVIS_BRANCH" != "$DEPLOY_BRANCH" ]] && [[ ! "$TRAVIS_BRANCH" == "develop-v4" ]]; then
+	echo "Skipping deployment as '$TRAVIS_BRANCH' is not a deploy branch."
+	exit
+fi
+
+# Turn off command traces while dealing with the private key
+set +x
+
+# Get the encrypted private key from the repo settings
+echo $EE_REPO_DEPLOY_KEY | base64 --decode > ~/.ssh/id_rsa
+chmod 600 ~/.ssh/id_rsa
+
+# anyone can read the build log, so it MUST NOT contain any sensitive data
+set -x
+
+# add github's public key
+echo "|1|qPmmP7LVZ7Qbpk7AylmkfR0FApQ=|WUy1WS3F4qcr3R5Sc728778goPw= ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==" >> ~/.ssh/known_hosts
+
+git clone git@github.com:easyengine/easyengine-builds.git
+
+git config user.name "Travis CI"
+git config user.email "travis@travis-ci.org"
+git config push.default "current"
+
+if [[ "$TRAVIS_BRANCH" == "develop-v4" ]]; then
+	fname="phar/easyengine-nightly.phar"
+else
+	fname="phar/easyengine.phar"
+fi
+
+mv $fname easyengine-builds/$fname
+cd easyengine-builds
+chmod -x $fname
+
+md5sum $fname | cut -d ' ' -f 1 > $fname.md5
+sha512sum $fname | cut -d ' ' -f 1 > $fname.sha512
+
+git add .
+git commit -m "phar build: $TRAVIS_REPO_SLUG@$TRAVIS_COMMIT"
+
+git push

ci/prepare.sh

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+#!/bin/bash
+
+# called by Travis CI
+
+php -dphar.readonly=0 ./utils/make-phar.php easyengine.phar --quite  > /dev/null
+php easyengine.phar cli version