Move Travis config to templates folder for scaffolding

Author: swissspidy

src/ScaffoldPackageCommand.php

@@ -682,7 +682,7 @@ public function package_tests( $args, $assoc_args ) {
 		$travis_tag_appends    = [];
 		$travis_append         = '';
 		if ( 'travis' === $assoc_args['ci'] ) {
-			$copy_source[ $package_root ]['.travis.yml'] = $package_dir;
+			$copy_source[ $package_root ]['templates/.travis.yml'] = $package_dir;
 
 			// Allow a package to overwrite or append to Travis tags.
 			foreach ( $travis_tags as $travis_tag ) {

templates/.travis.yml

@@ -0,0 +1,83 @@
+os: linux
+dist: xenial
+
+language: php
+php: 7.4
+
+services:
+  - mysql
+
+notifications:
+  email:
+    on_success: never
+    on_failure: change
+
+branches:
+  only:
+    - master
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+env:
+  global:
+    - PATH="$TRAVIS_BUILD_DIR/vendor/bin:$PATH"
+    - WP_CLI_BIN_DIR="$TRAVIS_BUILD_DIR/vendor/bin"
+
+before_install:
+  - |
+    # Remove Xdebug for a huge performance increase:
+    if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
+      phpenv config-rm xdebug.ini
+    else
+      echo "xdebug.ini does not exist"
+    fi
+  - |
+    # Raise PHP memory limit to 2048MB
+    echo 'memory_limit = 2048M' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+  - composer validate
+
+install:
+  - composer install
+  - composer prepare-tests
+
+script:
+  - composer phpunit
+  - composer behat || composer behat-rerun
+
+jobs:
+  include:
+    - stage: test
+      php: nightly
+      env: WP_VERSION=trunk
+    - stage: test
+      php: 7.4
+      env: WP_VERSION=latest
+    - stage: test
+      php: 7.3
+      env: WP_VERSION=latest
+    - stage: test
+      php: 7.2
+      env: WP_VERSION=latest
+    - stage: test
+      php: 7.1
+      env: WP_VERSION=latest
+    - stage: test
+      php: 7.0
+      env: WP_VERSION=latest
+    - stage: test
+      php: 5.6
+      env: WP_VERSION=latest
+    - stage: test
+      php: 5.6
+      env: WP_VERSION=3.7.11
+      dist: trusty
+    - stage: test
+      php: 5.6
+      env: WP_VERSION=trunk
+
+  allow_failures:
+    - stage: test
+      php: nightly
+      env: WP_VERSION=trunk