[#1246] Adapt website deploy to move to Gerrit

- Configure build in Jenkinsfile
- Configure Javascript runtime in Gemfile

Signed-off-by: Karsten Thoms <karsten.thoms@itemis.de>

Jenkinsfile

@@ -0,0 +1,79 @@
+pipeline {
+  agent any
+
+  triggers {
+    pollSCM '*/2 * * * *'
+  }
+
+  stages {
+    stage ('Checkout') {
+      steps {
+        checkout scm
+        dir ('deploy-xtext-git-repo') {
+          git credentialsId: '29d79994-c415-4a38-9ab4-7463971ba682', url: 'ssh://genie.xtext@git.eclipse.org:29418/www.eclipse.org/Xtext', branch: 'master', poll: false
+        }
+        dir ('deploy-xtend-git-repo') {
+          git credentialsId: '29d79994-c415-4a38-9ab4-7463971ba682', url: 'ssh://genie.xtext@git.eclipse.org:29418/www.eclipse.org/xtend', branch: 'master', poll: false
+        }
+      }
+    }
+    stage('Generate site') {
+      steps {
+        echo 'Building..'
+        dir ('git-repo/xtext-website') {
+          sh '''
+            # generate things in _site
+            ~/.rvm/gems/ruby-2.2.0/wrappers/jekyll build
+          '''
+        }
+        dir ('git-repo/xtend-website') {
+          sh '''
+            # generate things in _site
+            ~/.rvm/gems/ruby-2.2.0/wrappers/jekyll build
+          '''
+        }
+      }
+    }
+    stage('Commit changes') {
+      steps {
+        dir ('deploy-xtext-git-repo') {
+          sh '''
+            cp -r $WORKSPACE/git-repo/xtext-website/_site/* .
+            git diff
+            git add --all :/ && git commit -m "Generated from commit: https://github.com/eclipse/xtext/commit/$GIT_COMMIT"
+            git status
+          '''
+        }
+        dir ('deploy-xtend-git-repo') {
+          sh '''
+            cp -r $WORKSPACE/git-repo/xtext-website/_site/* .
+            git diff
+            git add --all :/ && git commit -m "Generated from commit: https://github.com/eclipse/xtext/commit/$GIT_COMMIT"
+            git status
+          '''
+        }
+      }
+    }
+    stage('Deploy') {
+      steps {
+        echo 'Deploying....'
+        dir ('deploy-xtext-git-repo') {
+          sshagent(['29d79994-c415-4a38-9ab4-7463971ba682']) { // 
+            sh '''
+              git push origin master
+            '''
+          }
+          deleteDir()
+        }
+        dir ('deploy-xtend-git-repo') {
+          sshagent(['29d79994-c415-4a38-9ab4-7463971ba682']) { // 
+            sh '''
+              git push origin master
+            '''
+          }
+          deleteDir()
+        }
+      }
+    }
+  }
+}

xtend-website/Gemfile

@@ -1,5 +1,8 @@
 source 'https://rubygems.org'
 
+gem 'therubyracer'
+gem 'execjs'
+
 group :jekyll_plugins do
   gem 'jekyll-markdown-block'
 	gem 'wdm', '>= 0.1.0' if Gem.win_platform?

xtext-website/Gemfile

@@ -1,6 +1,9 @@
 source 'https://rubygems.org'
 
+gem 'therubyracer'
+gem 'execjs'
+
 group :jekyll_plugins do
   gem 'jekyll-markdown-block'
-	gem 'wdm', '>= 0.1.0' if Gem.win_platform?
+  gem 'wdm', '>= 0.1.0' if Gem.win_platform?
 end