only generate the necessary branch in CI environments

scripts/ci.sh

@@ -43,7 +43,7 @@ fi
 
 if [[ "$NODE_INTEGRATION" != "0" ]]; then
   group "generating tests"
-    call node scripts/generate --no-api
+    call node scripts/generate --no-api --branch $TESTING_BRANCH
 
   group "running integration tests"
     if [[ -n "$JENKINS" ]]; then

scripts/generate/index.js

@@ -19,6 +19,10 @@ var argv = require('optimist')
     update: {
       default: true,
       boolean: true
+    },
+    branch: {
+      default: null,
+      string: true
     }
   });
 
@@ -29,12 +33,6 @@ var utils = require(fromRoot('grunt/utils'));
 var esUrl = 'https://github.com/elasticsearch/elasticsearch.git';
 var branches;
 
-if (process.env.ES_GIT_BRANCH) {
-  branches = [process.env.ES_GIT_BRANCH.split('/').slice(1).join('/')];
-} else {
-  branches = utils.branches;
-}
-
 if (process.env.npm_config_argv) {
   // when called by NPM
   argv = argv.parse(JSON.parse(process.env.npm_config_argv).original);
@@ -43,6 +41,13 @@ if (process.env.npm_config_argv) {
   argv = argv.argv;
 }
 
+if (argv.branch) {
+  branches = [argv.branch];
+} else {
+  branches = utils.branches;
+}
+
+
 function isDirectory(dir) {
   var stat;
   try { stat = fs.statSync(dir); } catch (e) {}

scripts/jenkins.sh

@@ -17,11 +17,11 @@ re_10='^1\.0\..*$';
 if [[ "$ES_V" =~ $re_nightly ]]; then
   export ES_BRANCH=${BASH_REMATCH[1]}
 elif [[ "$ES_V" =~ $re_090 ]]; then
-  ES_BRANCH='0.90'
-  ES_RELEASE=$ES_V
+  export ES_BRANCH='0.90'
+  export ES_RELEASE=$ES_V
 elif [[ "$ES_V" =~ $re_10 ]]; then
-  ES_BRANCH='1.0'
-  ES_RELEASE=$ES_V
+  export ES_BRANCH='1.0'
+  export ES_RELEASE=$ES_V
 else
   echo "unable to parse ES_V $ES_V"
   exit 1