Add support for scripts in the inject builder

Sometimes we want to inject environment variables from
different sources, so it's very useful to be able to use
EnvInject's script parameters. This change adds support.

Change-Id: I5b3054c0fa8c5ba45fb3f73ed50a1da52f60fb8e

jenkins_jobs/modules/builders.py

@@ -383,6 +383,8 @@ def inject(parser, xml_parent, data):
 
     :arg str properties-file: the name of the property file (optional)
     :arg str properties-content: the properties content (optional)
+    :arg str script-file: the name of a script file to run (optional)
+    :arg str script-content: the script content (optional)
 
     Example:
 
@@ -395,6 +397,10 @@ def inject(parser, xml_parent, data):
         info, 'propertiesFilePath', data.get('properties-file'))
     jenkins_jobs.modules.base.add_nonblank_xml_subelement(
         info, 'propertiesContent', data.get('properties-content'))
+    jenkins_jobs.modules.base.add_nonblank_xml_subelement(
+        info, 'scriptFilePath', data.get('script-file'))
+    jenkins_jobs.modules.base.add_nonblank_xml_subelement(
+        info, 'scriptContent', data.get('script-content'))
 
 
 def artifact_resolver(parser, xml_parent, data):

tests/builders/fixtures/inject.xml

@@ -5,6 +5,8 @@
       <info>
         <propertiesFilePath>example.prop</propertiesFilePath>
         <propertiesContent>EXAMPLE=foo-bar</propertiesContent>
+        <scriptFilePath>script.sh</scriptFilePath>
+        <scriptContent>script content</scriptContent>
       </info>
     </EnvInjectBuilder>
   </builders>

tests/builders/fixtures/inject.yaml

@@ -2,3 +2,5 @@ builders:
   - inject:
       properties-file: example.prop
       properties-content: EXAMPLE=foo-bar
+      script-file: script.sh
+      script-content: script content