Adding support for the Powershell plugin.

See https://wiki.jenkins-ci.org/display/JENKINS/PowerShell+Plugin

Change-Id: I337ea896e358fe456e556a95e22e724fe20cd722

jenkins_jobs/modules/builders.py

@@ -631,6 +631,22 @@ def batch(parser, xml_parent, data):
     XML.SubElement(batch, 'command').text = data
 
 
+def powershell(parser, xml_parent, data):
+    """yaml: powershell
+    Execute a powershell command. Requires the `Powershell Plugin
+    <https://wiki.jenkins-ci.org/display/JENKINS/PowerShell+Plugin>`_.
+
+    :Parameter: the powershell command to execute
+
+    Example:
+
+    .. literalinclude:: ../../tests/builders/fixtures/powershell.yaml
+       :language: yaml
+    """
+    ps = XML.SubElement(xml_parent, 'hudson.plugins.powershell.PowerShell')
+    XML.SubElement(ps, 'command').text = data
+
+
 def msbuild(parser, xml_parent, data):
     """yaml: msbuild
     Build .NET project using msbuild.  Requires the `Jenkins MSBuild Plugin

setup.cfg

@@ -57,6 +57,7 @@ jenkins_jobs.builders =
     maven-target=jenkins_jobs.modules.builders:maven_target
     msbuild=jenkins_jobs.modules.builders:msbuild
     multijob=jenkins_jobs.modules.builders:multijob
+    powershell=jenkins_jobs.modules.builders:powershell
     python=jenkins_jobs.modules.builders:python
     sbt=jenkins_jobs.modules.builders:sbt
     shell=jenkins_jobs.modules.builders:shell

tests/builders/fixtures/powershell.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <builders>
+    <hudson.plugins.powershell.PowerShell>
+      <command>foo/foo.ps1</command>
+    </hudson.plugins.powershell.PowerShell>
+  </builders>
+</project>

tests/builders/fixtures/powershell.yaml

@@ -0,0 +1,2 @@
+builders:
+  - powershell: "foo/foo.ps1"