Added GitRemoteShowTask and a build target demonstrating its usage

GitRemoteShowTask.php

@@ -0,0 +1,94 @@
+<?php
+
+require_once 'phing/Task.php';
+require_once 'phing/tasks/ext/git/GitBaseTask.php';
+
+/**
+ * Wrapper around git-remote-show
+ *
+ * @see VersionControl_Git
+ */
+class GitRemoteShowTask extends GitBaseTask
+{
+    /**
+     * Remote heads are not queried first with git ls-remote <name>. See -n of git-remote-show
+     * @var boolean
+     */
+    private $noQuery = false;
+
+    /**
+     * <name> argument to git-remote-show
+     * @var string
+     */
+    private $name;
+
+    /**
+     * Property name to set with output value from git-remote-show
+     * @var string
+     */
+    private $outputProperty;
+
+    /**
+     * The main entry point for the task
+     */
+    public function main()
+    {
+        if (null === $this->getRepository()) {
+            throw new BuildException('"repository" is required parameter');
+        }
+
+        if (null === $this->getName()) {
+            throw new BuildException('"name" is required parameter');
+        }
+
+        $client = $this->getGitClient(false, $this->getRepository());
+        $command = $client->getCommand('remote show');
+        $command->setOption('n', $this->isNoQuery());
+        $command->addArgument($this->getName());
+
+        try {
+            $output = $command->execute();
+        } catch (Exception $e) {
+            throw new BuildException('Task execution failed');
+        }
+
+        if (null !== $this->outputProperty) {
+            $this->project->setProperty($this->outputProperty, $output);
+        }
+
+        $this->log(
+            sprintf('git-remote-show: remotes for "%s" repository', $this->getRepository()), 
+            Project::MSG_INFO); 
+        $this->log('git-remote-show output: ' . trim($output), Project::MSG_INFO);
+    }
+
+    public function setNoQuery($flag)
+    {
+        $this->noQuery = (bool)$flag;
+    }
+
+    public function getNoQuery()
+    {
+        return $this->noQuery;
+    }
+
+    public function isNoQuery()
+    {
+        return $this->getNoQuery();
+    }
+
+    public function setName($remote)
+    {
+        $this->name = $remote;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function setOutputProperty($prop)
+    {
+        $this->outputProperty = $prop;
+    }
+}

build.xml

@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project name="phing-ext-gittasks" default="build">
     <!-- add custom tasks from current directory  -->
-    <taskdef name="gitdescribe" classname="GitDescribeTask" />
-    <taskdef name="gitdiff"     classname="GitDiffTask" />
-    <taskdef name="gitlog"      classname="GitLogTask" />
-    <taskdef name="gittag"      classname="GitTagTask" />
+    <taskdef name="gitdescribe"   classname="GitDescribeTask" />
+    <taskdef name="gitdiff"       classname="GitDiffTask" />
+    <taskdef name="gitlog"        classname="GitLogTask" />
+    <taskdef name="gitremoteshow" classname="GitRemoteShowTask" />
+    <taskdef name="gittag"        classname="GitTagTask" />
 
     <!-- assume our current directory IS the git repo to operate on -->
     <property name="repo.dir" value="." />
@@ -62,6 +63,15 @@
         <echo msg="Everything that's happened since HEAD^: ${gitLogOutput}" />
     </target>
 
+    <!-- demonstrate task for git-remote-show command -->
+    <target name="gitremoteshow">
+        <echo msg="Equivalent to `git remote show origin`" />
+        <gitremoteshow repository="${repo.dir.resolved}"
+                       name="origin"
+                       outputProperty="gitRemoteShowOutput" />
+        <echo msg="All the dirt we have on origin: ${gitRemoteShowOutput}" />
+    </target>
+
     <!-- demonstrate task for git-tag command -->
     <target name="gittag">
         <echo msg="Equivalent to `git tag -a -m 'foo bar baz' MyUnsignedTag`" />
@@ -87,5 +97,5 @@
     </target>
 
     <!-- do them all by default -->
-    <target name="build" depends="gitdescribe,gitdiff,gitlog,gittag" />
+    <target name="build" depends="gitdescribe,gitdiff,gitlog,gitremoteshow,gittag" />
 </project>