From 24705fd9f5f5cd80cb3c998dd4ee6631ee1b8e0b Mon Sep 17 00:00:00 2001
From: Julian Seidenberg <julian@silverstripe.com>
Date: Thu, 28 Apr 2011 15:47:48 +1200
Subject: [PATCH] ENHANCEMENT: phing checkout task now stashes local content
 before performing checkout and has the option to exclude the base
 (silverstripe-installer) folder

---
 build.xml                      | 27 ++++++++++++++++++++-
 tools/FindRepositoriesTask.php | 23 ++++++++++++++----
 tools/GitStashTask.php         | 43 ++++++++++++++++++++++++++++++++++
 3 files changed, 88 insertions(+), 5 deletions(-)
 create mode 100644 tools/GitStashTask.php

diff --git a/build.xml b/build.xml
index 3575ed5..4f75b6e 100644
--- a/build.xml
+++ b/build.xml
@@ -14,6 +14,7 @@ phing help
 	<taskdef name="findRepos" classname="tools.FindRepositoriesTask" classpath="${project.basedir}" />
 	<taskdef name="ssmodules" classname="tools.LoadModulesTask" classpath="${project.basedir}" />
 	<taskdef name="sschanglog" classname="tools.CreateChangelog" classpath="${project.basedir}" />
+	<taskdef name="gitstash" classname="tools.GitStashTask" classpath="${project.basedir}" />
 
 	<property name="basedir" value="." override="true" />
 	<property name="dependent-modules-file" value="dependent-modules" override="true" />
@@ -21,7 +22,7 @@ phing help
 	<property name="ni_build" value="false" override="true"/>   <!-- Prompt if local changes would be overwritten by update -->
 	<property name="changelogFile" value="changelog.md" override="true"/>
 	<property name="changelogSort" value="type" override="true"/>
-
+	
 	<available file="${dependent-modules-file}" property="dependent-modules-file-exists" />
 	<available file="${changelog-definition-file}" property="changelog-definition-file-exists" />
 
@@ -93,10 +94,16 @@ Options:
 
 	<!-- Checkout the specified tag on all working copies -->
 	<target name="checkoutTask" if="reponame,gitPath1,tagname">
+		<echo msg="checking out ${reponame}"/>
+		<gitstash repository="${reponame}" gitPath="${gitPath1}" />
+
 		<gitcheckout
 			repository="${reponame}"
 			branchname="${tagname}"
 			gitPath="${gitPath1}" />
+
+		<gitstash repository="${reponame}" gitPath="${gitPath1}" pop="true" />
+
 		<echo msg="checked out ${tagname} tag/branch in '${reponame}' git repository" />
 	</target>
 
@@ -196,6 +203,24 @@ Options:
 			</else>
 		</if>
 
+		<if>
+			<isset property="includeBaseDir"/>
+			<then>
+				<echo msg="Including BaseDir in checkout: ${includeBaseDir}"/>
+			</then>
+			<else>
+				<input propertyName="includeBaseDir" validArgs="yes,no" promptChar=":">Include the base dir '${basedir}' in checkout?</input>
+				<echo msg="Including BaseDir in checkout: ${includeBaseDir}"/>
+			</else>
+		</if>
+
+		<if>
+			<isfalse value="${includeBaseDir}"/>
+			<then><!-- get a list of git repos without the base dir -->
+				<findRepos TargetDir="${basedir}" includeTarget="${includeBaseDir}"/>
+			</then>
+		</if>
+
 		<!-- find all git repos and run the checkoutTask on them -->
 		<foreach list="${GitReposList}" param="reponame" target="checkoutTask" />
 	</target>
diff --git a/tools/FindRepositoriesTask.php b/tools/FindRepositoriesTask.php
index 50eaed7..aa4f2fa 100644
--- a/tools/FindRepositoriesTask.php
+++ b/tools/FindRepositoriesTask.php
@@ -6,16 +6,19 @@
  *
  */
 class FindRepositoriesTask extends Task {
-	private $items = null;
+
 	private $targetDir = null;
-	private $copy = false;
-	private $sourceDir = null;
+	private $includeTarget = true;
 
 
 	public function setTargetDir($targetDir) {
 		$this->targetDir = $targetDir;
 	}
 
+	public function setIncludeTarget($includeTarget) {
+		$this->includeTarget = $includeTarget;
+	}
+
 	/**
 	 * Recursively lists a folder and includes only those directories that have the filter parameter as a sub-item
 	 */
@@ -55,7 +58,19 @@ class FindRepositoriesTask extends Task {
 
 		$gitDirs = array();
 		$this->recursiveListDirFilter($this->targetDir, $gitDirs, '.git');
-		$this->project->setProperty('GitReposList',implode(',',$gitDirs));
+
+		$gitDirsOutput = array();
+		if (!$this->includeTarget) { //don't include the target dir
+			foreach($gitDirs as $dir) {
+				if ($dir != $this->targetDir && $dir != realpath($this->targetDir)) {
+					$gitDirsOutput[] = $dir;
+				}
+			}
+		} else {
+			$gitDirsOutput = $gitDirs;
+		}
+
+		$this->project->setProperty('GitReposList',implode(',',$gitDirsOutput));
 	}
 }
 
diff --git a/tools/GitStashTask.php b/tools/GitStashTask.php
new file mode 100644
index 0000000..4af925d
--- /dev/null
+++ b/tools/GitStashTask.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Git stashes a particular folder
+ * @author jseide
+ *
+ */
+class GitStashTask extends SilverStripeBuildTask {
+	private $repository  = null;
+	private $gitPath = null;
+	private $pop = false;
+
+	public function setRepository($repo) {
+		$this->repository = $repo;
+	}
+
+	public function setGitPath($gitPath) {
+		$this->gitPath = $gitPath;
+	}
+
+	public function setPop($pop) {
+		$this->pop = $pop;
+	}
+
+	public function main() {
+		if (!is_dir($this->repository)) {
+			throw new BuildException("Invalid target directory: $this->repository");
+		}
+
+		$cwd = realpath(getcwd());
+
+		chdir($this->repository);
+
+		if ($this->pop == true) $result = parent::exec("$this->gitPath stash pop",true);
+		else $result = parent::exec("$this->gitPath stash",true);
+
+		if ($result) echo $result;
+
+		chdir($cwd);
+	}
+}
+
+?>
\ No newline at end of file