From 08ed6c99c7d762b32243bf3121f08b4229e98c8b Mon Sep 17 00:00:00 2001
From: Daniel Beck <daniel-beck@github.com>
Date: Fri, 23 May 2014 01:44:41 +0200
Subject: [PATCH] [JENKINS-18574] Fixes for multiple locations in same repo

---
 .../hudson/scm/DirAwareSVNXMLLogHandler.java  | 18 +++++++++--
 .../hudson/scm/SubversionChangeLogSet.java    | 31 ++++++++++++++++++-
 .../scm/SubversionChangeLogSet/index.jelly    | 18 ++++++++++-
 3 files changed, 63 insertions(+), 4 deletions(-)

diff --git a/src/main/java/hudson/scm/DirAwareSVNXMLLogHandler.java b/src/main/java/hudson/scm/DirAwareSVNXMLLogHandler.java
index ab1c06bf9..d38ff300d 100644
--- a/src/main/java/hudson/scm/DirAwareSVNXMLLogHandler.java
+++ b/src/main/java/hudson/scm/DirAwareSVNXMLLogHandler.java
@@ -11,6 +11,7 @@
  */
 package hudson.scm;
 
+import java.io.File;
 import java.util.Iterator;
 import java.util.LinkedList;
 
@@ -108,8 +109,21 @@ protected void sendToHandler(SVNLogEntry logEntry) throws SAXException {
             String key = paths.next();
             SVNLogEntryPath path = (SVNLogEntryPath) logEntry.getChangedPaths().get(key);
             addAttribute(ACTION_ATTR, path.getType() + "");
-            String relativeWorkspacePath = context.moduleWorkspacePath + path.getPath().substring(context.url.length() - context.repoUrl.length());
-            addAttribute(REL_PATH_ATTR, relativeWorkspacePath);
+
+            // the path within the repo to the location checked out
+            String modulePath = context.url.substring(context.repoUrl.length());
+
+            if (path.getPath().startsWith(modulePath)) {
+                // this path is inside the locally checked out module location, so set relativePath attribute
+                String relativeWorkspacePath = context.moduleWorkspacePath + path.getPath().substring(context.url.length() - context.repoUrl.length());
+                if (".".equals(context.moduleWorkspacePath)) {
+                    // use 'foo', not './foo'
+                    relativeWorkspacePath = relativeWorkspacePath.substring(2); // "./".length()
+                }
+                // use File/toString to get rid of duplicate separators
+                addAttribute(REL_PATH_ATTR, new File(relativeWorkspacePath).toString());
+            }
+
             if (path.getCopyPath() != null) {
                 addAttribute(COPYFROM_PATH_ATTR, path.getCopyPath());
                 addAttribute(COPYFROM_REV_ATTR, path.getCopyRevision() + "");
diff --git a/src/main/java/hudson/scm/SubversionChangeLogSet.java b/src/main/java/hudson/scm/SubversionChangeLogSet.java
index 65a8971e2..8f8b8af59 100644
--- a/src/main/java/hudson/scm/SubversionChangeLogSet.java
+++ b/src/main/java/hudson/scm/SubversionChangeLogSet.java
@@ -128,6 +128,24 @@ static List<LogEntry> removePropertyOnlyChanges(List<LogEntry> items) {
      */
     static List<LogEntry> removeDuplicatedEntries(List<LogEntry> items) {
         Set<LogEntry> entries = new HashSet<LogEntry>(items);
+        for (LogEntry sourceEntry : items) {
+            // LogEntry equality does not consider paths, but some might have localPath attributes
+            // that would get lost by HashSet duplicate removal
+            for (LogEntry destinationEntry  : entries) {
+                if (sourceEntry.equals(destinationEntry)) {
+                    // get all local paths and set in destination
+                    for (Path sourcePath : sourceEntry.getPaths()) {
+                        if (sourcePath.localPath != null) {
+                            for (Path destinationPath : destinationEntry.getPaths()) {
+                                if (sourcePath.value.equals(destinationPath.value)) {
+                                    destinationPath.localPath = sourcePath.localPath;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
         return new ArrayList<LogEntry>(entries);
     }
 
@@ -309,7 +327,14 @@ public List<Path> getPaths() {
         
         @Override
         public Collection<Path> getAffectedFiles() {
-	        return paths;
+            Collection<Path> affectedFiles = new ArrayList<Path>();
+            for (Path p : paths) {
+                if (p.hasLocalPath()) {
+                    affectedFiles.add(p);
+                }
+            }
+            // FIXME backwards compatibility?
+            return affectedFiles;
         }
         
         void finish() {
@@ -426,6 +451,10 @@ public String getPath() {
         public void setLocalPath(String path) {
             this.localPath = path;
         }
+
+        public boolean hasLocalPath() {
+            return localPath != null;
+        }
         
         public void setValue(String value) {
             this.value = value;
diff --git a/src/main/resources/hudson/scm/SubversionChangeLogSet/index.jelly b/src/main/resources/hudson/scm/SubversionChangeLogSet/index.jelly
index b20a7aa32..4fcc2bc6e 100644
--- a/src/main/resources/hudson/scm/SubversionChangeLogSet/index.jelly
+++ b/src/main/resources/hudson/scm/SubversionChangeLogSet/index.jelly
@@ -37,7 +37,7 @@ THE SOFTWARE.
   <table class="pane" style="border:none">
     <j:forEach var="cs" items="${it.logs}" varStatus="loop">
       <tr class="pane">
-        <td colspan="2" class="changeset">
+        <td colspan="3" class="changeset">
           <a name="detail${loop.index}"></a>
           <div class="changeset-message">
             <b>
@@ -50,6 +50,12 @@ THE SOFTWARE.
         </td>
       </tr>
 
+      <tr>
+        <th style="text-align: left;">${%Change Type}</th>
+        <th style="text-align: left;">${%Path in Repository}</th>
+        <th style="text-align: left;">${%Path in Workspace}</th>
+      </tr>
+
       <j:forEach var="p" items="${cs.paths}">
         <tr>
           <td><t:editTypeIcon type="${p.editType}" /></td>
@@ -61,6 +67,16 @@ THE SOFTWARE.
               <a href="${diff}">(diff)</a>
             </j:if>
           </td>
+          <td>
+            <j:choose>
+              <j:when test="${p.hasLocalPath()}">
+                ${p.path}
+              </j:when>
+              <j:otherwise>
+                <span style="color:grey;">${%N/A}</span>
+              </j:otherwise>
+            </j:choose>
+          </td>
         </tr>
       </j:forEach>
     </j:forEach>