Extend CVS Task functionality.

This patch adds quiet and noexec attributes (for the -q and -n
switches) and a command attribute that specifies which CVS command to
execute.

The default command is "checkout" to remain compatible to the existing
behaviour.

Submitted by:
	Wolfgang Werner [wwerner@picturesafe.de]
	update by Stefan Bodewig [bodewig@bost.de]


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267680 13f79535-47bb-0310-9956-ffa450edef68

docs/index.html

@@ -726,10 +726,10 @@ does not exist.</p>
 <hr>
 <h2><a name="cvs">Cvs</a></h2>
 <h3>Description</h3>
-<p>Checks out a package/module from a <a href="http://www.cyclic.com/">CVS</a>
-repository.</p>
+<p>Handles packages/modules retrieved from a 
+<a href="http://www.cyclic.com/">CVS</a> repository.</p>
 <p>When doing automated builds, the <a href="#get">get task</a> should be
-preferred, because of speed.</p>
+preferred over the <i>checkout</i> command, because of speed.</p>
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
   <tr>
@@ -737,10 +737,15 @@ preferred, because of speed.</p>
     <td valign="top"><b>Description</b></td>
     <td align="center" valign="top"><b>Required</b></td>
   </tr>
+  <tr>
+    <td valign="top">command</td>
+    <td valign="top">the CVS command to execute.</td>
+    <td align="center" valign="top">No, default &quot;checkout&quot;</td>
+  </tr>
   <tr>
     <td valign="top">cvsRoot</td>
     <td valign="top">the CVSROOT variable.</td>
-    <td align="center" valign="top">Yes</td>
+    <td align="center" valign="top">No</td>
   </tr>
   <tr>
     <td valign="top">dest</td>
@@ -750,13 +755,23 @@ preferred, because of speed.</p>
   <tr>
     <td valign="top">package</td>
     <td valign="top">the package/module to check out.</td>
-    <td align="center" valign="top">Yes</td>
+    <td align="center" valign="top">No</td>
   </tr>
   <tr>
     <td valign="top">tag</td>
     <td valign="top">the tag of the package/module to check out.</td>
     <td align="center" valign="top">No</td>
   </tr>
+  <tr>
+    <td valign="top">quiet</td>
+    <td valign="top">supress informational messages.</td>
+    <td align="center" valign="top">No, default &quot;false&quot;</td>
+  </tr>
+  <tr>
+    <td valign="top">noexec</td>
+    <td valign="top">report only, don't change any files.</td>
+    <td align="center" valign="top">No, default &quot;false&quot;</td>
+  </tr>
 </table>
 <h3>Examples</h3>
 <pre>  &lt;cvs cvsRoot=&quot;:pserver:anoncvs@jakarta.apache.org:/home/cvspublic&quot;
@@ -765,6 +780,9 @@ preferred, because of speed.</p>
   /&gt;</pre>
 <p>checks out the package/module &quot;jakarta-tools&quot; from the CVS
 repository pointed to by the cvsRoot attribute, and stores the files in &quot;${ws.dir}&quot;.</p>
+<pre>  &lt;cvs dest=&quot;${ws.dir}&quot; command=&quot;update&quot; /&gt;</pre>
+<p>updates the package/module that has previously been checked out into
+&quot;${ws.dir}&quot;.</p>
 <hr>
     <td valign="top">comma separated list of filenam<h2><a name="delete">Delete</a></h2>
 <h3>Description</h3>

src/main/org/apache/tools/ant/taskdefs/Cvs.java

@@ -69,6 +69,9 @@ public class Cvs extends Exec {
     private String cvsRoot;
     private String pack;
     private String tag;
+    private String command = "checkout";
+    private boolean quiet = false;
+    private boolean noexec = false;
     
     public void execute() throws BuildException {
 
@@ -76,16 +79,32 @@ public class Cvs extends Exec {
 	// execution so that we don't rely on having native CVS stuff around (SM)
 	
 	StringBuffer sb=new StringBuffer();
-	sb.append(" cvs -d ").append( cvsRoot ).append(" checkout ");
+	sb.append(" cvs ");
+        if (cvsRoot != null) { 
+            sb.append("-d ").append(cvsRoot).append(" ");
+        }
+
+        sb.append(noexec ? "-n " : "")
+            .append(quiet  ? "-q " : "")
+            .append(command).append(" ");
+		
 	if (tag!=null)
             sb.append("-r ").append(tag).append(" ");
 
-	sb.append( pack );
+	if (pack != null) {
+            sb.append(pack);
+	}
 
         run(sb.toString());
     }
 
     public void setCvsRoot(String root) {
+        // Check if not real cvsroot => set it to null 
+        if (root != null) { 
+            if (root.trim().equals("")) 
+                root = null; 
+        } 
+
 	this.cvsRoot = root;
     }
 
@@ -107,6 +126,17 @@ public class Cvs extends Exec {
         this.tag = p; 
     } 
 
+    public void setCommand(String c) {
+	this.command = c;
+    }
+    
+    public void setQuiet(String q) {
+        quiet = Project.toBoolean(q);
+    }
+    
+    public void setNoexec(String ne) {
+        noexec = Project.toBoolean(ne);
+    }
 }