I've added this support in my local Hudson, but only for releaseVersion

Here is diffs

Index:
hudson/plugins/m2release/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java
===================================================================
—
hudson/plugins/m2release/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java
(revision 16501)
+++
hudson/plugins/m2release/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java
(working copy)
@@ -111,10 +111,12 @@
// good old http...
Map<?,?> httpParams = req.getParameterMap();

• Map<String,String> versions = null;
  + Map<String,String> versions = new HashMap<String,String>();
  + String versionKey = "-DreleaseVersion";
  + versions.put(versionKey,
  (String)(((Object[])httpParams.get(versionKey))[0]));
  +
  final boolean appendHudsonBuildNumber =
  httpParams.containsKey("appendHudsonBuildNumber");
  if (httpParams.containsKey("specifyVersions")) {
• versions = new HashMap<String,String>();
  for (Object key : httpParams.keySet()) {
  String keyStr = (String)key;
  if (keyStr.startsWith("-Dproject.")) {

Index:
hudson/plugins/m2release/src/main/resources/org/jvnet/hudson/plugins/m2release/M2ReleaseAction/index.jelly
===================================================================
—
hudson/plugins/m2release/src/main/resources/org/jvnet/hudson/plugins/m2release/M2ReleaseAction/index.jelly
(revision 16501)
+++
hudson/plugins/m2release/src/main/resources/org/jvnet/hudson/plugins/m2release/M2ReleaseAction/index.jelly
(working copy)
@@ -7,8 +7,15 @@
<l:layout>
<l:main-panel>
<f:form method="get" action="submit">

• <f:section title="Perform Maven Release">
• <f:optionalBlock name="specifyVersions" title="Specify release version(s)"
  checked="false">
  + <f:section title="Perform Maven Release">
  + <f:entry title="Release version for the whole project">
  +
  + </f:entry>
  + <f:entry title="Version number">
  + <f:textbox name="-DreleaseVersion"
  value="${it.computeReleaseVersion(it.modules.iterator().next().version)}" />
  + </f:entry>
  +
  + <f:optionalBlock name="specifyVersions" title="Specify release version(s)
  for each module" checked="false">
  <j:forEach var="m" items="${it.modules}">
  <f:section title="${m.moduleName}">
  <f:entry title="Release Version">

Can this be fixed sometime? With a project having 30+ modules setting them one by one is just not feasible. Thanks.

Code changed in hudson
User: : m68k
Path:
trunk/hudson/plugins/m2release/plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseAction.java
trunk/hudson/plugins/m2release/plugin/src/main/java/org/jvnet/hudson/plugins/m2release/M2ReleaseBuildWrapper.java
trunk/hudson/plugins/m2release/plugin/src/main/resources/org/jvnet/hudson/plugins/m2release/M2ReleaseAction/index.jelly
trunk/hudson/plugins/m2release/plugin/src/main/resources/org/jvnet/hudson/plugins/m2release/M2ReleaseBuildWrapper/config.jelly
trunk/hudson/plugins/m2release/plugin/src/main/webapp/help-actionRelease-appendHudsonUsername.html
trunk/hudson/plugins/m2release/plugin/src/main/webapp/help-actionRelease-specifyCustomScmCommentPrefix.html
trunk/hudson/plugins/m2release/plugin/src/main/webapp/help-actionRelease-versioningMode.html
trunk/hudson/plugins/m2release/plugin/src/main/webapp/help-projectConfig-selectAppendHudsonUsername.html
trunk/hudson/plugins/m2release/plugin/src/main/webapp/help-projectConfig-selectCustomScmCommentPrefix.html
trunk/hudson/plugins/m2release/plugin/src/main/webapp/help-projectConfig-versioningMode.html
http://jenkins-ci.org/commit/30891
Log:
fixed JENKINS-4127, JENKINS-3429.
added feature to (optionally) append the Hudson username to the scmCommentPrefix.
added per-project settings which allow preselecting options for the M2ReleaseAction.
added more help entries (renamed existing help-projectConfig.html into help-projectConfig-releaseGoals.html).
minor code code cleanup (added getString() method in M2ReleaseAction).