release:perform issues a git add with more than 27000 bytes.

cmd.exe /X /C "git add - F:\project\pro1\group1\omponent1\pom.xml 
 F:\project\pro1\group1\omponent2\pom.xml 
 .
 .
 . 
 F:\project\pro1\pom.xml

16:50:02 [INFO] ------------------------------------------------------------------------
 16:50:02 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.5.3:prepare (default-cli) on project xentric-aggregators-allmodules: Unable to commit files
 16:50:02 [ERROR] Provider message:
 16:50:02 [ERROR] The git-add command failed.
 16:50:02 [ERROR] Command output:
 16:50:02 [ERROR] The command line is too long.
 16:50:02 [ERROR] -> [Help 1]
 16:50:02 [ERROR] 
 16:50:02 [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
 16:50:02 [ERROR] Re-run Maven using the -X switch to enable full debug logging.
 16:50:02 [ERROR] 
 16:50:02 [ERROR] For more information about the errors and possible solutions, please read the following articles:
 16:50:02 [ERROR] [Help 1] [http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException]
 16:50:02 [ERROR] 
 16:50:02 [ERROR] After correcting the problems, you can resume the build with the command
 16:50:02 [ERROR] mvn <goals> -rf :xentric-aggregators-allmodules