This plugin export a `BUILD_TIMESTAMP` variable.

# Description

From Jenkins 1.597, the plugin adds the Jenkins `BUILD_TIMESTAMP`
variable to the Configure System page of Manage Jenkins.  Note: you must
activate the Global Property!  
You must specify a
[java.text.SimpleDateFormat](http://java.sun.com/javase/6/docs/api/java/text/SimpleDateFormat.html)
pattern such as the value '`yyyyMMddHHmmss`'.

# Features

-   Export a `BUILD_TIMESTAMP` variable to the Jenkins instance (all
    jobs on all slaves will be impacted).
-   Export a `BUILD_TIMESTAMP` variable to the slave (all jobs on this
    slave will be impacted).
-   Export a `BUILD_TIMESTAMP` variable to the job (only the job will be
    impacted)

# Changelog

### Release 4.2 (July 25, 2015)

-   Fix
    [JENKINS-26958](https://issues.jenkins-ci.org/browse/JENKINS-26958) -
    workflow plugin compatibility

### Release 4.1 (May 24, 2015)

-   Commented out logging statement

### Release 4.0 (April 07, 2015)

-   Fix
    [JENKINS-26626](https://issues.jenkins-ci.org/browse/JENKINS-26626) -
    Switch to use BUILD\_TIMESTAMP environment variable and make it
    compatible with Jenkins 1.597+

### Release 3.3 (May 16, 2013)

-   Fix
    [JENKINS-17975](https://issues.jenkins-ci.org/browse/JENKINS-17975) -
    SCM polling stops to work if the previously used build node no
    longer exists

### Release 3.2 (March 10, 2012)

-   Make it compatible to MatrixProject

### Release 3.1 (March 07, 2012)

-   Make it compatible to [envinject jenkins
    plugin](https://wiki.jenkins.io/display/JENKINS/EnvInject+Plugin)
    (Remove `RunListener` and add an `EnvironmentContributor`).
-   Fix
    [JENKINS-12694](https://issues.jenkins-ci.org/browse/JENKINS-12694) -
    Zentimestamp plugin v3.0 no longer compatible with hudson.

### Release 3.0 (December 21, 2011)

-   Add the ability to change the date format at node level

### Release 2.2 (March 1, 2011)

-   Change UI labels from Hudson to Jenkins

### Release 2.1 (February 19, 2011)

-   Updated over new Jenkins 1.397 API and metadata

### Release 2.0.1 (July 02, 2010)

-   Fixed regression for backward compatibility with zentimestamp 1.2

### Release 2.0 (June 20, 2010)

-   The plugin is now a job property that enables users to change the
    `BUILD_ID` variable from Hudson publishers too

### Release 1.2 (February 10, 2009)

-   Upgraded to new Hudson API
-   Added integration tests

### Release 1.1 (June 10, 2009)

-   Fixed Help 404 error with Hudson 1.3xx

### Release 1.0 (August 12, 2008)

-   Initial release