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POassign output of exec-maven-plugin to variable
 

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  1. POassign output of exec-maven-plugin to variable
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    <p>I want to use exec-maven-plugin to get git 'revision', so I'm using following configuration:</p> <pre><code>&lt;plugin&gt; &lt;groupId&gt;org.codehaus.mojo&lt;/groupId&gt; &lt;artifactId&gt;exec-maven-plugin&lt;/artifactId&gt; &lt;version&gt;1.2.1&lt;/version&gt; &lt;executions&gt; &lt;execution&gt; &lt;id&gt;gitVersion&lt;/id&gt; &lt;phase&gt;validate&lt;/phase&gt; &lt;goals&gt; &lt;goal&gt;exec&lt;/goal&gt; &lt;/goals&gt; &lt;/execution&gt; &lt;/executions&gt; &lt;configuration&gt; &lt;executable&gt;git&lt;/executable&gt; &lt;workingDirectory&gt;./&lt;/workingDirectory&gt; &lt;arguments&gt; &lt;argument&gt;rev-list&lt;/argument&gt; &lt;argument&gt;master&lt;/argument&gt; &lt;argument&gt;--count&lt;/argument&gt; &lt;/arguments&gt; &lt;/configuration&gt; &lt;/plugin&gt; </code></pre> <p>but I hit a problem - how do I assign output to any variable available in other plugins/livecycles?</p> <p>(I was able to get it done using gmaven-plugin and executing groovy script, but I find it a bit of overkill/less elegant)</p> <p>EDIT: for reference, working solution in groovy:</p> <pre><code>&lt;plugin&gt; &lt;groupId&gt;org.codehaus.gmaven&lt;/groupId&gt; &lt;artifactId&gt;gmaven-plugin&lt;/artifactId&gt; &lt;version&gt;1.5&lt;/version&gt; &lt;executions&gt; &lt;execution&gt; &lt;phase&gt;validate&lt;/phase&gt; &lt;goals&gt; &lt;goal&gt;execute&lt;/goal&gt; &lt;/goals&gt; &lt;configuration&gt; &lt;providerSelection&gt;2.0&lt;/providerSelection&gt; &lt;properties&gt; &lt;script&gt;git rev-list master --count&lt;/script&gt; &lt;/properties&gt; &lt;source&gt; def command = project.properties.script def process = command.execute() process.waitFor() def describe = process.in.text.trim() println "setting revision to: " + describe project.properties.setProperty('gitVersion',describe) &lt;/source&gt; &lt;/configuration&gt; &lt;/execution&gt; &lt;/executions&gt; &lt;/plugin&gt; </code></pre>
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    1. USWojtek
    1. USWojtek
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      1. VTUpMod
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      1. USfnt
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    1. COWhy don't you just bite the bullet and write a simple plugin to do this for you? You should be able to peg from one of the property setting goals in build-helper-maven-plugin. It would probably just be a 35 line class file (including imports) and then everyone would have this!
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      1. USStephen Connolly
    2. COwell, I already have working solution (will add it to the main post) and writing maven plugin would require digging more into maven which will take a tad more time...
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      1. USWojtek
 

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