[ 
https://jira.codehaus.org/browse/MBUILDNUM-77?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=298438#comment-298438
 ] 

Xavier Shay commented on MBUILDNUM-77:
--------------------------------------

I hit this.
I liked my pretty git.

>:[
                
> Cannot read revision version when git has been configured with a pretty 
> format option
> -------------------------------------------------------------------------------------
>
>                 Key: MBUILDNUM-77
>                 URL: https://jira.codehaus.org/browse/MBUILDNUM-77
>             Project: Mojo Build Number Maven Plugin
>          Issue Type: Bug
>    Affects Versions: buildnumber-maven-plugin-1.0
>         Environment: maven 3.0.3, git 1.7.7.2
>            Reporter: Thomas Queste
>
> The plugin fails when reading the revision number from Git when Git is 
> configured with a format.pretty option.
> *Stacktrace*
> Here, Git has a format.pretty option, and the plugin fails:
> {code}
> [ERROR] Failed to execute goal 
> org.codehaus.mojo:buildnumber-maven-plugin:1.0:create (default) on project 
> iw-project: Execution default of goal 
> org.codehaus.mojo:buildnumber-maven-plugin:1.0:create failed: Index: 0, Size: 
> 0 -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal org.codehaus.mojo:buildnumber-maven-plugin:1.0:create (default) on 
> project iw-project: Execution default of goal 
> org.codehaus.mojo:buildnumber-maven-plugin:1.0:create failed: Index: 0, Size: > 0
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>       at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
>       at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
>       at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>       at java.lang.reflect.Method.invoke(Method.java:597)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution 
> default of goal org.codehaus.mojo:buildnumber-maven-plugin:1.0:create failed: 
> Index: 0, Size: 0
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>       ... 19 more
> Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
>       at java.util.ArrayList.RangeCheck(ArrayList.java:547)
>       at java.util.ArrayList.get(ArrayList.java:322)
>       at org.codehaus.mojo.build.CreateMojo.getScmBranch(CreateMojo.java:637)
>       at org.codehaus.mojo.build.CreateMojo.execute(CreateMojo.java:464)
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>       ... 20 more
> {code}
> *Problematic git configuration*
> {code}
> $ git config -l | grep format
> format.pretty=%C(yellow)%h%Creset %s %C(red)(%an, %cr)%Creset
> {code}
> *Result of 'git show' with this format.pretty option*
> This output is not parseable by the buildnumber plugin.
> {code}
> [DEBUG] consume line 4689188 Factory: remove unused funtions (tqueste, 2 days 
> ago)
> {code}
> *Workaround*
> Remove the format.pretty configuration option. The plugin runs successfully.
> *Solution*
> Either the plugin disable the format.pretty option when running, or it 
> stopped with a warning ("'format.pretty' option used. Cannot continue").

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