Gradle, copy and rename file

user_310490 0
Viewed 13188

I'm trying to in my gradle script, after creating the bootJar for a spring app, copy and rename the jar that was created to a new name (which will be used in a Dockerfile). I'm missing how to rename the file (I don't want to have the version in docker version of the output file).

bootJar {
    baseName = 'kcentral-app'
    version =  version
}


task buildForDocker(type: Copy){
  from bootJar
  into 'build/libs/docker'
}
build.gradle gradle
2 Answers

You could directly generate the jar with your expected name, instead of renaming it after it has been generated, using archiveName property from bootJar extension:

bootJar {
   archiveName "kcentral-app.jar" // <- this overrides the generated jar filename
   baseName = 'kcentral-app'
   version =  version
}

EDIT If you need to keep the origin jar filename (containing version), then you can update your buildForDocker task definition as follows:

task buildForDocker(type: Copy){
    from bootJar
    into 'build/libs/docker'
    rename { String fileName ->
        // a simple way is to remove the "-$version" from the jar filename
        // but you can customize the filename replacement rule as you wish.
        fileName.replace("-$project.version", "")
    }
}

For more information, see Gradle Copy Task DSL

user_68998960

You can also do something like this:

task copyLogConfDebug(type: Copy){
    group = 'local'
    description = 'copy logging conf at level debug to WEB-INF/classes'
    from "www/WEB-INF/conf/log4j2.debug.xml"
    into "www/WEB-INF/classes/"
    rename ('log4j2.debug.xml','log4j2.xml')
user_5296590
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