Minetweak Update Version Script

updateVersion.groovy

if (!args.size()==1) {println('Usage: updateVersion.groovy New.Version') ; return}

def mainDir = new File(getClass().protectionDomain.codeSource.location.path).getParentFile().getParentFile()
def newVersion = args[0]
def gradleScript = new File(mainDir, 'build.gradle')
def input = gradleScript.newReader()
def tmpFile = new File('build.gradle.tmp')
def output = new FileWriter(tmpFile)
input.eachLine {
    if (it.startsWith('def version')) {
        println 'Found Version: ' + evaluate(it)
        it = 'def version = \'' + newVersion + '\''
    }
    output.write(it + '\n')
}
output.flush()
output.close()
input.close()
gradleScript.delete()
tmpFile.renameTo(gradleScript)