[gradle-user] Re: Having trouble with the incremental build

[blackwolf]

My gradle.build file is really simple:

apply from: "${System.getenv().GRADLE_COMMON}/plugins/common.gradle"

dependencies {
   compile group: 'commons-logging', name: 'commons-logging', version: '1.1'
   compile group: 'log4j', name: 'log4j', version: '1.2.14'

   testCompile group: 'junit', name: 'junit', version: '4.4'
   testCompile group: 'org.easymock', name: 'easymock', version: '2.3'
   testCompile group: 'org.easymock', name: 'easymockclassextension',
version: '2.3'
}

artifactoryPublish {
   dependsOn test
   publishConfigs("archives")
}

and common.gradle is:

apply plugin: 'java'
apply plugin: 'maven'
apply plugin: 'artifactory'

// Define some useful paths and set buildDir
USEFUL_PATH_1 = "foo"
USEFUL_PATH_2 = "bar"
buildDir = "/var/tmp/${System.getenv().USER}/build/" + PROJECT_SPECIFIC_PATH

// Define the source sets.
sourceSets {
   main {
      java {
         srcDirs 'main/java'
      }
      resources {
         srcDirs 'main/resources'
      }
   }
   test {
      java {
         srcDirs 'test/java'
      }
      resources {
         srcDirs 'test/resources'
      }
   }
}

// Use our Artifactory virtual repository to resolve all dependencies.
repositories {
   mavenRepo urls: ARTIFACTORY_URL
}

// Turn on deprecation and unchecked warnings.
compileJava {
   options.compilerArgs.add '-Xlint:deprecation'
   options.compilerArgs.add '-Xlint:unchecked'
}

compileTestJava {
   options.compilerArgs.add '-Xlint:deprecation'
   options.compilerArgs.add '-Xlint:unchecked'
}

// Fix the clean task.
deleteDirClosure = {
   it.eachDir(deleteDirClosure)
   it.eachFile {
      it.delete()
   }
}

clean {
   if (buildDir.exists()) {
      deleteDirClosure(buildDir)
   }
}

// Configuration for uploading build artifacts to Artifactory.
artifactory {
   // Some Artifactory-specific stuff.
}


the output of 'gradle build -i' is:
Executing task ':MY_PROJECT:compileJava' due to:
Output file /var/tmp/dumitru/build/PROJECT_SPECIFIC_PATH/dependency-cache
for task ':MY_PROJECT:compileJava' has changed.
Output file /var/tmp/dumitru/build/PROJECT_SPECIFIC_PATH/classes/main for
task ':MY_PROJECT:compileJava' has changed.
Output file
/var/tmp/dumitru/build/PROJECT_SPECIFIC_PATH/classes/main/PACKAGE_PATH/JAVA_CLASS.class
has been removed for task ':MY_PROJECT:compileJava'.
Output file
/var/tmp/dumitru/build/PROJECT_SPECIFIC_PATH/classes/main/PACKAGE_PATH/JAVA_CLASS.class
has been removed for task ':MY_PROJECT:compileJava'.

(and a few more lines like this)


I should mention that I made some changes to the gradle source code: I added
a custom dependency resolver, but it doesn't process any dependency for this
project, and I changed AbstractProject.path to always be
'Project.PATH_SEPARATOR + name' (that's why the task name is
":MY_PROJECT:compileJava" instead of just ":compileJava"). However, it seems
to me that none of these changes should affect the incremental build code.

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