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== Goals ==
* package latest Gradle 2.x
* implement local resolver so that packages can be built with Gradle
** this includes Gradle itself
* package older Gradle from 1.x line, if needed (optionall)
** some projects won't compile with Gradle 2.x or even incompatible version from 1.x line
== TODO ==
* packaging
** new packages
*** zinc (incremental Scala compiler)
== Bootstrap plan ==
== Bootstrap plan ==


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People involved: [[User:Mizdebsk|Mikolaj Izdebski]]
People involved: [[User:Mizdebsk|Mikolaj Izdebski]]


Current state: during phase 2
Current state: done, Gradle is in Fedora 22+


=== Phase 1 (initial bootstrap) ===
=== Phase 1 (initial bootstrap) ===
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** Gradle can be built in isolated environment without Internet access
** Gradle can be built in isolated environment without Internet access
** new rpm packages can be created which use gradle as build system
** new rpm packages can be created which use gradle as build system
** results: http://copr.fedoraproject.org/coprs/mizdebsk/gradle/


=== Phase 3 (dependency refinement) ===
=== Phase 3 (dependency refinement) ===
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* upstream patches
* upstream patches
* enable tests (if skipped)
* enable tests (if skipped)
== Blocker problems ==
* there is no public API for providing custom resolver
** Ivy resolvers are not supported in Gradle 2.x
** custom resolvers are internal within Gradle (org.gradle.api.internal)
** this used to work for Gradle 1.x:
buildscript {
    dependencies {
        classpath files('/usr/share/java/xmvn/xmvn-connector-ivy.jar',
                        '/usr/share/java/xmvn/xmvn-launcher.jar',
                        '/usr/share/java/xmvn/xmvn-api.jar')
    }
}
repositories {
    add(new org.fedoraproject.xmvn.connector.ivy.IvyResolver())
}

Latest revision as of 09:54, 23 July 2015

Goals

  • package latest Gradle 2.x
  • implement local resolver so that packages can be built with Gradle
    • this includes Gradle itself
  • package older Gradle from 1.x line, if needed (optionall)
    • some projects won't compile with Gradle 2.x or even incompatible version from 1.x line

TODO

  • packaging
    • new packages
      • zinc (incremental Scala compiler)

Bootstrap plan

Plan for bootstrapping Gradle in Fedora.

People involved: Mikolaj Izdebski

Current state: done, Gradle is in Fedora 22+

Phase 1 (initial bootstrap)

Phase 2 (local mode)

  • implement local mode using XMvn
  • package all Gradle build dependencies in wrapper rpm
    • binaries taken from the Internet
    • XMvn metadata added
  • from now on:

Phase 3 (dependency refinement)

  • while wrapper rpm is not empty:
    • pick one artifact from wrapper rpm
    • if it is not yet available in fedora:
      • build it from source and package it as rpm
      • skip tests if there are too many missing test dependencies
      • add any missing build or test dependencies to wrapper rpm
    • rebuild Gradle and run tests to make sure everything keeps working
    • if there are build or test failures, debug them and create patches
  • get rid of wrapper rpm
  • from now on:
    • Gradle with all dependencies are free from prebuilt binaries
    • everything is patched to work with artifact versions available in Fedora

Phase 4 (push to Fedora)

  • request FPC bootstrap exception
  • for all new packages:
    • do review (licensing etc)
    • cleanup spec file
    • submit for review
    • someone else reviews the package
    • package is checked into Fedora git and built in Koji
  • from now on:
    • we have gradle in Fedora

Phase 5 (further improvements)

  • implement javapackages macros for Gradle
  • prepare packaging documentation
  • announce gradle availability
  • upstream patches
  • enable tests (if skipped)
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