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63 changes: 63 additions & 0 deletions .github/workflows/deploy.yml
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# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.
# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle

name: Deploy to central

on: workflow_dispatch

permissions:
contents: read

jobs:
build:
uses: ./.github/workflows/gradle.yml
deploy:
needs: build
strategy:
matrix:
include:
- target: publishIosArm64PublicationToSonatypeRepository
os: macos-latest
- target: publishAndroidReleasePublicationToSonatypeRepository
os: ubuntu-latest
- target: publishJvmPublicationToSonatypeRepository
os: ubuntu-latest
- target: publishLinuxX64PublicationToSonatypeRepository
os: ubuntu-latest
- target: publishKotlinMultiplatformPublicationToSonatypeRepository
os: ubuntu-latest
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v3
- name: Validate Gradle Wrapper
uses: gradle/wrapper-validation-action@v1
- uses: actions/cache@v3
with:
path: |
~/.konan
key: ${{ runner.os }}-${{ hashFiles('**/.lock') }}
- name: Import GPG key
uses: crazy-max/ghaction-import-gpg@v5
with:
gpg_private_key: ${{ secrets.OSSRH_GPG_SECRET_KEY }}
passphrase: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}
- name: Set up JDK 17
uses: actions/setup-java@v3
with:
java-version: '17'
distribution: 'temurin'
- name: Gradle publish
uses: gradle/gradle-build-action@ce999babab2de1c4b649dc15f0ee67e6246c994f
with:
arguments: |
${{ matrix.target }}
closeSonatypeStagingRepository
-Psigning.gnupg.passphrase='${{secrets.OSSRH_GPG_SECRET_KEY_PASSWORD}}'
-Psigning.gnupg.keyName='${{secrets.OSSRH_GPG_SECRET_KEY_ID}}'
-PsonatypeUsername='${{secrets.OSSRH_USERNAME}}'
-PsonatypePassword='${{secrets.OSSRH_PASSWORD}}'
54 changes: 54 additions & 0 deletions .github/workflows/gradle.yml
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# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.
# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle

name: Java CI with Gradle

on:
push:
branches: [ "main" ]
pull_request:
branches: [ "main" ]
workflow_call:

permissions:
contents: read

jobs:
build:
strategy:
matrix:
include:
- target: iosSimulatorArm64Test
os: macos-latest
- target: jvmTest
os: ubuntu-latest
- target: linuxX64Test
os: ubuntu-latest
- target: testDebugUnitTest
os: ubuntu-latest
- target: testReleaseUnitTest
os: ubuntu-latest
runs-on: ${{ matrix.os }}

steps:
- uses: actions/checkout@v3
- name: Validate Gradle Wrapper
uses: gradle/wrapper-validation-action@v1
- uses: actions/cache@v3
with:
path: |
~/.konan
key: ${{ runner.os }}-${{ hashFiles('**/.lock') }}
- name: Set up JDK 17
uses: actions/setup-java@v3
with:
java-version: '17'
distribution: 'temurin'
- name: Build with Gradle
uses: gradle/gradle-build-action@ce999babab2de1c4b649dc15f0ee67e6246c994f
with:
arguments: ${{ matrix.target }}
10 changes: 10 additions & 0 deletions .gitignore
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*.iml
.gradle
.idea
.DS_Store
build
captures
.externalNativeBuild
.cxx
local.properties
xcuserdata
201 changes: 201 additions & 0 deletions LICENSE
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Apache License
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58 changes: 58 additions & 0 deletions README.md
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[![official project](http://jb.gg/badges/official.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)

# Multiplatform library template

## What is it?

It is the barebones library project intended to quickly bootstrap a Kotlin Multiplatform library, that is deployable to Maven Central.

It has only one function: generate the [Fibonacci sequence](https://en.wikipedia.org/wiki/Fibonacci_sequence) starting from platform-provided numbers. Also, it has a test for each platform just to be sure that tests run.

Note that no other actions or tools usually required for the library development are set up, such as [tracking of backwards compatibility]
(https://kotlinlang.org/docs/jvm-api-guidelines-backward-compatibility.html#tools-designed-to-enforce-backward-compatibility), explicit API mode,
licensing, contribution guideline, code of conduct and others.

## How do I build it?

1. - [x] Clone this repository ot just [use it as template](https://github.com/Kotlin/multiplatform-library-template/generate)
1. - [ ] Edit library module name and include it in [`settings.gradle.kts`](settings.gradle.kts#L18)
1. - [ ] Edit [`groupId` and `version`](convention-plugins/src/main/kotlin/module.publication.gradle.kts#L10-L11)
1. If you need the Android support update namespace [there](library/build.gradle.kts#L38) too
1. If you don't need an Android support delete the [`android` section](library/build.gradle.kts#L37-L43)
1. - [ ] Edit [build targets you need](library/build.gradle.kts#L9-L21)

At this stage, you have everything set to work with Kotlin Multiplatform. The project should be buildable (but you might need to provide actual starting values for the platforms you need).

## How do I make it build on GitHub Actions?

To make it work on GitHub actions, you need to update the [`matrix` section in `gradle.yml`](.github/workflows/gradle.yml#L25-L34). If you didn't change platforms in `build.gradle.kts` you don't need to touch anything. But still read it to understand how it works.

Also, currently, it only runs tests, but you can change this behaviour as you wish by modifying `matrix` and the Gradle [build command](.github/workflows/gradle.yml#L52)

## How do I deploy it to Maven Central?

The most part of the job is already automated for you. However, deployment to Maven Central requires some manual work from your side.

1. - [ ] Create an account at [Sonatype issue tracker](https://issues.sonatype.org/secure/Signup!default.jspa)
1. - [ ] [Create an issue](https://issues.sonatype.org/secure/CreateIssue.jspa?issuetype=21&pid=10134) to create new project for you
1. - [ ] You will have to prove that you own your desired namespace
1. - [ ] Create a GPG key with `gpg --gen-key`, use the same email address you used to sign up to the Sonatype Jira
1. - [ ] Find your key id in the output of the previous command looking like `D89FAAEB4CECAFD199A2F5E612C6F735F7A9A519`
1. - [ ] Upload your key to a keyserver, for example
```bash
gpg --send-keys --keyserver keyserver.ubuntu.com "<your key id>"
```
1. - [ ] Now you should create secrets available to your GitHub Actions
1. via `gh` command
```bash
gh secret set OSSRH_GPG_SECRET_KEY -a actions --body "$(gpg --export-secret-key --armor "<your key id>")"
gh secret set OSSRH_GPG_SECRET_KEY_ID -a actions --body "<your key id>"
gh secret set OSSRH_GPG_SECRET_KEY_PASSWORD -a actions --body "<your key password>"
gh secret set OSSRH_PASSWORD -a actions --body "<your sonatype account password>"
gh secret set OSSRH_USERNAME -a actions --body "<your sonatype account username>"
```
1. Or via the interface in `Settings` → `Secrets and Variables` → `Actions`, same variables as in 1.
1. - [ ] Edit deployment pom parameters in [`module.publication.gradle.kts`](convention-plugins/src/main/kotlin/module.publication.gradle.kts#L25-L44)
1. - [ ] Edit deploy targets in [`deploy.yml`](.github/workflows/deploy.yml#L23-L36)
1. - [ ] Call deployment manually when ready [in Actions](../../actions/workflows/deploy.yml) → `Run Workflow`
1. - [ ] When you see in your account on https://oss.sonatype.org that everything is fine, you can release your staging repositories and add target `releaseSonatypeStagingRepository` to `deploy.yml` [after this line](.github/workflows/deploy.yml#L60). This way artifacts will be published to central automatically when tests pass.
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