luisdavim / gh-extension-precompile

Action for publishing binary GitHub CLI extensions

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Action for releasing precompiled gh extensions

gh is GitHub on the command line. It can be extended with both first and third-party user-defined commands via gh extension. These commands can be written in a compiled language like Go or Rust and this action exists to automate the release of such compiled extensions, making it possible to deliver binaries to users without having to worry about them having any kind of local toolchain in place.

Quickstart (golang)

Assuming your extension is written in Go and you don't care about signing your releases, you can incorporate this release into your extension's repo by adding a workflow file like this at .github/workflows/release.yml:

name: release

on:
  push:
    tags:
      - "v*"

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: cli/gh-extension-precompile@latest

Then, from the command line, push a tag to initiate a release:

git tag v1.0.0
git push origin v1.0.0

Within a few minutes, users of your extension will be able to install your latest version.

Prereleases

To test out a release, you can push a prerelease tag like v2.0.0-pre0. This will create a prerelease and not result in an upgrade notice for your users.

Go version

By default, Go 1.16 will be used to build your extension. To change this, set go_version:

- uses: cli/gh-extension-precompile@v1
  with:
    go_version: "1.17"

Using with another language

If you aren't using Go, you'll need to provide your own script for compiling your extension and configure this action to use build_script_override:

This script must produce executables in a dist directory all named with a suffix in the format: platform-architecture. For example: my-extension_v1.0.0_windows-arm64. Front matter in the filename is ignored by gh; only the suffix is matched.

For examples of platform/architecture names, see this list.

Your build script will receive the tag to compile against as its first argument ($1).

- uses: cli/gh-extension-precompile@v1
  with:
    build_script_override: "script/build.sh"

Potentially useful environment variables exposed to your build script:

  • GITHUB_REPOSITORY: name of your repo in owner/repo format
  • GITHUB_TOKEN: auth token being used to run this workflow

Signing

This action can produce a checksum file for all generated executables and then sign it with GPG.

To enable this, make sure your repository has the secrets GPG_SECRET_KEY and GPG_PASSPHRASE set. Then, configure this action like so:

name: release

on:
  push:
    tags:
      - "v*"

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - id: import_gpg
        uses: crazy-max/ghaction-import-gpg@v3
        with:
          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.GPG_PASSPHRASE }}
      - uses: cli/gh-extension-precompile@v1
        with:
          gpg_fingerprint: ${{ steps.import_gpg.outputs.fingerprint }}

Author

nate smith vilmibm@github.com

About

Action for publishing binary GitHub CLI extensions

License:MIT License


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