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sparkle-github-release

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UpdatedMarch 13, 2026 at 04:13

Set up and manage macOS app releases with Sparkle auto-update via GitHub Actions. Use when the user needs to (1) configure the macOS release pipeline (build, sign, notarize, distribute), (2) integrate Sparkle framework for auto-updates in a Swift macOS app, (3) create or modify the GitHub Actions release workflow (macos-release.yml), (4) generate or debug Sparkle appcast.xml feeds, (5) configure or rotate signing/notarization secrets, (6) set up GitHub Pages deployment for appcast hosting, (7) write or update CI scripts for code signing, notarization, or appcast generation, or (8) troubleshoot DMG creation, notarization failures, or Sparkle update issues.

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name

sparkle-github-release

description

Sparkle GitHub Release

macOS app release pipeline: GitHub Actions for building, code signing, notarization, and Sparkle auto-update distribution.

Architecture

GitHub Release (vX.Y.Z tag)
         │
         ▼
  GitHub Actions (self-hosted macOS)
         │
         ├──► xcodebuild archive (manual signing, hardened runtime)
         │
         ├──► Sign Sparkle framework artifacts
         │
         ├──► Create DMG + notarize with Apple
         │
         ├──► Generate appcast.xml (EdDSA signatures)
         │
         ├──► Upload DMG to GitHub Release
         │
         ▼
  GitHub Actions (ubuntu-latest)
         │
         └──► Deploy appcast.xml + release notes to GitHub Pages
                    │
                    ▼
           update.{domain}/appcast.xml ◄── Sparkle checks for updates

Release Workflow

Creating a release

Ensure all GitHub secrets are configured → See secrets.md
Create a GitHub Release with a semver tag (e.g. v1.0.0)
Write release notes in the release body (Markdown)
The workflow automatically builds, signs, notarizes, and deploys
The DMG appears as a release asset; appcast.xml is deployed to Pages
Users with the app installed receive the update via Sparkle

Pipeline stages

Stage	Tool	Output
Archive	`xcodebuild archive`	`.xcarchive` with hardened runtime
Sign Sparkle	`sign-sparkle.sh`	Re-signed Sparkle XPC services + framework
DMG + Notarize	`notary.sh` + `create-dmg`	Notarized, stapled `.dmg`
Appcast	`generate-appcast.sh`	`appcast.xml` with EdDSA signatures
Deploy	GitHub Pages action	`update.{domain}/appcast.xml`

Version identifiers

Field	Build Setting	Source	Example
Version	`MARKETING_VERSION`	Release tag (e.g. `1.0.0`)	`1.2.3`
Build	`CURRENT_PROJECT_VERSION`	GitHub Actions run number	`42`

File Reference

File	Purpose
`.github/workflows/macos-release.yml`	Full release pipeline (build + deploy)
`scripts/ci-set-manual-signing.sh`	Switch to manual code signing for CI
`scripts/update-version.sh`	Stamp version numbers from release tag
`scripts/sign-sparkle.sh`	Re-sign Sparkle framework for notarization
`scripts/notary.sh`	Create DMG and notarize with Apple
`scripts/generate-appcast.sh`	Generate Sparkle appcast.xml feed
`scripts/convert-markdown.py`	Convert release notes to styled HTML
`scripts/update-xml.py`	Patch appcast.xml with release notes links
`bin/generate_appcast`	Sparkle binary for appcast generation

Scripts

Script	Args	Purpose
`ci-set-manual-signing.sh`	`<identity> <profile_name>`	Patch project.pbxproj for manual signing
`update-version.sh`	`<version> [build_number]`	Update MARKETING_VERSION and build number
`sign-sparkle.sh`	(none, uses env)	Re-sign Sparkle binaries with hardened runtime
`notary.sh`	(none, uses env)	Create DMG, notarize, and staple
`generate-appcast.sh`	(none, uses env)	Generate appcast.xml with EdDSA signatures
`convert-markdown.py`	`<input.md> <output.html>`	Markdown to styled HTML for release notes
`update-xml.py`	`<appcast.xml> <notes_path> [build_number]`	Add release notes link and build number to appcast

Read references/scripts.md for detailed script documentation including environment variables and implementation details.

References

GitHub Actions workflow (trigger, jobs, archive command, deploy): github-actions.md
Sparkle integration (Swift setup, Info.plist, SPM dependency): sparkle-integration.md
Scripts (all CI scripts with env vars and behavior): scripts.md
Secrets management (required secrets, how to generate each one): secrets.md

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name

sparkle-github-release

description

Sparkle GitHub Release

macOS app release pipeline: GitHub Actions for building, code signing, notarization, and Sparkle auto-update distribution.

Architecture

GitHub Release (vX.Y.Z tag)
         │
         ▼
  GitHub Actions (self-hosted macOS)
         │
         ├──► xcodebuild archive (manual signing, hardened runtime)
         │
         ├──► Sign Sparkle framework artifacts
         │
         ├──► Create DMG + notarize with Apple
         │
         ├──► Generate appcast.xml (EdDSA signatures)
         │
         ├──► Upload DMG to GitHub Release
         │
         ▼
  GitHub Actions (ubuntu-latest)
         │
         └──► Deploy appcast.xml + release notes to GitHub Pages
                    │
                    ▼
           update.{domain}/appcast.xml ◄── Sparkle checks for updates

Release Workflow

Creating a release

Ensure all GitHub secrets are configured → See secrets.md
Create a GitHub Release with a semver tag (e.g. v1.0.0)
Write release notes in the release body (Markdown)
The workflow automatically builds, signs, notarizes, and deploys
The DMG appears as a release asset; appcast.xml is deployed to Pages
Users with the app installed receive the update via Sparkle

Pipeline stages

Stage	Tool	Output
Archive	`xcodebuild archive`	`.xcarchive` with hardened runtime
Sign Sparkle	`sign-sparkle.sh`	Re-signed Sparkle XPC services + framework
DMG + Notarize	`notary.sh` + `create-dmg`	Notarized, stapled `.dmg`
Appcast	`generate-appcast.sh`	`appcast.xml` with EdDSA signatures
Deploy	GitHub Pages action	`update.{domain}/appcast.xml`

Version identifiers

Field	Build Setting	Source	Example
Version	`MARKETING_VERSION`	Release tag (e.g. `1.0.0`)	`1.2.3`
Build	`CURRENT_PROJECT_VERSION`	GitHub Actions run number	`42`

File Reference

File	Purpose
`.github/workflows/macos-release.yml`	Full release pipeline (build + deploy)
`scripts/ci-set-manual-signing.sh`	Switch to manual code signing for CI
`scripts/update-version.sh`	Stamp version numbers from release tag
`scripts/sign-sparkle.sh`	Re-sign Sparkle framework for notarization
`scripts/notary.sh`	Create DMG and notarize with Apple
`scripts/generate-appcast.sh`	Generate Sparkle appcast.xml feed
`scripts/convert-markdown.py`	Convert release notes to styled HTML
`scripts/update-xml.py`	Patch appcast.xml with release notes links
`bin/generate_appcast`	Sparkle binary for appcast generation

Scripts

Script	Args	Purpose
`ci-set-manual-signing.sh`	`<identity> <profile_name>`	Patch project.pbxproj for manual signing
`update-version.sh`	`<version> [build_number]`	Update MARKETING_VERSION and build number
`sign-sparkle.sh`	(none, uses env)	Re-sign Sparkle binaries with hardened runtime
`notary.sh`	(none, uses env)	Create DMG, notarize, and staple
`generate-appcast.sh`	(none, uses env)	Generate appcast.xml with EdDSA signatures
`convert-markdown.py`	`<input.md> <output.html>`	Markdown to styled HTML for release notes
`update-xml.py`	`<appcast.xml> <notes_path> [build_number]`	Add release notes link and build number to appcast

Read references/scripts.md for detailed script documentation including environment variables and implementation details.

References

GitHub Actions workflow (trigger, jobs, archive command, deploy): github-actions.md
Sparkle integration (Swift setup, Info.plist, SPM dependency): sparkle-integration.md
Scripts (all CI scripts with env vars and behavior): scripts.md
Secrets management (required secrets, how to generate each one): secrets.md