GT Version Manager

A Glamorous Toolkit version manager built inside GT itself. Browse available releases from GitHub and dl.feenk.com, compare versions, and download/install/launch different GT versions.

Quick Start

Metacello new
	repository: 'github://dweinstein/gt-version-manager/src';
	baseline: 'GtVersionManager';

GtVersionManager default inspect

Screenshots

Overview

Current version, platform, and data source summary at a glance.

Version Comparison

Unified view across GitHub releases, dl.feenk.com CDN, and local installations. Current version is bold.

GitHub Releases

Browse the 30 most recent releases with publish dates, authors, and download counts.

dl.feenk.com

The feenk CDN lists the most recent ~5 versions with all 6 platform builds. Current version is bold.

Release Detail

Drill into any release to see full metadata including version, author, total downloads, and whether it matches your running image.

Release Assets

Each release has platform-specific builds for Linux, macOS, and Windows (both x86_64 and aarch64).

Package: GToolkit-VersionManager

Classes

Class	Purpose
GtVersionManager	Main entry point (singleton). Fetches from GitHub + dl.feenk.com, manages local installs.
GtVmRelease	Single GitHub release with version, date, author, assets, download stats.
GtVmAsset	Single release asset with platform/arch parsing, size, SHA-256 digest.
GtVmReleaseGroup	Collection of releases with list and download stats views.
GtVmAssetGroup	Collection of assets filtered by platform builds.
GtVmFeenkSite	Parses dl.feenk.com/gt/ HTML directory listing.
GtVmFeenkEntry	Single file entry from dl.feenk.com.
GtVmInstallation	Local GT installation on disk with launch capability.
GtVmObject	Base class with rawData pattern.
GtVersionManagerExamples	Examples exercising the full stack.

Data Sources

• GitHub API (feenkcom/gtoolkit): 6,687+ releases, download counts, SHA-256 digests, author info. Paginated, 30 per page by default.
• dl.feenk.com/gt/: ~5 most recent versions, 6 platform builds each, stable "release pointer" URLs.

Key Features

• Platform detection: Auto-detects OS + architecture via uname -m
• Version comparison: Unified table showing each version's availability across GitHub, dl.feenk.com, and local installs
• Download & install: Downloads the correct platform zip to ~/.gt-versions/{tag}/, extracts it
• Launch: Opens installed versions (macOS open for .app bundles)
• Caching: Singleton with cached API responses; use the refresh button to update

API Usage

"Get the singleton"
vm := GtVersionManager default.

"Browse GitHub releases"
vm githubReleases.                    "30 most recent"
vm githubReleasesPerPage: 100 page: 1.  "paginated"
vm githubLatestRelease.               "just the latest"
vm githubReleaseForTag: 'v1.1.245'.   "specific version"

"Browse dl.feenk.com"
vm feenkSite versions.                "available version strings"
vm feenkSite versionedBuilds.         "all platform builds"
vm feenkSite buildsForVersion: 'v1.1.247'.

"Local installations"
vm installations.                     "list installed versions"
vm installRelease: aRelease.          "download + extract"

"Refresh cached data"
vm refresh.