go-selfupdate

Enable your Golang applications to self update. Inspired by Chrome based on Heroku's hk.

Features

Tested on Mac, Linux, Arm, and Windows
Creates binary diffs with bsdiff allowing small incremental updates
Falls back to full binary update if diff fails to match SHA

QuickStart

Install library and update/patch creation utility

go get -u github.com/sanbornm/go-selfupdate/...

Enable your App to Self Update

var updater = &selfupdate.Updater{
	CurrentVersion: version,
	ApiURL:         "http://updates.yourdomain.com/",
	BinURL:         "http://updates.yourdomain.com/",
	DiffURL:        "http://updates.yourdomain.com/",
	Dir:            "update/",
	CmdName:        "myapp", // app name
}

if updater != nil {
	go updater.BackgroundRun()
}

Push Out and Update

go-selfupdate myapp 1.2

This will create a folder in your project called, public you can then rsync or transfer this to your webserver or S3.

If you are cross compiling you can specify a directory:

go-selfupdate /tmp/mybinares/ 1.2

The directory should contain files with the name, $GOOS-$ARCH. Example:

windows-386
darwin-amd64
linux-arm

If you are using goxc you can output the files with this naming format by specifying this config: