Snippet for self updatable go binaries

updatable-go-binary-snippet3.go

// Code snippet: Lookup executable in the latest release information
var assetId AssetId
var format AssetFormat
loop:
for _, v := range latest.Assets {
    asset := *v.Name
    switch {
    case strings.Contains(asset, ".zip"):
        if strings.EqualFold(asset, executableName+".zip") {
            assetId = AssetId(*v.ID)
            format = Zip
            break loop
        }
    case strings.Contains(asset, ".tar.gz"):
        if strings.EqualFold(asset, executableName+".tar.gz") {
            assetId = AssetId(*v.ID)
            format = Tar
            break loop
        }
    }
}