buildkit/util/binfmt_misc/detect.go

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package binfmt_misc
import (
"strings"
"sync"
"github.com/containerd/containerd/platforms"
)
var once sync.Once
var arr []string
func SupportedPlatforms() []string {
once.Do(func() {
def := platforms.DefaultString()
arr = append(arr, def)
if p := "linux/amd64"; def != p && amd64Supported() {
arr = append(arr, p)
}
if p := "linux/arm64"; def != p && arm64Supported() {
arr = append(arr, p)
}
if !strings.HasPrefix(def, "linux/arm/") && armSupported() {
arr = append(arr, "linux/arm/v7", "linux/arm/v6")
} else if def == "linux/arm/v7" {
arr = append(arr, "linux/arm/v6")
}
})
return arr
}