pulumi/sdk/go/pulumi-language-go/goversion/version.go

44 lines
1.2 KiB
Go

package goversion
import (
"fmt"
"os/exec"
"strings"
goVersion "github.com/hashicorp/go-version"
)
var minGoVersion = goVersion.Must(goVersion.NewVersion("1.14.0"))
// CheckMinimumGoVersion checks to make sure we are running at least minGoVersion
func CheckMinimumGoVersion(gobin string) error {
cmd := exec.Command(gobin, "version")
stdout, err := cmd.Output()
if err != nil {
return fmt.Errorf("determining go version: %w", err)
}
return checkMinimumGoVersion(string(stdout))
}
// checkMinimumGoVersion checks to make sure we are running at least go 1.14.0
// expected format of goVersionOutput: go version go<version> <os/arch>
func checkMinimumGoVersion(goVersionOutput string) error {
split := strings.Split(goVersionOutput, " ")
if len(split) <= 2 {
return fmt.Errorf("unexpected format for go version output: \"%s\"", goVersionOutput)
}
version := strings.TrimSpace(split[2])
version = strings.TrimPrefix(version, "go")
currVersion, err := goVersion.NewVersion(version)
if err != nil {
return fmt.Errorf("parsing go version: %w", err)
}
if currVersion.LessThan(minGoVersion) {
return fmt.Errorf("go version must be %s or higher (%s detected)", minGoVersion.String(), version)
}
return nil
}