build: use strconv.ParseBool to parse DOCKER_BUILDKIT to allow value "0"

Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass 2018-07-03 23:14:06 +00:00
parent 7b255e653a
commit 721000e6c9
1 changed files with 9 additions and 2 deletions

View File

@ -13,6 +13,7 @@ import (
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
"github.com/docker/cli/cli"
@ -176,8 +177,14 @@ func (out *lastProgressOutput) WriteProgress(prog progress.Progress) error {
// nolint: gocyclo
func runBuild(dockerCli command.Cli, options buildOptions) error {
if os.Getenv("DOCKER_BUILDKIT") != "" {
return runBuildBuildKit(dockerCli, options)
if buildkitEnv := os.Getenv("DOCKER_BUILDKIT"); buildkitEnv != "" {
enableBuildkit, err := strconv.ParseBool(buildkitEnv)
if err != nil {
return errors.Wrap(err, "DOCKER_BUILDKIT environment variable expects boolean value")
}
if enableBuildkit {
return runBuildBuildKit(dockerCli, options)
}
}
var (