build: only show buildkit-specific flags if buildkit is enabled

Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass
2018-10-10 02:13:01 +00:00
parent ab50c2f2b2
commit bbd01fe3df
3 changed files with 42 additions and 15 deletions

View File

@ -100,8 +100,10 @@ func setHelpFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *pflag.
ccmd.Println(err)
return
}
hideUnsupportedFeatures(ccmd, dockerCli)
if err := hideUnsupportedFeatures(ccmd, dockerCli); err != nil {
ccmd.Println(err)
return
}
defaultHelpFunc(ccmd, args)
})
}
@ -235,15 +237,21 @@ func hideFeatureSubCommand(subcmd *cobra.Command, hasFeature bool, annotation st
}
}
func hideUnsupportedFeatures(cmd *cobra.Command, details versionDetails) {
func hideUnsupportedFeatures(cmd *cobra.Command, details versionDetails) error {
clientVersion := details.Client().ClientVersion()
osType := details.ServerInfo().OSType
hasExperimental := details.ServerInfo().HasExperimental
hasExperimentalCLI := details.ClientInfo().HasExperimental
hasBuildKit, err := command.BuildKitEnabled(details.ServerInfo())
if err != nil {
return err
}
cmd.Flags().VisitAll(func(f *pflag.Flag) {
hideFeatureFlag(f, hasExperimental, "experimental")
hideFeatureFlag(f, hasExperimentalCLI, "experimentalCLI")
hideFeatureFlag(f, hasBuildKit, "buildkit")
hideFeatureFlag(f, !hasBuildKit, "no-buildkit")
// hide flags not supported by the server
if !isOSTypeSupported(f, osType) || !isVersionSupported(f, clientVersion) {
f.Hidden = true
@ -259,6 +267,8 @@ func hideUnsupportedFeatures(cmd *cobra.Command, details versionDetails) {
for _, subcmd := range cmd.Commands() {
hideFeatureSubCommand(subcmd, hasExperimental, "experimental")
hideFeatureSubCommand(subcmd, hasExperimentalCLI, "experimentalCLI")
hideFeatureSubCommand(subcmd, hasBuildKit, "buildkit")
hideFeatureSubCommand(subcmd, !hasBuildKit, "no-buildkit")
// hide subcommands not supported by the server
if subcmdVersion, ok := subcmd.Annotations["version"]; ok && versions.LessThan(clientVersion, subcmdVersion) {
subcmd.Hidden = true
@ -267,6 +277,7 @@ func hideUnsupportedFeatures(cmd *cobra.Command, details versionDetails) {
subcmd.Hidden = true
}
}
return nil
}
// Checks if a command or one of its ancestors is in the list
@ -313,6 +324,7 @@ func areFlagsSupported(cmd *cobra.Command, details versionDetails) error {
if _, ok := f.Annotations["experimentalCLI"]; ok && !hasExperimentalCLI {
errs = append(errs, fmt.Sprintf("\"--%s\" is on a Docker cli with experimental cli features enabled", f.Name))
}
// buildkit-specific flags are noop when buildkit is not enabled, so we do not add an error in that case
}
})
if len(errs) > 0 {