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Merge pull request #1119 from silvin-lubecki/fix-help-docker-client-initialization 

Check errors when initializing the docker client in the help command
This commit is contained in:
Vincent Demeester 2018-06-08 17:05:21 +02:00 committed by GitHub
parent 001c8f2f7f f4b0780e20
commit aac3124794
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 9 deletions
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23
cmd/docker/docker.go
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@ -83,7 +83,9 @@ func setFlagErrorFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *p
// is called.
flagErrorFunc := cmd.FlagErrorFunc()
cmd.SetFlagErrorFunc(func(cmd *cobra.Command, err error) error {
initializeDockerCli(dockerCli, flags, opts)
if err := initializeDockerCli(dockerCli, flags, opts); err != nil {
return err
}
if err := isSupported(cmd, dockerCli); err != nil {
return err
}
@ -94,7 +96,10 @@ func setFlagErrorFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *p
func setHelpFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *pflag.FlagSet, opts *cliflags.ClientOptions) {
defaultHelpFunc := cmd.HelpFunc()
cmd.SetHelpFunc(func(ccmd *cobra.Command, args []string) {
initializeDockerCli(dockerCli, flags, opts)
if err := initializeDockerCli(dockerCli, flags, opts); err != nil {
ccmd.Println(err)
return
}
if err := isSupported(ccmd, dockerCli); err != nil {
ccmd.Println(err)
return
@ -123,7 +128,9 @@ func setValidateArgs(dockerCli *command.DockerCli, cmd *cobra.Command, flags *pf
cmdArgs := ccmd.Args
ccmd.Args = func(cmd *cobra.Command, args []string) error {
initializeDockerCli(dockerCli, flags, opts)
if err := initializeDockerCli(dockerCli, flags, opts); err != nil {
return err
}
if err := isSupported(cmd, dockerCli); err != nil {
return err
}
@ -132,13 +139,15 @@ func setValidateArgs(dockerCli *command.DockerCli, cmd *cobra.Command, flags *pf
})
}
func initializeDockerCli(dockerCli *command.DockerCli, flags *pflag.FlagSet, opts *cliflags.ClientOptions) {
if dockerCli.Client() == nil { // when using --help, PersistentPreRun is not called, so initialization is needed.
func initializeDockerCli(dockerCli *command.DockerCli, flags *pflag.FlagSet, opts *cliflags.ClientOptions) error {
if dockerCli.Client() != nil {
return nil
}
// when using --help, PersistentPreRun is not called, so initialization is needed.
// flags must be the top-level command flags, not cmd.Flags()
opts.Common.SetDefaultOptions(flags)
dockerPreRun(opts)
dockerCli.Initialize(opts)
}
return dockerCli.Initialize(opts)
}
// visitAll will traverse all commands from the root.