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rename_buildpack_command.go
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rename_buildpack_command.go
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package v6
import (
"code.cloudfoundry.org/cli/actor/actionerror"
"code.cloudfoundry.org/cli/actor/sharedaction"
"code.cloudfoundry.org/cli/actor/v2action"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccversion"
"code.cloudfoundry.org/cli/command"
"code.cloudfoundry.org/cli/command/flag"
"code.cloudfoundry.org/cli/command/v6/shared"
"fmt"
"strings"
)
//go:generate counterfeiter . RenameBuildpackActor
type RenameBuildpackActor interface {
CloudControllerAPIVersion() string
RenameBuildpack(oldName string, newName string, stackName string) (v2action.Warnings, error)
}
type RenameBuildpackCommand struct {
RequiredArgs flag.RenameBuildpackArgs `positional-args:"yes"`
Stack string `short:"s" description:"Specify which buildpack to rename by stack"`
usage interface{} `usage:"CF_NAME rename-buildpack BUILDPACK_NAME NEW_BUILDPACK_NAME [-s STACK]"`
relatedCommands interface{} `related_commands:"update-buildpack"`
UI command.UI
Config command.Config
SharedActor command.SharedActor
Actor RenameBuildpackActor
}
func (cmd *RenameBuildpackCommand) Setup(config command.Config, ui command.UI) error {
cmd.UI = ui
cmd.Config = config
cmd.SharedActor = sharedaction.NewActor(config)
ccClient, uaaClient, err := shared.GetNewClientsAndConnectToCF(config, ui)
if err != nil {
return err
}
cmd.Actor = v2action.NewActor(ccClient, uaaClient, config)
return nil
}
func (cmd RenameBuildpackCommand) Execute(args []string) error {
if err := cmd.SharedActor.CheckTarget(false, false); err != nil {
return err
}
user, err := cmd.Config.CurrentUser()
if err != nil {
return err
}
if cmd.stackSpecified() {
err = command.MinimumCCAPIVersionCheck(cmd.Actor.CloudControllerAPIVersion(), ccversion.MinVersionBuildpackStackAssociationV2, "Option '-s'")
if err != nil {
return err
}
cmd.UI.DisplayTextWithFlavor("Renaming buildpack {{.OldName}} to {{.NewName}} with stack {{.Stack}} as {{.CurrentUser}}...", map[string]interface{}{
"OldName": cmd.RequiredArgs.OldBuildpackName,
"NewName": cmd.RequiredArgs.NewBuildpackName,
"Stack": cmd.Stack,
"CurrentUser": user.Name,
})
} else {
cmd.UI.DisplayTextWithFlavor("Renaming buildpack {{.OldName}} to {{.NewName}} as {{.CurrentUser}}...", map[string]interface{}{
"OldName": cmd.RequiredArgs.OldBuildpackName,
"NewName": cmd.RequiredArgs.NewBuildpackName,
"CurrentUser": user.Name,
})
}
warnings, err := cmd.Actor.RenameBuildpack(cmd.RequiredArgs.OldBuildpackName, cmd.RequiredArgs.NewBuildpackName, cmd.Stack)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return filterError(cmd.RequiredArgs.NewBuildpackName, err)
}
cmd.UI.DisplayOK()
return nil
}
func filterError(newBuildpackName string, err error) error {
if _, ok := err.(actionerror.BuildpackInvalidError); !ok {
return err
}
if strings.Index(err.Error(), "stack unique") == -1 {
return err
}
return fmt.Errorf("Buildpack %s already exists without a stack", newBuildpackName)
}
func (cmd RenameBuildpackCommand) stackSpecified() bool {
return len(cmd.Stack) > 0
}