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delete_buildpack.go
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/
delete_buildpack.go
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package buildpack
import (
"github.com/cloudfoundry/cli/cf/api"
"github.com/cloudfoundry/cli/cf/command_metadata"
"github.com/cloudfoundry/cli/cf/errors"
"github.com/cloudfoundry/cli/cf/requirements"
"github.com/cloudfoundry/cli/cf/terminal"
"github.com/codegangsta/cli"
)
type DeleteBuildpack struct {
ui terminal.UI
buildpackRepo api.BuildpackRepository
}
func NewDeleteBuildpack(ui terminal.UI, repo api.BuildpackRepository) (cmd *DeleteBuildpack) {
cmd = new(DeleteBuildpack)
cmd.ui = ui
cmd.buildpackRepo = repo
return
}
func (command *DeleteBuildpack) Metadata() command_metadata.CommandMetadata {
return command_metadata.CommandMetadata{
Name: "delete-buildpack",
Description: "Delete a buildpack",
Usage: "CF_NAME delete-buildpack BUILDPACK [-f]",
Flags: []cli.Flag{
cli.BoolFlag{Name: "f", Usage: "Force deletion without confirmation"},
},
}
}
func (cmd *DeleteBuildpack) GetRequirements(requirementsFactory requirements.Factory, c *cli.Context) (reqs []requirements.Requirement, err error) {
if len(c.Args()) != 1 {
err = errors.New("Incorrect Usage")
cmd.ui.FailWithUsage(c)
return
}
loginReq := requirementsFactory.NewLoginRequirement()
reqs = []requirements.Requirement{
loginReq,
}
return
}
func (cmd *DeleteBuildpack) Run(c *cli.Context) {
buildpackName := c.Args()[0]
force := c.Bool("f")
if !force {
answer := cmd.ui.ConfirmDelete("buildpack", buildpackName)
if !answer {
return
}
}
cmd.ui.Say("Deleting buildpack %s...", terminal.EntityNameColor(buildpackName))
buildpack, apiErr := cmd.buildpackRepo.FindByName(buildpackName)
switch apiErr.(type) {
case nil: //do nothing
case *errors.ModelNotFoundError:
cmd.ui.Ok()
cmd.ui.Warn("Buildpack %s does not exist.", buildpackName)
return
default:
cmd.ui.Failed(apiErr.Error())
return
}
apiErr = cmd.buildpackRepo.Delete(buildpack.Guid)
if apiErr != nil {
cmd.ui.Failed("Error deleting buildpack %s\n%s", terminal.EntityNameColor(buildpack.Name), apiErr.Error())
return
}
cmd.ui.Ok()
}