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buildpacks.go
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/
buildpacks.go
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package buildpack
import (
"errors"
"strconv"
"code.cloudfoundry.org/cli/cf/flags"
. "code.cloudfoundry.org/cli/cf/i18n"
"code.cloudfoundry.org/cli/cf/api"
"code.cloudfoundry.org/cli/cf/commandregistry"
"code.cloudfoundry.org/cli/cf/models"
"code.cloudfoundry.org/cli/cf/requirements"
"code.cloudfoundry.org/cli/cf/terminal"
)
type ListBuildpacks struct {
ui terminal.UI
buildpackRepo api.BuildpackRepository
}
func init() {
commandregistry.Register(&ListBuildpacks{})
}
func (cmd *ListBuildpacks) MetaData() commandregistry.CommandMetadata {
return commandregistry.CommandMetadata{
Name: "buildpacks",
Description: T("List all buildpacks"),
Usage: []string{
T("CF_NAME buildpacks"),
},
}
}
func (cmd *ListBuildpacks) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
usageReq := requirements.NewUsageRequirement(commandregistry.CLICommandUsagePresenter(cmd),
T("No argument required"),
func() bool {
return len(fc.Args()) != 0
},
)
reqs := []requirements.Requirement{
usageReq,
requirementsFactory.NewLoginRequirement(),
}
return reqs, nil
}
func (cmd *ListBuildpacks) SetDependency(deps commandregistry.Dependency, pluginCall bool) commandregistry.Command {
cmd.ui = deps.UI
cmd.buildpackRepo = deps.RepoLocator.GetBuildpackRepository()
return cmd
}
func (cmd *ListBuildpacks) Execute(c flags.FlagContext) error {
cmd.ui.Say(T("Getting buildpacks...\n"))
table := cmd.ui.Table([]string{"buildpack", T("position"), T("enabled"), T("locked"), T("filename")})
noBuildpacks := true
apiErr := cmd.buildpackRepo.ListBuildpacks(func(buildpack models.Buildpack) bool {
position := ""
if buildpack.Position != nil {
position = strconv.Itoa(*buildpack.Position)
}
enabled := ""
if buildpack.Enabled != nil {
enabled = strconv.FormatBool(*buildpack.Enabled)
}
locked := ""
if buildpack.Locked != nil {
locked = strconv.FormatBool(*buildpack.Locked)
}
table.Add(
buildpack.Name,
position,
enabled,
locked,
buildpack.Filename,
)
noBuildpacks = false
return true
})
err := table.Print()
if err != nil {
return err
}
if apiErr != nil {
return errors.New(T("Failed fetching buildpacks.\n{{.Error}}", map[string]interface{}{"Error": apiErr.Error()}))
}
if noBuildpacks {
cmd.ui.Say(T("No buildpacks found"))
}
return nil
}