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package main
import (
"fmt"
"github.com/containers/buildah"
"github.com/spf13/cobra"
)
var (
renameDescription = "\n Renames a local container."
renameCommand = &cobra.Command{
Use: "rename",
Short: "Rename a container",
Long: renameDescription,
RunE: renameCmd,
Example: `buildah rename containerName NewName
buildah rename containerID NewName`,
Args: cobra.ExactArgs(2),
}
)
func init() {
renameCommand.SetUsageTemplate(UsageTemplate())
rootCmd.AddCommand(renameCommand)
}
func renameCmd(c *cobra.Command, args []string) error {
var builder *buildah.Builder
name := args[0]
newName := args[1]
store, err := getStore(c)
if err != nil {
return err
}
builder, err = openBuilder(getContext(), store, name)
if err != nil {
return fmt.Errorf("reading build container %q: %w", name, err)
}
oldName := builder.Container
if oldName == newName {
return fmt.Errorf("renaming a container with the same name as its current name")
}
if build, err := openBuilder(getContext(), store, newName); err == nil {
return fmt.Errorf("the container name %q is already in use by container %q", newName, build.ContainerID)
}
err = store.SetNames(builder.ContainerID, []string{newName})
if err != nil {
return fmt.Errorf("renaming container %q to the name %q: %w", oldName, newName, err)
}
builder.Container = newName
return builder.Save()
}
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