package command import ( "fmt" "strings" "github.com/hashicorp/terraform/internal/tfdiags" ) // GetCommand is a Command implementation that takes a Terraform // configuration and downloads all the modules. type GetCommand struct { Meta } func (c *GetCommand) Run(args []string) int { var update bool args = c.Meta.process(args) cmdFlags := c.Meta.defaultFlagSet("get") cmdFlags.BoolVar(&update, "update", false, "update") cmdFlags.Usage = func() { c.Ui.Error(c.Help()) } if err := cmdFlags.Parse(args); err != nil { c.Ui.Error(fmt.Sprintf("Error parsing command-line flags: %s\n", err.Error())) return 1 } path, err := ModulePath(cmdFlags.Args()) if err != nil { c.Ui.Error(err.Error()) return 1 } path = c.normalizePath(path) diags := getModules(&c.Meta, path, update) c.showDiagnostics(diags) if diags.HasErrors() { return 1 } return 0 } func (c *GetCommand) Help() string { helpText := ` Usage: terraform [global options] get [options] PATH Downloads and installs modules needed for the configuration given by PATH. This recursively downloads all modules needed, such as modules imported by modules imported by the root and so on. If a module is already downloaded, it will not be redownloaded or checked for updates unless the -update flag is specified. Module installation also happens automatically by default as part of the "terraform init" command, so you should rarely need to run this command separately. Options: -update Check already-downloaded modules for available updates and install the newest versions available. -no-color Disable text coloring in the output. ` return strings.TrimSpace(helpText) } func (c *GetCommand) Synopsis() string { return "Install or upgrade remote Terraform modules" } func getModules(m *Meta, path string, upgrade bool) tfdiags.Diagnostics { hooks := uiModuleInstallHooks{ Ui: m.Ui, ShowLocalPaths: true, } return m.installModules(path, upgrade, hooks) }