Mercurial > projects > managesieve
view cmd/sievemgr/main.go @ 0:6369453d47a3
Initial revision
author | Guido Berhoerster <guido+managesieve@berhoerster.name> |
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date | Thu, 15 Oct 2020 09:11:05 +0200 |
parents | |
children | eec31eb2d21a |
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// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name> // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. package main import ( "errors" "flag" "fmt" "os" ) const ( exitSuccess = iota exitFailure exitUsage ) type usageError string func (e usageError) Error() string { return string(e) } var ( skipCertVerify bool username string passwordFilename string ) var cmds = []*command{ cmdList, cmdPut, cmdGet, cmdActivate, cmdDeactivate, cmdDelete, } func usage() { fmt.Fprintf(flag.CommandLine.Output(), "usage:\n %s [options] [subcommand [options] [arguments]]\n", flag.CommandLine.Name()) fmt.Fprintln(flag.CommandLine.Output(), "subcommands:") for _, cmd := range cmds { fmt.Fprintf(flag.CommandLine.Output(), " %s\n", cmd.Name()) } fmt.Fprintln(flag.CommandLine.Output(), "global options:") flag.PrintDefaults() } func main() { flag.Usage = usage flag.BoolVar(&skipCertVerify, "I", false, "Skip TLS certificate verification") flag.Parse() if flag.NArg() == 0 { fmt.Fprintln(flag.CommandLine.Output(), "missing subcommand") usage() os.Exit(exitUsage) } name := flag.Arg(0) var cmd *command for _, c := range cmds { if c.Name() == name { cmd = c break } } if cmd == nil { fmt.Fprintf(flag.CommandLine.Output(), "unknown subcommand %q\n", name) usage() os.Exit(exitUsage) } cmd.Flag.Init(cmd.Name(), flag.ExitOnError) cmd.Flag.Usage = cmd.Usage args := flag.Args() if err := cmd.Flag.Parse(args[1:]); err != nil { fmt.Fprintln(flag.CommandLine.Output(), err) os.Exit(exitFailure) } if err := cmd.Run(cmd, cmd.Flag.Args()); err != nil { fmt.Fprintln(flag.CommandLine.Output(), err) var uerr usageError if errors.As(err, &uerr) { cmd.Usage() os.Exit(exitUsage) } os.Exit(exitFailure) } }