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annotate cmd/sievemgr/main.go @ 19:854167f55839

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Fix SRV record lookup Do not use a configuration file default value for port in order to detect when it is not set by the user so that SRV record lookup is triggered. Depend on version 0.8.1 of go.guido-berhoerster.org/managesieve which contains an additional necessary fix.
author Guido Berhoerster <guido+sievemgr@berhoerster.name>
date Wed, 03 Feb 2021 13:34:44 +0100
parents 44c07eb8ef08
children fc5e6970a0d5
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1
0cd5a454dfb4 Add README file
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1 // Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name>
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2 //
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3 // Permission is hereby granted, free of charge, to any person obtaining
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4 // a copy of this software and associated documentation files (the
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5 // "Software"), to deal in the Software without restriction, including
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6 // without limitation the rights to use, copy, modify, merge, publish,
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7 // distribute, sublicense, and/or sell copies of the Software, and to
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8 // permit persons to whom the Software is furnished to do so, subject to
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9 // the following conditions:
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10 //
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11 // The above copyright notice and this permission notice shall be included
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12 // in all copies or substantial portions of the Software.
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13 //
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14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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17 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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18 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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19 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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20 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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21
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22 //go:generate go run gendocstr.go . code.guido-berhoerster.org/go/sievemgr docText docstr.go
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23
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24 package main
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25
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26 import (
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27 "errors"
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28 "flag"
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29 "fmt"
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30 "os"
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31
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32 "go.guido-berhoerster.org/sievemgr/cmd/sievemgr/internal/config"
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33 )
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34
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35 const (
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36 exitSuccess = iota
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37 exitFailure
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38 exitUsage
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39 )
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40
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41 type usageError string
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42
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43 func (e usageError) Error() string {
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44 return string(e)
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45 }
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46
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47 // command-line flags
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48 var (
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49 confFilename string
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50 acctName string
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51 )
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52
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53 var conf config.Configuration
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54
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55 func init() {
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56 var err error
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57 confFilename, err = config.DefaultFilename()
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58 if err != nil {
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59 fmt.Fprintln(flag.CommandLine.Output(), err)
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60 os.Exit(exitFailure)
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61 }
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62 }
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63
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64 var cmds = []*command{
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65 cmdList,
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66 cmdPut,
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67 cmdGet,
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68 cmdActivate,
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69 cmdDeactivate,
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70 cmdDelete,
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71 cmdInfo,
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72 cmdCheck,
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73 cmdCheckSpace,
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74 cmdRename,
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75 cmdEdit,
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76 cmdMan,
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77 }
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78
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79 func usage() {
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80 fmt.Fprintf(flag.CommandLine.Output(),
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81 "usage:\n %s [options] [subcommand [options] [arguments]]\n",
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82 flag.CommandLine.Name())
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83 fmt.Fprintln(flag.CommandLine.Output(), "subcommands:")
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84 for _, cmd := range cmds {
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85 fmt.Fprintf(flag.CommandLine.Output(), " %s\n", cmd.Name())
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86 }
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87 fmt.Fprintln(flag.CommandLine.Output(), "global options:")
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88 flag.PrintDefaults()
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89 }
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90
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91 func main() {
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92 flag.Usage = usage
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93 flag.StringVar(&confFilename, "f", confFilename,
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94 "Set the name of the configuration file")
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95 flag.Parse()
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96 if flag.NArg() == 0 {
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97 fmt.Fprintln(flag.CommandLine.Output(), "missing subcommand")
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98 usage()
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99 os.Exit(exitUsage)
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100 }
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101
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102 if err := config.ParseFile(confFilename, &conf); err != nil {
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103 fmt.Fprintln(flag.CommandLine.Output(), err)
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104 os.Exit(exitFailure)
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105 }
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106
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107 name := flag.Arg(0)
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108 var cmd *command
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109 for _, c := range cmds {
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110 if c.Name() == name {
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111 cmd = c
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112 break
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113 }
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114 }
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115 if cmd == nil {
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116 fmt.Fprintf(flag.CommandLine.Output(),
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117 "unknown subcommand %q\n", name)
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118 usage()
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119 os.Exit(exitUsage)
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120 }
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121
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122 cmd.Flag.Init(cmd.Name(), flag.ExitOnError)
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123 cmd.Flag.Usage = cmd.Usage
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124 args := flag.Args()
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125 if err := cmd.Flag.Parse(args[1:]); err != nil {
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126 fmt.Fprintln(flag.CommandLine.Output(), err)
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127 os.Exit(exitFailure)
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128 }
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129
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130 if err := cmd.Run(cmd, cmd.Flag.Args()); err != nil {
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131 fmt.Fprintln(flag.CommandLine.Output(), err)
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132
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133 var uerr usageError
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134 if errors.As(err, &uerr) {
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135 cmd.Usage()
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136 os.Exit(exitUsage)
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137 }
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138
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139 os.Exit(exitFailure)
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140 }
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141 }