Mercurial > projects > sievemgr

annotate cmd/sievemgr/main.go @ 4:f925f15d8ce5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add check subcommand for checking the script validity
author Guido Berhoerster <guido+sievemgr@berhoerster.name>
date Tue, 27 Oct 2020 19:17:56 +0100
parents 0cd5a454dfb4
children 4dff4c3f0fbb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
0cd5a454dfb4 Add README file
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents: 0
diff changeset
1 // Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name>
0
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
2 //
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
3 // Permission is hereby granted, free of charge, to any person obtaining
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
4 // a copy of this software and associated documentation files (the
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
5 // "Software"), to deal in the Software without restriction, including
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
6 // without limitation the rights to use, copy, modify, merge, publish,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
7 // distribute, sublicense, and/or sell copies of the Software, and to
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
8 // permit persons to whom the Software is furnished to do so, subject to
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
9 // the following conditions:
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
10 //
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
11 // The above copyright notice and this permission notice shall be included
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
12 // in all copies or substantial portions of the Software.
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
13 //
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
17 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
18 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
19 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
20 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
21
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
22 package main
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
23
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
24 import (
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
25 "errors"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
26 "flag"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
27 "fmt"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
28 "os"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
29 )
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
30
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
31 const (
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
32 exitSuccess = iota
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
33 exitFailure
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
34 exitUsage
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
35 )
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
36
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
37 type usageError string
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
38
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
39 func (e usageError) Error() string {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
40 return string(e)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
41 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
42
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
43 var (
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
44 skipCertVerify bool
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
45 username string
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
46 passwordFilename string
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
47 )
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
48
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
49 var cmds = []*command{
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
50 cmdList,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
51 cmdPut,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
52 cmdGet,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
53 cmdActivate,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
54 cmdDeactivate,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
55 cmdDelete,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
56 cmdInfo,
4
f925f15d8ce5 Add check subcommand for checking the script validity
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents: 1
diff changeset
57 cmdCheck,
0
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
58 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
59
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
60 func usage() {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
61 fmt.Fprintf(flag.CommandLine.Output(),
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
62 "usage:\n %s [options] [subcommand [options] [arguments]]\n",
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
63 flag.CommandLine.Name())
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
64 fmt.Fprintln(flag.CommandLine.Output(), "subcommands:")
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
65 for _, cmd := range cmds {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
66 fmt.Fprintf(flag.CommandLine.Output(), " %s\n", cmd.Name())
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
67 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
68 fmt.Fprintln(flag.CommandLine.Output(), "global options:")
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
69 flag.PrintDefaults()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
70 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
71
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
72 func main() {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
73 flag.Usage = usage
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
74 flag.BoolVar(&skipCertVerify, "I", false,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
75 "Skip TLS certificate verification")
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
76 flag.Parse()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
77 if flag.NArg() == 0 {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
78 fmt.Fprintln(flag.CommandLine.Output(), "missing subcommand")
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
79 usage()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
80 os.Exit(exitUsage)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
81 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
82
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
83 name := flag.Arg(0)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
84 var cmd *command
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
85 for _, c := range cmds {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
86 if c.Name() == name {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
87 cmd = c
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
88 break
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
89 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
90 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
91 if cmd == nil {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
92 fmt.Fprintf(flag.CommandLine.Output(),
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
93 "unknown subcommand %q\n", name)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
94 usage()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
95 os.Exit(exitUsage)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
96 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
97
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
98 cmd.Flag.Init(cmd.Name(), flag.ExitOnError)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
99 cmd.Flag.Usage = cmd.Usage
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
100 args := flag.Args()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
101 if err := cmd.Flag.Parse(args[1:]); err != nil {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
102 fmt.Fprintln(flag.CommandLine.Output(), err)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
103 os.Exit(exitFailure)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
104 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
105
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
106 if err := cmd.Run(cmd, cmd.Flag.Args()); err != nil {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
107 fmt.Fprintln(flag.CommandLine.Output(), err)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
108
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
109 var uerr usageError
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
110 if errors.As(err, &uerr) {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
111 cmd.Usage()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
112 os.Exit(exitUsage)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
113 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
114
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
115 os.Exit(exitFailure)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
116 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
117 }