-
Notifications
You must be signed in to change notification settings - Fork 132
/
run_help_linux.go
79 lines (68 loc) · 2.22 KB
/
run_help_linux.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
// Copyright (c) Contributors to the Apptainer project, established as
// Apptainer a Series of LF Projects LLC.
// For website terms of use, trademark policy, privacy policy and other
// project policies see https://lfprojects.org/policies
// Copyright (c) 2020, Control Command Inc. All rights reserved.
// Copyright (c) 2018-2020, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package cli
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"github.com/apptainer/apptainer/docs"
"github.com/apptainer/apptainer/internal/pkg/buildcfg"
"github.com/apptainer/apptainer/pkg/cmdline"
"github.com/apptainer/apptainer/pkg/sylog"
"github.com/spf13/cobra"
)
// --app
var runHelpAppNameFlag = cmdline.Flag{
ID: "runHelpAppNameFlag",
Value: &AppName,
DefaultValue: "",
Name: "app",
Usage: "show the help for an app",
}
func init() {
addCmdInit(func(cmdManager *cmdline.CommandManager) {
cmdManager.RegisterCmd(RunHelpCmd)
cmdManager.RegisterFlagForCmd(&runHelpAppNameFlag, RunHelpCmd)
})
}
// RunHelpCmd apptainer run-help <image>
var RunHelpCmd = &cobra.Command{
DisableFlagsInUseLine: true,
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
// Sanity check
if _, err := os.Stat(args[0]); err != nil {
sylog.Fatalf("container not found: %s", err)
}
cmdArgs := []string{"inspect", "--helpfile"}
if AppName != "" {
sylog.Debugf("App specified. Looking for help section of %s", AppName)
cmdArgs = append(cmdArgs, "--app", AppName)
}
cmdArgs = append(cmdArgs, args[0])
execCmd := exec.Command(filepath.Join(buildcfg.BINDIR, "apptainer"), cmdArgs...)
execCmd.Stderr = os.Stderr
execCmd.Env = []string{}
out, err := execCmd.Output()
if err != nil {
sylog.Fatalf("While getting run-help: %s", err)
}
if len(out) == 0 {
fmt.Println("No help sections were defined for this image")
} else {
fmt.Printf("%s", string(out))
}
},
Use: docs.RunHelpUse,
Short: docs.RunHelpShort,
Long: docs.RunHelpLong,
Example: docs.RunHelpExample,
}