1 package jsonnetx
2
3 import (
4 "fmt"
5 "io/ioutil"
6 "os"
7
8 "github.com/bmatcuk/doublestar/v2"
9 "github.com/google/go-jsonnet"
10 "github.com/google/go-jsonnet/linter"
11 "github.com/spf13/cobra"
12
13 "github.com/ory/x/flagx"
14
15 "github.com/ory/x/cmdx"
16 )
17
18
19 var LintCommand = &cobra.Command{
20 Use: "lint path/to/files/*.jsonnet [more/files.jsonnet, [supports/**/{foo,bar}.jsonnet]]",
21 Long: `Lints JSONNet files using the official JSONNet linter and exits with a status code of 1 when issues are detected.
22
23 ` + GlobHelp,
24 Args: cobra.MinimumNArgs(1),
25 Run: func(cmd *cobra.Command, args []string) {
26 verbose := flagx.MustGetBool(cmd, "verbose")
27 for _, pattern := range args {
28 files, err := doublestar.Glob(pattern)
29 cmdx.Must(err, `Glob path "%s" is not valid: %s`, pattern, err)
30
31 for _, file := range files {
32 if fi, err := os.Stat(file); err != nil {
33 cmdx.Must(err, "Unable to stat file %s: %s", file, err)
34 } else if fi.IsDir() {
35 continue
36 }
37
38 if verbose {
39 fmt.Printf("Processing file: %s\n", file)
40 }
41
42 content, err := ioutil.ReadFile(file)
43 cmdx.Must(err, `Unable to read file "%s" because: %s`, file, err)
44
45 node, err := jsonnet.SnippetToAST(file, string(content))
46 cmdx.Must(err, `Unable to parse JSONNet source "%s" because: %s`, file, err)
47
48 ew := &linter.ErrorWriter{Writer: os.Stderr}
49 linter.Lint(node, ew)
50 if ew.ErrorsFound {
51 _, _ = fmt.Fprintf(os.Stderr, "Linter found issues.")
52 os.Exit(1)
53 }
54 }
55 }
56 },
57 }
58
59 func init() {
60 LintCommand.Flags().Bool("verbose", false, "Verbose output.")
61 }
62
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