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lint.go
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lint.go
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package jsonnet
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"github.com/google/go-jsonnet"
"github.com/google/go-jsonnet/linter"
"github.com/spf13/cobra"
"github.com/ory/x/cmdx"
)
func NewJsonnetLintCmd() *cobra.Command {
return &cobra.Command{
Use: "lint path/to/files/*.jsonnet [more/files.jsonnet, [supports/**/{foo,bar}.jsonnet]]",
Long: `Lints JSONNet files using the official JSONNet linter and exits with a status code of 1 when issues are detected.
` + GlobHelp,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
vm := jsonnet.MakeVM()
for _, pattern := range args {
files, err := filepath.Glob(pattern)
cmdx.Must(err, `Glob path "%s" is not valid: %s`, pattern, err)
for _, file := range files {
content, err := ioutil.ReadFile(file)
cmdx.Must(err, `Unable to read file "%s" because: %s`, file, err)
var outBuilder strings.Builder
errorsFound := linter.LintSnippet(vm, &outBuilder, file, string(content))
if errorsFound {
_, _ = fmt.Fprintf(os.Stderr, "Linter found issues.")
os.Exit(1)
}
}
}
},
}
}