56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"github.com/BurntSushi/toml"
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"github.com/alecthomas/kingpin/v2"
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termutil "github.com/andrew-d/go-termutil"
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)
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var (
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inFile = kingpin.Arg("file", "TOML file.").String()
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quiet = kingpin.Flag("quiet", "Don't output on success.").Short('q').Bool()
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)
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func main() {
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// support -h for --help
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kingpin.CommandLine.HelpFlag.Short('h')
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kingpin.Parse()
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data, err := readPipeOrFile(*inFile)
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if err != nil {
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fmt.Println("error:", err)
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os.Exit(1)
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}
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filename := "-"
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if *inFile != "" {
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filename = *inFile
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}
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var f interface{}
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_, err = toml.Decode(string(data), &f)
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if err != nil {
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fmt.Println("ERROR:", filename, err)
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os.Exit(1)
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}
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if !*quiet {
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fmt.Println("OK:", filename)
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}
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}
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// readPipeOrFile reads from stdin if pipe exists, else from provided file
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func readPipeOrFile(fileName string) ([]byte, error) {
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if !termutil.Isatty(os.Stdin.Fd()) {
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return ioutil.ReadAll(os.Stdin)
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}
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if fileName == "" {
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return nil, fmt.Errorf("no piped data and no file provided")
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}
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return ioutil.ReadFile(fileName)
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}
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