introduce config --quiet
package compose
import (
+ "bufio"
"context"
"fmt"
+ "io"
+ "os"
"github.com/docker/compose-cli/api/compose"
@@ -31,6 +34,7 @@ type convertOptions struct {
*projectOptions
Format string
Output string
+ quiet bool
}
var addFlagsFuncs []func(cmd *cobra.Command, opts *convertOptions)
@@ -39,22 +43,31 @@ func convertCommand(p *projectOptions) *cobra.Command {
opts := convertOptions{
projectOptions: p,
}
- convertCmd := &cobra.Command{
+ cmd := &cobra.Command{
Aliases: []string{"config"},
Use: "convert SERVICES",
Short: "Converts the compose file to platform's canonical format",
RunE: func(cmd *cobra.Command, args []string) error {
+ if opts.quiet {
+ devnull, err := os.Open(os.DevNull)
+ if err != nil {
+ return err
+ }
+ os.Stdout = devnull
+ }
+ opts.Output = os.DevNull
return runConvert(cmd.Context(), opts, args)
},
}
- flags := convertCmd.Flags()
+ flags := cmd.Flags()
flags.StringVar(&opts.Format, "format", "yaml", "Format the output. Values: [yaml | json]")
+ flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only validate the configuration, don't print anything.")
// add flags for hidden backends
for _, f := range addFlagsFuncs {
- f(convertCmd, &opts)
+ f(cmd, &opts)
}
- return convertCmd
+ return cmd
}
func runConvert(ctx context.Context, opts convertOptions, services []string) error {
@@ -76,9 +89,14 @@ func runConvert(ctx context.Context, opts convertOptions, services []string) err
if err != nil {
return err
}
+ var out io.Writer = os.Stdout
if opts.Output != "" {
- fmt.Print("model saved to ")
+ file, err := os.Create(opts.Output)
+ if err != nil {
+ return err
}
- fmt.Println(string(json))
- return nil
+ out = bufio.NewWriter(file)
+ }
+ _, err = fmt.Fprint(out, string(json))
+ return err
}
