ntfy/cmd/app.go
2022-05-09 16:22:52 -04:00

50 lines
1.5 KiB
Go

// Package cmd provides the ntfy CLI application
package cmd
import (
"fmt"
"github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"
"heckel.io/ntfy/util"
"os"
)
const (
categoryClient = "Client commands"
categoryServer = "Server commands"
)
var commands = make([]*cli.Command, 0)
// New creates a new CLI application
func New() *cli.App {
return &cli.App{
Name: "ntfy",
Usage: "Simple pub-sub notification service",
UsageText: "ntfy [OPTION..]",
HideVersion: true,
UseShortOptionHandling: true,
Reader: os.Stdin,
Writer: os.Stdout,
ErrWriter: os.Stderr,
Commands: commands,
}
}
// initConfigFileInputSource is like altsrc.InitInputSourceWithContext and altsrc.NewYamlSourceFromFlagFunc, but checks
// if the config flag is exists and only loads it if it does. If the flag is set and the file exists, it fails.
func initConfigFileInputSource(configFlag string, flags []cli.Flag) cli.BeforeFunc {
return func(context *cli.Context) error {
configFile := context.String(configFlag)
if context.IsSet(configFlag) && !util.FileExists(configFile) {
return fmt.Errorf("config file %s does not exist", configFile)
} else if !context.IsSet(configFlag) && !util.FileExists(configFile) {
return nil
}
inputSource, err := altsrc.NewYamlSourceFromFile(configFile)
if err != nil {
return err
}
return altsrc.ApplyInputSourceValues(context, inputSource, flags)
}
}