1package main
2
3import (
4	"flag"
5	"fmt"
6	"log"
7
8	"strings"
9
10	"github.com/joho/godotenv"
11)
12
13func main() {
14	var showHelp bool
15	flag.BoolVar(&showHelp, "h", false, "show help")
16	var rawEnvFilenames string
17	flag.StringVar(&rawEnvFilenames, "f", "", "comma separated paths to .env files")
18
19	flag.Parse()
20
21	usage := `
22Run a process with a env setup from a .env file
23
24godotenv [-f ENV_FILE_PATHS] COMMAND_ARGS
25
26ENV_FILE_PATHS: comma separated paths to .env files
27COMMAND_ARGS: command and args you want to run
28
29example
30  godotenv -f /path/to/something/.env,/another/path/.env fortune
31`
32	// if no args or -h flag
33	// print usage and return
34	args := flag.Args()
35	if showHelp || len(args) == 0 {
36		fmt.Println(usage)
37		return
38	}
39
40	// load env
41	var envFilenames []string
42	if rawEnvFilenames != "" {
43		envFilenames = strings.Split(rawEnvFilenames, ",")
44	}
45
46	// take rest of args and "exec" them
47	cmd := args[0]
48	cmdArgs := args[1:]
49
50	err := godotenv.Exec(envFilenames, cmd, cmdArgs)
51	if err != nil {
52		log.Fatal(err)
53	}
54}
55