mirror of https://github.com/therootcompany/dotenv
A cross-platform tool to load a .env and run a command.
https://webinstall.dev/dotenv
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80 lines
1.3 KiB
80 lines
1.3 KiB
package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/joho/godotenv"
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)
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var (
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name = "dotenv"
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version = "0.0.0"
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date = "0001-01-01T00:00:00Z"
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commit = "0000000"
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)
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func ver() string {
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return fmt.Sprintf("%s v%s (%s) %s", name, version, commit[:7], date)
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}
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func usage() {
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fmt.Fprintf(os.Stderr, "%s\n", ver())
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fmt.Fprintf(os.Stderr, `
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Usage:
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%s [-f .env.alternate] -- <command> [arguments...]
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`, name)
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flag.PrintDefaults()
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fmt.Fprintf(os.Stderr, `
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Example:
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%s -f .env -- caddy run --config Caddyfile
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`, name)
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//See '%s --help' for details."
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}
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func main() {
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if len(os.Args) > 1 {
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if "version" == strings.TrimLeft(os.Args[1], "-") || "-V" == os.Args[1] {
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fmt.Println(ver())
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os.Exit(0)
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return
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}
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}
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_ = flag.Bool("version", false, "print version and exit")
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help := flag.Bool("help", false, "print usage and exit")
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envList := flag.String("f", ".env", "path to .env file")
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flag.Parse()
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if *help {
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usage()
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os.Exit(0)
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return
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}
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envs := strings.Fields(
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strings.ReplaceAll(*envList, ",", " "),
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)
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args := flag.Args()
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if len(args) < 1 {
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usage()
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os.Exit(1)
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return
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}
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cmd := args[0]
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cmdArgs := args[1:]
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if err := godotenv.Exec(envs, cmd, cmdArgs); nil != err {
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fmt.Fprintf(os.Stderr, "error executing %q: %v\n", strings.Join(args, " "), err)
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os.Exit(1)
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return
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}
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}
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