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package main
// This software is licensed for under the Free Software Foundations's GPL v2, as retrieved
// from https://opensource.org/licenses/gpl-2.0.php (2021).
import (
"os"
"io"
"fmt"
"golang.flu0r1ne.net/zsu/cmd"
)
const (
VERSION = "0.0.1"
)
func printUsage(w io.Writer) {
fmt.Fprintf (w, "usage: %s command args ... \n", os.Args[0])
fmt.Fprintln(w, " help ")
fmt.Fprintln(w, " version ")
fmt.Fprintln(w, " list [-paths|-p] <reference> ")
fmt.Fprintln(w, " diff <reference> <snap-ish>..<snap-ish> ")
fmt.Fprintln(w, " cat <reference> <snap-ish> ")
}
func dieUsage() {
printUsage(os.Stderr)
os.Exit(1)
}
func main() {
if len(os.Args) < 2 {
dieUsage()
}
subcommand := os.Args[1]
subargs := os.Args[2:]
switch subcommand {
case "list":
cmd.List(subargs)
case "version":
fmt.Printf("%s\n", VERSION)
case "cat":
cmd.Cat(subargs)
case "diff":
cmd.Diff(subargs)
case "-h", "-help", "--help", "help":
printUsage(os.Stdout)
default:
fmt.Fprintf(os.Stderr, "unrecognized command %s\n", subcommand)
dieUsage()
}
}
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