hardcoresushi/libgocryptfs
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main: friendlier error message on wrong number of arguments

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Before:
	Usage: gocryptfs [OPTIONS] CIPHERDIR MOUNTPOINT

After:
	Wrong number of arguments (have 9, want 2). You passed: "-nosyslog" "." "asd" "-q" "ß" "asdf" "fg" "gh" "sdf" "asd fs\\dfg"
	Usage: gocryptfs [OPTIONS] CIPHERDIR MOUNTPOINT
This commit is contained in:
Jakob Unterwurzacher 2016-10-09 18:17:04 +02:00
parent d3b78fea95
commit 495479dc66
2 changed files with 10 additions and 5 deletions
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11
main.go
View File

@ -214,6 +214,15 @@ func main() {
}
changePassword(&args) // does not return
}
// Mount
// Default operation: mount.
if flagSet.NArg() != 2 {
prettyArgs := fmt.Sprintf("%q", os.Args[1:])
// Get rid of "[" and "]"
prettyArgs = prettyArgs[1 : len(prettyArgs)-1]
tlog.Info.Printf("Wrong number of arguments (have %d, want 2). You passed: %s",
flagSet.NArg(), prettyArgs)
tlog.Fatal.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT", tlog.ProgramName)
os.Exit(ErrExitUsage)
}
os.Exit(doMount(&args))
}

4
mount.go
View File

@ -26,10 +26,6 @@ import (
// Called from main.
func doMount(args *argContainer) int {
// Check mountpoint
if flagSet.NArg() != 2 {
tlog.Fatal.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT", tlog.ProgramName)
os.Exit(ErrExitUsage)
}
var err error
args.mountpoint, err = filepath.Abs(flagSet.Arg(1))
if err != nil {