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authorJakob Unterwurzacher2016-10-09 18:17:04 +0200
committerJakob Unterwurzacher2016-10-09 18:18:14 +0200
commit495479dc66efae688895aed8902d00f0350cdea7 (patch)
tree6cf5c3dd9bbbb0fe029732766c86d5283f2e7790 /main.go
parentd3b78fea959dfb0e1c1f5079ae516303bdb9a0f8 (diff)
main: friendlier error message on wrong number of arguments
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
Diffstat (limited to 'main.go')
-rw-r--r--main.go11
1 files changed, 10 insertions, 1 deletions
diff --git a/main.go b/main.go
index 5ae8146..2033e23 100644
--- a/main.go
+++ b/main.go
@@ -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))
}