From 7d477d692b68a2be86ec66846fe23b2cfb15d3f0 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Tue, 16 Jan 2018 22:59:43 +0100
Subject: MacOS: rely on OSXFuse to create mountpoint below /Volumes

OSXFuse automatically creates the mountpoint if it is
below /Volumes because this would require root permissions
which the user might not have.

Reported at https://github.com/rfjakob/gocryptfs/issues/194
---
 checkdir.go | 3 ++-
 mount.go    | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/checkdir.go b/checkdir.go
index 6f7f75d..63dfef0 100644
--- a/checkdir.go
+++ b/checkdir.go
@@ -6,7 +6,8 @@ import (
 	"os"
 )
 
-// checkDirEmpty - check if "dir" exists and is an empty directory
+// checkDirEmpty - check if "dir" exists and is an empty directory.
+// Returns an *os.PathError if Stat() on the path fails.
 func checkDirEmpty(dir string) error {
 	err := checkDir(dir)
 	if err != nil {
diff --git a/mount.go b/mount.go
index c3fda80..6ee7c36 100644
--- a/mount.go
+++ b/mount.go
@@ -58,6 +58,12 @@ func doMount(args *argContainer) int {
 		err = checkDir(args.mountpoint)
 	} else {
 		err = checkDirEmpty(args.mountpoint)
+		// OSXFuse will create the mountpoint for us if it is below /Volumes/
+		if runtime.GOOS == "darwin" && os.IsNotExist(err) && strings.HasPrefix(args.mountpoint, "/Volumes/") {
+			tlog.Info.Printf("Mountpoint %q does not exist, but should be created by OSXFuse",
+				args.mountpoint)
+			err = nil
+		}
 	}
 	if err != nil {
 		tlog.Fatal.Printf("Invalid mountpoint: %v", err)
-- 
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