From 9a8dfd98ef4038d743c88aa8de397a58a6b64dff Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Thu, 12 Aug 2021 19:19:50 +0200
Subject: main: accept magic /dev/fd/ mountpoint

https://github.com/rfjakob/gocryptfs/issues/590
---
 mount.go | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'mount.go')

diff --git a/mount.go b/mount.go
index ab4ad81..3f190d4 100644
--- a/mount.go
+++ b/mount.go
@@ -66,6 +66,11 @@ func doMount(args *argContainer) {
 	}
 	if args.nonempty {
 		err = isDir(args.mountpoint)
+	} else if strings.HasPrefix(args.mountpoint, "/dev/fd/") {
+		// Magic fuse fd syntax, do nothing and let go-fuse figure it out.
+		//
+		// See https://github.com/libfuse/libfuse/commit/64e11073b9347fcf9c6d1eea143763ba9e946f70
+		// and `drop_privileges` in `man mount.fuse3` for background.
 	} else {
 		err = isEmptyDir(args.mountpoint)
 		// OSXFuse will create the mountpoint for us ( https://github.com/rfjakob/gocryptfs/issues/194 )
-- 
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