From fe954c72a13f13acb877041e0a26064670e5670d Mon Sep 17 00:00:00 2001
From: zhijian <djx@juicedata.io>
Date: Tue, 12 Mar 2024 09:46:34 +0800
Subject: [PATCH] support `mount.juicefs` graceful upgrade (#4487)

---
 cmd/main.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cmd/main.go b/cmd/main.go
index daa11d798c8a..954f5dccc013 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -106,7 +106,14 @@ func Main(args []string) error {
 }
 
 func calledViaMount(args []string) bool {
-	return strings.HasSuffix(args[0], "/mount.juicefs")
+	if os.Getenv("CALL_VIA_MOUNT") != "" {
+		return true
+	}
+	if strings.HasSuffix(args[0], "/mount.juicefs") {
+		os.Setenv("CALL_VIA_MOUNT", "1")
+		return true
+	}
+	return false
 }
 
 func handleSysMountArgs(args []string) ([]string, error) {