我正在尝试将 FUSE 文件系统实现作为 snap 包分发，但无法使其工作。即使使用 --devmode 选项安装 snap，安装也会无声无息地失败。
任何能够解决此问题的帮助都将不胜感激！
sshfs 的复现步骤：
snapcraft.yaml 的内容：
name: sshfs
version: 1
summary: Mount a remote filesystem over ssh
description: Mount a remote filesystem over ssh
confinement: devmode
apps:
sshfs:
command: usr/bin/sshfs
plugs:
- home
- network
- mount-observe
parts:
env:
plugin: nil
stage-packages:
- sshfs
尝试让它工作：
x@VirtualBox:~/snaps/sshfs$ snapcraft prime
...
x@VirtualBox:~/snaps/sshfs$ cd prime/bin
x@VirtualBox:~/snaps/sshfs/prime/bin$ sudo chown root:root fusermount
[sudo] password for x:
x@VirtualBox:~/snaps/sshfs/prime/bin$ sudo chmod +s fusermount
x@VirtualBox:~/snaps/sshfs/prime/bin$ cd ../..
x@VirtualBox:~/snaps/sshfs$ snapcraft
...
x@VirtualBox:~/snaps/sshfs$ ls
parts prime snapcraft.yaml sshfs_1_amd64.snap stage
x@VirtualBox:~/snaps/sshfs$ sudo snap install sshfs_1_amd64.snap --devmode
64.75 MB / 64.75 MB [======================================] 100.00 % 5.83 MB/s
Name Version Rev Developer Notes
sshfs 1 x1 devmode
x@VirtualBox:~/Downloads$ cd ~
x@VirtualBox:~$ mkdir mountpnt
x@VirtualBox:~$ which sshfs
/snap/bin/sshfs
x@VirtualBox:~$ sshfs <some remote>: mountpnt
x@VirtualBox:~$ ls mountpnt
# Nothing here!
x@VirtualBox:~$ mount
...
/var/lib/snapd/snaps/ubuntu-core_122.snap on /snap/ubuntu-core/122 type squashfs (ro,relatime)
/var/lib/snapd/snaps/sshfs_x1.snap on /snap/sshfs/x1 type squashfs (ro,relatime)
# Remote is not mounted!