Mount fix

[ezrizhu]

If there are other real-filesystem mounts in the filesystem, we want to mount them into overlayfs aswell.

#38

[mgree]

Can we a add a few tests of this to CI before we commit?

[ezrizhu]

On Sat Jun 24, 2023 at 3:21 PM EDT, Michael Greenberg wrote: Can we a add a few tests of this to CI before we commit?

I think that might be a bit out of reach for the current Github Actions setup, as it runs into #19. ``` ***@***.***:~/work/actions-playground/actions-playground$ sudo mount --bind mountsrc mounttgt ***@***.***:~/work/actions-playground/actions-playground$ ls mountsrc mounttgt try ***@***.***:~/work/actions-playground/actions-playground$ ./try/try echo hi Warning: Failed mounting /boot as an overlay, see /tmp/tmp.ISaXcpeL6y Warning: Failed mounting /home as an overlay, see /tmp/tmp.ISaXcpeL6y Warning: Failed mounting /snap as an overlay, see /tmp/tmp.ISaXcpeL6y /tmp/tmp.bEMRUCVytx: line 4: cd: /home/runner/work/actions-playground/actions-playground: No such file or directory ``` dmsg shows ``` [ 485.692015] overlayfs: failed to clone lowerpath ```

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-- Eric

[angelhof]

Great work! Let's add an issue to investigate mounts in mounts.