bug#29674: Ceph creates Btrfs subvolumes on Btrfs during tests.

[Ludovic Courtès]

Rutger Helling <address@hidden> skribis:

> Actually, I just tested it with the following:
>
> $ cd /tmp
> $ sudo -s -u guixbuilder01
> bash-4.4$ guix environment -C --ad-hoc btrfs-progs
> address@hidden /tmp [env]#  btrfs subvol create test-snapshot
> Create subvolume './test-snapshot'
> address@hidden /tmp [env]#  btrfs subvol del test-snapshot
> Delete subvolume (no-commit): '/tmp/test-snapshot'
> ERROR: cannot delete '/tmp/test-snapshot': Operation not permitted
> address@hidden /tmp [env]# exit
> exit
> bash-4.4$ guix environment -C --ad-hoc coreutils
> address@hidden /tmp [env]#  rm -rfv test-snapshot/
> rm: cannot remove 'test-snapshot/': Operation not permitted
> address@hidden /tmp [env]#  rmdir  -v test-snapshot/
> rmdir: removing directory, 'test-snapshot/'
> rmdir: failed to remove 'test-snapshot/': Operation not permitted

So does guix-daemon systematically leave /tmp/guix-build-ceph* behind it?

Ludo’.