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Work around a bug in unionfs

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Unionfs cannot delete directories that contain open deleted files.
This broke a Nix test.

http://hydra.nixos.org/build/3843354
This commit is contained in:
Eelco Dolstra 2013-01-22 18:16:56 +01:00
parent ca4f93d3ae
commit 434260c772
1 changed files with 8 additions and 2 deletions
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10
modules/virtualisation/qemu-vm.nix
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@ -293,7 +293,7 @@ in
mkdir /unionfs-chroot/rw-store
mount -t tmpfs -o "mode=755" none /unionfs-chroot/rw-store
unionfs -o allow_other,cow,nonempty,chroot=/unionfs-chroot,max_files=32768 /rw-store=RW:/ro-store=RO $targetRoot/nix/store
unionfs -o allow_other,cow,nonempty,chroot=/unionfs-chroot,max_files=32768,hide_meta_files /rw-store=RW:/ro-store=RO $targetRoot/nix/store
''}
'';
@ -313,7 +313,13 @@ in
)
'';
virtualisation.pathsInNixDB = [ config.system.build.toplevel ];
virtualisation.pathsInNixDB =
[ config.system.build.toplevel
# This path from the initrd must be registered as valid because
# unionfs uses it from the target Nix store (?). FIXME: get
# unionfs to use the path from the Nix store instead.
config.system.build.extraUtils
];
virtualisation.qemu.options = [ "-vga std" "-usbdevice tablet" ];