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fix infinite recursion caused by the unnecessary inspection of options + fix is parent of mount point check (#51541)

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msteen 2018-12-24 14:05:55 +01:00 committed by zimbatm
parent d3733053dd
commit 8d217ede58
1 changed files with 2 additions and 3 deletions
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5
nixos/lib/utils.nix
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@ -7,9 +7,8 @@ rec {
|| elem fs.mountPoint [ "/" "/nix" "/nix/store" "/var" "/var/log" "/var/lib" "/etc" ];
# Check whenever `b` depends on `a` as a fileSystem
# FIXME: it's incorrect to simply use hasPrefix here: "/dev/a" is not a parent of "/dev/ab"
fsBefore = a: b: ((any (x: elem x [ "bind" "move" ]) b.options) && (a.mountPoint == b.device))
|| (hasPrefix a.mountPoint b.mountPoint);
fsBefore = a: b: a.mountPoint == b.device
|| hasPrefix "${a.mountPoint}${optionalString (!(hasSuffix "/" a.mountPoint)) "/"}" b.mountPoint;
# Escape a path according to the systemd rules, e.g. /dev/xyzzy
# becomes dev-xyzzy. FIXME: slow.