bbjubjub2494/lix
0
0
Fork 0
forked from lix-project/lix
Code Pull requests Activity

Fall back to copyPath if link fails with EPERM

Browse source 
BeeGFS doesn't allow hard-links and returns EPERM, so we fall back
to copyPath. See https://github.com/NixOS/nix/issues/3748
This commit is contained in:
Rodrigo 2020-06-25 12:03:26 +02:00
parent 3c50e84387
commit 3a642187c3
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/libstore/build.cc
View file

@ -1950,8 +1950,11 @@ void linkOrCopy(const Path & from, const Path & to)
/* Hard-linking fails if we exceed the maximum link count on a
file (e.g. 32000 of ext3), which is quite possible after a
'nix-store --optimise'. FIXME: actually, why don't we just
bind-mount in this case? */
if (errno != EMLINK)
bind-mount in this case?
It can also fail with EPERM in BeegFS v7 and earlier versions
which don't allow hard-links to other directories */
if (errno != EMLINK && errno != EPERM)
throw SysError("linking '%s' to '%s'", to, from);
copyPath(from, to);
}