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lix/tests/ca/racy.nix
regnat 8707773965 Properly lock the builds of CA derivations
Make sure that we can’t build the same derivation twice at the same
time.

Fix https://github.com/NixOS/nix/issues/5029
2021-07-20 06:57:56 +02:00

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Nix

# A derivation that would certainly fail if several builders tried to
# build it at once.
with import ./config.nix;
mkDerivation {
name = "simple";
buildCommand = ''
mkdir $out
echo bar >> $out/foo
sleep 3
[[ "$(cat $out/foo)" == bar ]]
'';
}