nix-super/tests/hermetic.nix

57 lines
1.4 KiB
Nix
Raw Normal View History

2023-05-08 23:00:47 +03:00
{ busybox, seed }:
2023-05-08 21:47:39 +03:00
with import ./config.nix;
let
contentAddressedByDefault = builtins.getEnv "NIX_TESTS_CA_BY_DEFAULT" == "1";
caArgs = if contentAddressedByDefault then {
__contentAddressed = true;
outputHashMode = "recursive";
outputHashAlgo = "sha256";
} else {};
mkDerivation = args:
derivation ({
inherit system;
builder = busybox;
args = ["sh" "-e" args.builder or (builtins.toFile "builder-${args.name}.sh" "if [ -e .attrs.sh ]; then source .attrs.sh; fi; eval \"$buildCommand\"")];
} // removeAttrs args ["builder" "meta" "passthru"]
// caArgs)
// { meta = args.meta or {}; passthru = args.passthru or {}; };
input1 = mkDerivation {
shell = busybox;
2023-05-08 23:00:47 +03:00
name = "hermetic-input-1";
buildCommand = "echo hi-input1 seed=${toString seed}; echo FOO > $out";
2023-05-08 21:47:39 +03:00
};
input2 = mkDerivation {
shell = busybox;
2023-05-08 23:00:47 +03:00
name = "hermetic-input-2";
2023-05-08 21:47:39 +03:00
buildCommand = "echo hi; echo BAR > $out";
};
input3 = mkDerivation {
shell = busybox;
2023-05-08 23:00:47 +03:00
name = "hermetic-input-3";
2023-05-08 21:47:39 +03:00
buildCommand = ''
echo hi-input3
read x < ${input2}
echo $x BAZ > $out
'';
};
in
mkDerivation {
shell = busybox;
2023-05-08 23:00:47 +03:00
name = "hermetic";
2023-05-08 21:47:39 +03:00
passthru = { inherit input1 input2 input3; };
buildCommand =
''
read x < ${input1}
read y < ${input3}
echo "$x $y" > $out
'';
}