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We don't need to be able to clone these services in here.
Change-Id: Ifb69450f7ebdc8364cbf9cdfb6464f8560440e4c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8645
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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nix_oracle.rs now gives us the possibility to check this by stuffing the
expressions in a list. In fact, the incorrect behavior fixed in
- cl/8656
- cl/8655
- cl/8662
was discovered using this test suite.
Change-Id: Id0ab01ee6be0b875791214e0a72a2ac941c46c96
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8658
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This will be useful for comparing thunking behavior to C++ Nix. I
considered adding this capability to the tvix_tests/nix_tests
infrastructure, but as it would require changing the test file naming
scheme to do it in a clean way, I've postponed it–it's nice that our
tests are compatible with C++ Nix's test suite.
Change-Id: I60bcdd98ed25140e716f0858f8dc28f21ab957aa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8657
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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As cl/8658 and b/274 reveal, lambda expressions are also wrapped in
thunks.
Resolves b/274.
Change-Id: I02fe5c8730ac76748d940e4f4427116587875275
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8662
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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HasAttrs was weird because with longer attribute paths it would
sometimes not turn out to be a thunk. If it was a thunk, it'd usually
still do some eval strictly which we'll want to avoid.
Verified against C++ Nix using a new test suite introduced in a later
CL.
Change-Id: I6d047ccc68d046bb268462f170a3c4f3c5ddeffe
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8656
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Probably no real world code broken by this overzealous evaluation, but
let's be thorough!
Change-Id: Ib405a677182eab7940ace940c68e107573473a54
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8655
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Unary operator applications are thunked which can easily be observed by
nix-instantiate --eval -E '[ (!true) (-1) ]'
Unfortunately, there are few simple expressions where this makes a
difference in the end result. Thus it only cropped up when using nixpkgs
for cross compilation: Here we would compile the expression
!(stdenv.cc.isGNU or false)
to assemble python3Minimal's passthru attribute set (at least this seems
to be the most likely explanation from the backtraces I've studied).
This means that an unthunked
<stdenv.cc.isGNU or false>
OpForce
OpInvert
would be performed in order to assemble this attribute set, causing
stdenv.cc to be evaluated too early, causing an infinite recursion.
Resolves b/273.
It seems that having a test suite that doesn't use --strict and relies
on thunks rendered as <CODE> would be beneficial for catching such
issues. I've not been able to find a test case with --strict that
demonstrates the problem fixed in this CL.
Change-Id: I640a5827b963f5b9d0f86fa2142e75e3a6bbee78
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8654
Tested-by: BuildkiteCI
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <tazjin@tvl.su>
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This will prevent tvix from printing any warnings.
As a followup, we can also thread this parameter through into the
evaluator itself, to prevent warnings from being constructed in first
place.
Change-Id: I15381396f86573484bdd1a73d09034a665638e35
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8646
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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