2021-05-19 11:35:46 +00:00
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source ./common.sh
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2021-07-26 04:54:55 +00:00
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requireDaemonNewerThan "2.4pre20210625"
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2021-05-19 11:35:46 +00:00
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sed -i 's/experimental-features .*/& ca-derivations ca-references/' "$NIX_CONF_DIR"/nix.conf
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export REMOTE_STORE_DIR="$TEST_ROOT/remote_store"
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export REMOTE_STORE="file://$REMOTE_STORE_DIR"
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rm -rf $REMOTE_STORE_DIR
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clearStore
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# Build dep1 and push that to the binary cache.
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# This entails building (and pushing) current-time.
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nix copy --to "$REMOTE_STORE" -f nondeterministic.nix dep1
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clearStore
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sleep 2 # To make sure that `$(date)` will be different
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# Build dep2.
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# As we’ve cleared the cache, we’ll have to rebuild current-time. And because
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# the current time isn’t the same as before, this will yield a new (different)
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# realisation
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2021-06-25 09:17:19 +00:00
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nix build -f nondeterministic.nix dep2 --no-link
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2021-05-19 11:35:46 +00:00
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# Build something that depends both on dep1 and dep2.
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# If everything goes right, we should rebuild dep2 rather than fetch it from
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# the cache (because that would mean duplicating `current-time` in the closure),
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# and have `dep1 == dep2`.
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2021-06-25 09:17:19 +00:00
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nix build --substituters "$REMOTE_STORE" -f nondeterministic.nix toplevel --no-require-sigs --no-link
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