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TextHashMethod
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, gate with XP feature
I suppose we can use `dynamic-derivations` for the few things we neeed.
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11 changed files with 53 additions and 29 deletions
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@ -2,8 +2,10 @@
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source common.sh
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# Globally enable the ca derivations experimental flag
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sed -i 's/experimental-features = .*/& ca-derivations ca-references/' "$NIX_CONF_DIR/nix.conf"
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# Globally enable dynamic-derivations in addition to CA derivations
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enableFeatures "dynamic-derivations"
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restartDaemon
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# In the corresponding nix file, we have two derivations: the first, named root,
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# is a normal recursive derivation, while the second, named dependent, has the
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@ -15,13 +17,13 @@ sed -i 's/experimental-features = .*/& ca-derivations ca-references/' "$NIX_CONF
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# - build the dependent derivation
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# - check that the path of the output coincides with that of the original derivation
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drv=$(nix-instantiate --experimental-features ca-derivations ./text-hashed-output.nix -A root)
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drv=$(nix-instantiate ./text-hashed-output.nix -A root)
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nix show-derivation "$drv"
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drvDep=$(nix-instantiate --experimental-features ca-derivations ./text-hashed-output.nix -A dependent)
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drvDep=$(nix-instantiate ./text-hashed-output.nix -A dependent)
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nix show-derivation "$drvDep"
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out1=$(nix-build --experimental-features ca-derivations ./text-hashed-output.nix -A dependent --no-out-link)
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out1=$(nix-build ./text-hashed-output.nix -A dependent --no-out-link)
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nix path-info $drv --derivation --json | jq
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nix path-info $out1 --derivation --json | jq
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