pyrox.dev
Avoid top-level `with ...;` in pkgs/build-support/replace-dependency.nix
authored by
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pkgs/build-support/replace-dependency.nix
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pkgs/build-support/replace-dependency.nix
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# (and all of its dependencies) without rebuilding further.
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{ drv, oldDependency, newDependency, verbose ? true }:
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with lib;
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let
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inherit (lib)
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any
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attrNames
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concatStringsSep
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elem
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filter
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filterAttrs
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listToAttrs
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mapAttrsToList
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stringLength
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substring
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;
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let
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warn = if verbose then builtins.trace else (x: y: y);
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references = import (runCommandLocal "references.nix" { exportReferencesGraph = [ "graph" drv ]; } ''
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(echo {
···
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(drv: { name = discard (toString drv);
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value = elem oldStorepath (referencesOf drv) ||
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any dependsOnOld (referencesOf drv);
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}) (builtins.attrNames references));
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}) (attrNames references));
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dependsOnOld = drv: dependsOnOldMemo.${discard (toString drv)};
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···
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rewriteMemo = listToAttrs (map
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(drv: { name = discard (toString drv);
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value = rewriteHashes (builtins.storePath drv)
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(filterAttrs (n: v: builtins.elem (builtins.storePath (discard (toString n))) (referencesOf drv)) rewriteMemo);
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(filterAttrs (n: v: elem (builtins.storePath (discard (toString n))) (referencesOf drv)) rewriteMemo);
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})
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(filter dependsOnOld (builtins.attrNames references))) // rewrittenDeps;
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(filter dependsOnOld (attrNames references))) // rewrittenDeps;
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drvHash = discard (toString drv);
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in assert (stringLength (drvName (toString oldDependency)) == stringLength (drvName (toString newDependency)));