48 lines
988 B
C++
48 lines
988 B
C++
#pragma once
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#include "args.hh"
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namespace nix {
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struct UserEnvElem
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{
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Strings attrPath;
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// FIXME: should use boost::variant or so.
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bool isDrv;
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// Derivation case:
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Path drvPath;
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StringSet outputNames;
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// Non-derivation case:
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PathSet outPaths;
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};
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typedef std::vector<UserEnvElem> UserEnvElems;
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struct Value;
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class EvalState;
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struct MixInstallables : virtual Args
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{
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Strings installables;
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Path file;
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MixInstallables()
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{
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mkFlag('f', "file", "file", "evaluate FILE rather than the default", &file);
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expectArgs("installables", &installables);
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}
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UserEnvElems evalInstallables(ref<Store> store);
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/* Return a value representing the Nix expression from which we
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are installing. This is either the file specified by ‘--file’,
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or an attribute set constructed from $NIX_PATH, e.g. ‘{ nixpkgs
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= import ...; bla = import ...; }’. */
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Value * buildSourceExpr(EvalState & state);
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};
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}
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