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nix build: Use Nix search path

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That is, unless --file is specified, the Nix search path is
synthesized into an attribute set. Thus you can say

  $ nix build nixpkgs.hello

assuming $NIX_PATH contains an entry of the form "nixpkgs=...". This
is more verbose than

  $ nix build hello

but is less ambiguous.
This commit is contained in:
Eelco Dolstra 2016-08-23 17:11:19 +02:00
parent 22d6e31fc6
commit d74236d1f2
5 changed files with 57 additions and 13 deletions
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6
src/libexpr/eval.hh
View file

@ -43,7 +43,7 @@ struct Env
};
void mkString(Value & v, const string & s, const PathSet & context = PathSet());
Value & mkString(Value & v, const string & s, const PathSet & context = PathSet());
void copyContext(const Value & v, PathSet & context);
@ -108,6 +108,8 @@ public:
void addToSearchPath(const string & s);
SearchPath getSearchPath() { return searchPath; }
Path checkSourcePath(const Path & path);
/* Parse a Nix expression from the specified file. */
@ -204,7 +206,7 @@ private:
public:
void getBuiltin(const string & name, Value & v);
Value & getBuiltin(const string & name);
private: