forked from lix-project/lix
0e6dc72a7a
https://svn.cs.uu.nl:12443/repos/trace/buildfarm-control/trunk/ext/nix/, with some modifications. This allows `nix-env -qa' to show the attribute path that can be used to unambiguously install a package using `nix-env -i -A'. Example: $ nix-env -f top-level/all-packages.nix -qaA subversion xorg-server subversionWithJava subversion-1.2.3 subversion subversion-1.3.2 subversion14 subversion-1.4.0pre-rc1 xorg.xorgserver xorg-server-1.1.0
57 lines
1 KiB
C++
57 lines
1 KiB
C++
#ifndef __GET_DRVS_H
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#define __GET_DRVS_H
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#include <string>
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#include <map>
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#include <boost/shared_ptr.hpp>
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#include "eval.hh"
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typedef map<string, string> MetaInfo;
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struct DrvInfo
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{
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private:
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string drvPath;
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string outPath;
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public:
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string name;
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string attrPath; /* path towards the derivation */
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string system;
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shared_ptr<ATermMap> attrs;
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string queryDrvPath(EvalState & state) const;
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string queryOutPath(EvalState & state) const;
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MetaInfo queryMetaInfo(EvalState & state) const;
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void setDrvPath(const string & s)
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{
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drvPath = s;
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}
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void setOutPath(const string & s)
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{
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outPath = s;
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}
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};
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typedef list<DrvInfo> DrvInfos;
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/* Evaluate expression `e'. If it evaluates to a derivation, store
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information about the derivation in `drv' and return true.
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Otherwise, return false. */
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bool getDerivation(EvalState & state, Expr e, DrvInfo & drv);
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void getDerivations(EvalState & state, Expr e, DrvInfos & drvs,
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const string & attrPath = "");
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#endif /* !__GET_DRVS_H */
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