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* Refactoring: get the selection path stuff out of getDerivations()

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and put it into a separate function findAlongAttrPath().
This commit is contained in:
Eelco Dolstra 2006-07-26 15:05:15 +00:00
parent 2317d8f671
commit ca2238cf81
9 changed files with 170 additions and 119 deletions
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12
src/nix-env/main.cc
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@ -10,6 +10,7 @@
#include "help.txt.hh"
#include "nixexpr-ast.hh"
#include "get-drvs.hh"
#include "attr-path.hh"
#include "pathlocks.hh"
#include <cerrno>
@ -36,7 +37,6 @@ struct InstallSourceInfo
Path nixExprPath; /* for srcNixExprDrvs, srcNixExprs */
Path profile; /* for srcProfile */
string systemFilter; /* for srcNixExprDrvs */
string attrPath; /* srcAttrPath */
};
@ -65,7 +65,7 @@ static void loadDerivations(EvalState & state, Path nixExprPath,
string systemFilter, DrvInfos & elems)
{
getDerivations(state,
parseExprFromFile(state, absPath(nixExprPath)), elems);
parseExprFromFile(state, absPath(nixExprPath)), "", elems);
/* Filter out all derivations not applicable to the current
system. */
@ -119,7 +119,7 @@ static DrvInfos queryInstalled(EvalState & state, const Path & userEnv)
e = bottomupRewrite(addPos, e);
DrvInfos elems;
getDerivations(state, e, elems);
getDerivations(state, e, "", elems);
return elems;
}
@ -334,7 +334,7 @@ static void queryInstSources(EvalState & state,
{
Expr e2 = parseExprFromString(state, *i, absPath("."));
Expr call = makeCall(e2, e1);
getDerivations(state, call, elems);
getDerivations(state, call, "", elems);
}
break;
@ -388,7 +388,9 @@ static void queryInstSources(EvalState & state,
for (Strings::const_iterator i = args.begin();
i != args.end(); ++i)
getDerivations(state,
parseExprFromFile(state, instSource.nixExprPath), elems, *i);
findAlongAttrPath(state, *i,
parseExprFromFile(state, instSource.nixExprPath)),
"", elems);
break;
}
}