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* Uninstallation.

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This commit is contained in:
Eelco Dolstra 2003-11-21 14:23:18 +00:00
parent 2e9042bd1e
commit 06208d1d86
2 changed files with 19 additions and 8 deletions
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16
src/libexpr/primops.cc
View file

@ -93,10 +93,16 @@ static string processBinding(EvalState & state, Expr e, StoreExpr & ne)
Expr a = queryAttr(e, "type");
if (a && evalString(state, a) == "derivation") {
a = queryAttr(e, "drvPath");
if (a) {
Path drvPath = evalPath(state, a);
return addInput(state, drvPath, ne);
}
if (!a) throw badTerm("derivation name missing", e);
Path drvPath = evalPath(state, a);
a = queryAttr(e, "drvHash");
if (!a) throw badTerm("derivation hash missing", e);
Hash drvHash = parseHash(evalString(state, a));
state.drvHashes[drvPath] = drvHash;
return addInput(state, drvPath, ne);
}
}
@ -199,13 +205,13 @@ Expr primDerivation(EvalState & state, Expr args)
? hashString((string) outHash + outPath)
: hashDerivation(state, ne);
Path drvPath = writeTerm(unparseStoreExpr(ne), "-d-" + drvName);
state.drvHashes[drvPath] = drvHash;
printMsg(lvlChatty, format("instantiated `%1%' -> `%2%'")
% drvName % drvPath);
attrs.set("outPath", ATmake("Path(<str>)", outPath.c_str()));
attrs.set("drvPath", ATmake("Path(<str>)", drvPath.c_str()));
attrs.set("drvHash", ATmake("Str(<str>)", ((string) drvHash).c_str()));
attrs.set("type", ATmake("Str(\"derivation\")"));
return makeAttrs(attrs);

11
src/nix-env/main.cc
View file

@ -14,6 +14,7 @@ struct DrvInfo
string name;
Path drvPath;
Path outPath;
Hash drvHash;
};
typedef map<Path, DrvInfo> DrvInfos;
@ -36,6 +37,10 @@ bool parseDerivation(EvalState & state, Expr e, DrvInfo & drv)
if (!a) throw badTerm("derivation path missing", e);
drv.drvPath = evalPath(state, a);
a = queryAttr(e, "drvHash");
if (!a) throw badTerm("derivation hash missing", e);
drv.drvHash = parseHash(evalString(state, a));
a = queryAttr(e, "outPath");
if (!a) throw badTerm("output path missing", e);
drv.outPath = evalPath(state, a);
@ -169,10 +174,12 @@ void createUserEnv(EvalState & state, const DrvInfos & drvs)
"Bind(\"type\", Str(\"derivation\")), "
"Bind(\"name\", Str(<str>)), "
"Bind(\"drvPath\", Path(<str>)), "
"Bind(\"drvHash\", Str(<str>)), "
"Bind(\"outPath\", Path(<str>))"
"])",
i->second.name.c_str(),
i->second.drvPath.c_str(),
((string) i->second.drvHash).c_str(),
i->second.outPath.c_str());
inputs = ATinsert(inputs, t);
}
@ -280,12 +287,10 @@ void uninstallDerivations(EvalState & state, Strings drvNames)
if (j == nameMap.end())
throw Error(format("unknown derivation `%1%'") % *i);
else
installedDrvs.erase(j->first);
installedDrvs.erase(j->second);
}
createUserEnv(state, installedDrvs);
#if 0
#endif
}