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#include "attr-path.hh"
#include "common-opts.hh"
#include "derivations.hh"
#include "eval-inline.hh"
#include "eval.hh"
#include "get-drvs.hh"
#include "installables.hh"
#include "store-api.hh"
namespace nix {
Value * MixInstallables::buildSourceExpr(EvalState & state)
{
Value * vRoot = state.allocValue();
if (file != "") {
Expr * e = state.parseExprFromFile(resolveExprPath(lookupFileArg(state, file)));
state.eval(e, *vRoot);
}
else {
/* Construct the installation source from $NIX_PATH. */
auto searchPath = state.getSearchPath();
state.mkAttrs(*vRoot, searchPath.size());
std::unordered_set<std::string> seen;
for (auto & i : searchPath) {
if (i.first == "") continue;
if (seen.count(i.first)) continue;
seen.insert(i.first);
if (!pathExists(i.second)) continue;
mkApp(*state.allocAttr(*vRoot, state.symbols.create(i.first)),
state.getBuiltin("import"),
mkString(*state.allocValue(), i.second));
}
vRoot->attrs->sort();
}
return vRoot;
}
UserEnvElems MixInstallables::evalInstallables(ref<Store> store)
{
UserEnvElems res;
for (auto & installable : installables) {
if (std::string(installable, 0, 1) == "/") {
if (store->isStorePath(installable)) {
if (isDerivation(installable)) {
UserEnvElem elem;
// FIXME: handle empty case, drop version
elem.attrPath = {storePathToName(installable)};
elem.isDrv = true;
elem.drvPath = installable;
res.push_back(elem);
}
else {
UserEnvElem elem;
// FIXME: handle empty case, drop version
elem.attrPath = {storePathToName(installable)};
elem.isDrv = false;
elem.outPaths = {installable};
res.push_back(elem);
}
}
else
throw UsageError(format("don't know what to do with '%1%'") % installable);
}
else {
EvalState state({}, store);
auto vRoot = buildSourceExpr(state);
std::map<string, string> autoArgs_;
Bindings & autoArgs(*evalAutoArgs(state, autoArgs_));
Value & v(*findAlongAttrPath(state, installable, autoArgs, *vRoot));
state.forceValue(v);
DrvInfos drvs;
getDerivations(state, v, "", autoArgs, drvs, false);
for (auto & i : drvs) {
UserEnvElem elem;
elem.isDrv = true;
elem.drvPath = i.queryDrvPath();
res.push_back(elem);
}
}
}
return res;
}
}
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