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Allow setting the state directory as a store parameter

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E.g. "local?store=/tmp/store&state=/tmp/var".
This commit is contained in:
Eelco Dolstra 2016-06-02 13:33:49 +02:00
parent f2682e6e18
commit 812c0dfbe2
13 changed files with 112 additions and 77 deletions
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34
src/nix-store/nix-store.cc
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@ -63,6 +63,8 @@ static PathSet realisePath(Path path, bool build = true)
{
DrvPathWithOutputs p = parseDrvPathWithOutputs(path);
auto store2 = std::dynamic_pointer_cast<LocalFSStore>(store);
if (isDerivation(p.first)) {
if (build) store->buildPaths({path});
Derivation drv = store->derivationFromPath(p.first);
@ -77,13 +79,15 @@ static PathSet realisePath(Path path, bool build = true)
if (i == drv.outputs.end())
throw Error(format("derivation ‘%1%’ does not have an output named ‘%2%’") % p.first % j);
Path outPath = i->second.path;
if (gcRoot == "")
printGCWarning();
else {
Path rootName = gcRoot;
if (rootNr > 1) rootName += "-" + std::to_string(rootNr);
if (i->first != "out") rootName += "-" + i->first;
outPath = store->addPermRoot(outPath, rootName, indirectRoot);
if (store2) {
if (gcRoot == "")
printGCWarning();
else {
Path rootName = gcRoot;
if (rootNr > 1) rootName += "-" + std::to_string(rootNr);
if (i->first != "out") rootName += "-" + i->first;
outPath = store2->addPermRoot(outPath, rootName, indirectRoot);
}
}
outputs.insert(outPath);
}
@ -93,13 +97,15 @@ static PathSet realisePath(Path path, bool build = true)
else {
if (build) store->ensurePath(path);
else if (!store->isValidPath(path)) throw Error(format("path ‘%1%’ does not exist and cannot be created") % path);
if (gcRoot == "")
printGCWarning();
else {
Path rootName = gcRoot;
rootNr++;
if (rootNr > 1) rootName += "-" + std::to_string(rootNr);
path = store->addPermRoot(path, rootName, indirectRoot);
if (store2) {
if (gcRoot == "")
printGCWarning();
else {
Path rootName = gcRoot;
rootNr++;
if (rootNr > 1) rootName += "-" + std::to_string(rootNr);
path = store2->addPermRoot(path, rootName, indirectRoot);
}
}
return {path};
}