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Remove flake closure caching

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This is not compatible with lazy flake input fetching.
This commit is contained in:
Eelco Dolstra 2020-03-18 14:11:58 +01:00
parent 1e7ce1d6da
commit 1b49479836
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GPG key ID: 8170B4726D7198DE
1 changed files with 0 additions and 52 deletions
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52
src/nix/installables.cc
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@ -256,56 +256,6 @@ struct InstallableAttrPath : InstallableValue
}
};
void makeFlakeClosureGCRoot(Store & store,
const FlakeRef & origFlakeRef,
const flake::LockedFlake & lockedFlake)
{
#if 0
if (std::get_if<FlakeRef::IsPath>(&origFlakeRef.data)) return;
/* Get the store paths of all non-local flakes. */
StorePathSet closure;
assert(store.isValidPath(store.parseStorePath(lockedFlake.flake.sourceInfo.storePath)));
closure.insert(store.parseStorePath(lockedFlake.flake.sourceInfo.storePath));
std::queue<std::reference_wrapper<const flake::LockedInputs>> queue;
queue.push(lockedFlake.lockFile);
while (!queue.empty()) {
const flake::LockedInputs & flake = queue.front();
queue.pop();
/* Note: due to lazy fetching, these paths might not exist
yet. */
for (auto & dep : flake.inputs) {
auto path = dep.second.computeStorePath(store);
if (store.isValidPath(store.parseStorePath(path)))
closure.insert(store.parseStorePath(path));
queue.push(dep.second);
}
}
if (closure.empty()) return;
/* Write the closure to a file in the store. */
auto closurePath = store.addTextToStore("flake-closure",
concatStringsSep(" ", store.printStorePathSet(closure)), closure);
Path cacheDir = getCacheDir() + "/nix/flake-closures";
createDirs(cacheDir);
auto s = origFlakeRef.to_string();
assert(s[0] != '.');
s = replaceStrings(s, "%", "%25");
s = replaceStrings(s, "/", "%2f");
s = replaceStrings(s, ":", "%3a");
Path symlink = cacheDir + "/" + s;
debug("writing GC root '%s' for flake closure of '%s'", symlink, origFlakeRef);
replaceSymlink(store.printStorePath(closurePath), symlink);
store.addIndirectRoot(symlink);
#endif
}
std::vector<std::string> InstallableFlake::getActualAttrPaths()
{
std::vector<std::string> res;
@ -325,8 +275,6 @@ Value * InstallableFlake::getFlakeOutputs(EvalState & state, const flake::Locked
callFlake(state, lockedFlake, *vFlake);
makeFlakeClosureGCRoot(*state.store, flakeRef, lockedFlake);
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
assert(aOutputs);