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Remove StorePath::clone() and related functions

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This commit is contained in:
Eelco Dolstra 2020-06-16 22:20:18 +02:00
parent df4da4f5da
commit 29542865ce
34 changed files with 201 additions and 304 deletions
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24
src/libstore/gc.cc
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@ -128,7 +128,7 @@ Path LocalFSStore::addPermRoot(const StorePath & storePath,
gcroots directory. */
if (settings.checkRootReachability) {
auto roots = findRoots(false);
if (roots[storePath.clone()].count(gcRoot) == 0)
if (roots[storePath].count(gcRoot) == 0)
logWarning({
.name = "GC root",
.hint = hintfmt("warning: '%1%' is not in a directory where the garbage collector looks for roots; "
@ -478,9 +478,9 @@ void LocalStore::findRuntimeRoots(Roots & roots, bool censor)
if (!isValidPath(path)) continue;
debug("got additional root '%1%'", pathS);
if (censor)
roots[path.clone()].insert(censored);
roots[path].insert(censored);
else
roots[path.clone()].insert(links.begin(), links.end());
roots[path].insert(links.begin(), links.end());
}
}
@ -592,11 +592,11 @@ bool LocalStore::canReachRoot(GCState & state, StorePathSet & visited, const Sto
if (state.roots.count(path)) {
debug("cannot delete '%1%' because it's a root", printStorePath(path));
state.alive.insert(path.clone());
state.alive.insert(path);
return true;
}
visited.insert(path.clone());
visited.insert(path);
if (!isValidPath(path)) return false;
@ -610,7 +610,7 @@ bool LocalStore::canReachRoot(GCState & state, StorePathSet & visited, const Sto
if (state.gcKeepDerivations && path.isDerivation()) {
for (auto & i : queryDerivationOutputs(path))
if (isValidPath(i) && queryPathInfo(i)->deriver == path)
incoming.insert(i.clone());
incoming.insert(i);
}
/* If keep-outputs is set, then don't delete this path if there
@ -618,13 +618,13 @@ bool LocalStore::canReachRoot(GCState & state, StorePathSet & visited, const Sto
if (state.gcKeepOutputs) {
auto derivers = queryValidDerivers(path);
for (auto & i : derivers)
incoming.insert(i.clone());
incoming.insert(i);
}
for (auto & i : incoming)
if (i != path)
if (canReachRoot(state, visited, i)) {
state.alive.insert(path.clone());
state.alive.insert(path);
return true;
}
@ -668,7 +668,7 @@ void LocalStore::tryToDelete(GCState & state, const Path & path)
‘nix-store --delete’ doesn't have the unexpected effect of
recursing into derivations and outputs. */
for (auto & i : visited)
state.dead.insert(i.clone());
state.dead.insert(i);
if (state.shouldDelete)
deletePathRecursive(state, path);
}
@ -754,7 +754,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
if (!options.ignoreLiveness)
findRootsNoTemp(rootMap, true);
for (auto & i : rootMap) state.roots.insert(i.first.clone());
for (auto & i : rootMap) state.roots.insert(i.first);
/* Read the temporary roots. This acquires read locks on all
per-process temporary root files. So after this point no paths
@ -763,8 +763,8 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
Roots tempRoots;
findTempRoots(fds, tempRoots, true);
for (auto & root : tempRoots) {
state.tempRoots.insert(root.first.clone());
state.roots.insert(root.first.clone());
state.tempRoots.insert(root.first);
state.roots.insert(root.first);
}
/* After this point the set of roots or temporary roots cannot