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Add StorePathCAMap for querySubstitutablePathInfos

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I’m not 100% sure this is wanted since it kind of makes everything
have to know about ca even if they don’t really want to. But it also
make things easier in dealing with looking up ca.
This commit is contained in:
Matthew Bauer 2020-06-17 15:03:05 -04:00
parent be50de1142
commit 5e631e3304
8 changed files with 31 additions and 30 deletions
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7
src/libstore/daemon.cc
View file

@ -593,7 +593,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto path = store->parseStorePath(readString(from));
logger->startWork();
SubstitutablePathInfos infos;
store->querySubstitutablePathInfos({path}, infos);
store->querySubstitutablePathInfos({{path, std::nullopt}}, infos);
logger->stopWork();
auto i = infos.find(path);
if (i == infos.end())
@ -612,7 +612,10 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto paths = readStorePaths<StorePathSet>(*store, from);
logger->startWork();
SubstitutablePathInfos infos;
store->querySubstitutablePathInfos(paths, infos);
StorePathCAMap pathsMap = {};
for (auto & path : paths)
pathsMap.emplace(path, std::nullopt);
store->querySubstitutablePathInfos(pathsMap, infos);
logger->stopWork();
to << infos.size();
for (auto & i : infos) {

18
src/libstore/local-store.cc
View file

@ -841,22 +841,20 @@ StorePathSet LocalStore::querySubstitutablePaths(const StorePathSet & paths)
}
void LocalStore::querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos, std::map<std::string, std::string> pathsCA)
void LocalStore::querySubstitutablePathInfos(const StorePathCAMap & paths, SubstitutablePathInfos & infos)
{
if (!settings.useSubstitutes) return;
for (auto & sub : getDefaultSubstituters()) {
for (auto & path : paths) {
auto subPath(path);
auto subPath(path.first);
auto ca = pathsCA.find(printStorePath(path));
// recompute store path so that we can use a different store root
if (ca != pathsCA.end() && (hasPrefix(ca->second, "fixed:") || hasPrefix(ca->second, "text:"))) {
subPath = makeFixedOutputPathFromCA(path.name(), ca->second);
if (path.second && (hasPrefix(*path.second, "fixed:") || hasPrefix(*path.second, "text:"))) {
subPath = makeFixedOutputPathFromCA(path.first.name(), *path.second);
if (sub->storeDir == storeDir)
assert(subPath == path);
if (subPath != path)
debug("replaced path '%s' with '%s' for substituter '%s'", printStorePath(path), sub->printStorePath(subPath), sub->getUri());
assert(subPath == path.first);
if (subPath != path.first)
debug("replaced path '%s' with '%s' for substituter '%s'", printStorePath(path.first), sub->printStorePath(subPath), sub->getUri());
} else if (sub->storeDir != storeDir) continue;
debug("checking substituter '%s' for path '%s'", sub->getUri(), sub->printStorePath(subPath));
@ -868,7 +866,7 @@ void LocalStore::querySubstitutablePathInfos(const StorePathSet & paths,
auto narInfo = std::dynamic_pointer_cast<const NarInfo>(
std::shared_ptr<const ValidPathInfo>(info));
infos.insert_or_assign(path, SubstitutablePathInfo{
infos.insert_or_assign(path.first, SubstitutablePathInfo{
info->deriver,
info->references,
narInfo ? narInfo->fileSize : 0,

5
src/libstore/local-store.hh
View file

@ -139,9 +139,8 @@ public:
StorePathSet querySubstitutablePaths(const StorePathSet & paths) override;
void querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos,
std::map<std::string, std::string> pathsCA = {}) override;
void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) override;
void addToStore(const ValidPathInfo & info, Source & source,
RepairFlag repair, CheckSigsFlag checkSigs,

7
src/libstore/misc.cc
View file

@ -178,10 +178,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
auto outPath = parseStorePath(outPathS);
SubstitutablePathInfos infos;
std::map<std::string, std::string> pathsCA = {};
if (auto ca = getDerivationCA(*drv))
pathsCA.insert({outPathS, *ca});
querySubstitutablePathInfos({outPath}, infos, pathsCA);
querySubstitutablePathInfos({{outPath, getDerivationCA(*drv)}}, infos);
if (infos.empty()) {
drvState_->lock()->done = true;
@ -238,7 +235,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
if (isValidPath(path.path)) return;
SubstitutablePathInfos infos;
querySubstitutablePathInfos({path.path}, infos);
querySubstitutablePathInfos({{path.path, std::nullopt}}, infos);
if (infos.empty()) {
auto state(state_.lock());

2
src/libstore/path.hh
View file

@ -62,6 +62,8 @@ public:
typedef std::set<StorePath> StorePathSet;
typedef std::vector<StorePath> StorePaths;
typedef std::map<StorePath, std::optional<std::string>> StorePathCAMap;
/* Extension of derivations in the Nix store. */
const std::string drvExtension = ".drv";

14
src/libstore/remote-store.cc
View file

@ -308,18 +308,17 @@ StorePathSet RemoteStore::querySubstitutablePaths(const StorePathSet & paths)
}
void RemoteStore::querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos, std::map<std::string, std::string> pathsCA)
void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, SubstitutablePathInfos & infos)
{
if (paths.empty()) return;
if (pathsMap.empty()) return;
auto conn(getConnection());
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 12) {
for (auto & i : paths) {
for (auto & i : pathsMap) {
SubstitutablePathInfo info;
conn->to << wopQuerySubstitutablePathInfo << printStorePath(i);
conn->to << wopQuerySubstitutablePathInfo << printStorePath(i.first);
conn.processStderr();
unsigned int reply = readInt(conn->from);
if (reply == 0) continue;
@ -329,12 +328,15 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathSet & paths,
info.references = readStorePaths<StorePathSet>(*this, conn->from);
info.downloadSize = readLongLong(conn->from);
info.narSize = readLongLong(conn->from);
infos.insert_or_assign(i, std::move(info));
infos.insert_or_assign(i.first, std::move(info));
}
} else {
conn->to << wopQuerySubstitutablePathInfos;
StorePathSet paths;
for (auto & path : pathsMap)
paths.insert(path.first);
writeStorePaths(*this, conn->to, paths);
conn.processStderr();
size_t count = readNum<size_t>(conn->from);

4
src/libstore/remote-store.hh
View file

@ -55,8 +55,8 @@ public:
StorePathSet querySubstitutablePaths(const StorePathSet & paths) override;
void querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos, std::map<std::string, std::string> pathsCA = {}) override;
void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) override;
void addToStore(const ValidPathInfo & info, Source & nar,
RepairFlag repair, CheckSigsFlag checkSigs,

4
src/libstore/store-api.hh
View file

@ -445,8 +445,8 @@ public:
/* Query substitute info (i.e. references, derivers and download
sizes) of a set of paths. If a path does not have substitute
info, it's omitted from the resulting ‘infos’ map. */
virtual void querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos, std::map<std::string, std::string> pathsCA = {}) { return; };
virtual void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) { return; };
/* Import a path into the store. */
virtual void addToStore(const ValidPathInfo & info, Source & narSource,