forked from lix-project/lix
* More remote operations.
* Added new operation hasSubstitutes(), which is more efficient than querySubstitutes().size() > 0.
This commit is contained in:
parent
aac547a8b3
commit
0565b5f2b3
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@ -660,7 +660,7 @@ void DerivationGoal::haveStoreExpr()
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i != invalidOutputs.end(); ++i)
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i != invalidOutputs.end(); ++i)
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/* Don't bother creating a substitution goal if there are no
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/* Don't bother creating a substitution goal if there are no
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substitutes. */
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substitutes. */
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if (store->querySubstitutes(*i).size() > 0)
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if (store->hasSubstitutes(*i))
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addWaitee(worker.makeSubstitutionGoal(*i));
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addWaitee(worker.makeSubstitutionGoal(*i));
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if (waitees.empty()) /* to prevent hang (no wake-up event) */
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if (waitees.empty()) /* to prevent hang (no wake-up event) */
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@ -481,15 +481,15 @@ void registerSubstitute(const Transaction & txn,
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}
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}
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Substitutes querySubstitutes(const Transaction & txn, const Path & srcPath)
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Substitutes querySubstitutes(const Transaction & txn, const Path & path)
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{
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{
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return readSubstitutes(txn, srcPath);
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return readSubstitutes(txn, path);
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}
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}
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Substitutes LocalStore::querySubstitutes(const Path & srcPath)
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Substitutes LocalStore::querySubstitutes(const Path & path)
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{
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{
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return nix::querySubstitutes(noTxn, srcPath);
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return nix::querySubstitutes(noTxn, path);
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}
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}
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@ -64,7 +64,7 @@ void queryMissing(const PathSet & targets,
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for (DerivationOutputs::iterator i = drv.outputs.begin();
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for (DerivationOutputs::iterator i = drv.outputs.begin();
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i != drv.outputs.end(); ++i)
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i != drv.outputs.end(); ++i)
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if (!store->isValidPath(i->second.path) &&
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if (!store->isValidPath(i->second.path) &&
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store->querySubstitutes(i->second.path).size() == 0)
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!store->hasSubstitutes(i->second.path))
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mustBuild = true;
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mustBuild = true;
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if (mustBuild) {
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if (mustBuild) {
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@ -81,7 +81,7 @@ void queryMissing(const PathSet & targets,
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else {
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else {
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if (store->isValidPath(p)) continue;
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if (store->isValidPath(p)) continue;
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if (store->querySubstitutes(p).size() > 0)
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if (store->hasSubstitutes(p))
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willSubstitute.insert(p);
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willSubstitute.insert(p);
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PathSet refs;
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PathSet refs;
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store->queryReferences(p, todo);
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store->queryReferences(p, todo);
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@ -39,7 +39,7 @@ RemoteStore::RemoteStore()
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throw SysError("dupping read side");
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throw SysError("dupping read side");
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execlp(worker.c_str(), worker.c_str(),
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execlp(worker.c_str(), worker.c_str(),
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"-vvv", "--slave", NULL);
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"--slave", NULL);
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throw SysError(format("executing `%1%'") % worker);
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throw SysError(format("executing `%1%'") % worker);
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@ -81,32 +81,44 @@ bool RemoteStore::isValidPath(const Path & path)
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}
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}
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Substitutes RemoteStore::querySubstitutes(const Path & srcPath)
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Substitutes RemoteStore::querySubstitutes(const Path & path)
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{
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{
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// writeInt(wopQuerySubstitutes);
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throw Error("not implemented 2");
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}
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// throw Error("not implemented 2");
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return Substitutes();
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bool RemoteStore::hasSubstitutes(const Path & path)
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{
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writeInt(wopHasSubstitutes, to);
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writeString(path, to);
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unsigned int reply = readInt(from);
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return reply != 0;
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}
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}
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Hash RemoteStore::queryPathHash(const Path & path)
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Hash RemoteStore::queryPathHash(const Path & path)
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{
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{
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throw Error("not implemented");
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throw Error("not implemented 3");
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}
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}
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void RemoteStore::queryReferences(const Path & storePath,
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void RemoteStore::queryReferences(const Path & path,
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PathSet & references)
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PathSet & references)
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{
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{
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throw Error("not implemented");
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writeInt(wopQueryReferences, to);
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writeString(path, to);
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PathSet references2 = readStringSet(from);
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references.insert(references2.begin(), references2.end());
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}
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}
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void RemoteStore::queryReferrers(const Path & storePath,
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void RemoteStore::queryReferrers(const Path & path,
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PathSet & referrers)
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PathSet & referrers)
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{
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{
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throw Error("not implemented");
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writeInt(wopQueryReferrers, to);
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writeString(path, to);
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PathSet referrers2 = readStringSet(from);
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referrers.insert(referrers2.begin(), referrers2.end());
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}
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}
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@ -123,7 +135,7 @@ Path RemoteStore::addToStore(const Path & srcPath)
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Path RemoteStore::addToStoreFixed(bool recursive, string hashAlgo,
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Path RemoteStore::addToStoreFixed(bool recursive, string hashAlgo,
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const Path & srcPath)
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const Path & srcPath)
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{
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{
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throw Error("not implemented 4");
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throw Error("not implemented 6");
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}
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}
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@ -133,9 +145,7 @@ Path RemoteStore::addTextToStore(const string & suffix, const string & s,
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writeInt(wopAddTextToStore, to);
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writeInt(wopAddTextToStore, to);
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writeString(suffix, to);
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writeString(suffix, to);
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writeString(s, to);
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writeString(s, to);
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writeInt(references.size(), to);
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writeStringSet(references, to);
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for (PathSet::iterator i = references.begin(); i != references.end(); ++i)
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writeString(*i, to);
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Path path = readString(from);
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Path path = readString(from);
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return path;
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return path;
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@ -144,13 +154,17 @@ Path RemoteStore::addTextToStore(const string & suffix, const string & s,
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void RemoteStore::buildDerivations(const PathSet & drvPaths)
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void RemoteStore::buildDerivations(const PathSet & drvPaths)
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{
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{
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throw Error("not implemented 6");
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writeInt(wopBuildDerivations, to);
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writeStringSet(drvPaths, to);
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readInt(from);
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}
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}
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void RemoteStore::ensurePath(const Path & storePath)
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void RemoteStore::ensurePath(const Path & path)
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{
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{
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throw Error("not implemented 7");
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writeInt(wopEnsurePath, to);
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writeString(path, to);
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readInt(from);
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}
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}
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@ -27,15 +27,15 @@ public:
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bool isValidPath(const Path & path);
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bool isValidPath(const Path & path);
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Substitutes querySubstitutes(const Path & srcPath);
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Substitutes querySubstitutes(const Path & path);
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bool hasSubstitutes(const Path & path);
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Hash queryPathHash(const Path & path);
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Hash queryPathHash(const Path & path);
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void queryReferences(const Path & storePath,
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void queryReferences(const Path & path, PathSet & references);
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PathSet & references);
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void queryReferrers(const Path & storePath,
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void queryReferrers(const Path & path, PathSet & referrers);
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PathSet & referrers);
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Path addToStore(const Path & srcPath);
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Path addToStore(const Path & srcPath);
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@ -47,7 +47,7 @@ public:
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void buildDerivations(const PathSet & drvPaths);
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void buildDerivations(const PathSet & drvPaths);
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void ensurePath(const Path & storePath);
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void ensurePath(const Path & path);
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private:
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private:
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Pipe toChild;
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Pipe toChild;
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@ -6,6 +6,12 @@
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namespace nix {
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namespace nix {
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bool StoreAPI::hasSubstitutes(const Path & path)
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{
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return !querySubstitutes(path).empty();
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}
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bool isInStore(const Path & path)
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bool isInStore(const Path & path)
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{
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{
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return path[0] == '/'
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return path[0] == '/'
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@ -43,7 +43,11 @@ public:
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virtual bool isValidPath(const Path & path) = 0;
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virtual bool isValidPath(const Path & path) = 0;
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/* Return the substitutes for the given path. */
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/* Return the substitutes for the given path. */
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virtual Substitutes querySubstitutes(const Path & srcPath) = 0;
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virtual Substitutes querySubstitutes(const Path & path) = 0;
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/* More efficient variant if we just want to know if a path has
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substitutes. */
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virtual bool hasSubstitutes(const Path & path);
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/* Queries the hash of a valid path. */
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/* Queries the hash of a valid path. */
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virtual Hash queryPathHash(const Path & path) = 0;
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virtual Hash queryPathHash(const Path & path) = 0;
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@ -121,7 +125,6 @@ extern boost::shared_ptr<StoreAPI> store;
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boost::shared_ptr<StoreAPI> openStore(bool reserveSpace = true);
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boost::shared_ptr<StoreAPI> openStore(bool reserveSpace = true);
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}
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}
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@ -10,8 +10,15 @@ typedef enum {
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wopQuit,
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wopQuit,
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wopIsValidPath,
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wopIsValidPath,
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wopQuerySubstitutes,
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wopQuerySubstitutes,
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wopHasSubstitutes,
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wopQueryPathHash,
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wopQueryReferences,
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wopQueryReferrers,
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wopAddToStore,
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wopAddToStore,
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wopAddToStoreFixed,
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wopAddTextToStore,
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wopAddTextToStore,
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wopBuildDerivations,
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wopEnsurePath,
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} WorkerOp;
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} WorkerOp;
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@ -48,6 +48,14 @@ void writeString(const string & s, Sink & sink)
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}
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}
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void writeStringSet(const StringSet & ss, Sink & sink)
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{
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writeInt(ss.size(), sink);
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for (StringSet::iterator i = ss.begin(); i != ss.end(); ++i)
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writeString(*i, sink);
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}
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void readPadding(unsigned int len, Source & source)
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void readPadding(unsigned int len, Source & source)
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{
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{
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if (len % 8) {
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if (len % 8) {
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@ -84,4 +92,14 @@ string readString(Source & source)
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}
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}
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StringSet readStringSet(Source & source)
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{
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unsigned int count = readInt(source);
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StringSet ss;
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while (count--)
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ss.insert(readString(source));
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return ss;
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}
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}
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}
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@ -69,12 +69,14 @@ struct FdSource : Source
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void writePadding(unsigned int len, Sink & sink);
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void writePadding(unsigned int len, Sink & sink);
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void writeInt(unsigned int n, Sink & sink);
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void writeInt(unsigned int n, Sink & sink);
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void writeString(const string & s, Sink & sink);
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void writeString(const string & s, Sink & sink);
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void writeStringSet(const StringSet & ss, Sink & sink);
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void readPadding(unsigned int len, Source & source);
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void readPadding(unsigned int len, Source & source);
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unsigned int readInt(Source & source);
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unsigned int readInt(Source & source);
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string readString(Source & source);
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string readString(Source & source);
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StringSet readStringSet(Source & source);
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}
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}
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@ -832,18 +832,18 @@ static void opQuery(Globals & globals,
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XMLAttrs attrs;
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XMLAttrs attrs;
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if (printStatus) {
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if (printStatus) {
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Substitutes subs = store->querySubstitutes(i->queryOutPath(globals.state));
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bool hasSubs = store->hasSubstitutes(i->queryOutPath(globals.state));
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bool isInstalled = installed.find(i->queryOutPath(globals.state)) != installed.end();
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bool isInstalled = installed.find(i->queryOutPath(globals.state)) != installed.end();
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bool isValid = store->isValidPath(i->queryOutPath(globals.state));
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bool isValid = store->isValidPath(i->queryOutPath(globals.state));
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if (xmlOutput) {
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if (xmlOutput) {
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attrs["installed"] = isInstalled ? "1" : "0";
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attrs["installed"] = isInstalled ? "1" : "0";
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attrs["valid"] = isValid ? "1" : "0";
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attrs["valid"] = isValid ? "1" : "0";
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attrs["substitutable"] = !subs.empty() ? "1" : "0";
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attrs["substitutable"] = hasSubs ? "1" : "0";
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} else
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} else
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columns.push_back(
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columns.push_back(
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(string) (isInstalled ? "I" : "-")
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(string) (isInstalled ? "I" : "-")
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+ (isValid ? "P" : "-")
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+ (isValid ? "P" : "-")
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+ (!subs.empty() ? "S" : "-"));
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+ (hasSubs ? "S" : "-"));
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}
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}
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if (xmlOutput)
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if (xmlOutput)
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@ -8,6 +8,23 @@
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using namespace nix;
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using namespace nix;
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Path readStorePath(Source & from)
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{
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Path path = readString(from);
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assertStorePath(path);
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return path;
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}
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PathSet readStorePaths(Source & from)
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{
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PathSet paths = readStringSet(from);
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for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
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assertStorePath(*i);
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return paths;
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}
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void processConnection(Source & from, Sink & to)
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void processConnection(Source & from, Sink & to)
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{
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{
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store = boost::shared_ptr<StoreAPI>(new LocalStore(true));
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store = boost::shared_ptr<StoreAPI>(new LocalStore(true));
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@ -35,12 +52,29 @@ void processConnection(Source & from, Sink & to)
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break;
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break;
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case wopIsValidPath: {
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case wopIsValidPath: {
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Path path = readString(from);
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Path path = readStorePath(from);
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assertStorePath(path);
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writeInt(store->isValidPath(path), to);
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writeInt(store->isValidPath(path), to);
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break;
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break;
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}
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}
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case wopHasSubstitutes: {
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Path path = readStorePath(from);
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writeInt(store->hasSubstitutes(path), to);
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break;
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}
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case wopQueryReferences:
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case wopQueryReferrers: {
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Path path = readStorePath(from);
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PathSet paths;
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if (op == wopQueryReferences)
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store->queryReferences(path, paths);
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else
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store->queryReferrers(path, paths);
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writeStringSet(paths, to);
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break;
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}
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case wopAddToStore: {
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case wopAddToStore: {
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/* !!! uberquick hack */
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/* !!! uberquick hack */
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string baseName = readString(from);
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string baseName = readString(from);
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@ -55,17 +89,25 @@ void processConnection(Source & from, Sink & to)
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case wopAddTextToStore: {
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case wopAddTextToStore: {
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string suffix = readString(from);
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string suffix = readString(from);
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string s = readString(from);
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string s = readString(from);
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unsigned int refCount = readInt(from);
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PathSet refs = readStorePaths(from);
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PathSet refs;
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while (refCount--) {
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Path ref = readString(from);
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assertStorePath(ref);
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refs.insert(ref);
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}
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writeString(store->addTextToStore(suffix, s, refs), to);
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writeString(store->addTextToStore(suffix, s, refs), to);
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break;
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break;
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}
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}
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||||||
|
case wopBuildDerivations: {
|
||||||
|
PathSet drvs = readStorePaths(from);
|
||||||
|
store->buildDerivations(drvs);
|
||||||
|
writeInt(1, to);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case wopEnsurePath: {
|
||||||
|
Path path = readStorePath(from);
|
||||||
|
store->ensurePath(path);
|
||||||
|
writeInt(1, to);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
default:
|
default:
|
||||||
throw Error(format("invalid operation %1%") % op);
|
throw Error(format("invalid operation %1%") % op);
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue