Merge pull request #3829 from obsidiansystems/remove-storetype-delegate-regStore

Remove storetype delegate reg store -- contains #3736

src/libstore/remote-store.cc

@@ -97,7 +97,16 @@ RemoteStore::RemoteStore(const Params & params)
     , RemoteStoreConfig(params)
     , connections(make_ref<Pool<Connection>>(
             std::max(1, (int) maxConnections),
-            [this]() { return openConnectionWrapper(); },
+            [this]() {
+                auto conn = openConnectionWrapper();
+                try {
+                    initConnection(*conn);
+                } catch (...) {
+                    failed = true;
+                    throw;
+                }
+                return conn;
+            },
             [this](const ref<Connection> & r) {
                 return
                     r->to.good()
@@ -182,8 +191,6 @@ ref<RemoteStore::Connection> UDSRemoteStore::openConnection()
 
     conn->startTime = std::chrono::steady_clock::now();
 
-    initConnection(*conn);
-
     return conn;
 }
 

src/libstore/remote-store.hh

@@ -106,8 +106,6 @@ public:
 
     void flushBadConnections();
 
-protected:
-
     struct Connection
     {
         AutoCloseFD fd;
@@ -123,6 +121,8 @@ protected:
 
     ref<Connection> openConnectionWrapper();
 
+protected:
+
     virtual ref<Connection> openConnection() = 0;
 
     void initConnection(Connection & conn);

src/libstore/ssh-store.cc

@@ -80,7 +80,6 @@ ref<RemoteStore::Connection> SSHStore::openConnection()
         + (remoteStore.get() == "" ? "" : " --store " + shellEscape(remoteStore.get())));
     conn->to = FdSink(conn->sshConn->in.get());
     conn->from = FdSource(conn->sshConn->out.get());
-    initConnection(*conn);
     return conn;
 }
 

src/libstore/store-api.cc

@@ -1040,38 +1040,26 @@ static bool isNonUriPath(const std::string & spec) {
         && spec.find("/") != std::string::npos;
 }
 
-StoreType getStoreType(const std::string & uri, const std::string & stateDir)
-{
-    if (uri == "daemon") {
-        return tDaemon;
-    } else if (uri == "local" || isNonUriPath(uri)) {
-        return tLocal;
-    } else if (uri == "" || uri == "auto") {
-        if (access(stateDir.c_str(), R_OK | W_OK) == 0)
-            return tLocal;
-        else if (pathExists(settings.nixDaemonSocketFile))
-            return tDaemon;
-        else
-            return tLocal;
-    } else {
-        return tOther;
-    }
-}
-
 std::shared_ptr<Store> openFromNonUri(const std::string & uri, const Store::Params & params)
 {
-    switch (getStoreType(uri, get(params, "state").value_or(settings.nixStateDir))) {
-        case tDaemon:
-            return std::shared_ptr<Store>(std::make_shared<UDSRemoteStore>(params));
-        case tLocal: {
-            Store::Params params2 = params;
-            if (isNonUriPath(uri)) {
-                params2["root"] = absPath(uri);
-            }
-            return std::shared_ptr<Store>(std::make_shared<LocalStore>(params2));
-        }
-        default:
-            return nullptr;
+    if (uri == "" || uri == "auto") {
+        auto stateDir = get(params, "state").value_or(settings.nixStateDir);
+        if (access(stateDir.c_str(), R_OK | W_OK) == 0)
+            return std::make_shared<LocalStore>(params);
+        else if (pathExists(settings.nixDaemonSocketFile))
+            return std::make_shared<UDSRemoteStore>(params);
+        else
+            return std::make_shared<LocalStore>(params);
+    } else if (uri == "daemon") {
+        return std::make_shared<UDSRemoteStore>(params);
+    } else if (uri == "local") {
+        return std::make_shared<LocalStore>(params);
+    } else if (isNonUriPath(uri)) {
+        Store::Params params2 = params;
+        params2["root"] = absPath(uri);
+        return std::make_shared<LocalStore>(params2);
+    } else {
+        return nullptr;
     }
 }
 

src/libstore/store-api.hh

@@ -791,16 +791,6 @@ ref<Store> openStore(const std::string & uri = settings.storeUri.get(),
     const Store::Params & extraParams = Store::Params());
 
 
-enum StoreType {
-    tDaemon,
-    tLocal,
-    tOther
-};
-
-
-StoreType getStoreType(const std::string & uri = settings.storeUri.get(),
-    const std::string & stateDir = settings.nixStateDir);
-
 /* Return the default substituter stores, defined by the
    ‘substituters’ option and various legacy options. */
 std::list<ref<Store>> getDefaultSubstituters();