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-rw-r--r--src/libstore/remote-store.cc22
-rw-r--r--src/nix-daemon/nix-daemon.cc6
2 files changed, 19 insertions, 9 deletions
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 177b8e7afdfd..3b021bb2a50c 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -402,11 +402,23 @@ Path RemoteStore::addToStore(const Path & _srcPath,
     writeInt((hashAlgo == htSHA256 && recursive) ? 0 : 1, to);
     writeInt(recursive ? 1 : 0, to);
     writeString(printHashType(hashAlgo), to);
-    to.written = 0;
-    to.warn = true;
-    dumpPath(srcPath, to, filter);
-    to.warn = false;
-    processStderr();
+
+    try {
+        to.written = 0;
+        to.warn = true;
+        dumpPath(srcPath, to, filter);
+        to.warn = false;
+        processStderr();
+    } catch (SysError & e) {
+        /* Daemon closed while we were sending the path. Probably OOM
+           or I/O error. */
+        if (e.errNo == EPIPE)
+            try {
+                processStderr();
+            } catch (EndOfFile & e) { }
+        throw;
+    }
+
     return readStorePath(from);
 }
 
diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index 8814fe3155e1..0464ac9653e9 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -735,12 +735,10 @@ static void processConnection(bool trusted)
                during addTextToStore() / importPath().  If that
                happens, just send the error message and exit. */
             bool errorAllowed = canSendStderr;
-            if (!errorAllowed) printMsg(lvlError, format("error processing client input: %1%") % e.msg());
             stopWork(false, e.msg(), GET_PROTOCOL_MINOR(clientVersion) >= 8 ? e.status : 0);
-            if (!errorAllowed) break;
+            if (!errorAllowed) throw;
         } catch (std::bad_alloc & e) {
-            if (canSendStderr)
-                stopWork(false, "Nix daemon out of memory", GET_PROTOCOL_MINOR(clientVersion) >= 8 ? 1 : 0);
+            stopWork(false, "Nix daemon out of memory", GET_PROTOCOL_MINOR(clientVersion) >= 8 ? 1 : 0);
             throw;
         }