--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mozilla-bmo1233434.patch Sat Dec 26 13:34:28 2015 +0100
@@ -0,0 +1,45 @@
+
+# HG changeset patch
+# User Aidin Gharibnavaz <aidin@aidinhut.com>
+# Date 1450550460 -12600
+# Node ID 07ec362866977f37e638fc88e3079621fd7aef96
+# Parent cb66ffeb6725e8344818e8e2f707ae2eaeb953b4
+Bug 1233434 - Fixing download failure on a multi-user GNU/Linux machine. r?bagder
+
+diff -r cb66ffeb6725 -r 07ec36286697 uriloader/exthandler/nsExternalHelperAppService.cpp
+--- a/uriloader/exthandler/nsExternalHelperAppService.cpp Tue Dec 15 14:45:06 2015 +0100
++++ b/uriloader/exthandler/nsExternalHelperAppService.cpp Sat Dec 19 22:11:00 2015 +0330
+@@ -416,12 +416,12 @@
+ const char* userName = PR_GetEnv("USERNAME");
+ if (!userName || !*userName) {
+ userName = PR_GetEnv("USER");
+- if (!userName || !*userName) {
+- userName = PR_GetEnv("LOGNAME");
+- }
+- else {
+- userName = "mozillaUser";
+- }
++ }
++ if (!userName || !*userName) {
++ userName = PR_GetEnv("LOGNAME");
++ }
++ if (!userName || !*userName) {
++ userName = "mozillaUser";
+ }
+
+ nsAutoString userDir;
+@@ -447,7 +447,12 @@
+ rv = finalPath->GetPermissions(&permissions);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+- if (permissions == PR_IRWXU) {
++ // Ensuring the path is writable by the current user.
++ bool isWritable;
++ rv = finalPath->IsWritable(&isWritable);
++ NS_ENSURE_SUCCESS(rv, rv);
++
++ if (permissions == PR_IRWXU && isWritable) {
+ dir = finalPath;
+ break;
+ }
+