Fix race when opening first 2 Urchin instances

Fixes #23. Tested-by: Mark Somerville <mark@scottishclimbs.com> [Arch, MRI 2.2.2] Signed-off-by: Mark Somerville <mark@scottishclimbs.com>
Spakman · Jun 29, 2015 · 8a54c1e · 8a54c1e
1 parent 2b8dce7
commit 8a54c1e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/environment.rb b/environment.rb
@@ -11,7 +11,10 @@
   Urchin::TMP_DIR = "/tmp/.urchin"
   STDERR.puts "XDG_RUNTIME_DIR is not writable - using #{Urchin::TMP_DIR} instead."
 end
-FileUtils.mkdir Urchin::TMP_DIR unless File.directory? Urchin::TMP_DIR
+begin
+  FileUtils.mkdir Urchin::TMP_DIR unless File.directory? Urchin::TMP_DIR
+rescue Errno::EEXIST
+end
 
 # Start in the last changed to directory.
 Urchin::Builtins::Cd::LAST_DIR = "#{Urchin::TMP_DIR}/lastdir"