handle Errno::ENOTSUP in Bundler process lock filecolby/process-lock-enotsup

2 files changed, 12 insertions, 1 deletions

diff --git a/lib/bundler/process_lock.rb b/lib/bundler/process_lock.rb
index 4bd6931577..cba4fcdba5 100644
--- a/lib/bundler/process_lock.rb
+++ b/lib/bundler/process_lock.rb
@@ -12,7 +12,7 @@ module Bundler
         yield
         f.flock(File::LOCK_UN)
       end
-    rescue Errno::EACCES, Errno::ENOLCK
+    rescue Errno::EACCES, Errno::ENOLCK, *[SharedHelpers.const_get_safely(:ENOTSUP, Errno)].compact
       # In the case the user does not have access to
       # create the lock file or is using NFS where
       # locks are not available we skip locking.
diff --git a/spec/install/process_lock_spec.rb b/spec/install/process_lock_spec.rb
index 02217f493b..be8fd04fdd 100644
--- a/spec/install/process_lock_spec.rb
+++ b/spec/install/process_lock_spec.rb
@@ -20,5 +20,16 @@ RSpec.describe "process lock spec" do
       thread.join
       expect(the_bundle).to include_gems "rack 1.0"
     end
+
+    context "when creating a lock raises Errno::ENOTSUP", :ruby => ">= 1.9" do
+      before { allow(File).to receive(:open).and_raise(Errno::ENOTSUP) }
+
+      it "skips creating the lock file and yields" do
+        processed = false
+        Bundler::ProcessLock.lock(default_bundle_path) { processed = true }
+
+        expect(processed).to eq true
+      end
+    end
   end
 end