CI: enable bodyclose linter

.golangci.yml

@@ -35,6 +35,9 @@ linters:
     # parse and typecheck code
     - typecheck
 
+    # ensure that http response bodies are closed
+    - bodyclose
+
 issues:
   # don't use the default exclude rules, this hides (among others) ignored
   # errors from Close() calls

internal/backend/limiter/static_limiter_test.go

@@ -118,6 +118,7 @@ func TestRoundTripperReader(t *testing.T) {
 	test.Assert(t, bytes.Equal(data, out.Bytes()), "data ping-pong failed")
 }
 
+// nolint:bodyclose // the http response is just a mock
 func TestRoundTripperCornerCases(t *testing.T) {
 	limiter := NewStaticLimiter(Limits{42 * 1024, 42 * 1024})
 

internal/backend/rclone/backend.go

@@ -252,6 +252,7 @@ func newBackend(ctx context.Context, cfg Config, lim limiter.Limiter) (*Backend,
 		return nil, fmt.Errorf("error talking HTTP to rclone: %w", err)
 	}
 
+	_ = res.Body.Close()
 	debug.Log("HTTP status %q returned, moving instance to background", res.Status)
 	err = bg()
 	if err != nil {