disable template cache in interactive session

pollen/private/ts.rktd

@@ -1 +1 @@
-1595187053
+1599432650

pollen/render.rkt

@@ -409,13 +409,7 @@
                         [(->output-path source-path)]
                         [else #false]))
   (define key (template-cache-key source-path output-path))
-  (hash-ref! ram-cache
-             ;; within a session, this will prevent repeat players like "template.html.p"
-             ;; from hitting the file cache repeatedly
-             key
-             (λ ()
-               (cache-ref! key
-                           (λ ()  
+  (define (cache-thunk)
     (match source-path
       [(or (? markup-source?) (? markdown-source?))
        ;; output-path may not have an extension
@@ -427,7 +421,14 @@
                             get-default-template
                             get-fallback-template)])
                (file-exists-or-has-source? (proc source-path output-path-ext)))]
-                               [_ #false]))))))
+      [_ #false]))
+  (if (current-session-interactive?)
+      ;; don't cache templates in interactive session, for fresher reloads
+      ;; this makes it possible to add template and have it show up in next render
+      (cache-thunk)
+      ;; otherwise, within a rendering session, this will prevent repeat players like "template.html.p"
+      ;; from hitting the file cache repeatedly
+      (hash-ref! ram-cache key (λ () (cache-ref! key cache-thunk)))))
 
 (module-test-external
  (require pollen/setup sugar/file sugar/coerce)