Deduplicate git blob ids

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/serve.js b/lib/serve.js
index 562476d..96f8313 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -3418,13 +3418,21 @@ Serve.prototype.wrapPublic = function (opts) {
   })
 }
 
+function uniqueLink() {
+  var seen = {}
+  return function (link) {
+    if (seen[link.link]) return false
+    return seen[link.link] = true
+  }
+}
+
 Serve.prototype.askWantBlobsForm = function (links) {
   var self = this
   return ph('form', {action: '', method: 'post'}, [
     ph('section', [
       ph('h3', 'Missing blobs'),
       ph('p', 'The application needs these blobs to continue:'),
-      ph('table', links.map(u.toLink).map(function (link) {
+      ph('table', links.map(u.toLink).filter(uniqueLink()).map(function (link) {
         if (!u.isRef(link.link)) return
         return ph('tr', [
           ph('td', ph('code', link.link)),