# HG changeset patch
# User Ted Unangst <tedu@tedunangst.com>
# Date 1717654946 14400
#      Thu Jun 06 02:22:26 2024 -0400
# Node ID da9bb780df2ef0eae99949fa1fccb83f4d747d15
# Parent  2963f5fa2a131aac88d15e0fb3db80bc42c6099b
fix some bugs in fetch tracker

diff --git a/web.go b/web.go
--- a/web.go
+++ b/web.go
@@ -1230,7 +1230,7 @@
 	dlog.Printf("saved %d new fetches", count)
 }
 
-var trackchan = make(chan Track)
+var trackchan = make(chan Track, 4)
 var dumptracks = make(chan chan bool)
 
 func tracker() {
@@ -1251,11 +1251,13 @@
 		case c := <-dumptracks:
 			if len(tracks) > 0 {
 				savetracks(tracks)
+				tracks = make(map[string][]string)
 			}
 			c <- true
 		case <-endoftheworld:
 			if len(tracks) > 0 {
 				savetracks(tracks)
+				tracks = make(map[string][]string)
 			}
 			readyalready <- true
 			return
@@ -1277,7 +1279,10 @@
 func trackback(xid string, r *http.Request) {
 	who := requestActor(r)
 	if who != "" {
-		trackchan <- Track{xid: xid, who: who}
+		select {
+		case trackchan <- Track{xid: xid, who: who}:
+		default:
+		}
 	}
 }