From 93e9830ce63da6f19add15a547a7a77bc793224e Mon Sep 17 00:00:00 2001
From: Carlos Alexandro Becker <caarlos0@gmail.com>
Date: Tue, 4 Jul 2017 22:00:48 -0300
Subject: [PATCH] throttling file uploads

---
 pipeline/release/release.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pipeline/release/release.go b/pipeline/release/release.go
index 23a1fe92a..15f85867b 100644
--- a/pipeline/release/release.go
+++ b/pipeline/release/release.go
@@ -42,9 +42,14 @@ func doRun(ctx *context.Context, client client.Client) error {
 		return err
 	}
 	var g errgroup.Group
+	sem := make(chan bool, 4)
 	for _, artifact := range ctx.Artifacts {
+		sem <- true
 		artifact := artifact
 		g.Go(func() error {
+			defer func() {
+				<-sem
+			}()
 			return upload(ctx, client, releaseID, artifact)
 		})
 	}