Job details won't scroll horizontally to show long lines

app/assets/javascripts/build.js

@@ -196,6 +196,7 @@ window.Build = (function () {
     })
       .done((log) => {
         gl.utils.setCiStatusFavicon(`${this.pageUrl}/status.json`);
+
         if (log.state) {
           this.state = log.state;
         }
@@ -220,7 +221,11 @@ window.Build = (function () {
         }
 
         if (!log.complete) {
+          if (!this.hasBeenScrolled) {
             this.toggleScrollAnimation(true);
+          } else {
+            this.toggleScrollAnimation(false);
+          }
 
           Build.timeout = setTimeout(() => {
             //eslint-disable-next-line

app/assets/stylesheets/pages/builds.scss

@@ -147,10 +147,9 @@
     top: 35px;
     left: 10px;
     bottom: 0;
-    overflow-y: scroll;
-    overflow-x: hidden;
     padding: 10px 20px 20px 5px;
-    white-space: pre;
+    white-space: pre-wrap;
+    overflow: auto;
   }
 
   .environment-information {