Restore fetch-gn instructions.

The automatic DEPS hook doesn't actually work with the checkout instructions we have on the site.

BUG=skia:6058

NOTRY=true
DOCS_PREVIEW= https://skia.org/?cl=6180

Change-Id: Ib1caa617791d3de2b60ddf00fed24d28fd9f83d1
Reviewed-on: https://skia-review.googlesource.com/6180
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>

diff --git a/site/user/build.md b/site/user/build.md
index 37a17b6..df17ffe 100644 (file)
--- a/site/user/build.md
+++ b/site/user/build.md
@@ -14,6 +14,10 @@ them.
 Quickstart
 ----------
 
+After gclient sync, run `fetch-gn` to make sure you have GN.
+
+    gclient sync && python bin/fetch-gn
+
 Run GN to generate your build files.
 
     gn gen out/Static --args='is_official_build=true'