[fuchsia] Add recommendation for--no-history fetch for faster checkouts.
Revises the documentation to recommend performing shallow Git clones
for developers that don't need past Git revision data.
Change-Id: Ie8fc727aafff063cbed752da8137c5c479fbbc8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3328363
Reviewed-by: Fabrice de Gans <[email protected]>
Commit-Queue: Kevin Marshall <[email protected]>
Auto-Submit: Kevin Marshall <[email protected]>
Cr-Commit-Position: refs/heads/main@{#962027}
diff --git a/docs/fuchsia/build_instructions.md b/docs/fuchsia/build_instructions.md
index e2974fec..9444110 100644
--- a/docs/fuchsia/build_instructions.md
+++ b/docs/fuchsia/build_instructions.md
@@ -92,14 +92,21 @@
```
Run the `fetch` tool from depot_tools to check out the code and its
-dependencies.
+dependencies. Depending on your needs, you can check out Chromium along with
+all of its previous revisions, or you can just check out the latest trunk.
+Omitting the history is much faster to download and requires much less disk
+space. If you are checking out on a slow or metered Internet connection,
+you should consider omitting history.
+* **No Git version history - faster**
```shell
-$ fetch --nohooks chromium
-```
+ $ fetch --nohooks --no-history chromium
+ ```
-Expect the command to take 30 minutes on even a fast connection, and many hours
-on slower ones.
+* **With Git version history - slower (up to 30m on fast connection)**
+ ```shell
+ $ fetch --nohooks chromium
+ ```
If you've already installed the build dependencies on the machine (from another
checkout, for example), you can omit the `--nohooks` flag and `fetch` will
