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Tweak //docs/building_old_revisions to mention branch heads.

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A contributor helpfully noted that you may need to run
`gclient sync --with_branch_heads` when trying to build
an old revision, so this updates the doc.

Change-Id: I64f70f2fa756187f8b1d57802aa1ed1e6bdb29f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2660155
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Cr-Commit-Position: refs/heads/master@{#848831}
This commit is contained in:
Dirk Pranke
2021-01-30 01:23:06 +00:00
committed by Chromium LUCI CQ
parent 034d82bcfa
commit 6bc6041fda
1 changed files with 9 additions and 0 deletions

9
docs/building_old_revisions.md

@@ -47,6 +47,15 @@ required:
$ gclient sync -D --force --reset $ gclient sync -D --force --reset
``` ```
Note that if you are attempting to build an old revision that is on a branch,
you will need to use:
```shell
$ gclient sync -D --force --reset --with_branch_heads
```
instead.
**Warning: `gclient sync` may overwrite the URL of your `origin` remote** if it **Warning: `gclient sync` may overwrite the URL of your `origin` remote** if it
encounters problems. You'll notice this when Git starts thinking everything is encounters problems. You'll notice this when Git starts thinking everything is
"untracked" or "deleted". If this happens, fix and fetch the remote before "untracked" or "deleted". If this happens, fix and fetch the remote before