From 25adc03b601e4016e2e0dd674c2e447bb702ba4c Mon Sep 17 00:00:00 2001
From: Anderson Queiroz <anderson.queiroz@elastic.co>
Date: Fri, 9 Jun 2023 11:56:39 +0200
Subject: [PATCH] add doc-site-branch to version.asciidoc and settings.go
 (#35693)

---
 dev-tools/mage/settings.go    | 9 +++++----
 libbeat/docs/version.asciidoc | 3 +++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/dev-tools/mage/settings.go b/dev-tools/mage/settings.go
index 0fe010877f0..2e82c6d6c0d 100644
--- a/dev-tools/mage/settings.go
+++ b/dev-tools/mage/settings.go
@@ -386,10 +386,11 @@ func beatVersion() (string, error) {
 }
 
 var (
-	beatDocBranchRegex = regexp.MustCompile(`(?m)doc-branch:\s*([^\s]+)\r?$`)
-	beatDocBranchValue string
-	beatDocBranchErr   error
-	beatDocBranchOnce  sync.Once
+	beatDocBranchRegex     = regexp.MustCompile(`(?m)doc-branch:\s*([^\s]+)\r?$`)
+	beatDocSiteBranchRegex = regexp.MustCompile(`(?m)doc-site-branch:\s*([^\s]+)\r?$`)
+	beatDocBranchValue     string
+	beatDocBranchErr       error
+	beatDocBranchOnce      sync.Once
 )
 
 // BeatDocBranch returns the documentation branch name associated with the
diff --git a/libbeat/docs/version.asciidoc b/libbeat/docs/version.asciidoc
index 191e466d955..d3261c6d65c 100644
--- a/libbeat/docs/version.asciidoc
+++ b/libbeat/docs/version.asciidoc
@@ -1,5 +1,8 @@
 :stack-version: 8.9.0
 :doc-branch: main
+// FIXME: once elastic.co docs have been switched over to use `main`, remove
+// the `doc-site-branch` line below as well as any references to it in the code.
+:doc-site-branch: master
 :go-version: 1.19.9
 :release-state: unreleased
 :python: 3.7