set_versions: Add a getlatest command to obtain the latest release branch name

This will allow the autobuilder-helper run-docs-build script to obtain
the latest release name.

(From yocto-docs rev: 733b7f301e44010579e1315f19eff737628d635e)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/documentation/set_versions.py b/documentation/set_versions.py
index 33d9da55ea..cd02cc739e 100755
--- a/documentation/set_versions.py
+++ b/documentation/set_versions.py
@@ -27,6 +27,11 @@ activereleases = ["kirkstone", "honister", "hardknott", "dunfell"]
 devbranch = "langdale"
 ltsseries = ["kirkstone", "dunfell"]
 
+# used by run-docs-builds to get the default page
+if ourversion == "getlatest":
+    print(activereleases[0])
+    sys.exit(0)
+
 release_series = collections.OrderedDict()
 release_series["langdale"] = "4.1"
 release_series["kirkstone"] = "4.0"