Merge pull request #11008 from koor-tech/use_script_for_latest_release

build/release/Makefile

@@ -20,7 +20,6 @@ include ../makelib/helm.mk
 # ====================================================================================
 # Options
 
-LATEST_DOCS_BRANCH=release-1.10
 CHANNEL ?= master
 ifeq ($(filter master release,$(CHANNEL)),)
 $(error invalid channel $(CHANNEL))
@@ -40,7 +39,7 @@ else
 DOCS_VERSION := $(shell echo $(BRANCH_NAME) | sed -E "s/^release\-([0-9]+)\.([0-9]+)$$/v\1.\2/g")
 endif
 
-ifeq ($(shell echo $(BRANCH_NAME)),$(LATEST_DOCS_BRANCH))
+ifeq ($(shell echo $(BRANCH_NAME)),$(shell $(ROOT_DIR)/build/release/latest_release_branch.sh))
 DOCS_VERSION_ALIAS := latest-release
 else
 DOCS_VERSION_ALIAS :=

build/release/latest_release_branch.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -eEuo pipefail
+
+# Get list of release- branches
+RELEASE_BRANCHES="$(git branch -r | grep -v mergify | grep '/release-' | cut -d'/' -f2 | sort | uniq)"
+LATEST_RELEASE_BRANCH=""
+MAX_TRIES=2
+
+TRY=1
+until [ -n "${LATEST_RELEASE_BRANCH}" ] || [ ${TRY} -gt ${MAX_TRIES} ]; do
+    LATEST_RELEASE_BRANCH="$(echo "${RELEASE_BRANCHES}" | sort --version-sort | tail -n 1 | cut -d'/' -f2)"
+    BRANCH_VERSION="v$(echo "${LATEST_RELEASE_BRANCH}" | cut -d'-' -f2-)"
+
+    # Get tags for the release version and filter out any alpha or beta versions
+    set +o pipefail
+    set +e
+    TAGS="$(git tag | grep -F "${BRANCH_VERSION}.0" | grep -Ev "alpha|beta")"
+    set -o pipefail
+    set -e
+
+    # If the list is empty remove last line from $RELEASE_BRANCHES and
+    # clear $LATEST_RELEASE_BRANCH var
+    if [ -z "${TAGS}" ]; then
+        LATEST_RELEASE_BRANCH=""
+        RELEASE_BRANCHES="$(echo "${RELEASE_BRANCHES}" | sed '$d')"
+    fi
+    (( TRY++ ))
+done
+
+if [ -z "${LATEST_RELEASE_BRANCH}" ]; then
+    echo "Failed to find latest released release branch!"
+    exit 1
+fi
+
+echo "${LATEST_RELEASE_BRANCH}"