Rename 8.x branch to 8.19

.backportrc.json

@@ -1,10 +1,9 @@
 {
   "upstream" : "elastic/elasticsearch",
-  "targetBranchChoices" : [ "main", "8.x", "8.18", "8.17", "8.16", "8.15", "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "6.8" ],
+  "targetBranchChoices" : [ "main", "9.0", "8.19", "8.18", "8.17", "8.16", "8.15", "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "6.8" ],
   "targetPRLabels" : [ "backport" ],
   "branchLabelMapping" : {
-    "^v9.0.0$" : "main",
-    "^v8.19.0$" : "8.x",
+    "^v9.1.0$" : "main",
     "^v(\\d+).(\\d+).\\d+(?:-(?:alpha|beta|rc)\\d+)?$" : "$1.$2"
   }
 }

.buildkite/pipelines/periodic.template.yml

@@ -217,7 +217,7 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n2-standard-8
       buildDirectory: /dev/shm/bk
-    if: build.branch == "main" || build.branch == "8.x" || build.branch == "7.17"
+    if: build.branch == "main" || build.branch == "8.19" || build.branch == "7.17"
   - label: check-branch-consistency
     command: .ci/scripts/run-gradle.sh branchConsistency
     timeout_in_minutes: 15

.buildkite/pipelines/periodic.yml

@@ -940,7 +940,7 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n2-standard-8
       buildDirectory: /dev/shm/bk
-    if: build.branch == "main" || build.branch == "8.x" || build.branch == "7.17"
+    if: build.branch == "main" || build.branch == "8.19" || build.branch == "7.17"
   - label: check-branch-consistency
     command: .ci/scripts/run-gradle.sh branchConsistency
     timeout_in_minutes: 15

.buildkite/scripts/lucene-snapshot/update-branch.sh

@@ -10,7 +10,7 @@ fi
 if [[ "$BUILDKITE_BRANCH" == "lucene_snapshot_10" ]]; then
   UPSTREAM="main"
 elif [[ "$BUILDKITE_BRANCH" == "lucene_snapshot" ]]; then
-  UPSTREAM="8.x"
+  UPSTREAM="8.19"
 else
   echo "Error: unknown branch: $BUILDKITE_BRANCH"
   exit 1

.ci/scripts/resolve-dra-manifest.sh

@@ -24,11 +24,6 @@ if [ "$LATEST_VERSION" != "$ES_VERSION" ]; then
   echo "Latest build for '$ARTIFACT' is version $LATEST_VERSION but expected version $ES_VERSION." 1>&2
   NEW_BRANCH=$(echo $ES_VERSION | sed -E "s/([0-9]+\.[0-9]+)\.[0-9]/\1/g")
 
-  # Temporary
-  if [[ "$ES_VERSION" == "8.16.0" ]]; then
-    NEW_BRANCH="8.x"
-  fi
-
   echo "Using branch $NEW_BRANCH instead of $BRANCH." 1>&2
   LATEST_BUILD=$(fetch_build $WORKFLOW $ARTIFACT $NEW_BRANCH)
 fi

branches.json

@@ -8,13 +8,13 @@
       "branch": "9.0"
     },
     {
-      "branch": "8.18"
+      "branch": "8.19"
     },
     {
-      "branch": "8.17"
+      "branch": "8.18"
     },
     {
-      "branch": "8.x"
+      "branch": "8.17"
     },
     {
       "branch": "7.17"

build.gradle

@@ -207,14 +207,6 @@ tasks.register("verifyVersions") {
         throw new GradleException("No branch choice exists for development branch ${unreleasedVersion.branch} in .backportrc.json.")
       }
     }
-    String versionMapping = backportConfig.get("branchLabelMapping").fields().find { it.value.textValue() == '8.x' }.key
-    String expectedMapping = "^v${versions.elasticsearch.replaceAll('-SNAPSHOT', '')}\$"
-    if (versionMapping != expectedMapping) {
-      throw new GradleException(
-        "Backport label mapping for branch '8.x' is '${versionMapping}' but should be " +
-          "'${expectedMapping}'. Update .backportrc.json."
-      )
-    }
   }
 }