feat: add renovate shared config

.gitlab/scripts/update-opentofu-versions.sh

@@ -16,7 +16,26 @@ for relative_template_file in $templates; do
   tmp_template_file1=$(mktemp)
   tmp_template_file2=$(mktemp)
   echo "Updating $template_file ... "
-  yq eval-all 'select(fileIndex == 0 and document_index == 0).spec.inputs.opentofu_version.default = select(fileIndex == 1).".data".latest_version | select(fileIndex == 0)' "$template_file" "$project_dir/opentofu_versions.yaml" > "$tmp_template_file1"
-  yq eval-all 'select(fileIndex == 0 and document_index == 0).spec.inputs.opentofu_version.options = (select(fileIndex == 1).".data".hack_templates_supported_versions | explode(.) | flatten) | select(fileIndex == 0)' "$tmp_template_file1" "$project_dir/opentofu_versions.yaml" > "$tmp_template_file2"
+  yq eval-all '
+    select(fileIndex == 0 and document_index == 0).spec.inputs.opentofu_version.default
+     = select(fileIndex == 1).".data".latest_version
+     | select(fileIndex == 0)
+    ' "$template_file" "$project_dir/opentofu_versions.yaml" > "$tmp_template_file1"
+  yq eval-all '
+    select(fileIndex == 0 and document_index == 0).spec.inputs.opentofu_version.options
+     = (select(fileIndex == 1).".data".hack_templates_supported_versions
+       | explode(.)
+       | flatten
+     ) | select(fileIndex == 0)
+  ' "$tmp_template_file1" "$project_dir/opentofu_versions.yaml" > "$tmp_template_file2"
   diff -Bw "$template_file" "$tmp_template_file2" | patch "$template_file" -
 done
+
+renovate_config="default.json"
+echo "Updating Renovate config $renovate_config ... "
+yq eval-all -p yaml -I4 -o json -i '
+    select(fileIndex == 0 and documentIndex == 0).packageRules[0].allowedVersions
+     = "<="
+     + select(fileIndex == 1 and documentIndex == 0).".data".latest_version
+     | select(fileIndex == 0)
+  ' "$renovate_config" "$project_dir/opentofu_versions.yaml"

default.json

+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "description": "Renovate configuration for OpenTofu versioning with CI/CD Components",
+    "packageRules": [
+        {
+            "matchDepNames": [
+                "opentofu/opentofu"
+            ],
+            "fileMatch": [
+                "\\.gitlab-ci\\.ya?ml",
+                "templates/.*\\.ya?ml"
+            ],
+            "allowedVersions": "<=1.8.2"
+        }
+    ],
+    "customManagers": [
+        {
+            "customType": "regex",
+            "fileMatch": [
+                "\\.gitlab-ci\\.ya?ml",
+                "templates/.*\\.ya?ml"
+            ],
+            "matchStrings": [
+                "opentofu_version:\\s*['\"](?<currentValue>[^'\"]+)['\"]"
+            ],
+            "datasourceTemplate": "github-tags",
+            "depNameTemplate": "opentofu/opentofu",
+            "versioningTemplate": "semver",
+            "extractVersionTemplate": "^v(?<version>.*)$"
+        }
+    ]
+}