Merge pull request 'chore(deps): update golang docker tag to v1.26.4' (#16) from renovate/golang-1.x into main

Reviewed-on: #15

.woodpecker/renovate.yaml

@@ -46,7 +46,7 @@ steps:
       - bao kv get -mount secret -field GITHUB_COM_TOKEN renovate > /woodpecker/github_com_token
   - name: renovate
     # Renovate's built-in "woodpecker" manager tracks this image automatically.
-    image: renovate/renovate:43.205.3
+    image: renovate/renovate:43.207.4
     environment:
       # --- platform / target ---
       RENOVATE_PLATFORM: gitea

Dockerfile

@@ -19,10 +19,10 @@
 # =============================================================================
 # Stage 1: Build Tailscale combined binary (cross-compiled, runs natively)
 # =============================================================================
-FROM --platform=$BUILDPLATFORM golang:1.26.3-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26.4-alpine@sha256:f23e8b227fb4493eabe03bede4d5a32d04092da71962f1fb79b5f7d1e6c2a17f AS builder
 
-# renovate: datasource=github-releases depName=tailscale packageName=tailscale/tailscale
-ARG TAILSCALE_VERSION=v1.98.3
+# renovate: datasource=github-releases depName=tailscale packageName=tailscale/tailscale versioning=semver
+ARG TAILSCALE_VERSION=v1.98.5
 
 # Provided automatically by buildx for the target platform.
 ARG TARGETOS

renovate.json

@@ -7,6 +7,17 @@
   ],
   "labels": ["dependencies"],
   "rebaseWhen": "behind-base-branch",
+  "customManagers": [
+    {
+      "customType": "regex",
+      "description": "Update version ARGs annotated with a `# renovate:` comment (the dockerfile manager only handles FROM/image lines, not ARG values).",
+      "managerFilePatterns": ["/(^|/)Dockerfile$/"],
+      "matchStrings": [
+        "#\\s*renovate:\\s*datasource=(?<datasource>\\S+)\\s+depName=(?<depName>\\S+)(?:\\s+packageName=(?<packageName>\\S+))?(?:\\s+versioning=(?<versioning>\\S+))?\\s+ARG \\w+=(?<currentValue>\\S+)"
+      ],
+      "matchStringsStrategy": "any"
+    }
+  ],
   "packageRules": [
     {
       "matchManagers": ["dockerfile"],
@@ -16,9 +27,8 @@
     {
       "matchDatasources": ["github-releases"],
       "matchPackageNames": ["tailscale/tailscale"],
-      "description": "TAILSCALE_VERSION ARG: only stable releases. Tailscale uses EVEN minor versions for stable (v1.98.x); ODD minors (v1.99.x) are unstable, so filter to even minors and ignore pre-releases.",
-      "extractVersion": "^v(?<version>\\d+\\.\\d+\\.\\d+)$",
-      "allowedVersions": "/^\\d+\\.\\d*[02468]\\.\\d+$/",
+      "description": "TAILSCALE_VERSION ARG: only stable releases. Tailscale uses EVEN minor versions for stable (v1.98.x); ODD minors (v1.99.x) are unstable, so filter to even minors and ignore pre-releases. The `v` prefix is kept (no extractVersion) so the ARG value stays v-prefixed to match the git tags cloned in the Dockerfile.",
+      "allowedVersions": "/^v\\d+\\.\\d*[02468]\\.\\d+$/",
       "ignoreUnstable": true
     },
     {
@@ -30,8 +40,15 @@
     },
     {
       "matchManagers": ["dockerfile"],
-      "matchPackageNames": ["golang", "alpine", "busybox"],
-      "description": "Automerge PATCH-only bumps of build components (Go/Alpine/busybox) once the PR build passes; review minor/major manually.",
+      "matchPackageNames": ["golang", "alpine"],
+      "description": "Automerge PATCH-only bumps of build components (Go/Alpine) once the PR build passes; review minor/major manually.",
+      "matchUpdateTypes": ["patch"],
+      "automerge": true
+    },
+    {
+      "matchDatasources": ["docker"],
+      "matchPackageNames": ["busybox"],
+      "description": "busybox ARG (custom manager): automerge PATCH bumps once the PR build passes; review minor/major manually.",
       "matchUpdateTypes": ["patch"],
       "automerge": true
     },