enable golangci-lint for supported platforms

.github/workflows/build.yml

@@ -40,6 +40,8 @@ jobs:
 
   validate:
     runs-on: ubuntu-latest
+    env:
+      GOLANGCI_LINT_MULTIPLATFORM: 1
     needs:
       - prepare
     strategy:

.golangci.yml

@@ -1,5 +1,5 @@
 run:
-  timeout: 10m
+  timeout: 30m
   build-tags:
     - containers_image_openpgp
     - exclude_graphdriver_btrfs

docker-bake.hcl

@@ -12,6 +12,10 @@ variable "GITHUB_REF" {
   default = ""
 }
 
+variable "GOLANGCI_LINT_MULTIPLATFORM" {
+  default = null
+}
+
 target "_common" {
   args = {
     GO_VERSION = GO_VERSION
@@ -131,6 +135,20 @@ target "lint" {
   dockerfile = "./hack/lint.Dockerfile"
   target = "lint"
   output = ["type=cacheonly"]
+    platforms = GOLANGCI_LINT_MULTIPLATFORM != null ? [
+    "darwin/amd64",
+    "darwin/arm64",
+    "linux/amd64",
+    "linux/arm/v5",
+    "linux/arm/v6",
+    "linux/arm/v7",
+    "linux/arm64",
+    "linux/ppc64le",
+    "linux/riscv64",
+    "linux/s390x",
+    "windows/amd64",
+    "windows/arm64"
+  ] : []
 }
 
 target "vendor-validate" {

hack/lint.Dockerfile

@@ -1,17 +1,22 @@
 # syntax=docker/dockerfile:1
 
 ARG GO_VERSION="1.23"
+ARG XX_VERSION="1.6.1"
 ARG ALPINE_VERSION="3.21"
 ARG GOLANGCI_LINT_VERSION="v1.62"
 
-FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
+FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base
 ENV GOFLAGS="-buildvcs=false"
 RUN apk add --no-cache gcc linux-headers musl-dev
+COPY --from=xx --link / /
 WORKDIR /src
 
-FROM golangci/golangci-lint:${GOLANGCI_LINT_VERSION}-alpine AS golangci-lint
+FROM --platform=$BUILDPLATFORM golangci/golangci-lint:${GOLANGCI_LINT_VERSION}-alpine AS golangci-lint
 FROM base AS lint
+ARG TARGETPLATFORM
 RUN --mount=type=bind,target=. \
-    --mount=type=cache,target=/root/.cache \
+    --mount=type=cache,target=/root/.cache,id=lint-cache-$TARGETPLATFORM \
     --mount=from=golangci-lint,source=/usr/bin/golangci-lint,target=/usr/bin/golangci-lint \
+  xx-go --wrap && \
   golangci-lint run ./...