Add explicit 0.16 variant of BuildKit

#839 (comment)

buildkit/Dockerfile.0.16

@@ -0,0 +1,88 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+FROM --platform=$BUILDPLATFORM golang:1.21 AS build
+
+# https://github.com/moby/buildkit/releases
+ENV BUILDKIT_VERSION 0.16.0
+
+COPY \
+	backport-5372-sbom-args.patch \
+	backport-moby-48455-fix-riscv64-seccomp.patch \
+	containerd-arm64-v8.patch \
+	git-no-submodules.patch \
+	mips64le.patch \
+	noclip.patch \
+	nolint.patch \
+	/tmp/buildkit-patches/
+
+WORKDIR /app
+
+RUN set -eux; \
+	git clone --branch "v$BUILDKIT_VERSION" --depth 1 --config advice.detachedHead=false 'https://github.com/moby/buildkit.git' .; \
+	for patch in /tmp/buildkit-patches/*.patch; do \
+		git apply --verbose "$patch"; \
+	done; \
+	git diff --color
+
+ENV CGO_ENABLED 0
+
+ARG TARGETOS TARGETARCH TARGETVARIANT
+ENV GOOS=$TARGETOS GOARCH=$TARGETARCH VARIANT=$TARGETVARIANT
+
+RUN set -eux; \
+	case "$GOARCH/$VARIANT" in \
+		amd64/*) export GOAMD64="$VARIANT" ;; \
+		arm/*) export GOARM="${VARIANT#v}" ;; \
+		arm64/v8) ;; \
+		*) [ -z "$VARIANT" ] ;; \
+	esac; \
+	go env | grep -E 'OS=|ARCH=|AMD64=|ARM64=|ARM='; \
+	\
+# https://github.com/moby/buildkit/blob/v0.13.2/Dockerfile#L93
+	pkg='github.com/moby/buildkit'; \
+	ldflags=" \
+		-d -w \
+		-X '$pkg/version.Version=$BUILDKIT_VERSION-tianon' \
+		-X '$pkg/version.Revision=v$BUILDKIT_VERSION+tianon-patches' \
+		-X '$pkg/version.Package=$pkg' \
+	"; \
+	go build -o /buildkitd -trimpath -ldflags "$ldflags" ./cmd/buildkitd; \
+	go build -o /buildctl -trimpath -ldflags "$ldflags" ./cmd/buildctl; \
+	\
+# https://github.com/moby/buildkit/blob/v0.14.0/frontend/dockerfile/cmd/dockerfile-frontend/Dockerfile#L21
+	pkg='github.com/moby/buildkit/frontend/dockerfile/cmd/dockerfile-frontend'; \
+	ldflags=" \
+		-d -w \
+		-X '$pkg/version.Version=buildkit-$BUILDKIT_VERSION-tianon' \
+		-X '$pkg/version.Revision=v$BUILDKIT_VERSION+tianon-patches' \
+		-X '$pkg/version.Package=$pkg' \
+	"; \
+	go build -o /dockerfile-frontend -trimpath -ldflags "$ldflags" ./frontend/dockerfile/cmd/dockerfile-frontend
+
+FROM --platform=$TARGETPLATFORM infosiftr/moby
+
+RUN set -eux; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends git; \
+	rm -rf /var/lib/apt/lists/*
+
+COPY --from=build --link /buildkitd /buildctl /dockerfile-frontend /usr/local/bin/
+COPY buildkitd-entrypoint.sh /usr/local/bin/
+
+VOLUME /var/lib/buildkit
+
+# https://github.com/docker/buildx/issues/484#issuecomment-749352728
+ENV BUILDKIT_STEP_LOG_MAX_SIZE -1
+ENV BUILDKIT_STEP_LOG_MAX_SPEED -1
+
+# https://github.com/moby/buildkit/blob/v0.14.0/frontend/gateway/gateway.go#L309
+# https://github.com/moby/buildkit/blob/v0.14.0/frontend/dockerfile/cmd/dockerfile-frontend/Dockerfile#L35-L36
+LABEL moby.buildkit.frontend.network.none="true"
+LABEL moby.buildkit.frontend.caps="moby.buildkit.frontend.inputs,moby.buildkit.frontend.subrequests,moby.buildkit.frontend.contexts"
+
+ENTRYPOINT ["buildkitd-entrypoint.sh"]
+CMD []

buildkit/versions.json

@@ -9,6 +9,7 @@
   "variants": [
     "",
     "rc",
+    "0.16",
     "0.13"
   ],
   "rc": {
@@ -20,6 +21,15 @@
       "version": "1.22"
     }
   },
+  "0.16": {
+    "commit": "0865fcc9b78559e856e81dc52b3613701e7be28d",
+    "ref": "refs/tags/v0.16.0",
+    "tag": "v0.16.0",
+    "version": "0.16.0",
+    "go": {
+      "version": "1.21"
+    }
+  },
   "0.13": {
     "commit": "2e18d709fefdcc2db20853ee241c75b058189d39",
     "ref": "refs/tags/v0.13.2",

buildkit/versions.sh

@@ -11,6 +11,7 @@ variants=(
 	''
 	'rc'
 
+	'0.16'
 	'0.13'
 
 	# TODO add this back when I figure out a clean way to do something more akin to a "weekly snapshot" or something so it doesn't have an update every single day