Add back Windows variant

See https://download.docker.com/win/static/stable/x86_64/ 🎉

Co-authored-by: Tianon Gravi <admwiggin@gmail.com>

Author: krystofwoldrich

20.10/windows/windowsservercore-1809/Dockerfile

@@ -1,4 +1,4 @@
-FROM microsoft/windowsservercore:%%TAG%%
+FROM mcr.microsoft.com/windows/{{ env.windowsVariant }}:{{ env.windowsRelease }}
 
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
@@ -9,15 +9,14 @@ RUN $newPath = ('{0}\docker;{1}' -f $env:ProgramFiles, $env:PATH); \
 	[Environment]::SetEnvironmentVariable('PATH', $newPath, [EnvironmentVariableTarget]::Machine);
 # doing this first to share cache across versions more aggressively
 
-ENV DOCKER_CHANNEL %%DOCKER-CHANNEL%%
-ENV DOCKER_VERSION %%DOCKER-VERSION%%
+ENV DOCKER_VERSION {{ .version }}
+ENV DOCKER_URL {{ .arches["windows-amd64"].dockerUrl }}
 # TODO ENV DOCKER_SHA256
 # https://github.com/docker/docker-ce/blob/5b073ee2cf564edee5adca05eee574142f7627bb/components/packaging/static/hash_files !!
 # (no SHA file artifacts on download.docker.com yet as of 2017-06-07 though)
 
-RUN $url = ('https://download.docker.com/win/static/{0}/x86_64/docker-{1}.zip' -f $env:DOCKER_CHANNEL, $env:DOCKER_VERSION); \
-	Write-Host ('Downloading {0} ...' -f $url); \
-	Invoke-WebRequest -Uri $url -OutFile 'docker.zip'; \
+RUN Write-Host ('Downloading {0} ...' -f $env:DOCKER_URL); \
+	Invoke-WebRequest -Uri $env:DOCKER_URL -OutFile 'docker.zip'; \
 	\
 	Write-Host 'Expanding ...'; \
 	Expand-Archive docker.zip -DestinationPath $env:ProgramFiles; \

…rfile-windows-windowsservercore.template Dockerfile-windows-servercore.templateDockerfile-windows-windowsservercore.template renamed to Dockerfile-windows-servercore.template Dockerfile-windows-windowsservercore.template renamed to Dockerfile-windows-servercore.template

@@ -23,7 +23,7 @@ RUN set -eux; \
 {{
 	[
 		.arches | to_entries[]
-		| select(.value.dockerUrl)
+		| select(.value.dockerUrl and (.key | startswith("windows-") | not))
 		| .key as $bashbrewArch
 		| (
 			{

Dockerfile.template

@@ -33,13 +33,28 @@ for version; do
 	eval "variants=( $variants )"
 
 	for variant in "${variants[@]}"; do
-		template="Dockerfile${variant:+-$variant}.template"
-		target="$version${variant:+/$variant}/Dockerfile"
-
+		dir="$version${variant:+/$variant}"
+
+		case "$variant" in
+			windows/*)
+				variant="$(basename "$variant")" # "windowsservercore-1809", etc
+				windowsVariant="${variant%%-*}" # "windowsservercore", "nanoserver"
+				windowsRelease="${variant#$windowsVariant-}" # "1809", "ltsc2016", etc
+				windowsVariant="${windowsVariant#windows}" # "servercore", "nanoserver"
+				export windowsVariant windowsRelease
+				template="Dockerfile-windows-$windowsVariant.template"
+				;;
+
+			*)
+				template="Dockerfile${variant:+-$variant}.template"
+				;;
+		esac
+
+		mkdir -p "$dir"
 		{
 			generated_warning
 			gawk -f "$jqt" "$template"
-		} > "$target"
+		} > "$dir/Dockerfile"
 	done
 
 	cp -a docker-entrypoint.sh modprobe.sh "$version/"

apply-templates.sh

@@ -55,6 +55,15 @@ versionArches() {
 		selector='rootlessExtrasUrl'
 	fi
 
+	if [[ "$variant" = windows/* ]]; then
+		version="$version" jq -r '
+			.[env.version].arches
+			| keys[]
+			| select(startswith("windows-"))
+		' versions.json | sort
+		return
+	fi
+
 	local parent parentArches
 	parent="$(awk 'toupper($1) == "FROM" { print $2 }' "$version/Dockerfile")"
 	parentArches="${parentRepoToArches[$parent]:-}"
@@ -154,21 +163,32 @@ for version; do
 	variants="$(jq -r '.[env.version].variants | map(@sh) | join(" ")' versions.json)"
 	eval "variants=( $variants )"
 
-	for variant in "${variants[@]}"; do
-		dir="$version${variant:+/$variant}"
+	for v in "${variants[@]}"; do
+		dir="$version${v:+/$v}"
 		[ -f "$dir/Dockerfile" ] || continue
 
 		commit="$(dirCommit "$dir")"
 
+		variant="$(basename "$v")"
 		variantAliases=( "${versionAliases[@]/%/${variant:+-$variant}}" )
 		variantAliases=( "${variantAliases[@]//latest-/}" )
 
+		sharedTags=()
+		if [[ "$variant" == windowsservercore* ]]; then
+			sharedTags=( "${versionAliases[@]/%/-windowsservercore}" )
+			sharedTags=( "${sharedTags[@]//latest-/}" )
+		fi
+
 		echo
+		echo "Tags: $(join ', ' "${variantAliases[@]}")"
+		if [ "${#sharedTags[@]}" -gt 0 ]; then
+			echo "SharedTags: $(join ', ' "${sharedTags[@]}")"
+		fi
 		cat <<-EOE
-			Tags: $(join ', ' "${variantAliases[@]}")
-			Architectures: $(join ', ' $(versionArches "$version" "$variant"))
+			Architectures: $(join ', ' $(versionArches "$version" "$v"))
 			GitCommit: $commit
 			Directory: $dir
 		EOE
+		[ "$variant" = "$v" ] || echo "Constraints: $variant"
 	done
 done

generate-stackbrew-library.sh

@@ -66,14 +66,18 @@
       },
       "arm64v8": {
         "dockerUrl": "https://download.docker.com/linux/static/stable/aarch64/docker-20.10.6.tgz"
+      },
+      "windows-amd64": {
+        "dockerUrl": "https://download.docker.com/win/static/stable/x86_64/docker-20.10.6.zip"
       }
     },
     "dindCommit": "42b1175eda071c0e9121e1d64345928384a93df1",
     "variants": [
       "",
       "dind",
       "dind-rootless",
-      "git"
+      "git",
+      "windows/windowsservercore-1809"
     ],
     "version": "20.10.6"
   },

versions.json

@@ -14,7 +14,7 @@ declare -A dockerArches=(
 	['arm64v8']='aarch64'
 	['ppc64le']='ppc64le'
 	['s390x']='s390x'
-#	['windows-amd64']='windows-amd64'
+	['windows-amd64']='x86_64'
 )
 
 cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
@@ -98,10 +98,14 @@ for version in "${versions[@]}"; do
 		}'
 	)"
 
+	hasWindows=
 	for bashbrewArch in "${!dockerArches[@]}"; do
 		arch="${dockerArches[$bashbrewArch]}"
 		# check whether the given architecture is supported for this release
-		url="https://download.docker.com/linux/static/$channel/$arch/docker-$fullVersion.tgz"
+		case "$bashbrewArch" in
+			windows-*) url="https://download.docker.com/win/static/$channel/$arch/docker-$fullVersion.zip"; windows=1 ;;
+			*) url="https://download.docker.com/linux/static/$channel/$arch/docker-$fullVersion.tgz"; windows= ;;
+		esac
 		if wget --quiet --spider "$url" &> /dev/null; then
 			export bashbrewArch url
 			doc="$(
@@ -113,6 +117,11 @@ for version in "${versions[@]}"; do
 			continue
 		fi
 
+		if [ -n "$windows" ]; then
+			hasWindows=1
+			continue # Windows doesn't have rootless extras :)
+		fi
+
 		rootlessExtrasUrl="https://download.docker.com/linux/static/$channel/$arch/docker-rootless-extras-$fullVersion.tgz"
 		# https://github.com/docker/docker-ce/blob/8fb3bb7b2210789a4471c017561c1b0de0b4f145/components/engine/hack/make/binary-daemon#L24
 		# "vpnkit is amd64-only" ... for now??
@@ -131,9 +140,13 @@ for version in "${versions[@]}"; do
 		dind \
 		dind-rootless \
 		git \
+		windows/windowsservercore-1809 \
 	; do
 		base="${variant%%/*}" # "buster", "windows", etc.
 		[ -d "$version/$base" ] || continue
+		if [ "$base" = 'windows' ] && [ -z "$hasWindows" ]; then
+			continue
+		fi
 		export variant
 		doc="$(jq <<<"$doc" -c '.variants += [ env.variant ]')"
 	done