Update cross and tgz to play nicely together (creating a tgz for each supported OS/ARCH), and update release.sh to upload binaries and tgz files for all the supported OS/ARCH combos

Makefile

@@ -11,7 +11,7 @@ binary: build
 	$(DOCKER_RUN_DOCKER) hack/make.sh binary
 
 cross: build
-	$(DOCKER_RUN_DOCKER) hack/make.sh cross
+	$(DOCKER_RUN_DOCKER) hack/make.sh binary cross
 
 docs:
 	docker build -t docker-docs docs && docker run -p 8000:8000 docker-docs

hack/make/cross

@@ -2,12 +2,22 @@
 
 DEST=$1
 
+# if we have our linux/amd64 version compiled, let's symlink it in
+if [ -x "$DEST/../binary/docker-$VERSION" ]; then
+	mkdir -p "$DEST/linux/amd64"
+	(
+		cd "$DEST/linux/amd64"
+		ln -s ../../../binary/* ./
+	)
+	echo "Created symlinks:" "$DEST/linux/amd64/"*
+fi
+
 for platform in $DOCKER_CROSSPLATFORMS; do
 	(
+		mkdir -p "$DEST/$platform" # bundles/VERSION/cross/GOOS/GOARCH/docker-VERSION
 		export GOOS=${platform%/*}
 		export GOARCH=${platform##*/}
-		export VERSION="$GOOS-$GOARCH-$VERSION" # for a nice filename
 		export LDFLAGS_STATIC="" # we just need a simple client for these platforms (TODO this might change someday)
-		source "$(dirname "$BASH_SOURCE")/binary"
+		source "$(dirname "$BASH_SOURCE")/binary" "$DEST/$platform"
 	)
 done

hack/make/tgz

@@ -1,23 +1,29 @@
 #!/bin/bash
 
 DEST="$1"
-BINARY="$DEST/../binary/docker-$VERSION"
-TGZ="$DEST/docker-$VERSION.tgz"
+CROSS="$DEST/../cross"
 
 set -e
 
-if [ ! -x "$BINARY" ]; then
-	echo >&2 'error: binary must be run before tgz'
+if [ ! -d "$CROSS/linux/amd64" ]; then
+	echo >&2 'error: binary and cross must be run before tgz'
 	false
 fi
 
-mkdir -p "$DEST/build"
-
-mkdir -p "$DEST/build/usr/local/bin"
-cp -L "$BINARY" "$DEST/build/usr/local/bin/docker"
-
-tar --numeric-owner --owner 0 -C "$DEST/build" -czf "$TGZ" usr
-
-rm -rf "$DEST/build"
-
-echo "Created tgz: $TGZ"
+for d in "$CROSS/"*/*; do
+	GOARCH="$(basename "$d")"
+	GOOS="$(basename "$(dirname "$d")")"
+	mkdir -p "$DEST/$GOOS/$GOARCH"
+	TGZ="$DEST/$GOOS/$GOARCH/docker-$VERSION.tgz"
+	
+	mkdir -p "$DEST/build"
+	
+	mkdir -p "$DEST/build/usr/local/bin"
+	cp -L "$d/docker-$VERSION" "$DEST/build/usr/local/bin/docker"
+	
+	tar --numeric-owner --owner 0 -C "$DEST/build" -czf "$TGZ" usr
+	
+	rm -rf "$DEST/build"
+	
+	echo "Created tgz: $TGZ"
+done

hack/release.sh

@@ -114,6 +114,77 @@ s3_url() {
 	esac
 }
 
+release_build() {
+	GOOS=$1
+	GOARCH=$2
+
+	BINARY=bundles/$VERSION/cross/$GOOS/$GOARCH/docker-$VERSION
+	TGZ=bundles/$VERSION/tgz/$GOOS/$GOARCH/docker-$VERSION.tgz
+
+	# we need to map our GOOS and GOARCH to uname values
+	# see https://en.wikipedia.org/wiki/Uname
+	# ie, GOOS=linux -> "uname -s"=Linux
+
+	S3OS=$GOOS
+	case "$S3OS" in
+		darwin)
+			S3OS=Darwin
+			;;
+		freebsd)
+			S3OS=FreeBSD
+			;;
+		linux)
+			S3OS=Linux
+			;;
+		*)
+			echo >&2 "error: can't convert $S3OS to an appropriate value for 'uname -s'"
+			exit 1
+			;;
+	esac
+
+	S3ARCH=$GOARCH
+	case "$S3ARCH" in
+		amd64)
+			S3ARCH=x86_64
+			;;
+		386)
+			S3ARCH=i386
+			;;
+		arm)
+			# GOARCH is fine
+			;;
+		*)
+			echo >&2 "error: can't convert $S3ARCH to an appropriate value for 'uname -m'"
+			exit 1
+			;;
+	esac
+
+	S3DIR=s3://$BUCKET/builds/$S3OS/$S3ARCH
+
+	if [ ! -x "$BINARY" ]; then
+		echo >&2 "error: can't find $BINARY - was it compiled properly?"
+		exit 1
+	fi
+	if [ ! -f "$TGZ" ]; then
+		echo >&2 "error: can't find $TGZ - was it packaged properly?"
+		exit 1
+	fi
+
+	echo "Uploading $BINARY to $S3OS/$S3ARCH/docker-$VERSION"
+	s3cmd --follow-symlinks --preserve --acl-public put $BINARY $S3DIR/docker-$VERSION
+
+	echo "Uploading $TGZ to $S3OS/$S3ARCH/docker-$VERSION.tgz"
+	s3cmd --follow-symlinks --preserve --acl-public put $TGZ $S3DIR/docker-$VERSION.tgz
+
+	if [ -z "$NOLATEST" ]; then
+		echo "Copying $S3OS/$S3ARCH/docker-$VERSION to $S3OS/$S3ARCH/docker-latest"
+		s3cmd --acl-public cp $S3DIR/docker-$VERSION $S3DIR/docker-latest
+
+		echo "Copying $S3OS/$S3ARCH/docker-$VERSION.tgz to $S3OS/$S3ARCH/docker-latest.tgz"
+		s3cmd --acl-public cp $S3DIR/docker-$VERSION.tgz $S3DIR/docker-latest.tgz
+	fi
+}
+
 # Upload the 'ubuntu' bundle to S3:
 # 1. A full APT repository is published at $BUCKET/ubuntu/
 # 2. Instructions for using the APT repository are uploaded at $BUCKET/ubuntu/index
@@ -190,31 +261,21 @@ EOF
 	echo "APT repository uploaded. Instructions available at $(s3_url)/ubuntu"
 }
 
-# Upload a tgz to S3
-release_tgz() {
-	[ -e bundles/$VERSION/tgz/docker-$VERSION.tgz ] || {
-		echo >&2 './hack/make.sh must be run before release_binary'
+# Upload binaries and tgz files to S3
+release_binaries() {
+	[ -e bundles/$VERSION/cross/linux/amd64/docker-$VERSION ] || {
+		echo >&2 './hack/make.sh must be run before release_binaries'
 		exit 1
 	}
 
-	S3DIR=s3://$BUCKET/builds/Linux/x86_64
-	s3cmd --acl-public put bundles/$VERSION/tgz/docker-$VERSION.tgz $S3DIR/docker-$VERSION.tgz
-
-	if [ -z "$NOLATEST" ]; then
-		echo "Copying docker-$VERSION.tgz to docker-latest.tgz"
-		s3cmd --acl-public cp $S3DIR/docker-$VERSION.tgz $S3DIR/docker-latest.tgz
-	fi
-}
+	for d in bundles/$VERSION/cross/*/*; do
+		GOARCH="$(basename "$d")"
+		GOOS="$(basename "$(dirname "$d")")"
+		release_build "$GOOS" "$GOARCH"
+	done
 
-# Upload a static binary to S3
-release_binary() {
-	[ -e bundles/$VERSION/binary/docker-$VERSION ] || {
-		echo >&2 './hack/make.sh must be run before release_binary'
-		exit 1
-	}
+	# TODO create redirect from builds/*/i686 to builds/*/i386
 
-	S3DIR=s3://$BUCKET/builds/Linux/x86_64
-	s3cmd --acl-public put bundles/$VERSION/binary/docker-$VERSION $S3DIR/docker-$VERSION
 	cat <<EOF | write_to_s3 s3://$BUCKET/builds/index
 # To install, run the following command as root:
 curl -O $(s3_url)/builds/Linux/x86_64/docker-$VERSION && chmod +x docker-$VERSION && sudo mv docker-$VERSION /usr/local/bin/docker
@@ -227,23 +288,11 @@ EOF
 	s3cmd --acl-public --add-header='x-amz-website-redirect-location:/builds/' --mime-type='text/plain' put /tmp/emptyfile s3://$BUCKET/builds/info
 
 	if [ -z "$NOLATEST" ]; then
-		echo "Copying docker-$VERSION to docker-latest"
-		s3cmd --acl-public cp $S3DIR/docker-$VERSION $S3DIR/docker-latest
 		echo "Advertising $VERSION on $BUCKET as most recent version"
 		echo $VERSION | write_to_s3 s3://$BUCKET/latest
 	fi
 }
 
-# Upload a cross-compiled client binaries to S3
-release_cross() {
-	[ -e bundles/$VERSION/cross ] || {
-		echo >&2 './hack/make.sh must be run before release_binary'
-		exit 1
-	}
-	
-	# TODO find out from @shykes what URLs he'd like to use here
-}
-
 # Upload the index script
 release_index() {
 	sed "s,https://get.docker.io/,$(s3_url)/," hack/install.sh | write_to_s3 s3://$BUCKET/index
@@ -257,12 +306,15 @@ release_test() {
 
 main() {
 	setup_s3
-	release_binary
-	release_cross
-	release_tgz
+	release_binaries
 	release_ubuntu
 	release_index
 	release_test
 }
 
 main
+
+echo
+echo
+echo "Release complete; see $(s3_url)"
+echo