Build SDK repository.
When the build is invoked with the fake target "sdk_repo" and
a main target of sdk, win_sdk or sdk_addon, we now create
packages in DIST_DIR that can directly be used to populate the
SDK Repository.
This is quite close to how we actually distribute the SDK.
Change-Id: I01c729eff4dbc1eccbc7c5b1869f329363f1ce07
diff --git a/build/tools/sdk_repo.mk b/build/tools/sdk_repo.mk
new file mode 100644
index 0000000..70356c7
--- /dev/null
+++ b/build/tools/sdk_repo.mk
@@ -0,0 +1,106 @@
+# Makefile to build the SDK repository packages.
+
+.PHONY: sdk_repo
+
+# Define the name of a package zip file to generate
+# $1=OS (e.g. linux-x86, windows, etc)
+# $2=sdk zip (e.g. out/host/linux.../android-eng-sdk.zip)
+# $3=package to create (e.g. tools, docs, etc.)
+#
+define sdk-repo-pkg-zip
+$(dir $(2))/sdk-repo-$(1)-$(3).zip
+endef
+
+# Defines the rule to build an SDK repository package by zipping all
+# the content of the given directory.
+# E.g. given a folder out/host/linux.../sdk/android-eng-sdk/tools
+# this generates an sdk-repo-linux-tools that contains tools/*
+#
+# $1=OS (e.g. linux-x86, windows, etc)
+# $2=sdk zip (e.g. out/host/linux.../android-eng-sdk.zip)
+# $3=package to create (e.g. tools, docs, etc.)
+#
+# The rule depends on the SDK zip file, which is defined by $2.
+#
+define mk-sdk-repo-pkg-1
+$(call sdk-repo-pkg-zip,$(1),$(2),$(3)): $(2)
+ @echo "Building SDK repository package $(3) from $(notdir $(2))"
+ $(hide) cd $(dir $(2)) && \
+ zip -9rq ../$(notdir $(call sdk-repo-pkg-zip,$(1),$(2),$(3))) \
+ $(basename $(2))/*
+$(call dist-for-goals, sdk_repo, $(call sdk-repo-pkg-zip,$(1),$(2),$(3)))
+endef
+
+# Defines the rule to build an SDK repository package when the
+# package directory contains a single platform-related inner directory.
+# E.g. given a folder out/host/linux.../sdk/android-eng-sdk/samples/android-N
+# this generates an sdk-repo-linux-samples that contains android-N/*
+#
+# $1=OS (e.g. linux-x86, windows, etc)
+# $2=sdk zip (e.g. out/host/linux.../android-eng-sdk.zip)
+# $3=package to create (e.g. platforms, samples, etc.)
+#
+# The rule depends on the SDK zip file, which is defined by $2.
+#
+define mk-sdk-repo-pkg-2
+$(call sdk-repo-pkg-zip,$(1),$(2),$(3)): $(2)
+ @echo "Building SDK repository package $(3) from $(notdir $(2))"
+ $(hide) cd $(dir $(2))/$(3) && \
+ zip -9rq ../../$(notdir $(call sdk-repo-pkg-zip,$(1),$(2),$(3))) \
+ $(basename $(2))/*
+$(call dist-for-goals, sdk_repo, $(call sdk-repo-pkg-zip,$(1),$(2),$(3)))
+endef
+
+
+SDK_REPO_DEPS :=
+
+# Rules for win_sdk
+
+ifneq ($(WIN_SDK_ZIP),)
+
+# docs, platforms and samples have nothing OS-dependent right now.
+$(eval $(call mk-sdk-repo-pkg-1,windows,$(WIN_SDK_ZIP),tools))
+$(eval $(call mk-sdk-repo-pkg-1,windows,$(WIN_SDK_ZIP),platform-tools))
+
+SDK_REPO_DEPS += \
+ $(call sdk-repo-pkg-zip,windows,$(WIN_SDK_ZIP),tools) \
+ $(call sdk-repo-pkg-zip,windows,$(WIN_SDK_ZIP),platform-tools)
+
+endif
+
+# Rules for main host sdk
+
+ifneq ($(filter sdk win_sdk,$(MAKECMDGOALS)),)
+
+$(eval $(call mk-sdk-repo-pkg-1,$(HOST_OS),$(MAIN_SDK_ZIP),tools))
+$(eval $(call mk-sdk-repo-pkg-1,$(HOST_OS),$(MAIN_SDK_ZIP),platform-tools))
+$(eval $(call mk-sdk-repo-pkg-1,$(HOST_OS),$(MAIN_SDK_ZIP),docs))
+$(eval $(call mk-sdk-repo-pkg-2,$(HOST_OS),$(MAIN_SDK_ZIP),platforms))
+$(eval $(call mk-sdk-repo-pkg-2,$(HOST_OS),$(MAIN_SDK_ZIP),samples))
+
+SDK_REPO_DEPS += \
+ $(call sdk-repo-pkg-zip,$(HOST_OS),$(MAIN_SDK_ZIP),tools) \
+ $(call sdk-repo-pkg-zip,$(HOST_OS),$(MAIN_SDK_ZIP),platform-tools) \
+ $(call sdk-repo-pkg-zip,$(HOST_OS),$(MAIN_SDK_ZIP),docs) \
+ $(call sdk-repo-pkg-zip,$(HOST_OS),$(MAIN_SDK_ZIP),platforms) \
+ $(call sdk-repo-pkg-zip,$(HOST_OS),$(MAIN_SDK_ZIP),samples) \
+
+endif
+
+# Rules for sdk addon
+
+ifneq ($(ADDON_SDK_ZIP),)
+
+# ADDON_SDK_ZIP is defined in build/core/tasks/sdk-addon.sh and is
+# already packaged correctly. All we have to do is dist it with
+# a different destination name.
+
+$(call dist-for-goals, sdk_repo, \
+ $(ADDON_SDK_ZIP):$(notdir $(call sdk-repo-pkg-zip,$(HOST_OS),$(ADDON_SDK_ZIP),addon)))
+
+endif
+
+
+sdk_repo: $(SDK_REPO_DEPS)
+ @echo "Packing of SDK repository done"
+