make-rules/prep-git.mk
author Norm Jacobs <Norm.Jacobs@Oracle.COM>
Mon, 04 May 2015 18:32:20 -0500
changeset 4251 2bf7e2c1ca74
parent 4196 d697072a92f5
child 4358 76306610179e
permissions -rw-r--r--
21029374 probably shouldn't overload TMP_SUFFIXES in userland fragments
#
# CDDL HEADER START
#
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# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
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# or http://www.opensolaris.org/os/licensing.
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#
# Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
#

GIT =		/usr/bin/git

#
# Anything that we pull from a GIT repo must have a GIT_REPO{_[0-9]+} and
# GIT_COMMIT_ID{_[0-9]+} to match.
#

GIT_SUFFIXES = $(subst GIT_REPO_,, $(filter GIT_REPO_%, $(.VARIABLES)))

define git-rules
ifdef GIT_REPO$(1)
ifdef GIT_COMMIT_ID$(1)

COMPONENT_SRC$(1) = $(COMPONENT_NAME)-$(COMPONENT_VERSION)-$$(GIT_COMMIT_ID$(1))
COMPONENT_ARCHIVE$(1) = $$(COMPONENT_SRC$(1)).tar.gz

CLEAN_PATHS += $$(COMPONENT_SRC$(1))
CLOBBER_PATHS += $$(COMPONENT_ARCHIVE$(1))
SOURCE_DIR$(1) = $$(COMPONENT_DIR)/$(COMPONENT_SRC$(1))

download::	$$(USERLAND_ARCHIVES)$$(COMPONENT_ARCHIVE$(1))

# First attempt to download a cached archive of the SCM repo at the proper
# changeset ID.  If that fails, create an archive by cloning the SCM repo,
# updating to the selected changeset, archiving that directory, and cleaning up
# when complete.
$$(USERLAND_ARCHIVES)$$(COMPONENT_ARCHIVE$(1)):	$(MAKEFILE_PREREQ)
	$$(FETCH) --file [email protected] $$(GIT_HASH$(1):%=--hash %) || \
	(TMP_REPO=$$$$(mktemp --directory) && \
	 $(GIT) clone $$(GIT_REPO$(1)) $$$${TMP_REPO} && \
	 (cd $$$${TMP_REPO} ; $(GIT) checkout \
		 $$(GIT_COMMIT_ID$(1))) && \
	 (cd $$$${TMP_REPO} ; $(GIT) archive --format tar.gz \
		--prefix $$(COMPONENT_SRC$(1))/ \
		$$(GIT_COMMIT_ID$(1))) > [email protected] && \
	 $(RM) -r $$$${TMP_REPO} && \
	 GIT_HASH=$$$$(digest -a sha256 [email protected]) && \
	 $(GSED) -i \
		-e "s/^GIT_HASH$(1)=.*/GIT_HASH$(1)=  sha256:$$$${GIT_HASH}/" \
		Makefile)


REQUIRED_PACKAGES += developer/versioning/git

endif
endif
endef

#
# Define the rules required to download any source archives and augment any
# cleanup macros.
#
$(eval $(call git-rules,))
$(foreach suffix, $(GIT_SUFFIXES), $(eval $(call git-rules,_$(suffix))))