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#
# Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
default: all
include $(SPEC)
include MakeBase.gmk
################################################################################
# Keep track of what source revision is used to create the build, by creating
# a tracker file in the output directory. This tracker file is included in the
# image, and can be used to recreate the source revision used.
#
# We're either building directly from a mercurial forest, and if so, use the
# current revision from mercurial. Otherwise, we are building from a source
# bundle. As a part of creating this source bundle, the current mercurial
# revisions of all repos will be stored in a file in the top dir, which is then
# used when creating the tracker file.
STORED_SOURCE_REVISION := $(TOPDIR)/.src-rev
# Are we using mercurial?
ifneq ($(and $(HG), $(wildcard $(TOPDIR)/.hg)), )
# Verify that the entire forest is consistent
$(foreach repo, $(call FindAllReposRel), \
$(if $(wildcard $(TOPDIR)/$(repo)/.hg),, \
$(error Inconsistent revision control: $(repo) is missing .hg directory)) \
)
# Replace "." with "_top" and "/" with "-"
MakeFilenameFromRepo = \
$(strip $(subst .,top, $(subst /,-, $1)))
################################################################################
# SetupGetRevisionForRepo defines a make rule for creating a file containing
# the name of the repository and the output of "hg id" for that repository.
# Argument 1 is the relative path to the repository from the top dir.
#
SetupGetRevisionForRepo = $(NamedParamsMacroTemplate)
define SetupGetRevisionForRepoBody
$1_REPO_PATH := $$(TOPDIR)/$$(strip $1)
$1_FILENAME := $$(call MakeFilenameFromRepo, $1)
$$(SUPPORT_OUTPUTDIR)/src-rev/$$($1_FILENAME): FRC
$$(call MakeDir, $$(@D))
$$(ECHO) $$(strip $1):`$$(HG) id -i --repository $$($1_REPO_PATH)` > $$@
REPO_REVISIONS += $$(SUPPORT_OUTPUTDIR)/src-rev/$$($1_FILENAME)
endef
# Setup rules for all repos. This makes sure all the "hg id" calls are made
# in parallel.
$(foreach repo, $(call FindAllReposRel), \
$(eval $(call SetupGetRevisionForRepo, $(repo))) \
)
# Create a complete source revision output file from all repos
# Param 1: The output file
define CreateSourceRevisionFile
$1: $$(REPO_REVISIONS)
$$(call MakeDir, $$(@D))
$$(ECHO) `$$(CAT) $$(REPO_REVISIONS)` > $$@.tmp
if [ ! -f $$@ ] || [ "`$$(CAT) $$@`" != "`$$(CAT) $$@.tmp`" ]; then \
$$(MV) $$@.tmp $$@ ; \
else \
$$(RM) $$@.tmp ; \
fi
endef
$(eval $(call CreateSourceRevisionFile, $(STORED_SOURCE_REVISION)))
store-source-revision: $(STORED_SOURCE_REVISION)
$(eval $(call CreateSourceRevisionFile, $(SOURCE_REVISION_TRACKER)))
create-source-revision-tracker: $(SOURCE_REVISION_TRACKER)
else
# Not using HG
ifneq ($(wildcard $(STORED_SOURCE_REVISION)), )
# We have a stored source revision (.src-rev)
store-source-revision:
$(call LogInfo, No mercurial configuration present$(COMMA) not updating .src-rev)
$(SOURCE_REVISION_TRACKER): $(STORED_SOURCE_REVISION)
$(install-file)
create-source-revision-tracker: $(SOURCE_REVISION_TRACKER)
else
# We don't have a stored source revision. Can't do anything, really.
store-source-revision:
$(call LogWarn, Error: No mercurial configuration present$(COMMA) cannot create .src-rev)
exit 2
create-source-revision-tracker:
$(call LogWarn, Warning: No mercurial configuration present and no .src-rev)
endif
endif
all: store-source-revision create-source-revision-tracker
FRC: # Force target
.PHONY: all store-source-revision create-source-revision-tracker