#
# Copyright (c) 2011, 2014, 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.
#

ifndef _ZIP_ARCHIVE_GMK
_ZIP_ARCHIVE_GMK := 1

ifeq (,$(_MAKEBASE_GMK))
  $(error You must include MakeBase.gmk prior to including ZipArchive.gmk)
endif

# Setup make rules for creating a zip archive.
#
# Parameter 1 is the name of the rule. This name is used as variable prefix,
# and the targets generated are listed in a variable by that name.
#
# Remaining parameters are named arguments. These include:
#   SRC
#   ZIP
#   INCLUDES
#   INCLUDE_FILES
#   EXCLUDES
#   EXCLUDE_FILES
#   SUFFIXES
#   EXTRA_DEPS
#   ZIP_OPTIONS extra options to pass to zip
SetupZipArchive = $(NamedParamsMacroTemplate)
define SetupZipArchiveBody

  # To avoid running find over too large sets of files, which causes make to crash
  # on some configurations (cygwin), use INCLUDES and INCLUDE_FILES to build a set
  # of directories to run find in, if available.
  ifneq ($$($1_INCLUDES)$$($1_INCLUDE_FILES),)
    $1_FIND_LIST := $$(wildcard $$(foreach i,$$($1_SRC), \
        $$(addprefix $$i/,$$($1_INCLUDES) $$($1_INCLUDE_FILES))))
  else
    $1_FIND_LIST := $$($1_SRC)
  endif

  # Find all files in the source tree.
  $1_ALL_SRCS := $$(call not-containing,_the.,$$(call CacheFind,$$($1_FIND_LIST)))

  # Filter on suffixes if set
  ifneq ($$($1_SUFFIXES),)
    $1_ALL_SRCS := $$(filter $$(addprefix %, $$($1_SUFFIXES)), $$($1_ALL_SRCS))
  endif

  ifneq ($$($1_INCLUDES),)
    ifneq ($$($1_SUFFIXES),)
      $1_ZIP_INCLUDES := $$(foreach s,$$($1_SUFFIXES), \
          $$(addprefix -i$(SPACE)$(DQUOTE),$$(addsuffix /*$$s$(DQUOTE),$$($1_INCLUDES))))
    else
      $1_ZIP_INCLUDES := $$(addprefix -i$(SPACE)$(DQUOTE),$$(addsuffix /*$(DQUOTE),$$($1_INCLUDES)))
    endif
  endif
  ifneq ($$($1_INCLUDE_FILES),)
    $1_ZIP_INCLUDES += $$(addprefix -i$(SPACE),$$($1_INCLUDE_FILES))
  endif
  ifneq ($$($1_EXCLUDES),)
    $1_ZIP_EXCLUDES := $$(addprefix -x$(SPACE)$(DQUOTE),$$(addsuffix /*$(DQUOTE),$$($1_EXCLUDES)))
    $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))
    $1_ALL_SRCS := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_SRCS))
  endif
  ifneq ($$($1_EXCLUDE_FILES),)
    # Cannot precompute ZIP_EXCLUDE_FILES as it is dependent on which src root is being
    # zipped at the moment.
    $1_SRC_EXCLUDE_FILES := $$(addprefix %, $$($1_EXCLUDE_FILES)) $$($1_EXCLUDE_FILES)
    $1_ALL_SRCS := $$(filter-out $$($1_SRC_EXCLUDE_FILES), $$($1_ALL_SRCS))
  endif

  # Use a slightly shorter name for logging, but with enough path to identify this zip.
  $1_NAME:=$$(subst $$(OUTPUT_ROOT)/,,$$($1_ZIP))

  # Now $1_ALL_SRCS should contain all sources that are going to be put into the zip.
  # I.e. the zip -i and -x options should match the filtering done in the makefile.
  # Explicitly excluded files can be given with absolute path. The patsubst solution
  # isn't perfect but the likelyhood of an absolute path to match something in a src
  # dir is very small.
  # If zip has nothing to do, it returns 12 and would fail the build. Check for 12
  # and only fail if it's not.
  $$($1_ZIP) : $$($1_ALL_SRCS) $$($1_EXTRA_DEPS)
	$(MKDIR) -p $$(@D)
	$(ECHO) Updating $$($1_NAME)
	$$(foreach i,$$($1_SRC),(cd $$i && $(ZIP) -qru $$($1_ZIP_OPTIONS) $$@ . $$($1_ZIP_INCLUDES) \
	    $$($1_ZIP_EXCLUDES) -x \*_the.\* \
	    $$(addprefix -x$(SPACE), $$(patsubst $$i/%,%, $$($1_EXCLUDE_FILES))) \
	    || test "$$$$?" = "12" )$$(NEWLINE)) true
	$(TOUCH) $$@

  # Add zip to target list
  $1 += $$($1_ZIP)
endef

endif # _ZIP_ARCHIVE_GMK