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#2017-03-27 Replaced poky autocloning for parameter extraction with XML file updated by the ELTF test system
#2017-11-24 Added support for pdf download in eclipse

#Path to this subsystem's root directory
SUBSYSROOT := $(shell pwd)

# NOTE: MANIFESTHASH in manifest_conf.mk needs to be the final release tag before a release
#       The manifest_conf.mk defines MANIFESTHASH and MANIFESTURL and PROFILE_NAME(on front+footers)
include manifest_conf.mk
MANIFESTDIR := $(shell echo "$(MANIFESTURL)" | sed 's/.*\///;s/\.git//')

# Further down we extract the list of target manifest file names from the manifest itself



# ***************** Generic docbuild.git auto-clone + s_docbuild symlink ***
# This also defines TMPCLONEROOT which optionally can be nondefault using BOOK_GLOBALCLONEROOT=yes or a path
include init.mk

TMPCLONEROOT_MANIFEST := $(TMPCLONEROOT)/manifest


# ******************* AutoGenerated chapter from template and target READMEs *******
BUILDBOOT_XML       := book-enea-linux-release-info/doc/build_boot_generated.xml
BUILDBOOT_TEMPLATE  := book-enea-linux-release-info/doc/build_boot_template.xml

PKGDIFF_GEN_XML     := book-enea-linux-release-info/doc/pkgdiff_generated.xml
JIRA_ISSUES_GEN_XML := book-enea-linux-release-info/doc/jiraissues_generated.xml

MACHINE_LIST_XML    := book-enea-linux-release-info/doc/machine_list_generated.xml

ELTF_PARAMS_TEMPLATE := book-enea-linux-release-info/doc/eltf_params_template.xml
ELTF_PARAMS_UPDATED  := book-enea-linux-release-info/doc/eltf_params_updated.xml



# -----------------------------------------------------
#Path to DocBook make files and templates
DOCBOOKMAKE         = $(SUBSYSROOT)/s_docbuild/docmake
DOCBOOKTEMPLATE     = $(SUBSYSROOT)/s_docbuild/template

#Path to the OLINK database including leading part of file name (will add -$(FORMAT).db)
DOCBOOKOLINKDB_BASE = $(SUBSYSROOT)/s_docbuild/olinkdb/olink-targetdb-ose5-master

DOCBOOK_OLINKS ?= yes
DOCBOOK_FO_USEFOP ?= yes
DOCBOOK_TO_BOOKDIR ?= yes
DOCBOOK_CLEANTMP ?= yes

#Components (books) in this subsystem. Now use all books found here
#  COMPONENTS := book-enea-linux-release-info book-enea-linux-open-source
#  COMPONENTS += book-enea-linux-eclipse-open-source
COMPONENTS := $(shell ls -d book-enea* )

# --------------------------------------------------------------
ifeq ($(VERBOSE),yes)
VERB :=
else
VERB := @
endif
MAKEFLAGS += --no-print-directory
MAKEFLAGS += --directory $(SUBSYSROOT)
MAKEFLAGS += --no-builtin-rules --no-builting-variables

# Skip xml validation to make it possible to include xml files with unresolved links
VALIDATE = no

# BL_LABEL is either given on make command line or using BOOK_VER which have defaults below or a timestamp

# ******************************************************************

# Export all parameters including those on the command line
export

.PHONY: doc books docusage init initbuild initmanifest initpardoc initbuildboot dist


docusage:
	@echo 'make docusage                  #Shows this help text'
	@echo '  DOCBOOK_TOOLS_VERSIONS=yes   #Displays./testeltfver.sh DocBook tools versions in this machine'
	@echo 'make doc                       #Builds doc. ALSO automatically does all inits if needed'
	@echo 'make dist BOOK_DIST_DIR=xx/doc #Builds doc as above and copies results to BOOK_DIST_DIR'
	@echo '                               #   Does not work with DOCBOOK_TO_BOOKDIR or BOOK_BUILD_DIR'
	@echo ' BOOK_DIST_ECLIPSE=yes         #Currently EclipseHelp formated doc will not be in BOOK_DIST_DIR'
	@echo '                               #   unless BOOK_DIST_ECLIPSE is set to yes'
	@echo 'make init                      #Init all needed init* below'
	@echo 'make initbuild                 #Init s_docbuild Docbook build system and central files'
	@echo 'make initmanifest              #Init s_manifest by cloning, to detect which targets are included'
	@echo 'make initpardoc                #Init s_docsrc_common with extracted parameters/'
	@echo 'make initbuildboot             #Init build_boot chapter from READMEs and template in release info'
	@echo 'make initissues                #Init known issues section from Jira'
	@echo 'make eltf                      #Test - displays all ELTF_xxx variables that ELTF shall replace'
	@echo ' MANIFESTHASH=xxxxx            #Option for all inits above to use nondefault manifest version'
	@echo '                               #It shall either be ref/tags/<tagvalue> or a hashvalue'
	@echo '                               #Configured tag or hashvalue $(MANIFESTHASH)'
	@echo '                               #Configured MANIFESTURL      $(MANIFESTURL)'
	@echo '                               #Configured PROFILE_NAME     $(PROFILE_NAME)'
	@echo ' DOCBOOK_CLEANTMP=no           #Option to keep temp files in doc/ and tmp/'
	@echo ' BOOK_GLOBALCLONEROOT=yes      #Option for all init above to clone all outside the doc directory'
	@echo ' BOOK_GLOBALCLONEROOT=otherpath #Option for all init above to clone all to given path'
	@echo 'make clean                     #Clean results and all s_*, but not any external clones'
	@echo ''
	@echo 'Optional parameters for make doc:'
	@echo '  COMP=<book-directory>     #Component (book) to build. Book component names are book-*'
	@echo '                            #Default component/s:'
	@echo '    $(COMPONENTS)'
	@echo '  FORMAT=<format>           #One of: pdf, html, or eclipse (Default all are built)'
	@echo '  BL_LABEL=<baseline>       #Becomes footer in book (default: from poky enea.conf MAJORMINOR'
	@echo '                            #  and with profile name taken from the manifest repo name)'
	@echo '  DOCBOOK_TO_BOOKDIR=no     #(default yes) Avoid moving result to book directory'
	@echo '                            #   and avoid erasing common doc and tmp directories'
	@echo '  BOOKFORCE=yes             #Force rebuilding (ignore dependency on file times or BL_LABEL)'
	@echo '                            #   Dependency only works if common doc directory is kept'
	@echo '  BOOKCONDITION="xx;yy;.."  #Include XML elements with condition any of xx or yy'
	@echo '                            #   (if rebuilding, BOOKFORCE=yes may be needed)'
	@echo '                            #   Empty=only default. none=none, all=everything.'
	@echo '  BOOKDEFAULTCONDITION      #Default conditions, if no BOOKCONDITION. Used in book-*/swcomp.mk'
	@echo '  SHOW_COMMENTS=yes         #For proofread. Unhide <remark>..</remark> comments Only PDF'
	@echo '  BOOKVERBOSE=yes           #Verbose info building books'
	@echo '  DOCBOOK_OLINKS=no         #Avoid the olink database in Makefile (in book not using it)'
	@echo '  DOCBOOK_OLINK_TARGETDB=only  #Build a target db for this book (for links into it)'
	@echo '  DOCBOOK_OLINK_TARGETDB=yes   #Build a target db AND build the book'
	@echo '                               #Master olinkdb defined in this Makefile, one per generated format, is:'
	@echo '   $(DOCBOOKOLINKDB_BASE)_*.db'
	@echo '  Typical examples:'
	@echo '     make doc                          Creates all books, all formats'
	@echo '     make doc COMP=book-xxxx FORMAT=html'
	@echo '     make doc COMP=book-xxxx FORMAT=pdf'
	@echo '     make doc BL_LABEL="Version 1.2.3"  Creates all with version in footers and front'
	@echo ''
	@echo '  Requires docbook-xsl-1.76.1 or later, docbook-xml 4.2, svg1.1, fop-1.0 + fop-hyph.jar'
	@echo '     fop + the separate fop-hyph can be found together in package "libfop-java"'
	@echo '     otherwise fetch fop-hyph.jar and place in same place as fop.jar'
	@echo '  Requires libxml2-2.7.8 or later, libxslt-1.1.26 or later'
	@echo '  Requires java machine to run fop (creating PDF). jar for optional FORMAT=eclipse'
	@echo '      Without jar, the optional EclipseHelp format can not be built'
	@echo '  tools_book_standalone.mk => libxml2, libxslt, and fop (and to catalog-el.xml)'
	@echo '  catalog-el.xml => svg, docbook-xml, docbook-xsl'
ifeq ($(DOCBOOK_TOOLS_VERSIONS),yes)
	$(VERB)$(MAKE) -f $(DOCBOOKMAKE)/tools_book_standalone.mk book_tools_versions
endif

# We rely on make doing these in order left to right
init: initbuild initcommon initmanifest initpardoc initbuildboot initpkgdiff initissues
pullall: pullbuild

# If no COMP, iterate over books-* in COMPONENTS with make doc
ifeq ($(COMP),)
doc:
ifneq ($(filter book-%, $(COMPONENTS)),)
	$(VERB)for comp in $(filter book-%, $(COMPONENTS)); do \
	  $(MAKE) doc COMP=$$comp; \
	done
endif

else
include $(SUBSYSROOT)/$(COMP)/swcomp.mk

doc: books
	@#
endif

dist: doc
	@echo "Copying resulting built documents to $(BOOK_DIST_DIR)"
	$(VERB)if [ "$(BOOK_DIST_DIR)" = "" ]; then echo "ERROR: Missing BOOK_DIST_DIR parameter, typically shall be xxx/doc"; exit 10; fi
	$(VERB)if [ ! -d "`dirname $(BOOK_DIST_DIR)`" ]; then echo "ERROR: Missing parent for BOOK_DIST_DIR"; exit 10; fi
	$(VERB)if [ -f "$(BOOK_DIST_DIR)/Makefile" ]; then echo "ERROR: Wrong BOOK_DIST_DIR, contains a Makefile?"; exit 10; fi
	$(VERB)if [ ! -d "$(BOOK_DIST_DIR)" ]; then mkdir -p "$(BOOK_DIST_DIR)" ; fi
	$(VERB)for book in $(COMPONENTS); do \
	   if ls -d $$book/book*.pdf >/dev/null 2>&1;  then cp    --preserve=timestamps $$book/book*.pdf "$(BOOK_DIST_DIR)" ; fi ; \
	   if ls -d $$book/html >/dev/null 2>&1;       then cp -r --preserve=timestamps $$book/html      "$(BOOK_DIST_DIR)" ; fi ; \
	   if [ "$(BOOK_DIST_ECLIPSE)" = "yes" ]; then \
	     if ls -d $$book/eclipse >/dev/null 2>&1;    then cp -r --preserve=timestamps $$book/eclipse   "$(BOOK_DIST_DIR)" ; fi ; \
	   fi ; \
	done

# Default FORMATs
ifeq ($(FORMAT),)
FORMAT=html pdf eclipse
endif


books: init
# BOOKPACKAGES is defined in all book-*/swcomp.mk
	$(VERB)DISTRO_VERSION=`egrep '"EneaLinux_REL_VER"><phrase>' $(ELTF_PARAMS_UPDATED) | sed 's/.*<phrase>//;s/<\/phrase>.*//'` ; \
	       BOOKVER="Profile $(PROFILE_NAME)-$$DISTRO_VERSION" ; \
	 for book in $(BOOKPACKAGES); do \
	  for format in $(FORMAT); do \
	    $(MAKE) -f $(DOCBOOKMAKE)/make_docbook_standalone.mk BOOK=$$book FORMAT=$$format BOOK_VER="$$BOOKVER" books || exit 10; \
		if [ $$format = eclipse ]; then \
		if [ ! -f $$COMP/$$book.pdf ]; then \
	      $(MAKE) -f $(DOCBOOKMAKE)/make_docbook_standalone.mk BOOK=$$book FORMAT=pdf BOOK_VER="$$BOOKVER" books || exit 10; \
		  fi; \
		  cp $$COMP/$$book.pdf $$COMP/eclipse/plugins/com.enea.doc.book-*/. ; \
		fi ; \
	  done ; \
	 done
ifeq ($(DOCBOOK_TO_BOOKDIR),yes)
	 $(VERB)rm -rf doc tmp
else
ifeq ($(DOCBOOK_CLEANTMP),yes)
#        keep only doc/pdf/book-*.pdf doc/eclipse/plugins/com.enea.doc.book-* but delete doc/eclipse/plugins/com.enea.doc.book-*/done*
	 $(VERB)rm -rf tmp 2>/dev/null ; rm -rf doc/pdf/book-*/ ; rm -rf doc/eclipse/plugins/com.enea.doc.book-*/done* 2>/dev/null
endif
endif

# cleaninit cleans ALL tmpcommon and all s_*
clean:  cleaninit cleanbuildboot cleanpkgdiff cleanissues cleanmanifest
	@echo "Cleaning build results and temporary files"
	$(VERB)rm -rf doc tmp 2>/dev/null
ifneq ($(filter book-%, $(COMPONENTS)),)
	$(VERB)for comp in $(filter book-%, $(COMPONENTS)); do \
	  rm -rf $$comp/book*.pdf $$comp/html $$comp/eclipse 2>/dev/null; \
	done
	$(VERB)rm -rf doc tmp 2>/dev/null
endif


# ******************************************************************
# ****************** SUPPORT FOR TARGETS ***************************
initmanifest: s_manifest


# -----------------------------------------
# We only clone the manifest to be able to autodetect which targets are in it
# git clone requires only the tag string e.g. EL6, not the entire ref/tags/EL6 that repo requires
# git clone -b hashvalue is not supported. We must first clone, then git checkout hashvalue
#     These steps work also for a tag so we could use the same stepwise code

s_manifest: $(TMPCLONEROOT_MANIFEST)
	$(VERB)rm s_manifest 2>/dev/null; ln -s $(TMPCLONEROOT_MANIFEST) s_manifest

cleanmanifest:
	@echo "Cleaning generated manifest files"
	$(VERB)rm -f $(MACHINE_LIST_XML) 2>/dev/null
	$(VERB)rm -rf "$(TMPCLONEROOT_MANIFEST)" s_manifest 2>/dev/null

$(TMPCLONEROOT_MANIFEST):
	$(VERB)if [ ! -d "$(TMPCLONEROOT)" ] ; then mkdir -p "$(TMPCLONEROOT)" ; fi
	$(VERB)if [ ! -d "$(TMPCLONEROOT_MANIFEST)" ]; then mkdir -p "$(TMPCLONEROOT_MANIFEST)" ; fi
	$(VERB) MBRANCH=`echo "$(MANIFESTHASH)" | sed 's/.*\///'`; \
	   echo "**** Cloning manifest version $$MBRANCH of $(MANIFESTURL) in $(TMPCLONEROOT_MANIFEST)" ; \
	   cd "$(TMPCLONEROOT_MANIFEST)"; git clone $(MANIFESTURL) ; cd $(MANIFESTDIR) ; git checkout $(MANIFESTHASH)
	$(VERB)if [ ! -d "$(TMPCLONEROOT_MANIFEST)/$(MANIFESTDIR)" ]; then echo "ERROR: Missing $(TMPCLONEROOT_MANIFEST)/$(MANIFESTDIR)"; exit 10 ; fi ; \
	   TARGETDEFAULTXMLS=`cd $(TMPCLONEROOT_MANIFEST)/$(MANIFESTDIR); ls -1 */default.xml 2>/dev/null` ; \
	   TARGET_LIST=`echo "$$TARGETDEFAULTXMLS" | sed 's/\/default.xml//;s/^/# export MACHINE=/'` ; \
	   echo "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>" >$(MACHINE_LIST_XML) ; \
	   echo "<!DOCTYPE para PUBLIC \"-//OASIS//DTD DocBook XML V4.2//EN\"" >>$(MACHINE_LIST_XML) ; \
	   echo "\"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\">" >>$(MACHINE_LIST_XML) ; \
	   echo "<para id=\"machine-list\">" >>$(MACHINE_LIST_XML) ; \
	   echo "<programlisting># Set MACHINE to ONE of the targets in this release!" >>$(MACHINE_LIST_XML) ; \
	   echo "$$TARGET_LIST</programlisting>" >>$(MACHINE_LIST_XML) ; \
	   echo "</para>" >>$(MACHINE_LIST_XML)


# ****************************************************************************
# ******************** SUPPORT FOR dynamic pardoc with added parameters ******
# pardoc-distro can contain MAJOR.MINOR-xxxxx keeping -xxxx when replacing MINOR.MINOR from enea.conf

PATH_DOCSRC_COMMON    = $(SUBSYSROOT)/s_docsrc_common
NAME_DOCSRC_COMMON    = docsrc_common
TMPCLONEROOT_DOCSRC_COMMON := $(TMPCLONEROOT)/$(NAME_DOCSRC_COMMON)
TMPPARDOC                  := $(TMPCLONEROOT_DOCSRC_COMMON)/pardoc-distro.xml

initpardoc:   s_docsrc_common

cleanpardoc:
	@echo "Cleaning dynamic parameters"
	$(VERB)rm -rf $(TMPCLONEROOT_DOCSRC_COMMON) ; rm s_docsrc_common


s_docsrc_common:  $(TMPCLONEROOT_DOCSRC_COMMON)
	$(VERB)rm s_docsrc_common 2>/dev/null; ln -s $(TMPCLONEROOT_DOCSRC_COMMON) s_docsrc_common

$(TMPCLONEROOT_DOCSRC_COMMON):
	$(VERB)if [ ! -d "$(TMPCLONEROOT)" ] ; then mkdir -p "$(TMPCLONEROOT)" ; fi
	$(VERB)if [ ! -d $(TMPCLONEROOT_DOCSRC_COMMON) ]; then mkdir -p $(TMPCLONEROOT_DOCSRC_COMMON) ; fi
	@echo "**** Copy docsrc_common/ files to $(TMPCLONEROOT_DOCSRC_COMMON)"
	$(VERB)cat docsrc_common/pardoc-distro.xml >$(TMPPARDOC)

# ****************************************************************************
# ***** Create XML chapter with build/boot commands from all README files in manifest

initbuildboot: $(BUILDBOOT_XML)

cleanbuildboot:
	@echo "Cleaning generated build-boot command document file"
	$(VERB)rm -f $(BUILDBOOT_XML) 2>/dev/null


$(BUILDBOOT_XML): $(BUILDBOOT_TEMPLATE)
	@echo "**** Creating $(BUILDBOOT_XML) from READMEs"
	$(VERB)INITBB_CMD=initbuildboot.sh ; \
	  if [ -f "$$INITBB_CMD" ]; then \
	     sh "$$INITBB_CMD" -xml $(BUILDBOOT_XML) -template $(BUILDBOOT_TEMPLATE) -readmebasedir s_manifest/$(MANIFESTDIR); \
	  else \
	     echo "ERROR: Missing $$INITBB_CMD, can not create $(BUILDBOOT_XML)"; exit 10; \
	  fi

# ****************************************************************************
# ***** Create Package DIFF XML section

initpkgdiff: $(PKGDIFF_GEN_XML)

cleanpkgdiff:
	@echo "Cleaning generated package diff document file"
	$(VERB)rm -f $(PKGDIFF_GEN_XML) 2>/dev/null

$(PKGDIFF_GEN_XML):
	$(VERB)PREVIOUS_BL=`egrep '"prev_baseline"' docsrc_common/pardoc-distro.xml | sed 's/^.*<phrase>//;s/<\/phrase>.*$$//'` ; \
	  echo "**** Generating $(PKGDIFF_GEN_XML) compared to $$PREVIOUS_BL, using gen_pkgdiff.py" ; \
	  python gen_pkgdiff.py >$(PKGDIFF_GEN_XML)


# ****************************************************************************
# ***** Create Jira Issues XML section for the known bugs chapter

.PHONY:  $(JIRA_ISSUES_GEN_XML)
# We want new issue list to be generated also at build, not only at init

initissues: $(JIRA_ISSUES_GEN_XML)


cleanissues:
	@echo "Cleaning generated known issues document file"
	$(VERB)rm -f $(JIRA_ISSUES_GEN_XML) 2>/dev/null

$(JIRA_ISSUES_GEN_XML):
	@echo "**** Generating $(JIRA_ISSUES_GEN_XML), fetching from Jira using gen_known_issues.py"
	$(VERB)python gen_known_issues.py >$(JIRA_ISSUES_GEN_XML)

# ****************************************************************************

#
# All ELTF_ variables names only has upper case, underline and digits
eltf:
	@echo "# make eltf extracts and displays all ELTF_ variables found here"
	@echo "#   in $(SUBSYSROOT)/$(ELTF_PARAMS_TEMPLATE)"
	@echo "#   Replace all variables, creating a new eltf*updated.xml file from the eltf*template.xml"
	@echo "#"
	@echo "#   Only replace + push the result file $(ELTF_PARAMS_UPDATED), IF IT WILL BE CHANGED."
	@echo "#"
	@echo "#   IMPORTANT: See eltf_params_updated_template_how_to_use.txt for requirements and details!"
	@echo "#              Below is only a summary!"
	@echo "#"
	@echo "#   ELTF_ variables must be UNIQUE, e.g. a variable must not be a part of another variable"
	@echo "#"
	@echo "#   ELTF_PL_* and ELTF_T_PL_* shall have the format for programlisting and are often multiline - see below."
	@echo "#"
	@echo "#   ELTF_*_URL and ELTF_*_TXTURL are the URL part and TXT part of ulink; those shall be exactly identical,"
	@echo "#            unless the URL is very very long."
	@echo "#"
	@echo "#   ELTF_T_* are target (MACHINE) variables in one subsection, replace with machine specific strings."
	@echo "#"
	@echo "#   Append more target subsections to *updated.xml, if more than one target is in a release!"
	@echo "#            Replace the line <!-- ELTFADD_MORE_TARGET_SECTIONS_BELOW_IF_NEEDED --> with appended"
	@echo "#                   complete target section elements copied before the variables are replaced."
	@echo "#            In each target section, replace the ELTF_T* variables with machine dependent strings"
	@echo "#            Append final lines seen after <!-- ELTFADD_MORE_TARGET_SECTIONS_BELOW_IF_NEEDED -->"
	@echo "#                   but that would often only be two final </section> </section> lines"
	@echo "#"
	@echo "#   ELTF_ Variables: Replace each variable with a string, for ELTF_*PL* it can be multiline"
	@echo "#                   DO NOT use any leading or trailing spaces and DO NOT use TABs"
	@echo "#"
	@echo "#   ELTF_ Everywhere: Only 7-bit ASCII inside the string replacing a variable. Translate characters"
	@echo "#            like  & < > to &amp; &lt; &gt; etc."
	@echo "#            unless real XML shall be inserted like when entire sections are appended."
	@echo "#"
	@echo "#   ELTF_ programlisting, variables with PL in the name: Max line length < 80 char."
	@echo "#            Use backslash + indent-leading-spaces for continuation lines."
	@echo "#            Multiline. No trailing spaces on any line inside the programlisting."
	@echo "#"
	@echo "#   The following variables shall be replaced with suitable contents (egrep from the template):"
	@echo "#   Again: See details in eltf_params_updated_template_how_to_use.txt"
	@echo "#          including also examples of contents of each variable!"
	@echo "#"
	$(VERB)( egrep 'ELTF_[A-Z_0-9][A-Z_0-9]*' $(ELTF_PARAMS_TEMPLATE) 2>/dev/null | sed 's/ELTF_/\nELTF_/g' | egrep 'ELTF_[A-Z_0-9][A-Z_0-9]*' | sed 's/\(ELTF_[A-Z_0-9][A-Z_0-9]*\).*/\1/' ) | sort
	@echo "#   The make eltf also here extracts any left-over ELTF variables from $(ELTF_PARAMS_UPDATED)"
	@echo "#   It should not be any left here:"
	$(VERB)( egrep 'ELTF_[A-Z_0-9][A-Z_0-9]*' $(ELTF_PARAMS_UPDATED)  2>/dev/null | sed 's/ELTF_/\nELTF_/g' | egrep 'ELTF_[A-Z_0-9][A-Z_0-9]*' | sed 's/\(ELTF_[A-Z_0-9][A-Z_0-9]*\).*/\1/' ) | sort
	@echo "#   If you see any left-over above, something is wrong"