helpers_gnu.sh

function gnulib_dump_patches(){
	declare -a PATCHES=("${BLD_CONFIG_GNU_LIBS_PATCHES_DEFAULT[@]}" "${BLD_CONFIG_GNU_LIBS_PATCHES_ADDL[@]}")
	STROUT=""
	for patch in "${PATCHES[@]}"; do
		if [[ "$STROUT" ]]; then
			STROUT+=","
		fi
		STROUT+="\"${patch}\""
	done
	echo "ScriptRes=[$STROUT]" >> "$GITHUB_OUTPUT"
}

function gnulib_switch_to_master_and_patch(){
	cd $BLD_CONFIG_SRC_FOLDER

	#sed -i -E "s#(gnulib_tool=.+gnulib-tool).py\$#\1#" bootstrap

	cd $BLD_CONFIG_SRC_FOLDER/gnulib

	#we do this process to make it easier to tell what changes we have actually made vs what changes were from our patches

	git_stash_cur_work_discard_staged_work
	
	if [[ ! -z "$BLD_CONFIG_GNU_LIBS_BRANCH" ]]; then
		git checkout "$BLD_CONFIG_GNU_LIBS_BRANCH"
	fi
	echo ++++++ Running on GNULIB commit `git rev-parse --abbrev-ref HEAD` `git rev-parse HEAD`
	rm -f build-aux/wrapper_helper.sh build-aux/wrapper_helper.sh build-aux/ld-link #temporary as we add files rn that the normal checkout clean doesn't cleanup
	gnulib_patches;
	git_stash_stage_patches_and_restore_cur_work
	
	cd $BLD_CONFIG_SRC_FOLDER
	if [[ -f "Makefile.am" ]]; then
		SUBDIR_REGEX="^\\s*SUBDIRS\\s*="


		ORIG_LINE=`cat Makefile.am | grep "$SUBDIR_REGEX"`


		ORIG_LINE=" $ORIG_LINE "
		FINAL_LINE="$ORIG_LINE"

		if [[ $BLD_CONFIG_CONFIG_NO_TESTS -eq 1 ]]; then
			FINAL_LINE=${FINAL_LINE//" gnulib-tests "/" "}
			sed -E -i 's/\-\-with\-tests/--without-tests/g' bootstrap.conf
			sed -E -i 's/\-\-tests\-base[^ ]+//g' bootstrap.conf
			#if [[ $BLD_CONFIG_GNU_LIBS_USE_GNULIB_TOOL_PY -eq 1 ]]; then
				#sed -E -i 's#--automake-subdir##g' bootstrap.conf
			#fi
			sed -E -i 's/gnulib\-tests[^s]*//g' configure.ac

			rm -fr gnulib-tests
			#need to remove tests-base as it still trys to include the gunlib test file

		fi
		if [[ $BLD_CONFIG_CONFIG_NO_PO -eq 1 ]]; then
			FINAL_LINE=${FINAL_LINE//" po "/" "}
			FINAL_LINE=${FINAL_LINE//" gnulib_po "/" "}
			if [[ ! -d "build-aux" ]]; then #fixes error: required file 'build-aux/config.rpath' not found    this is a gettext file
				mkdir build-aux
			fi
			echo "" > build-aux/config.rpath
			sed -i -E 's/^[ ]*AM_GNU_GETTEXT/#AM_GNU_GETTEXT/g' configure.ac
			grep -v "texi2pdf" bootstrap.conf > tmp
			mv tmp bootstrap.conf
			if [[ -d "po" ]]; then
				echo "" > po/Makefile.in.in
			fi
		fi

		if [[ $BLD_CONFIG_CONFIG_NO_DOCS -eq 1 ]]; then
			FINAL_LINE=${FINAL_LINE//" doc "/" "}
		fi
		sed -E -i "s/${SUBDIR_REGEX}.+/$FINAL_LINE/" Makefile.am
	fi
		#echo "DBGRAN cat Makefile.am | grep $SUBDIR_REGEX ORIG LINE WAS: $ORIG_LINE NOW: $FINAL_LINE final sed cmd was: " sed -i "s/${SUBDIR_REGEX}.+/$FINAL_LINE/g" Makefile.am
	#done
}
function gnulib_ensure_buildaux_scripts_copied(){
	FORCED=0
	if [[ $1 == "--forced" ]]; then
		FORCED=1
	fi
	if [[ $BLD_CONFIG_GNU_LIBS_USED -eq 1 ]] || [[ $BLD_CONFIG_GNU_LIBS_BUILD_AUX_ONLY_USED -eq 1 ]]; then
		mkdir -p "$BLD_CONFIG_BUILD_AUX_FOLDER"
		declare -a SCRIPTS_TO_ADD=("${BLD_CONFIG_BUILD_AUX_SCRIPTS_DEFAULT[@]}" "${BLD_CONFIG_BUILD_AUX_SCRIPTS_ADDL[@]}")
		for flf in "${SCRIPTS_TO_ADD[@]}"; do
			local gnu_path=$(convert_to_universal_path "${BLD_CONFIG_BUILD_AUX_FOLDER}/${flf}")
			local SRC_PATH="${BLD_CONFIG_SRC_FOLDER}/gnulib/build-aux/${flf}"
			if [[ ! -e "${gnu_path}" || $FORCED -eq 1 ]]; then
				if [[ -e "${SRC_PATH}" ]]; then #we have gnulib the build aux folder and ar-lib so hopefully its our patched version
					cp "${SRC_PATH}" "${gnu_path}"
				else #no gnulib local so lets fetch it from remote
					wget --quiet "https://raw.githubusercontent.com/mitchcapper/gnulib/ours_build_aux_handle_dot_a_libs/build-aux/${flf}" -O "${gnu_path}"
				fi
			fi
		done
	fi
}
function gnulib_add_addl_modules_to_bootstrap(){
	cd $BLD_CONFIG_SRC_FOLDER
	declare -a LIB_ADD=("${BLD_CONFIG_GNU_LIBS_DEFAULT[@]}" "${BLD_CONFIG_GNU_LIBS_ADDL[@]}")
	CUR_MODULES=""
	BOOT_FILE=""
	INDENT=""
	if [[ -f "gnulib.modules" ]]; then #ie tar style
		CUR_MODULES=`cat gnulib.modules | grep "^[A-Za-z0-9]" | sed 's/^ *//;s/ *$//'`;
		BOOT_FILE=`cat gnulib.modules | grep -v "^[A-Za-z0-9]"`;
	else
		#use \K to get exactly what we want here sed doesn't do \K so will just capture the group and sub that as grep doesnt do that
		
		CUR_MODULES=`grep -Pzo "\n[ \t]*gnulib_modules\s*=\s*[\"'\x5c]+\K[^\"'\x5c]+" bootstrap.conf  | sed 's/^ *//;s/ *$//' | tr -d '\0'`

		BOOT_FILE=`sed -z -E "s#(\n[ \t]*gnulib_modules\s*=\s*['\"]+)[\n\x5c]*[^\"'\x5c]+#\1\nTOREPLACEZSTR\n#" bootstrap.conf  | sed ''`
		INDENT="    "
	fi
	CUR_MODULES=$"${CUR_MODULES}"$'\n'`printf '%s\n' "${LIB_ADD[@]}"`
	CUR_MODULES=`echo "$CUR_MODULES" | sort -u | sed "s#^#${INDENT}#"`

	if [[ -f "gnulib.modules" ]]; then
		BOOT_FILE="$BOOT_FILE"$'\n'"$CUR_MODULES"
		echo "${BOOT_FILE}" > gnulib.modules
	else
		echo "${BOOT_FILE/TOREPLACEZSTR/"$CUR_MODULES"$'\n'}" > bootstrap.conf
	fi
}
		
function libtool_fixes(){
	# even when symlink is used for autotools the m4 macro and the build-aux/ltmain.sh are still copied so fine to edit directly
	# first the newer libtools have more windows support but that makes things actually a bit harder as it has some issues
	# first it puts the export symbol commands in a .exp file but that is used by the compiler too so .expsym is better and used elsewhere
	# Secondly it does -Fe [arg] but it needs to be next to the -Fe[arg]
	# ie libtool_fixes "build-aux/ltmain.sh" "m4/libtool.m4"
	# note you must run autoreconf after this if it wont automatically happen.  Sometimes these will not be present until after the first bootstrap though so likely want to run autoreconf ourselves.
#	local POS_FILES=("build-aux/ltmain.sh" "m4/libtool.m4")
#	for fl in "${POS_FILES[@]}"; do
#		if [[ -e "$fl" ]]; then

			sed -i -E "s/(\\.exp)/\1sym/g;s/expsymsym/expsym/g;s/-Fe /-Fe/g" "$@"
			sed -i -E "s/func_convert_core_msys_to_w32 \(/func_convert_core_msys_to_w32  (){ func_convert_core_msys_to_w32_result=\$1; }\\nfunc_convert_core_msys_to_w32_old (/" "$@"
			#sed -i -E "s#(gnulib_tool=.+gnulib-tool)\$#\1.py#" bootstrap
#		fi
	#done
}
function setup_gnulibtool_py_autoconfwrapper(){
	if [[ $BLD_CONFIG_GNU_LIBS_AUTORECONF_WRAPPER -eq 1 ]]; then
		local TARGET_FL="${BLD_CONFIG_BUILD_AUX_FOLDER}/AUTORECONF_prewrapper.sh"
		#For things like coreutils bootstrap will create the mk files we need to fix before it also then runs autoreconf so we will just use our wrapper for autoreconf, call ourselves, then call autoreconf
		if [[ ! -e "$TARGET_FL" ]]; then
			WRAPPER=`cat "${SCRIPT_FOLDER}/AUTORECONF_prewrapper.sh.template"`
			WRAPPER="${WRAPPER/SCRIPT_PATH/"$CALL_SCRIPT_PATH"}"
			mkdir -p "$BLD_CONFIG_BUILD_AUX_FOLDER"
			echo "${WRAPPER}" > "$TARGET_FL"
		fi
		export AUTORECONF="$TARGET_FL"

		#gnulib_tool_py_remove_nmd_makefiles;
	fi
	gnulib_ensure_buildaux_scripts_copied; #this has nothing to do wit autoconf but for some reason can get more failures with debug otherwise.
}
function gnulib_tool_py_remove_nmd_makefiles() {
	echo "DONT THINK NEEDED ANYMORE" 1>&2
	exit 1
	#this taken from the normal gnulib_tool process, not sure lib/ will exist yet

	#sed_eliminate_NMD='s/@NMD@//;/@!NMD@/d' #this is what is needed for automake subdirs but as that doesn't work with gnulib-tool..py right now no need to worry about it
	sed_eliminate_NMD='/@NMD@/d;s/@!NMD@//'
	local FILES=`find . -maxdepth 3 -name Makefile.am`
	if [[ "${FILES}" != "" ]]; then
		mapfile -t TO_FIX <<<$FILES
		TO_FIX=("${TO_FIX[@]}" "${BLD_CONFIG_GNU_LIBS_USE_GNULIB_TOOL_PY_ADDL_MK_FILES_FIX[@]}")
		for fl in "${TO_FIX[@]}"; do
			if [[ -f "${fl}" ]]; then
				# we grep first so we only modify files we would change 
				(grep '@NMD@' "${fl}" &>/dev/null && sed -i -e "$sed_eliminate_NMD" "${fl}") || true
			fi
		done
	fi
	#sed -i -E '/@NMD@/d;s/@!NMD@//' lib/Makefile.am Makefile.am
	#sed -i -E "s#(gnulib_tool=.+gnulib-tool)\$#\1.py#" bootstrap
}
function gnulib_apply_patch(){
	local patch=$1
	local options=$2 #only valid option is skip_fixes right now

	git_apply_patch "$WIN_SCRIPT_FOLDER/patches/patches_GNULIB_${patch}.patch"

}
function gnulib_patches(){
	declare -a PATCHES=("${BLD_CONFIG_GNU_LIBS_PATCHES_DEFAULT[@]}" "${BLD_CONFIG_GNU_LIBS_PATCHES_ADDL[@]}")
	for patch in "${PATCHES[@]}"; do
		gnulib_apply_patch "$patch"
	done
}