Blame subr/ex_pkg_dispatch.subr

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#
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# set +o errexit -o noglob -o nounset is assumed.
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#
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#
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# exp_pkg_dispatch_complete() - XXX
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# @_dispatch_fn:	top-level dispatch function name
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# @_group_names:	build group name(s)
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# @_pkg_disabled:	list of disabled packages
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# @_pkg_finished:	list of finished packages
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#
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# Return:		zero (0) on success, non-zero (>0) on failure.
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#
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exp_pkg_dispatch_complete() {
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	local _dispatch_fn="${1}" _group_name="${2}" _pkg_disabled="${3}" _pkg_finished="${4}" _pkg_name="";
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	for _pkg_name in ${_pkg_disabled}; do
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		"${_dispatch_fn}" disabled_pkg "${_group_name}" "${_pkg_name}";
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	done;
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	for _pkg_name in ${_pkg_finished}; do
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		"${_dispatch_fn}" skipped_pkg "${_group_name}" "${_pkg_name}";
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	done;
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};
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#
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# exp_pkg_dispatch_expand_packages() - expand build group name to list of packages ordered and filtered according to dependency and restart constraints
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# @_checkfl:		enable (1) or inhibit (0) dependency expansion
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# @_forcefl:		enable (1) or inhibit (0) forcibly rebuilding finished packages
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# @_group_name:		build group name
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# @_restart:		optional whitespace-separated list of package names to rebuild
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# @_reversefl:		unfold reverse dependencies (1) or dependencies (0)
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#
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# Return:		zero (0) on success, non-zero (>0) on failure, ${EX_PKG_DISABLED}, ${EX_PKG_FINISHED}, and ${EX_PKG_NAMES} set post-return.
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#
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exp_pkg_dispatch_expand_packages() {
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	local	_checkfl="${1}" _forcefl="${2}" _group_name="${3}" _restart="${4}" _reversefl="${5}"\
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		_pkg_names=""; EX_PKG_DISABLED=""; EX_PKG_FINISHED=""; EX_PKG_NAMES="";
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	if _pkg_names="$(rtl_get_var_unsafe -u "${_group_name}_PACKAGES")"\
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	&& [ -n "${_pkg_names}" ]; then
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		if [ "${_reversefl:-0}" -eq 0 ]; then
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			ex_pkg_unfold_depends "${_checkfl}" "${_forcefl}" "${_group_name}" "${_pkg_names}" "${_restart}" 1;
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		else	ex_pkg_unfold_rdepends "${_group_name}" "${_pkg_names}" "${_restart}" 1;
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		fi;
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	fi;
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	return 0;
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};
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#
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# exp_pkg_dispatch_group() - dispatch a single build group
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# @_build_steps_default:	list of default build steps
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# @_build_vars_default:		list of default build variables
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# @_checkfl:			enable (1) or inhibit (0) dependency expansion
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# @_dispatch_fn:		top-level dispatch function name
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# @_group_name:			build group name
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# @_njobs_max:			maximum count of simultaneous jobs
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# @_pipe_path:			pathname to build FIFO
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# @_restart_at:			optional comma-separated list of build steps at which to rebuild or ALL
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# @_workdir:			pathname to build-specific temporary directory
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#
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# Return:			zero (0) on success, non-zero (>0) on failure.
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#
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exp_pkg_dispatch_group() {
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	local	_build_steps_default="${1}" _build_vars_default="${2}" _checkfl="${3}"		\
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		_dispatch_fn="${4}" _group_name="${5}" _njobs_max="${6}" _pipe_path="${7}"	\
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		_restart_at="${8}" _workdir="${9}" _pipe_msg="" _pkg_name="" _rc=0;
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	rtl_fileop mkfifo "${_pipe_path}";
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	while true; do
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		while [ "${EXP_PKG_DISPATCH_NJOBS:-0}" -gt 0 ] && read _pipe_msg; do
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		case "${_pipe_msg%% *}" in
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		done)	_pkg_name="${_pipe_msg#done * }"; : $((EXP_PKG_DISPATCH_NJOBS-=1));
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			EX_PKG_FINISHED="$(rtl_lconcat "${EX_PKG_FINISHED}" "${_pkg_name}")";
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			"${_dispatch_fn}" finish_pkg ${_pipe_msg#done };
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			EX_PKG_NAMES="$(rtl_lfilter "${EX_PKG_NAMES}" "${_pkg_name}")";
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			EX_PKG_DISPATCH_WAIT="$(rtl_lfilter "${EX_PKG_DISPATCH_WAIT}" "${_pkg_name}")";
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			if [ -n "${EX_PKG_NAMES}" ] && [ "${_rc}" -eq 0 ]; then
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				if [ "${EXP_PKG_DISPATCH_NJOBS}" -ne "${_njobs_max}" ]; then
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					exp_pkg_dispatch_packages "${_build_steps_default}"	\
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						"${_build_vars_default}" "${_checkfl}"		\
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						"${_dispatch_fn}" "${_group_name}"		\
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						"${_njobs_max}" "${_pipe_path}"			\
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						"${EX_PKG_DISABLED}" "${EX_PKG_FINISHED}"	\
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						"${_restart_at}" "${_workdir}";
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				fi;
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			elif [ "${EXP_PKG_DISPATCH_NJOBS:-0}" -eq 0 ]; then
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				break;
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			fi; ;;
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		fail)	: $((EXP_PKG_DISPATCH_NJOBS-=1)); _rc=1;
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			"${_dispatch_fn}" fail_pkg ${_pipe_msg#fail }; ;;
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		msg_pkg)
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			"${_dispatch_fn}" msg_pkg ${_pipe_msg#msg_pkg }; ;;
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		step)	"${_dispatch_fn}" step_pkg ${_pipe_msg#step }; ;;
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		esac; done <>"${_pipe_path}";
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		if [ -n "${EX_PKG_NAMES}" ] && [ "${_rc}" -eq 0 ]; then
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			if [ "${EXP_PKG_DISPATCH_NJOBS}" -ne "${_njobs_max}" ]; then
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				exp_pkg_dispatch_packages "${_build_steps_default}"		\
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					"${_build_vars_default}" "${_checkfl}"			\
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					"${_dispatch_fn}" "${_group_name}"			\
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					"${_njobs_max}" "${_pipe_path}"				\
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					"${EX_PKG_DISABLED}" "${EX_PKG_FINISHED}"		\
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					"${_restart_at}" "${_workdir}";
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			fi;
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		elif [ "${EXP_PKG_DISPATCH_NJOBS:-0}" -eq 0 ]; then
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			break;
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		fi;
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	done;
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	rtl_fileop rm "${_pipe_path}";
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	return "${_rc}";
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};
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#
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# exp_pkg_dispatch_package() - dispatch single named packages
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# @_build_steps_default:	list of default build steps
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# @_build_vars_default:		list of default build variables
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# @_dispatch_fn:		top-level dispatch function name
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# @_group_name:			build group name
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# @_pkg_name:			single package name
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# @_restart_at:			optional comma-separated list of build steps at which to rebuild or ALL
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# @_workdir:			pathname to build-specific temporary directory
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#
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# Return:			zero (0) on success, non-zero (>0) on failure, ${EXP_PKG_DISPATCH_NJOBS}, ${EXP_PKG_DISPATCH_COUNT}, ${EX_PKG_NAMES}, and ${EX_PKG_DISPATCH_WAIT} may be mutated post-return.
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#
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exp_pkg_dispatch_package() {
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	local	_build_steps_default="${1}" _build_vars_default="${2}" _dispatch_fn="${3}"	\
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		_group_name="${4}" _pkg_name="${5}" _restart_at="${6}" _workdir="${7}";
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	if "${_dispatch_fn}" start_pkg "${_group_name}" "${_pkg_name}" "$((${EXP_PKG_DISPATCH_COUNT}+1))" "${EXP_PKG_DISPATCH_COUNT_MAX}"; then
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		: $((EXP_PKG_DISPATCH_NJOBS+=1)); : $((EXP_PKG_DISPATCH_COUNT+=1)); EX_PKG_DISPATCH_WAIT="$(rtl_lconcat "${EX_PKG_DISPATCH_WAIT}" "${_pkg_name}")";
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		(trap "if [ \${?} -eq 0 ]; then							\
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			printf \"done %s %s\n\" \"${_group_name}\" \"${_pkg_name}\" >&3;	\
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		      else									\
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			printf \"fail %s %s\n\" \"${_group_name}\" \"${_pkg_name}\" >&3;	\
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			pkill -U "${$}";							\
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		      fi;" EXIT HUP INT TERM USR1 USR2;
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		set +o errexit -o noglob -o nounset; BUILD_IS_PARENT=0; rtl_log_set_fname ""; rtl_log_set_no_attr 1;
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		if ex_pkg_env "${_build_steps_default}" "${_build_vars_default}"		\
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				"${_group_name}" 0 "${_pkg_name}" "${_restart_at}" "${_workdir}"; then
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			ex_pkg_exec "${_dispatch_fn}" "${_group_name}" "${_pkg_name}" "${_restart_at}";
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		else
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			return 1;
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		fi;) 1>"${_workdir}/${_pkg_name}_stderrout.log" 2>&1 3>"${_pipe_path}" &
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	else
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		return 1;
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	fi;
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};
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#
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# exp_pkg_dispatch_packages() - dispatch set of packages
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# @_build_steps_default:	list of default build steps
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# @_build_vars_default:		list of default build variables
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# @_checkfl:			enable (1) or inhibit (0) dependency expansion
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# @_dispatch_fn:		top-level dispatch function name
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# @_group_name:			build group name
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# @_njobs_max:			maximum count of simultaneous jobs
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# @_pipe_path:			pathname to parent-child process FIFO
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# @_pkg_disabled:		list of disabled packages
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# @_pkg_finished:		list of finished packages
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# @_restart_at:			optional comma-separated list of build steps at which to rebuild or ALL
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# @_workdir:			pathname to build-specific temporary directory
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#
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# Return:			zero (0) on success, non-zero (>0) on failure, ${EXP_PKG_DISPATCH_NJOBS}, ${EXP_PKG_DISPATCH_COUNT}, ${EX_PKG_NAMES}, and ${EX_PKG_DISPATCH_WAIT} may be mutated post-return.
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#
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exp_pkg_dispatch_packages() {
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	local	_build_steps_default="${1}" _build_vars_default="${2}" _checkfl="${3}"		\
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		_dispatch_fn="${4}" _group_name="${5}" _njobs_max="${6}" _pipe_path="${7}"	\
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		_pkg_disabled="${8}" _pkg_finished="${9}" _restart_at="${10}" _workdir="${11}"	\
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		_foundfl=0 _njob=0 _pkg_depends="" _pkg_name="";
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	while [ "${EXP_PKG_DISPATCH_NJOBS:-0}" -lt "${_njobs_max}" ]; do
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		_foundfl=0;
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		for _pkg_name in ${EX_PKG_NAMES}; do
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			if ! rtl_lmatch "${_pkg_disabled}" "${_pkg_name}"\
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			&& ! rtl_lmatch "${_pkg_finished}" "${_pkg_name}"\
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			&& ! rtl_lmatch "${EX_PKG_DISPATCH_WAIT}" "${_pkg_name}"\
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			&& ex_pkg_check_depends "${_checkfl}" "${_pkg_disabled}" "${_pkg_finished}"	\
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					"${_pkg_name}" "${EX_PKG_DISPATCH_WAIT}"; then
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				exp_pkg_dispatch_package "${_build_steps_default}"			\
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					"${_build_vars_default}" "${_dispatch_fn}"			\
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					"${_group_name}" "${_pkg_name}" "${_restart_at}"		\
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					"${_workdir}"; _foundfl=1; break;
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			fi;
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		done;
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		if [ "${_foundfl:-0}" -eq 0 ]; then
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			break;
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		fi;
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	done;
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};
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#
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# ex_pkg_dispatch() - dispatch a set of build group
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# @_build_steps_default:	list of default build steps
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# @_build_vars_default:		list of default build variables
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# @_dispatch_fn:		top-level dispatch function name
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# @_group_names:		build group name(s)
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# @_groups_inhibit_deps:	inhibit group-group dependency expansion
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# @_njobs_max:			maximum count of simultaneous jobs
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# @_pipe_path:			pathname to build FIFO
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# @_restart:			optional whitespace-separated list of package names to rebuild
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# @_restart_at:			optional comma-separated list of build steps at which to rebuild or ALL
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# @_restart_recursive:		optional flag specifiying either no dependency expansion (0,) dependency expansion (1,) dependency expansion and forcibly rebuild (2,) forcibly rebuild reverse dependencies (3.)
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# @_workdir:			pathname to build-specific temporary directory
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#
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# Return:			zero (0) on success, non-zero (>0) on failure, ${EX_PKG_DISPATCH_WAIT} mutated post-return.
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#
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ex_pkg_dispatch() {
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	local	_build_steps_default="${1}" _build_vars_default="${2}" _dispatch_fn="${3}"		\
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		_group_names="${4}" _groups_inhibit_deps="${5}" _njobs_max="${6}" _pipe_path="${7}"	\
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		_restart="${8}" _restart_at="${9}" _restart_recursive="${10}" _workdir="${11}"		\
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		_checkfl=1 _forcefl=0 _pkg_name="" _pkg_names="" _rc=0 _reversefl=0			\
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		EX_PKG_DISABLED EX_PKG_FINISHED EX_PKG_NAMES EXP_PKG_DISPATCH_COUNT			\
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		EXP_PKG_DISPATCH_COUNT_MAX EXP_PKG_DISPATCH_NJOBS; EX_PKG_DISPATCH_WAIT="";
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	case "${_groups_inhibit_deps:-0}" in
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	0)	_group_names="$(rtl_uniq $(rtl_lunfold_depends '${_name}_GROUP_DEPENDS' ${_group_names}))";
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	esac;
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	if [ -n "${_restart}" ]; then
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		case "${_restart_recursive:-0}" in
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		0)	_checkfl=0; _forcefl=0; _reversefl=0; ;;
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		1)	_checkfl=1; _forcefl=0; _reversefl=0; ;;
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		2)	_checkfl=1; _forcefl=1; _reversefl=0; ;;
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		3)	_checkfl=1; _forcefl=1; _reversefl=1; ;;
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		esac;
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	fi;
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	for _group_name in ${_group_names}; do
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		EX_PKG_DISABLED=""; EX_PKG_DISPATCH_WAIT=""; EX_PKG_FINISHED=""; EX_PKG_NAMES="";
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		EXP_PKG_DISPATCH_COUNT=0; EXP_PKG_DISPATCH_COUNT_MAX=0; EXP_PKG_DISPATCH_NJOBS=0;
Lucio Andrés Illanes Albornoz c6d6e0
		if "${_dispatch_fn}" start_group "${_group_name}" ""; then
Lucio Andrés Illanes Albornoz c6d6e0
			if rtl_fileop mkdir "${_workdir}"\
Lucio Andrés Illanes Albornoz b6a9a1
			&& rtl_log_msg notice "Resolving \`%s' dependencies..." "${_group_name}"\
Lucio Andrés Illanes Albornoz b6a9a1
			&& exp_pkg_dispatch_expand_packages "${_checkfl}" "${_forcefl}" "${_group_name}" "${_restart}" "${_reversefl}"\
Lucio Andrés Illanes Albornoz 60fba6
			&& exp_pkg_dispatch_complete "${_dispatch_fn}" "${_group_name}" "${EX_PKG_DISABLED}" "${EX_PKG_FINISHED}"\
Lucio Andrés Illanes Albornoz b6a9a1
			&& rtl_log_msg notice "Resolved \`%s' dependencies." "${_group_name}"\
Lucio Andrés Illanes Albornoz 60fba6
			&& EXP_PKG_DISPATCH_COUNT_MAX="$(rtl_llength "${EX_PKG_NAMES}")"\
Lucio Andrés Illanes Albornoz c6d6e0
			&& [ "${EXP_PKG_DISPATCH_COUNT_MAX}" -gt 0 ]; then
Lucio Andrés Illanes Albornoz 60fba6
				_pkg_names="$(rtl_lconcat "${_pkg_names}" "${EX_PKG_NAMES}")";
Lucio Andrés Illanes Albornoz c6d6e0
				exp_pkg_dispatch_group "${_build_steps_default}"			\
Lucio Andrés Illanes Albornoz b6a9a1
					"${_build_vars_default}" "${_checkfl}" "${_dispatch_fn}"	\
Lucio Andrés Illanes Albornoz b6a9a1
					"${_group_name}" "${_njobs_max}" "${_pipe_path}"		\
Lucio Andrés Illanes Albornoz b6a9a1
					"${_restart_at}" "${_workdir}"; _rc="${?}";
Lucio Andrés Illanes Albornoz c6d6e0
			fi;
Lucio Andrés Illanes Albornoz c6d6e0
			"${_dispatch_fn}" finish_group "${_group_name}" "";
Lucio Andrés Illanes Albornoz c6d6e0
			if [ "${_rc}" -ne 0 ]; then
Lucio Andrés Illanes Albornoz c6d6e0
				break;
Lucio Andrés Illanes Albornoz c6d6e0
			fi;
Lucio Andrés Illanes Albornoz 2b85d0
		fi;
Lucio Andrés Illanes Albornoz b6a9a1
	done; return "${_rc}";
Lucio Andrés Illanes Albornoz (arab, vxp) 1da591
};
Lucio Andrés Illanes Albornoz (arab, vxp) 1da591
Lucio Andrés Illanes Albornoz 2b85d0
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