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Blame subr/ex_pkg_dispatch.subr

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#
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# set -o errexit -o noglob are assumed.
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#
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ex_pkg_dispatch() {
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	local _tgt_name="${1}" _pkg_name="${2}"		\
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		_restart="${3}" _restart_at="${4}"	\
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		_pkg_step_cmds _pkg_step_cmd_args;
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	if [ "${_pkg_name#*_flavour_*}" != "${_pkg_name}" ]; then
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		PKG_NAME_PARENT="${_pkg_name%_flavour_*}";
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	fi;
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	if ex_pkg_state_test "${_pkg_name}" finish; then
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		if [ -z "${_restart}" ]\
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		&& [ "${_tgt_name}" != "INVARIANTS" ]; then
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			return 0;
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		fi;
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	fi;
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	(set -o errexit -o noglob;
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	ex_pkg_vars; ex_pkg_env;
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	ex_build_fileop mkdir "${PKG_BASE_DIR}";
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	ex_build_fileop cd "${PKG_BASE_DIR}";
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	set -- $(ex_lfilter -not "${BUILD_STEPS}"	\
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			"$(ex_get_var_unsafe PKG_$(ex_toupper "${_pkg_name}")_BUILD_STEPS_DISABLE)");
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	while [ ${#} -gt 0 ]; do
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		_pkg_step_cmds=""; _pkg_step_cmd_args="";
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		case "${1#*:}" in
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		dynamic)
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			if [ "${_tgt_name}" = "INVARIANTS" ]; then
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				_pkg_step_cmds="pkg_${_pkg_name}_${1%:*} pkg_${1%:*}";
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			elif [ -n "${_restart}" ]; then
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				if [ -z "${_restart_at}" ]\
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				|| ex_lmatch "${_restart_at}" , "${1%:*}"; then
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					_pkg_step_cmds="pkg_${_pkg_name}_${1%:*} pkg_${1%:*}";
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				fi;
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			elif ! ex_pkg_state_test "${_pkg_name}" "${1%:*}"; then
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				_pkg_step_cmds="pkg_${_pkg_name}_${1%:*} pkg_${1%:*}";
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			fi; ;;
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		invariant)
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			_pkg_step_cmds="pkg_${1%:*}"; ;;
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		variant)
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			if ex_lmatch "${_restart_at}" "," "${1%:*}"; then
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				_pkg_step_cmds="pkg_${_pkg_name}_${1%:*} pkg_${1%:*}";
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			fi; ;;
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		virtual)
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			_pkg_step_cmds="pkg_${_pkg_name}_${1%:*}";
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			_pkg_step_cmd_args="${_restart_at:-ALL}"; ;;
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		all)
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			if ex_test_cmd "pkg_${_pkg_name}_${1%:*}"; then
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				"pkg_${_pkg_name}_${1%:*}" "${_restart_at:-ALL}";
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				break;
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			fi; ;;
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		finish)	ex_pkg_state_push "${_pkg_name}" finish; ;;
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		*)	;;
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		esac;
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		for __ in ${_pkg_step_cmds}; do
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			if ex_test_cmd "${__}"; then
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				ex_test_cmd "pkg_${_pkg_name}_${1%:*}_pre"	\
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					&& "pkg_${_pkg_name}_${1%:*}_pre"
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				"${__}" ${_pkg_step_cmd_args};
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				ex_test_cmd "pkg_${_pkg_name}_${1%:*}_post"	\
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					&& "pkg_${_pkg_name}_${1%:*}_post"
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				if [ "${1#*:}" != "invariant" ]\
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				&& [ ${#} -ge 2 ]; then
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					ex_pkg_state_push "${_pkg_name}" "${1%:*}" "-${2#*:}";
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				else
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					ex_pkg_state_push "${_pkg_name}" "${1%:*}";
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				fi; break;
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			fi;
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		done;
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	shift; done); return ${?};
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};
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# vim:filetype=sh