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Blame subr/ex_pkg_steps.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_steps() {
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	local _tgt_name="${1}" _pkg_name="${2}"				\
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		_restart="${3}" _restart_at="${4}"			\
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		_step _step_type					\
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		_step_cmds _step_cmd_args				\
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		_step_cmd_pfx _step_cmd _step_next;
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	set -- $(ex_lfilter -not "${BUILD_STEPS}" "${PKG_BUILD_STEPS_DISABLE}");
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	while [ ${#} -gt 0 ]; do
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		_step="${1}"; _step_next="${2}";
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		_step_cmds=""; _step_cmd_args="";
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		_step_type="${_step#*:}";
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		_step="${_step%%:*}";
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		_step_cmd_pfx="pkg_${_pkg_name}_${_step}";
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		case "${_step_type}" in
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		dynamic)
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			if [ "${_tgt_name}" = "INVARIANTS" ]; then
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				_step_cmds="${_step_cmd_pfx} pkg_${_step}";
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			elif [ -n "${_restart}" ]; then
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				if [ -z "${_restart_at}" ]\
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				|| ex_lmatch "${_restart_at}" , "${_step}"; then
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					_step_cmds="${_step_cmd_pfx} pkg_${_step}";
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				fi;
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			elif ! ex_pkg_state_test "${_pkg_name}" "${_step}"; then
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				_step_cmds="${_step_cmd_pfx} pkg_${_step}";
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			fi; ;;
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		invariant)
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			_step_cmds="pkg_${_step}"; ;;
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		variant)
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			if ex_lmatch "${_restart_at}" "," "${_step}"; then
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				_step_cmds="${_step_cmd_pfx} pkg_${_step}";
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			fi; ;;
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		virtual)
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			_step_cmds="pkg_${_pkg_name}_${_step}";
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			_step_cmd_args="${_restart_at:-ALL}"; ;;
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		all)
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			if ex_test_cmd "pkg_${_pkg_name}_${_step}"; then
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				"${_step_cmd_pfx}" "${_restart_at:-ALL}";
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				break;
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			fi; ;;
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		finish)	ex_pkg_state_push "${_pkg_name}" finish; ;;
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		*)	;;
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		esac;
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		for _step_cmd in ${_step_cmds}; do
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			if ex_test_cmd "${_step_cmd}"; then
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				ex_test_cmd "${_step_cmd_pfx}_pre"	\
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					&& "${_step_cmd_pfx}_pre"
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				"${_step_cmd}" ${_step_cmd_args};
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				ex_test_cmd "${_step_cmd_pfx}_post"	\
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					&& "${_step_cmd_pfx}_post"
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				if [ "${_step_type}" != "invariant" ]	\
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				&& [ -n "${_step_next}" ]; then
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					ex_pkg_state_push "${_pkg_name}" "${_step}";
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					ex_pkg_state_push "${_pkg_name}" "-${_step_next}";
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				else
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					ex_pkg_state_push "${_pkg_name}" "${_step}";
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				fi; break;
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			fi;
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		done;
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	shift; done;
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};
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# vim:filetype=sh