midipix / build / midipix_build

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Blame subr/ex_pkg_exec.subr

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#
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# set +o errexit -o noglob is assumed.
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#
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#
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# exp_pkg_exec_pre() - XXX
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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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#
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# Return:		zero (0) on success, non-zero (>0) on failure
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#
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exp_pkg_exec_pre() {
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	local _group_name="${1}" _pkg_name="${2}" _restart_at="${3}";
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	if [ -z "${PKG_URL}" ]\
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	&& [ -z "${PKG_URLS_GIT}" ]\
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	&& [ -z "${PKG_VERSION}" ]\
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	&& ! rtl_test_cmd "pkg_${_pkg_name}_all"; then
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		"${_dispatch_fn}" missing_pkg "${_group_name}" "${_pkg_name}";
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		return 1;
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	elif ! ex_pkg_state_test "${_pkg_name}" "start" "${_restart_at}"; then
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		if [ "${PKG_NO_CLEAN_BASE_DIR:-0}" -eq 0 ]\
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		&& ! rtl_fileop rm "${PKG_BASE_DIR}" "${PKG_BUILD_DIR}" "${PKG_DESTDIR}"\
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		|| ! rtl_fileop mkdir "${PKG_BASE_DIR}"; then
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			return 1;
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		fi;
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		if ! rtl_fileop mkdir "${PKG_BUILD_DIR}" "${PKG_DESTDIR}"\
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		|| ! ex_pkg_state_set "${_pkg_name}" "start"; then
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			return 1;
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		fi;
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	fi;
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	rtl_fileop cd "${PKG_BUILD_DIR}";
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};
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#
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# exp_pkg_exec_step() - XXX
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# @_group_name:		build group name
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# @_pkg_name:		single package name
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# @_restart_at:		optional comma-separated list of build steps at which to rebuild or ALL
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# @_step:		build step to execute
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#
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# Return:		zero (0) on success, non-zero (>0) on failure
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#
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exp_pkg_exec_step() {
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	local	_group_name="${1}" _pkg_name="${2}" _restart_at="${3}" _step="${4}"	\
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		_fn_name="" _pkg_step_fn="" _rc=0;
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	if rtl_test_cmd "pkg_${_pkg_name}_${_step}"; then
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		_pkg_step_fn="pkg_${_pkg_name}_${_step}";
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	else
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		_pkg_step_fn="pkg_${_step}";
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	fi;
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	for _fn_name in \
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			"pkg_${_pkg_name}_${_step}_pre"	\
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			"${_pkg_step_fn}"		\
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			"pkg_${_pkg_name}_${_step}_post"; do
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		if rtl_test_cmd "${_fn_name}"\
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		&& ! "${_fn_name}" "${_group_name}" "${_pkg_name}" "${_restart_at}"; then
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			_rc=1; break;
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		fi;
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	done;
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	return "${_rc}";
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};
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#
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# exp_pkg_exec() - XXX
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# @_dispatch_fn:	top-level dispatch function name
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# @_group_name:		build group name
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# @_pkg_name:		single package name
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# @_restart_at:		optional comma-separated list of build steps at which to rebuild or ALL
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#
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# Return:		zero (0) on success, non-zero (>0) on failure
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#
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ex_pkg_exec() {
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	local	_dispatch_fn="${1}" _group_name="${2}" _pkg_name="${3}" _restart_at="${4}"	\
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		_rc=0 _step="" _step_next="";
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	trap "if [ \${?} -eq 0 ]; then								\
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		echo \"done ${_group_name} ${_pkg_name}\" >&3;					\
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	      else										\
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		echo \"fail ${_group_name} ${_pkg_name}\" >&3;					\
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		pkill -U "${$}";								\
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	      fi;" EXIT HUP INT TERM USR1 USR2;
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	if exp_pkg_exec_pre "${_group_name}" "${_pkg_name}" "${_restart_at}"\
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	&& "${_dispatch_fn}" start_pkg_child "${_group_name}" "${_pkg_name}"; then
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		if rtl_test_cmd "pkg_${_pkg_name}_all"; then
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			"pkg_${_pkg_name}_all" "${_restart_at}"; _rc="${?}";
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		else	set -- ${PKG_BUILD_STEPS};
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			while [ ${#} -gt 0 ]; do
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				_step="${1}"; _step_next="${2}"; shift;
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				if [ "${PKG_FORCE:-0}" -eq 0 ]\
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				&& ex_pkg_state_test "${_pkg_name}" "${_step}" "${_restart_at}"	; then
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					continue;
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				elif ! exp_pkg_exec_step "${_group_name}" "${_pkg_name}" "${_restart_at}" "${_step}"; then
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					_rc=1; break;
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				else
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					echo "step ${_group_name} ${_pkg_name} ${_step}" >&3;
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					ex_pkg_state_set "${_pkg_name}" "${_step}" "${_step_next:+-${_step_next}}";
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				fi;
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			done;
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		fi;
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		if [ "${_rc:-0}" -eq 0 ]; then
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			if [ -z "${_restart_at}" ]\
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			|| [ "${_restart_at}" = "ALL" ]; then
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				ex_pkg_state_set "${_pkg_name}" finish;
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			fi;
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		fi;
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	fi;
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	return "${_rc}";
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};
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# vim:filetype=sh