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#
# set -o noglob is assumed.
# WARNING: ex_pkg_dispatch(), its caller, and its callers must _NOT_ be executed
# as part of conditional evaluation, e.g. if, until, while, !, or && and ||, as
# doing so would inhibit set -o errexit during execution of this function and its
# subshell(!). Instead, call ex_pkg_dispatch() and subsequently evaluate ${?}.
#
exp_pkg_check_depends() {
local _pkg_depends="${1}" _pkg_name="${2}" _dependfl=0;
for _pkg_name_depend in ${_pkg_depends}; do
if [ -n "$(ex_rtl_lsearch "${_pkgs_wait}" "${_pkg_name_depend}")" ]\
|| [ -z "$(ex_rtl_lsearch "${_pkgs_complete}" "${_pkg_name_depend}")" ]; then
_dependfl=1; break;
fi;
done;
return "${_dependfl}";
};
exp_pkg_dispatch_group() {
local _njob=0 _pkg_depends="" _pkg_name="";
for _njob in $(seq 1 $((${_njobs_max}-${_njobs}))); do
for _pkg_name in ${_pkg_names}; do
if [ -z "$(ex_rtl_lsearch "${_pkgs_complete}" "${_pkg_name}")" ] \
&& [ -z "$(ex_rtl_lsearch "${_pkgs_wait}" "${_pkg_name}")" ] \
&& _pkg_depends="$(exp_pkg_expand_packages $(ex_rtl_get_var_unsafe "PKG_$(ex_rtl_toupper "${_pkg_name}")_DEPENDS"))"\
&& exp_pkg_check_depends "${_pkg_depends}" "${_pkg_name}" \
&& exp_pkg_dispatch_package "${_dispatch_fn}" "${_group_name}" \
"${_pkg_name}" "${_restart_at}" "${_stderrout_path}" \
"${_pipe_path}"; then
_pkgs_found_new="${_pkgs_found_new:+${_pkgs_found_new} }${_pkg_name}";
_pkg_names="$(ex_rtl_lfilter "${_pkg_names}" "${_pkg_name}")";
break;
fi;
done;
done;
};
exp_pkg_dispatch_package() {
local _dispatch_fn="${1}" _group_name="${2}" _pkg_name="${3}" _restart_at="${4}" \
_stderrout_path="${5}" _pipe_path="${6}" _pkg_name_uc="" _rc=0;
_pkg_name_uc="$(ex_rtl_toupper "${_pkg_name}")";
if [ -n "$(ex_rtl_get_var_unsafe PKG_${_pkg_name_uc}_DISABLED)" ]; then
_pkgs_complete="${_pkgs_complete:+${_pkgs_complete} }${_pkg_name}"; _rc=1;
"${_dispatch_fn}" disabled_pkg "${_group_name}" "${_pkg_name}";
elif ex_pkg_state_test "${_pkg_name}" finish\
&& [ -z "${_restart_at}" ]; then
_pkgs_complete="${_pkgs_complete:+${_pkgs_complete} }${_pkg_name}"; _rc=1;
"${_dispatch_fn}" skipped_pkg "${_group_name}" "${_pkg_name}";
else
_pkgs_wait="${_pkgs_wait:+${_pkgs_wait} }${_pkg_name}";
_stderrout_path="${BUILD_WORKDIR}/${_pkg_name}_stderrout.log";
"${_dispatch_fn}" start_pkg "${_group_name}" "${_pkg_name}";
(set -o errexit -o noglob; BUILD_IS_PARENT=0;
ex_pkg_env "${_group_name}" "${_pkg_name}" "${_restart_at}";
ex_pkg_exec "${_group_name}" "${_pkg_name}" "${_restart_at}" \
"${_dispatch_fn}";) 1>"${_stderrout_path}" 2>&1 3>"${_pipe_path}" &
: $((_njobs+=1));
fi;
return "${_rc}";
};
exp_pkg_expand_packages() {
local _pkg_depends="" _pkg_name="" _pkg_names="";
for _pkg_name in "${@}"; do
_pkg_depends="$(ex_rtl_get_var_unsafe "PKG_$(ex_rtl_toupper "${_pkg_name}")_DEPENDS")";
if [ -n "${_pkg_depends}" ]; then
_pkg_depends="$(exp_pkg_expand_packages ${_pkg_depends})";
_pkg_names="${_pkg_names:+${_pkg_names} }${_pkg_depends} ${_pkg_name}";
else
_pkg_names="${_pkg_names:+${_pkg_names} }${_pkg_name}";
fi;
done;
echo "${_pkg_names}";
};
exp_pkg_get_packages() {
local _dispatch_fn="${1}" _group_name="${2}" _restart="${3}" _group_name_uc="" _pkg_names="";
_group_name_uc="$(ex_rtl_toupper "${_group_name}")";
_pkg_names="$(ex_rtl_get_var_unsafe ${_group_name_uc}_PACKAGES)";
if [ -n "${_restart}" ]\
&& ! ex_rtl_lmatch "ALL LAST" " " "${_restart}"; then
_pkg_names="$(ex_rtl_lsearch "${_pkg_names}" "${_restart}")";
fi;
echo "$(ex_rtl_uniq $(exp_pkg_expand_packages ${_pkg_names}))";
};
ex_pkg_dispatch() {
local _group_name="${1}" _restart="${2}" _restart_at="${3}" _dispatch_fn="${4}" _pkgs_found_vname="${5}" \
_njob="" _njobs=0 _njobs_max=1 _pipe_msg="" _pipe_path="${BUILD_WORKDIR}/build.fifo" \
_pkg_name="" _pkg_names="" _pkgs_complete="" _pkgs_found="" _pkgs_found_new="" _pkgs_wait="" \
_script_rc=0 _stderrout_path="";
"${_dispatch_fn}" start_group "${_group_name}" ""; ex_rtl_fileop mkdir "${BUILD_WORKDIR}";
if _pkg_names="$(exp_pkg_get_packages "${_dispatch_fn}" "${_group_name}" "${_restart}")"\
&& [ -n "${_pkg_names}" ]; then
if [ "${ARG_PARALLEL:-0}" -gt 1 ]; then
_njobs_max="${DEFAULT_BUILD_CPUS}";
fi;
ex_rtl_fileop mkfifo "${_pipe_path}"; exp_pkg_dispatch_group;
while [ "${_njobs:-0}" -gt 0 ]; do
while read _pipe_msg; do
case "${_pipe_msg%% *}" in
done) "${_dispatch_fn}" finish_pkg ${_pipe_msg#done }; _pkg_name="${_pipe_msg#done * }"; : $((_njobs-=1));
_pkgs_complete="${_pkgs_complete:+${_pkgs_complete} }${_pkg_name}";
_pkgs_wait="$(ex_rtl_lfilter "${_pkgs_wait}" "${_pkg_name}")";
if [ "${_script_rc:-0}" -eq 0 ]; then
exp_pkg_dispatch_group;
fi;
if [ "${_njobs}" -eq 0 ]\
&& [ -z "${_pkg_names}" ]; then
break;
fi; ;;
fail) _script_rc=1;
"${_dispatch_fn}" fail_pkg ${_pipe_msg#fail };
[ $((_njobs-=1)) -eq 0 ] && break; ;;
step) "${_dispatch_fn}" step_pkg ${_pipe_msg#step }; ;;
esac; done <>"${_pipe_path}";
done;
ex_rtl_fileop rm "${_pipe_path}";
fi;
"${_dispatch_fn}" finish_group "${_group_name}" "";
if [ -n "${_pkgs_found_vname}" ]; then
_pkgs_found="$(ex_rtl_get_var_unsafe "${_pkgs_found_vname}")";
ex_rtl_set_var_unsafe "${_pkgs_found_vname}" "${_pkgs_found:+${_pkgs_found} }${_pkgs_found_new}";
fi;
return "${_script_rc}";
};
# vim:filetype=sh
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