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#
# set +o errexit -o noglob is assumed.
#
#
# exp_pkg_env_defaults() - set package variable defaults for single named package
# @_pkg_name: single package name
#
# Return: zero (0) on success, non-zero (>0) on failure
#
exp_pkg_env_defaults() {
local _pkg_name="${1}";
: ${PKG_NAME:="${_pkg_name}"};
: ${MIDIPIX_BUILD_PWD:="$(pwd)"};
: ${PKG_BASE_DIR:="${BUILD_WORKDIR}/${_pkg_name}-${PKG_BUILD_TYPE}-${PKG_TARGET}"};
: ${PKG_FNAME:="${PKG_URL##*/}"};
: ${PKG_BUILD_STEPS:="$(ex_rtl_lfilter "${DEFAULT_BUILD_STEPS}" "${PKG_BUILD_STEPS_DISABLE}")"};
if [ -z "${PKG_SUBDIR}" ]; then
if [ -n "${PKG_URLS_GIT}" ]; then
PKG_SUBDIR="${PKG_URLS_GIT%%=*}";
else case "${PKG_FNAME}" in
*.t*) PKG_SUBDIR="${PKG_FNAME%%.t*}"; ;;
*) PKG_SUBDIR="${_pkg_name}"; ;;
esac; fi;
fi;
if [ -z "${PKG_BUILD_DIR}" ]; then
case "${PKG_IN_TREE:-0}" in
0) PKG_BUILD_DIR="obj"; ;;
1) PKG_BUILD_DIR="${PKG_SUBDIR}"; ;;
esac;
fi;
PKG_BUILD_DIR="${PKG_BASE_DIR}/${PKG_BUILD_DIR}";
PKG_CONFIGURE="${PKG_BASE_DIR}/${PKG_CONFIGURE:-${PKG_SUBDIR}/configure}";
PKG_DESTDIR="${PKG_BASE_DIR}/${PKG_DESTDIR:-destdir}";
};
#
# exp_pkg_env_set() - set package variables for single named package
# @_group_name: build group name
# @_pkg_name: single package name
#
# Sets package variables from either defaults, defaults specific to build type,
# build group, package to inherit from if any, or package for a single named
# package, exports variables optionally named in ${PKG_ENV_VARS_EXTRA}, and
# clears the package variable namespace.
#
# Return: zero (0) on success, non-zero (>0) on failure
#
exp_pkg_env_set() {
local _group_name="${1}" _pkg_name="${2}" _var_prefixes="" _vars_set="" _vname="";
ex_rtl_set_vars _vars_set BUILD_TYPE "DEFAULT ${_group_name} PKG_${_pkg_name}";
ex_rtl_set_vars _vars_set INHERIT_FROM "PKG_${_pkg_name}";
_var_prefixes="$(ex_rtl_toupper "DEFAULT DEFAULT_${PKG_BUILD_TYPE} ${_group_name}")";
for _vname in $(ex_rtl_lfilter "${DEFAULT_BUILD_VARS}" BUILD_TYPE); do
if [ -n "${PKG_INHERIT_FROM}" ]; then
ex_rtl_set_vars _vars_set "${_vname}" \
"$(ex_rtl_lconcat "${_var_prefixes}" "$(ex_rtl_toupper "PKG_${PKG_INHERIT_FROM} PKG_${_pkg_name}")")"
else
ex_rtl_set_vars _vars_set "${_vname}" \
"$(ex_rtl_lconcat "${_var_prefixes}" "$(ex_rtl_toupper "PKG_${_pkg_name}")")";
fi;
done;
ex_rtl_push_IFS :; for _vname in ${PKG_ENV_VARS_EXTRA}; do
export "${_vname}";
done; ex_rtl_pop_IFS;
ex_rtl_unset_vars $(ex_rtl_lfilter \
"$(set | awk -F= '/^PKG_/{print $1}' | sort)" \
"${_vars_set}");
};
#
# ex_pkg_env() - set package variables for single named package
# @_group_name: build group name
# @_pkg_name: single package name
# @_restart_at: optional comma-separated list of build steps at which to rebuild or ALL
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_pkg_env() {
local _group_name="${1}" _pkg_name="${2}" _restart_at="${3}" _vname="";
ex_rtl_fileop source_opt "vars/${_pkg_name}.vars";
if ! exp_pkg_env_set "${_group_name}" "${_pkg_name}"\
|| ! exp_pkg_env_defaults "${_pkg_name}"; then
return "${?}";
fi;
};
#
# ex_pkg_state_set() - update build step status for single named package
# @_workdir: pathname to temporary build directory
# @_pkg_name: single package name
# @${@}: list of build steps
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_pkg_state_set() {
ex_rtl_state_set "${BUILD_WORKDIR}" "${@}";
};
#
# ex_pkg_state_test() - test build step status of single named package
# @_workdir: pathname to temporary build directory
# @_pkg_name: single package name
# @_build_step: build step to test status of
# @_restart_at: optional comma-separated list of build steps at which to rebuild or ALL
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_pkg_state_test() {
ex_rtl_state_test "${BUILD_WORKDIR}" "${@}";
};
# vim:filetype=sh
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