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#
# set +o errexit -o noglob -o nounset is assumed.
#
#
# exp_pkg_env_defaults() - set package variable defaults for single named package
# @_build_steps_default: list of default build steps
# @_pkg_name: single package name
# @_workdir: pathname to build-specific temporary directory
#
# Return: zero (0) on success, non-zero (>0) on failure
#
exp_pkg_env_defaults() {
local _build_steps_default="${1}" _pkg_name="${2}" _workdir="${3}";
: ${PKG_NAME:="${_pkg_name}"};
: ${MIDIPIX_BUILD_PWD:="$(pwd)"};
: ${PKG_BASE_DIR:="${_workdir}/${_pkg_name}-${PKG_BUILD_TYPE}-${PKG_TARGET}"};
if [ -n "${PKG_BUILD_STEPS_DISABLE:-}" ]; then
: ${PKG_BUILD_STEPS:="$(rtl_lfilter "${_build_steps_default}" "${PKG_BUILD_STEPS_DISABLE:-}")"};
else
: ${PKG_BUILD_STEPS:="${_build_steps_default}"};
fi;
if [ -n "${PKG_URL:-}" ]; then
: ${PKG_FNAME:="${PKG_URL##*/}"};
fi;
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
# @_build_vars_default: list of default build variables
# @_group_name: build group name
# @_nounset: don't clear package variable namespace
# @_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 ${PKG_ENV_VARS_EXTRA}, and
# clears the package variable namespace.
#
# Return: zero (0) on success, non-zero (>0) on failure
#
exp_pkg_env_set() {
local _build_vars_default="${1}" _group_name="${2}" _nounset="${3}"\
_pkg_name="${4}" _var_prefixes="" _vars_set="" _vname="" IFS IFS0;
rtl_set_vars _vars_set BUILD_TYPE "DEFAULT ${_group_name} PKG_${_pkg_name}";
rtl_set_vars _vars_set INHERIT_FROM "PKG_${_pkg_name}";
_var_prefixes="$(rtl_toupper "DEFAULT DEFAULT_${PKG_BUILD_TYPE} ${_group_name}")";
for _vname in $(rtl_lfilter "${_build_vars_default}" BUILD_TYPE); do
if [ -n "${PKG_INHERIT_FROM:-}" ]; then
rtl_set_vars _vars_set "${_vname}" \
"$(rtl_lconcat "${_var_prefixes}" \
"$(rtl_toupper "PKG_${PKG_INHERIT_FROM} PKG_${_pkg_name}")")"
else
rtl_set_vars _vars_set "${_vname}" \
"$(rtl_lconcat "${_var_prefixes}" \
"$(rtl_toupper "PKG_${_pkg_name}")")";
fi;
done;
IFS0="${IFS:- }"; IFS=":"; for _vname in ${PKG_ENV_VARS_EXTRA:-}; do
export "${_vname}";
done; IFS="${IFS0}";
if [ "${_nounset:-0}" -eq 0 ]; then
rtl_unset_vars $(rtl_lfilter \
"$(set | sed -ne '/^PKG_[^=]*=/s/=.*$//p' | paste -s -d " ")" \
"${_vars_set}");
fi;
};
#
# ex_pkg_env() - set package variables for single named package
# @_build_steps_default: list of default build steps
# @_build_vars_default: list of default build variables
# @_group_name: build group name
# @_nounset: don't clear package variable namespace
# @_pkg_name: single package name
# @_restart_at: optional comma-separated list of build steps at which to rebuild or ALL
# @_workdir: pathname to build-specific temporary directory
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_pkg_env() {
local _build_steps_default="${1}" _build_vars_default="${2}" _group_name="${3}" \
_nounset="${4}" _pkg_name="${5}" _restart_at="${6}" _workdir="${7}" _vname="";
rtl_fileop source_opt "vars/${_pkg_name}.vars" "${_group_name}/${_pkg_name}.${_group_name}";
if ! exp_pkg_env_set "${_build_vars_default}" "${_group_name}" "${_nounset}" "${_pkg_name}"\
|| ! exp_pkg_env_defaults "${_build_steps_default}" "${_pkg_name}" "${_workdir}"; then
return 1;
fi;
};
#
# ex_pkg_state_set() - update build step status for single named package
# @_workdir: pathname to temporary build directory
# @_pkg_name: single package name
# @${@}: list of build steps
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_pkg_state_set() {
rtl_state_set "${_workdir}" "${@}";
};
#
# ex_pkg_state_test() - test build step status of single named package
# @_workdir: pathname to temporary build directory
# @_pkg_name: single package name
# @_build_step: build step to test status of
# @_restart_at: optional comma-separated list of build steps at which to rebuild or ALL
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_pkg_state_test() {
rtl_state_test "${_workdir}" "${@}";
};
# vim:filetype=sh
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