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#
# . ./build.vars and set -o errexit -o noglob are assumed.
# See warning at the top of build.vars.
#
date() { command date +"${1:-${TIMESTAMP_FMT}}"; };
get_var_unsafe() { eval echo \${${1}}; };
set_var_unsafe() { eval ${1}=\"${2}\"; };
push_IFS() { _pI_IFS="${IFS}"; IFS="${1}"; };
pop_IFS() { IFS="${_pI_IFS}"; unset _pI_IFS; };
set_build_dir() { PKG_BUILD_DIR=${1}-${2}-${TARGET}; };
split() { push_IFS "${1}"; set -- ${2}; pop_IFS; echo "${*}"; };
test_cmd() { command -v "${1}" >/dev/null; };
unsplit() { push_IFS "${1}"; shift; set -- "${@}"; echo "${*}"; pop_IFS; };
get_vars_unsafe() {
while [ ${#} -gt 0 ]; do
_gvu_vval="$(eval echo \${${1}})";
[ -z "${_gvu_vval}" ] || _gvu_vval_="${_gvu_vval}";
shift;
done; echo "${_gvu_vval_}";
unset _gvu_vval _gvu_vval_;
};
log_msg() {
_lm_lvl=${1}; shift;
if [ "${_lm_lvl#v}" != "${_lm_lvl}" ]\
&& [ ${ARG_VERBOSE:-0} -eq 0 ]; then
return;
fi;
case ${_lm_lvl} in
failexit) printf "\033[0m\033[${LOG_MSG_FAIL_COLOUR}m"; ;;
fail) printf "\033[0m\033[${LOG_MSG_FAIL_COLOUR}m"; ;;
info) printf "\033[0m\033[${LOG_MSG_INFO_COLOUR}m"; ;;
vnfo) printf "\033[0m\033[${LOG_MSG_INFO_COLOUR}m"; ;;
succ) printf "\033[0m\033[${LOG_MSG_SUCC_COLOUR}m"; ;;
warn) printf "\033[0m\033[${LOG_MSG_WARN_COLOUR}m"; ;;
varn) printf "\033[0m\033[${LOG_MSG_WARN_COLOUR}m"; ;;
esac;
if [ $# -gt 1 ]; then
printf "==> %s %s %s\033[0m\n" "$(date "${TIMESTAMP_FMT}")" "${1}" "$*";
else
printf "==> %s %s\033[0m\n" "$(date "${TIMESTAMP_FMT}")" "${1}";
fi; [ ${_lm_lvl} = failexit ] && exit 1 || unset _lm_lvl;
};
insecure_mkdir() {
while [ ${#} -gt 0 ]; do
if [ -z "${1}" ]; then
return 1;
elif [ ! -e "${1}" ]; then
log_msg varn "Making directory \`${1}'.";
mkdir -p -- "${1}";
fi; shift;
done;
};
match_list() {
_ml_cmp="${3}"; push_IFS "${2}"; set -- ${1}; pop_IFS;
while [ ${#} -gt 0 ]; do
if [ "${1}" = "${_ml_cmp}" ]; then
unset _ml_cmp; return 0;
fi; shift;
done; unset _ml_cmp; return 1;
};
secure_cd() {
if [ \( -z "${1}" \) -o \( ! -e "${1}" \) ]; then
return 1;
else
(cd "${1}"; [ "${PWD#${PREFIX_ROOT}}" = "${PWD}" ] &&\
return 1 || return 0);
if [ ${?} -eq 0 ]; then
log_msg varn "Changing working directory to \`${1}'.";
cd -- "${1}";
else
log_msg failexit "secure_cd() called with pathname \`${1}' not below \${PREFIX_ROOT} (${PREFIX_ROOT}). This is a bug.";
fi;
fi;
};
secure_rm() {
while [ ${#} -gt 0 ]; do
if [ -z "${1}" ]; then
return 1;
elif [ -e "${1}" ]; then
if [ -d "${1}" ]; then
_sr_pname_check="${1}";
else
_sr_pname_check="$(dirname "${1}")";
fi;
(cd "${_sr_pname_check}"; [ "${PWD#${PREFIX_ROOT}}" = "${PWD}" ] &&\
return 1 || return 0);
if [ ${?} -eq 0 ]; then
unset _sr_pname_check;
log_msg varn "Removing directory or file \`${1}'.";
rm -rf -- "${1}";
else
log_msg failexit "secure_rm() called with pathname \`${1}' not below \${PREFIX_ROOT} (${PREFIX_ROOT}). This is a bug.";
fi;
fi; shift;
done;
};
# vim:filetype=sh
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