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#
# set -o errexit -o noglob are assumed.
#
date() { command date "+${1:-${TIMESTAMP_FMT}}"; };
get_var_unsafe() { eval echo \${${1}}; };
set_var_unsafe() { [ -n "${2}" ] && eval ${1}=\"${2}\" || return 0; };
pop_IFS() { IFS="${_pI_IFS}"; unset _pI_IFS; };
push_IFS() { _pI_IFS="${IFS}"; IFS="${1}"; };
set_build_dir() { PKG_BUILD_DIR="${1}-${2}-${PKG_TARGET}"; };
test_cmd() { command -v "${1}" >/dev/null; };
build_fileop() {
local _op="${1}"; shift;
if [ "${_op}" = cd ]; then
log_msg varn "Changing working directory to \`${1}'.";
[ \( -n "${1}" \) -a \( -e "${1}" \) ] && cd -- "${1}";
elif [ "${_op}" = cp ]; then
log_msg varn "Copying \`${1}' to \`${2}' w/ -pPR.";
[ ${#} -ge 2 ] && cp -pPR -- "${@}";
elif [ "${_op}" = ln_symbolic ]; then
log_msg varn "Linking \`${1}' to \`${2}' w/ -fs";
[ \( -n "${1}" \) -a \( -n "${2}" \) ] && ln -fs -- "${1}" "${2}";
elif [ "${_op}" = mv ]; then
log_msg varn "Moving \`${1}' to \`${2}' w/ -fs";
[ \( -n "${1}" \) -a \( -n "${2}" \) ] && mv -f -- "${1}" "${2}";
elif [ "${_op}" = mkdir ]\
|| [ "${_op}" = rm ]; then
while [ ${#} -gt 0 ]; do
if [ -z "${1}" ]; then
return 1;
elif [ "${_op}" = mkdir ]\
&& [ ! -e "${1}" ]; then
log_msg varn "Making directory \`${1}'.";
mkdir -p -- "${1}";
elif [ "${_op}" = rm ]\
&& [ -e "${1}" ]; then
log_msg varn "Removing directory or file \`${1}'.";
rm -rf -- "${1}";
fi; shift;
done;
else
log_msg failexit "Error: build_fileop() called w/ invalid parameter(s) \`${@}'.";
fi;
};
install_files() {
local _verbose _prefix _ln_target _ln_fname _mkdir_fname \
_file_fname_src _file_fname_dst;
if [ "${1}" = "-v" ]; then
_verbose="${1}"; shift;
fi; _prefix="${1}"; shift;
while [ ${#} -gt 0 ]; do
case "${1}" in
@*=*)
_ln_target="${1%=*}";
_ln_target="${_ln_target#@}";
_ln_fname="${1#*=}";
if [ -e "${_ln_fname}" ]; then
if [ ${_verbose:-0} -eq 1 ]; then
echo build_fileop rm "${_ln_fname}";
fi;
build_fileop rm "${_ln_fname}";
fi;
build_fileop ln_symbolic "${_ln_target}" "${_prefix:+${_prefix}/}${_ln_fname}";
;;
/=*)
_mkdir_fname="${1#/=}";
build_fileop mkdir "${_prefix:+${_prefix}/}${_mkdir_fname}";
;;
*)
_file_fname_src="${1%=*}";
_file_fname_dst="${1#*=}";
build_fileop cp "${_file_fname_src}" "${_prefix:+${_prefix}/}${_file_fname_dst}";
;;
esac; shift;
done;
};
is_build_script_done() {
local _done_fname="${WORKDIR}/.${1}.${2}" _restart_at="${3}";
if [ -z "${_restart_at}" ]; then
if [ -e "${_done_fname}" ]; then
return 0; # Skip
else
return 1; # Build
fi;
elif [ "${_restart_at}" = "ALL" ]; then
return 1; # Build
elif lmatch "${_restart_at}" , "${2}"; then
return 1; # Build
else
return 0; # Skip
fi;
};
set_build_script_done() {
local _pkg_fname="${1}";
local _done_fname_pfx="${WORKDIR}/.${_pkg_fname}";
shift; while [ ${#} -ge 1 ]; do
if [ "${1#-}" != "${1}" ]; then
build_fileop rm "${_done_fname_pfx}.${1#-}";
else
touch "${_done_fname_pfx}.${1}";
log_msg info "Finished build step ${1} of package \`${_pkg_fname}'.";
fi; shift;
done;
};
lfilter() {
local _list="${1}" _filter="${2}" _lnew _litem _lfilter;
for _litem in ${_list}; do
for _lfilter in ${_filter}; do
if [ "${_lfilter}" = "${_litem}" ]; then
_lnew="${_lnew:+${_lnew} }${_litem}"; break;
fi;
done;
done;
echo ${_lnew};
};
lmatch() {
local _cmp="${3}"; push_IFS "${2}"; set -- ${1}; pop_IFS;
while [ ${#} -gt 0 ]; do
if [ "${1}" = "${_cmp}" ]; then
return 0;
fi; shift;
done; return 1;
};
log_env_vars() {
local _nvar=1 _arg _arg_len_max=0;
log_msg info "Variables for this ${1:-build}:"; shift;
while [ ${_nvar} -le ${#} ]; do
_arg="$(eval echo \${${_nvar}})";
_arg="${_arg%%=*}";
if [ ${#_arg} -gt ${_arg_len_max} ]; then
_arg_len_max=${#_arg};
fi; : $((_nvar+=1));
done;
while [ ${#} -gt 0 ]; do
log_msg info "$(printf \
"%${_arg_len_max}.${_arg_len_max}s=%s" \
"${1%%=*}" "$(get_var_unsafe ${1#*=})")";
shift;
done;
};
log_msg() {
local _lvl="${1}"; shift;
if [ "${_lvl#v}" != "${_lvl}" ]\
&& [ ${ARG_VERBOSE:-0} -eq 0 ]; then
return;
fi;
case "${_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)" "${1}" "$*";
else
printf "==> %s %s\033[0m\n" "$(date)" "${1}";
fi; [ ${_lvl} = failexit ] && exit 1 || return 0;
};
run_cmd_unsplit() {
local _cmd="${1}" _cmdline _rc; shift;
while [ ${#} -gt 0 ]; do
[ -n "${1}" ] &&\
_cmdline="${_cmdline:+${_cmdline}:}${1}";
shift;
done;
push_IFS :; ${_cmd} ${_cmdline}; _rc=$?; pop_IFS;
return ${_rc};
};
set_env_vars_with_sep() {
local _sep="${1}"; shift; push_IFS ${_sep}; set -- ${1};
while [ ${#} -gt 0 ]; do
export "${1}"; shift;
done; pop_IFS;
};
subst_tgts() {
while [ ${#} -ge 1 ]; do
case "${1}" in
devroot)
echo "${DEVROOT_PACKAGES}"; ;;
world) echo "${WORLD_PACKAGES}"; ;;
*) echo "${1}"; ;;
esac; shift;
done;
};
# vim:filetype=sh