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#
# Copyright (c) 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Lucía Andrea Illanes Albornoz <lucia@luciaillanes.de>
# set +o errexit -o noglob -o nounset is assumed.
#
#
# Private subroutines
#
rtlp_fileop_check() {
local _rpfc_prefix="${1}" _rpfc_pname="" _rpfc_rname=""; shift;
return 0;
};
rtlp_fileop_log() {
rtl_log_msgV "fileop" "0;${1}";
};
#
# Public subroutines
#
#
# rtl_fileop() - clean download cache for single package
# @_op: file operation (one of: cd, chmod, chgrp, chown, cp_follow, cp, install, ln_symbolic, mv, touch, mkdir, mkfifo, rm, source, source_opt, test)
# @...: file operation arguments
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_fileop() {
local _rf_op="${1}" \
_rf_dst="" _rf_group="" _rf_install_args="" \
_rf_mode="" _rf_owner="" _rf_rc=0 _rf_src=""; shift;
case "${_rf_op}" in
cd) if [ \( "${1:+1}" != 1 \) -o ! \( -L "${1}" -o -e "${1}" \) ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invalid_dir}" "${1}";
elif rtlp_fileop_check "${PREFIX:-}" "${1}"; then
rtlp_fileop_log "Changing working directory to \`${1}'.";
cd -- "${1}"; _rf_rc="${?}";
fi; ;;
chmod) if [ "${#}" -lt 2 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_chmod}" "${*}";
elif _rf_mode="${1}" && shift\
&& rtlp_fileop_check "${PREFIX:-}" "${*}"; then
rtlp_fileop_log "Changing file mode bits of \`${*}' to \`${_rf_mode}'.";
chmod -- "${_rf_mode}" "${@}"; _rf_rc="${?}";
fi; ;;
chgrp) if [ "${#}" -lt 2 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_chgrp}" "${*}";
elif _rf_group="${1}" && shift\
&& rtlp_fileop_check "${PREFIX:-}" "${*}"; then
rtlp_fileop_log "Changing file group of \`${*}' to \`${_rf_group}'.";
chgrp -- "${_rf_group}" "${@}"; _rf_rc="${?}";
fi; ;;
chown) if [ "${#}" -lt 2 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_chown}" "${*}";
elif _rf_owner="${1}" && shift\
&& rtlp_fileop_check "${PREFIX:-}" "${*}"; then
rtlp_fileop_log "Changing file owner of \`${*}' to \`${_rf_owner}'.";
chown -- "${_rf_owner}" "${@}"; _rf_rc="${?}";
fi; ;;
cp_follow)
if [ "${#}" -lt 2 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_cp_follow}" "${*}";
elif rtlp_fileop_check "${PREFIX:-}" "${*}"; then
_rf_src="${*}"; _rf_src="${_rf_src% *}";
_rf_dst="${*}"; _rf_dst="${_rf_dst##* }";
rtlp_fileop_log "Copying \`${_rf_src}' into \`${_rf_dst}' w/ -pLR.";
cp -pLR -- "${@}"; _rf_rc="${?}";
fi; ;;
cp) if [ "${#}" -lt 2 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_cp}" "${*}";
elif rtlp_fileop_check "${PREFIX:-}" "${*}"; then
_rf_src="${*}"; _rf_src="${_rf_src% *}";
_rf_dst="${*}"; _rf_dst="${_rf_dst##* }";
rtlp_fileop_log "Copying \`${_rf_src}' into \`${_rf_dst}' w/ -pPR.";
cp -pPR -- "${@}"; _rf_rc="${?}";
fi; ;;
install)
if [ "${#}" -lt 2 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_install}" "${*}";
else
rtl_lindexV \$_rf_dst -1 "${@}";
rtl_lrangeV \$_rf_install_args 0 1 "${@}";
rtl_lindexV \$_rf_install_args -2 "${@}";
if rtlp_fileop_check "${PREFIX:-}" "${_rf_dst}" "${_rf_src}"; then
rtlp_fileop_log "Installing \`${_rf_src}' into \`${_rf_dst}' w/ ${_rf_install_args}.";
install "${@}"; _rf_rc="${?}";
fi;
fi; ;;
ln_symbolic)
if [ \( "${1:+1}" != 1 \) -o \( "${2:+1}" != 1 \) ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_ln_symbolic}" "${*}";
elif rtlp_fileop_check "${PREFIX:-}" "${2}"; then
if rtl_fileop test "${2}"; then
rtl_fileop rm "${2}";
fi;
if [ "${?}" -eq 0 ]; then
rtlp_fileop_log "Linking \`${1}' to \`${2}' w/ -fs";
ln -fs -- "${1}" "${2}"; _rf_rc="${?}";
fi;
fi; ;;
mv) if [ \( "${1:+1}" != 1 \) -o \( "${2:+1}" != 1 \) ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_mv}" "${*}";
elif rtlp_fileop_check "${PREFIX:-}" "${1}" "${2}"; then
rtlp_fileop_log "Moving \`${1}' to \`${2}' w/ -fs";
mv -f -- "${1}" "${2}"; _rf_rc="${?}";
fi; ;;
touch) if [ "${1:+1}" != 1 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_touch}" "${*}";
elif rtlp_fileop_check "${PREFIX:-}" "${1}"; then
rtlp_fileop_log "Touching file \`${1}'${2:+ w/ timestamp \`${2}\'}.";
touch ${2:+-t "${2}"} -- "${1}"; _rf_rc="${?}";
fi; ;;
mkdir|mkfifo|rm|source|source_opt|test)
while [ \( "${?}" -eq 0 \) -a \( ""${#}"" -gt 0 \) ]; do
if [ "${1:+1}" != 1 ]; then
rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm}" "${_rf_op}" "${*}";
elif [ "${_rf_op}" = mkdir ]\
&& [ ! -d "${1}" ]\
&& rtlp_fileop_check "${PREFIX:-}" "${1}"; then
if rtl_fileop test "${1}"; then
rtl_fileop rm "${1}";
fi;
rtlp_fileop_log "Making directory \`${1}'.";
mkdir -p -- "${1}"; _rf_rc="${?}";
elif [ "${_rf_op}" = mkfifo ]\
&& rtlp_fileop_check "${PREFIX:-}" "${1}"; then
if rtl_fileop test "${1}"; then
rtl_fileop rm "${1}";
fi;
rtlp_fileop_log "Creating FIFO \`${1}'.";
rtlp_fileop_check "${PREFIX:-}" "${1}";
mkfifo -- "${1}"; _rf_rc="${?}";
elif [ "${_rf_op}" = rm ]\
&& rtl_fileop test "${1}"\
&& rtlp_fileop_check "${PREFIX:-}" "${1}"; then
rtlp_fileop_log "Removing directory or file \`${1}'.";
rm -rf -- "${1}"; _rf_rc="${?}";
elif [ "${_rf_op}" = source ]\
&& rtlp_fileop_check "${PREFIX:-}" "${1}"; then
rtlp_fileop_log "Sourcing file \`${1}'.";
. "${1}"; _rf_rc="${?}";
elif [ "${_rf_op}" = source_opt ]\
&& rtl_fileop test "${1}"\
&& rtlp_fileop_check "${PREFIX:-}" "${1}"; then
rtlp_fileop_log "Sourcing file \`${1}'.";
. "${1}"; _rf_rc="${?}";
elif [ "${_rf_op}" = test ]\
&& rtlp_fileop_check "${PREFIX:-}" "${1}"\
&& ! [ \( -L "${1}" \) -o \( -e "${1}" \) ]; then
return 1;
fi; shift;
done; ;;
*) rtl_log_msgV "fatalexit" "${MSG_rtl_fileop_invparm_fileop}" "${*}"; ;;
esac;
return "${_rf_rc}";
};
# vim:filetype=sh textwidth=0
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