#

# Copyright (c) 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 LucĂ­a Andrea Illanes Albornoz <lucia@luciaillanes.de>

# set +o errexit -o noglob -o nounset is assumed.

#

#

# rtl_install() - install files

# @[-v]:	increase verbosity

# @_prefix:	installation prefix pathname

# @...:		install operation (one of: -* (remove,) !*=* (move/rename,) /=* (create directory/ies,) @*=* (create/update symbolic link,) m[0-7][0-7][0-7][0-7]=* (set mode bits,) o*=* (set user/group owner,) *=* (copy))

#

# Returns:	zero (0) on success, non-zero (>0) on failure

#

rtl_install() {

	local	_ri_verbose="" _ri_prefix=""							\

		_ri_chmod_mode="" _ri_dname="" _ri_file_fname_dst="" _ri_file_fname_src=""	\

		_ri_fname="" _ri_ln_fname="" _ri_ln_target="" _ri_owner_spec="" _ri_pname="";

	if [ "${1}" = "-v" ]; then

	       _ri_verbose=1; shift;

	fi;

	_ri_prefix="${1}"; shift;

	while [ ${#} -gt 0 ]; do

	case "${1}" in

	-*)

		_ri_pname="${1#-}";

		if [ "${_ri_pname#/}" = "${_ri_pname}" ]; then

			_ri_pname="${_ri_prefix:+${_ri_prefix}/}${_ri_pname}";

		fi;

		if ! rtl_fileop rm "${_ri_pname}"; then

			return 1;

		fi; ;;

	!*=*)

		_ri_file_fname_src="${1#!}"; _ri_file_fname_src="${_ri_file_fname_src%=*}";

	       	_ri_file_fname_dst="${1#!}"; _ri_file_fname_dst="${_ri_file_fname_dst#*=}";

		if [ "${_ri_file_fname_src#/}" = "${_ri_file_fname_src}" ]; then

			_ri_file_fname_src="${_ri_prefix:+${_ri_prefix}/}${_ri_file_fname_src}";

		fi;

		if [ "${_ri_file_fname_dst#/}" = "${_ri_file_fname_dst}" ]; then

			_ri_file_fname_dst="${_ri_prefix:+${_ri_prefix}/}${_ri_file_fname_dst}";

		fi;

		if ! rtl_fileop mv "${_ri_file_fname_src}" "${_ri_file_fname_dst}"; then

			return 1;

		fi; ;;

	/=*)

		_ri_dname="${1#/=}";

		if [ "${_ri_dname#/}" = "${_ri_dname}" ]; then

			_ri_dname="${_ri_prefix:+${_ri_prefix}/}${_ri_dname}";

		fi;

		if ! rtl_fileop mkdir "${_ri_dname}"; then

			return 1;

		fi; ;;

	@*=*)

		_ri_ln_target="${1%=*}"; _ri_ln_target="${_ri_ln_target#@}"; _ri_ln_fname="${1#*=}";

		if [ "${_ri_ln_fname#/}" = "${_ri_ln_fname}" ]; then

			_ri_ln_fname="${_ri_prefix:+${_ri_prefix}/}${_ri_ln_fname}";

		fi;

		if [ -e "${_ri_ln_fname}" ]; then

			rtl_fileop rm "${_ri_ln_fname}";

		fi;

		if ! rtl_fileop ln_symbolic "${_ri_ln_target}" "${_ri_ln_fname}"; then

			return 1;

		fi; ;;

	m[0-7][0-7][0-7][0-7]=*)

		_ri_fname="${1#m[0-7][0-7][0-7][0-7]=}"; _ri_chmod_mode="${1%%=*}"; _ri_chmod_mode="${_ri_chmod_mode#m}";

		if ! rtl_fileop chmod "${_ri_chmod_mode}" "${_ri_fname}"; then

			return 1;

		fi; ;;

	o*=*)

		_ri_fname="${1#o*=}"; _ri_owner_spec="${1%%=*}"; _ri_owner_spec="${_ri_owner_spec#o}";

		if ! rtl_fileop chown "${_ri_owner_spec}" "${_ri_fname}"; then

			return 1;

		fi; ;;

	*=*)

		_ri_file_fname_src="${1%=*}"; _ri_file_fname_dst="${1#*=}";

		if [ "${_ri_file_fname_src#/}" = "${_ri_file_fname_src}" ]; then

			_ri_file_fname_src="${_ri_prefix:+${_ri_prefix}/}${_ri_file_fname_src}";

		fi;

		if [ "${_ri_file_fname_dst#/}" = "${_ri_file_fname_dst}" ]; then

			_ri_file_fname_dst="${_ri_prefix:+${_ri_prefix}/}${_ri_file_fname_dst}";

		fi;

		if ! rtl_fileop cp "${_ri_file_fname_src}" "${_ri_file_fname_dst}"; then

			return 1;

		fi; ;;

	esac; shift;

	done;

	return 0;

};

# vim:filetype=sh textwidth=0