144 lines
2.9 KiB
Bash
Executable file
144 lines
2.9 KiB
Bash
Executable file
#! /usr/bin/env sh
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# ╭──────┬───────────╮
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# │ main │ constants │
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# ╰──────┴───────────╯
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RWX_MAIN_NAME="main.sh"
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RWX_SELF_NAME="rwx"
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RWX_SELF_COMMAND="_${RWX_SELF_NAME}_cmd_"
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# ╭──────┬───────────╮
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# │ main │ variables │
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# ╰──────┴───────────╯
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RWX_COMMAND_ARGUMENT="${0}"
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RWX_SHELL="$(cat "/proc/${$}/comm")"
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RWX_COMMAND_NAME="$(basename "${RWX_COMMAND_ARGUMENT}" |
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sed "s|^-||")"
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case "${RWX_COMMAND_NAME}" in
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"bash" | "dash" | "sh") unset RWX_COMMAND_NAME ;;
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*) ;;
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esac
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RWX_ROOT_SYSTEM="/usr/local/lib/${RWX_SELF_NAME}"
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RWX_SELF_USER="${HOME}/${RWX_SELF_NAME}"
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RWX_MAIN_PATH="${RWX_ROOT_SYSTEM}/${RWX_MAIN_NAME}"
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# ╭──────┬───────╮
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# │ main │ shell │
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# ╰──────┴───────╯
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# test if active shell is in interactive mode
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rwx_shell_interactive() {
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case "${-}" in
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*i*) ;;
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*) return 1 ;;
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esac
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}
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# ╭──────┬─────╮
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# │ main │ log │
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# ╰──────┴─────╯
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__rwx_log() {
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if rwx_shell_interactive; then
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[ ${#} -gt 0 ] || set -- ""
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local line
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for line in "${@}"; do
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echo "${line}"
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done
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fi
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}
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# ╭──────┬──────╮
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# │ main │ find │
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# ╰──────┴──────╯
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# find directory’s files by extension
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rwx_find_extension() {
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local extension="${1}"
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local root="${2}"
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local file="${3}"
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set -- \
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"${root}" \
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-name "*.${extension}" \
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-type "f"
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[ -n "${file}" ] &&
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set -- "${@}" \
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-not \
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-name "${file}"
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find "${@}" \
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-printf "%P\n" |
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sort
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}
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# find directory’s sh files
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rwx_find_shell() {
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rwx_find_extension "sh" "${@}"
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}
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# ╭──────┬─────╮
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# │ main │ ifs │
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# ╰──────┴─────╯
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rwx_ifs_set() {
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_RWX_IFS="${IFS}"
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IFS="
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"
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}
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rwx_ifs_unset() {
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IFS="${_RWX_IFS}"
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unset RWX_IFS
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}
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# ╭──────┬────────╮
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# │ main │ source │
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# ╰──────┴────────╯
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rwx_source() {
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local path="${1}"
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[ -d "${path}" ] ||
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return 1
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local count module
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count=0
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__rwx_log "" \
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". ${path}"
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rwx_ifs_set
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for module in $(rwx_find_shell "${path}" "${RWX_MAIN_NAME}"); do
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count=$((count + 1))
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__rwx_log "$(printf "%02d" "${count}") ${module%.sh}"
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module="${path}/${module}"
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# shellcheck disable=SC1090
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. "${module}"
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done
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rwx_ifs_unset
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}
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# ╭──────╮
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# │ main │
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# ╰──────╯
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# run initial steps
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rwx_main() {
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# system root
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if ! rwx_source "${RWX_ROOT_SYSTEM}"; then
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__rwx_log "Not a directory: ${RWX_ROOT_SYSTEM}"
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return 1
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fi
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# user root
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rwx_source "${RWX_SELF_USER}"
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# context / command
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if [ -n "${RWX_COMMAND_NAME}" ]; then
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"${RWX_SELF_COMMAND}${RWX_COMMAND_NAME}" "${@}"
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# context / shell
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else
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rwx_self_init
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fi
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}
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# run main function
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rwx_main "${@}"
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