250 lines
6.2 KiB
Bash
Executable File
250 lines
6.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# Purpose {{{
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# This script will try to get the list of directories that doesn't
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# have a owner known from the system
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# 1. …
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# …
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#
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# 2022-03-28
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# }}}
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly PROGDIR=$(readlink -m $(dirname "${0}"))
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readonly ARGS="${*}"
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readonly NBARGS="${#}"
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[ -z "${DEBUG}" ] && DEBUG=1
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## Export DEBUG for sub-script
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export DEBUG
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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# }}}
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usage() { # {{{
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cat <<- HELP
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usage: $PROGNAME [-d|-h]
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Try to give a description…
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EXAMPLES :
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- Check the directories of the current place :
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${PROGNAME}
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OPTIONS :
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--debug
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Enable debug messages.
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-h,--help
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Print this help message.
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HELP
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}
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# }}}
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debug_message() { # {{{
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local_debug_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
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unset local_debug_message
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return 0
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}
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# }}}
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error_message() { # {{{
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local_error_message="${1}"
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local_error_code="${2}"
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## Print message
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printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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exit "${local_error_code:=66}"
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}
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# }}}
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define_vars() { # {{{
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## If path_to_check wasn't defined (argument) {{{
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if [ -z "${path_to_check}" ]; then
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## Use default value
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readonly path_to_check=$(pwd)
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fi
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## }}}
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## Temp file vars {{{
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full_dir_list_path="/tmp/${PROGNAME}.full.list"
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true > "${full_dir_list_path}"
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unknow_dir_list_path="/tmp/${PROGNAME}.unkwon.list"
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true > "${unknow_dir_list_path}"
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## }}}
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}
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# }}}
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is_file_empty() { # {{{
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local_file="${1}"
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## File is empty by default
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return_is_file_empty="0"
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## Check if the file is empty
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if [ ! -s "${local_file}" ]; then
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return_is_file_empty="0"
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debug_message "is_file_empty − \
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The file ${RED}${local_file}${COLOR_DEBUG} is empty or doesn't exists."
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else
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return_is_file_empty="1"
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debug_message "is_file_empty − \
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The file ${RED}${local_file}${COLOR_DEBUG} exists and has a size greater than zero."
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fi
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return "${return_is_file_empty}"
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}
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# }}}
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get_dir_list() { # {{{
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## Return False by default
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return_get_dir_list="1"
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## Get directories and exclude hidden
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if command find "${path_to_check}" -mindepth 1 -maxdepth 1 -type d -not -iname '.*' -printf '%f\n' \
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> "${full_dir_list_path}"; then
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debug_message "get_dir_list − \
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${RED}${path_to_check}${COLOR_DEBUG} directories list successfully created (see ${full_dir_list_path} file)."
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return_get_dir_list="0"
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else
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debug_message "get_dir_list − \
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Error in ${RED}find${COLOR_DEBUG} command for ${path_to_check} directory."
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return_get_dir_list="1"
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fi
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return "${return_get_dir_list}"
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}
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# }}}
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main() { # {{{
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## Define all vars
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define_vars
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## Get the list of all directories {{{
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get_dir_list
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## }}}
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## Verify if directories list is empty {{{
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### And EXIT with error message
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is_file_empty "${full_dir_list_path}" \
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&& error_message "The directories list of ${path_to_check} is empty (${full_dir_list_path} file)." 10
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## }}}
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## Parse directories list {{{
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while IFS= read -r dir; do
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### Get owner information {{{
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debug_message "while loop - Try to get ${RED}${dir}${COLOR_DEBUG} owner information."
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dir_owner_name="$(stat -c "%U" "${dir}" \
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|| error_message "Can't stat ${dir} directory." 20)"
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### }}}
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### If owner is UNKNOWN {{{
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if [ "${dir_owner_name}" = "UNKNOWN" ]; then
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debug_message "while loop - Owner of ${dir} directory is no longer available on this system (${RED}${dir_owner_name}${COLOR_DEBUG})."
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### Add this directory to specific list
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printf '%b\n' "${dir}" >> "${unknow_dir_list_path}"
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### }}}
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### If owner is known from the system {{{
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else
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debug_message "while loop - Owner of ${dir} directory is ${RED}${dir_owner_name}${COLOR_DEBUG}, skip this directory."
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fi
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### }}}
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done < "${full_dir_list_path}"
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## }}}
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## Clean temp file {{{
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### full_dir_list_path if DEBUG is NOT enable
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[ ! "${DEBUG}" -eq "0" ] && rm --force -- "${full_dir_list_path}"
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## }}}
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## If unknow_dir_list_path doesn't contains anything {{{
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## Exit with success
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is_file_empty "${unknow_dir_list_path}" \
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&& debug_message "${path_to_check} doesn't contains any directory with unknown owner." \
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&& exit 0
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## }}}
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## If some directories without owner are presents {{{
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debug_message "${RED}${path_to_check}${COLOR_DEBUG} seems to contain some directories without owners. Please check the content of ${unknow_dir_list_path} file."
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## }}}
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}
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# }}}
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# Manage arguments # {{{
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# This code can't be in a function due to argument management
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if [ ! "${NBARGS}" -eq "0" ]; then
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manage_arg="0"
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## If the first argument is not an option
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if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
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then
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## Print help message and exit
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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fi
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# Parse all options (start with a "-") one by one
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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case "${1}" in
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--debug ) ## debug
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DEBUG=0
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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-d|--dir|--directory ) ## Define path_to_check with given arg
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## Move to the next argument
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shift
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## Define var
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readonly path_to_check="${1}"
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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debug_message "Arguments management − \
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${RED}${1}${COLOR_DEBUG} option managed."
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## Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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debug_message "Arguments management − \
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${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
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else
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debug_message "Arguments management − \
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No arguments/options to manage."
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fi
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# }}}
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main
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exit 0
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