82 lines
2.4 KiB
Bash
Executable File
82 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Source the script 'common-functions.sh'.
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SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
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ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
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source "$ROOT_DIR/common-functions.sh"
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_main() {
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local input_files=""
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# Execute initial checks.
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_check_dependencies ""
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_display_wait_box "2"
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input_files=$(_get_files "par_type=file; par_max_items=1; par_select_mime=text/plain")
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# Allows the symbol "'" in filenames (inside 'xargs').
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checksum_file=$(sed -z "s|'|'\\\''|g" <"$input_files")
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# Export variables to be used inside new shells (when using 'xargs').
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export TEMP_DIR_STORAGE_TEXT
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# Export functions to be used inside new shells (when using 'xargs').
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export -f \
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_storage_text_write \
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_storage_text_write_ln \
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_verify_checksum
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printf "%s" "$checksum_file" | xargs \
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--no-run-if-empty \
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--delimiter=$'\n' \
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--max-procs="$(_get_max_procs)" \
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--replace="{}" \
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bash -c "_verify_checksum '{}'"
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local std_output=""
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std_output=$(_storage_text_read_all)
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std_output=$(_text_sort "$std_output")
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if [[ -z "$std_output" ]]; then
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std_output="No errors found."
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fi
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_display_text_box "$std_output"
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}
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_verify_checksum() {
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local line=$1
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local saved_checksum=""
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local saved_file=""
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local current_output=""
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local current_checksum=""
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saved_checksum=$(printf "%s" "$line" | cut -d " " -f1)
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saved_file=$(printf "%s" "$line" | cut -d " " -f3-)
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# Replace % to %% with the 'printf' command.
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saved_file=${saved_file//%/%%}
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# Some checksums start with '\', for filenames with '\n' or '\'.
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# shellcheck disable=SC2059
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saved_file_decoded=$(printf "$saved_file")
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# If the file does not exist, report and skip the check.
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if [[ ! -e "$saved_file_decoded" ]]; then
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_storage_text_write_ln "[ERROR] No such file: $saved_file"
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return 1
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fi
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current_output=$(sha512sum -- "$saved_file_decoded" 2>/dev/null)
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current_checksum=$(printf "%s" "$current_output" | cut -d " " -f1)
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# Compare the checksum.
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if [[ "$saved_checksum" != "$current_checksum" ]]; then
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_storage_text_write_ln "[ERROR] Mismatch checksum for the file: $saved_file. Saved: $saved_checksum. Current: $current_checksum."
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return 1
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fi
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return 0
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}
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_main "$@"
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