#!/usr/bin/env bash
### run-codespell - run codespell on Emacs

## Copyright (C) 2023-2025 Free Software Foundation, Inc.

## Author: Stefan Kangas <stefankangas@gmail.com>

## This file is part of GNU Emacs.

## GNU Emacs is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.

## GNU Emacs is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.

## You should have received a copy of the GNU General Public License
## along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.

### Commentary:

## Run codespell on the Emacs source tree.
##
## codespell 2.2.2 or later is recommended.  Earlier versions had a
## bug where the line count was incorrect for files containing "^L"
## characters.

source "${0%/*}/emacs-shell-lib"

CODESPELL_DIR="${PD}/codespell"

CODESPELL_RC="${CODESPELL_DIR}/codespell.rc"
CODESPELL_EXCLUDE="${CODESPELL_DIR}/codespell.exclude"
CODESPELL_IGNORE="${CODESPELL_DIR}/codespell.ignore"
CODESPELL_DICTIONARY="${CODESPELL_DIR}/codespell.dictionary"

emacs_run_codespell ()
{
    git ls-files |\
        grep --line-buffered -v -E -e "^(lib|m4)/.*|\
^admin/(charsets|codespell|unidata)/.*|\
^doc/lispref/spellfile$|\
^doc/misc/texinfo.tex$|\
^doc/translations/.*|\
^etc/(AUTHORS|HELLO|publicsuffix.txt)$|\
^etc/refcards/(cs|de|fr|pl|pt|sk)-.+.tex$|\
^etc/tutorials/TUTORIAL\..+|\
^leim/(MISC|SKK)-DIC/.*|\
^lisp/language/ethio-util.el|\
^lisp/ldefs-boot.el|\
^lisp/leim/.*|\
^test/lisp/erc/resources/.*|\
^test/lisp/net/puny-resources/IdnaTestV2.txt|\
^test/manual/(etags|indent)/.*|\
^test/src/regex-resources/.*" |\
        xargs codespell \
              --config "$CODESPELL_RC" \
              --exclude-file "$CODESPELL_EXCLUDE" \
              --ignore-words "$CODESPELL_IGNORE" \
              --disable-colors \
              --write-changes \
              $@
}

emacs_run_codespell
emacs_run_codespell --dictionary "$CODESPELL_DICTIONARY"

exit 0