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#!@bash@
# Copyright (C) 2014, 2016 Luke Shumaker <lukeshu@sbcglobal.net>
#
# This file is not considered part of GNU Emacs.
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
m4_include(common.sh.in)
usage() {
print 'Usage: %q [OPTIONS] FILE_A FILE_B' "$0"
print ' or: %q -3 [OPTIONS] FILE_A FILE_B FILE_C' "$0"
print "Use Emacs' ediff-mode to compare two files"
echo
print 'The following OPTIONS are accepted:'
emacs_usage
flag '-3' 'Do a 3-way diff instead of 2-way'
flag '-r, --recursive' 'Diff directories recursively'
}
main() {
declare -a flags=()
declare -a files=()
declare -i cnt=2
declare cmd=ediff
declare mode=normal
emacs_getopt_init
declare args
if ! args="$(emacs_getopt 3r recursive "$@")"; then
mode=error
else
eval set -- "$args"
while true; do
case "$1" in
-V|--version) shift; mode=version;;
-H|--help) shift; mode=usage;;
-r|--recursive) shift; cmd=edirs;;
-3) shift; cnt=3;;
--) shift; break;;
*)
if [[ $1 =~ $emacs_getopt_2 ]]; then
flags+=("$1" "$2"); shift 2
else
flags+=("$1"); shift 1
fi
;;
esac
done
files=("$@")
if [[ $mode == normal ]]; then
[[ ${#files[@]} = ${cnt} ]] || mode=error
fi
fi
next "$mode" \
emacsclient "${flags[@]}" --eval \
"(${cmd}${cnt#2} $(emacs_quote "${files[@]}"))"
}
main "$@"
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