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Diffstat (limited to 'ediff.sh.in')
-rw-r--r-- | ediff.sh.in | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/ediff.sh.in b/ediff.sh.in new file mode 100644 index 0000000..569721e --- /dev/null +++ b/ediff.sh.in @@ -0,0 +1,73 @@ +#!@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 "$@" |