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| | #!/usr/bin/env bash
#
# notmuch-emacs-mua - start composing a mail on the command line
#
# Copyright © 2014 Jani Nikula
#
# 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 https://www.gnu.org/licenses/ .
#
# Authors: Jani Nikula <jani@nikula.org>
#
set -eu
# escape: "expand" '\' as '\\' and '"' as '\"'
# calling convention: escape -v var "$arg" (like in bash printf).
escape ()
{
local __escape_arg__=${3//\\/\\\\}
printf -v $2 '%s' "${__escape_arg__//\"/\\\"}"
}
EMACS=${EMACS:-emacs}
EMACSCLIENT=${EMACSCLIENT:-emacsclient}
PRINT_ONLY=
NO_WINDOW=
USE_EMACSCLIENT=
AUTO_DAEMON=
CREATE_FRAME=
ELISP=
MAILTO=
HELLO=
# Short options compatible with mutt(1).
while getopts :s:c:b:i:h opt; do
# Handle errors and long options.
case "${opt}" in
:)
echo "$0: short option -${OPTARG} requires an argument." >&2
exit 1
;;
\?)
opt=$1
if [ "${OPTARG}" != "-" ]; then
echo "$0: unknown short option -${OPTARG}." >&2
exit 1
fi
case "${opt}" in
# Long options with arguments.
--subject=*|--to=*|--cc=*|--bcc=*|--body=*)
OPTARG=${opt#--*=}
opt=${opt%%=*}
;;
# Long options without arguments.
--help|--print|--no-window-system|--client|--auto-daemon|--create-frame|--hello)
;;
*)
echo "$0: unknown long option ${opt}, or argument mismatch." >&2
exit 1
;;
esac
# getopts does not do this for what it considers errors.
OPTIND=$((OPTIND + 1))
;;
esac
escape -v OPTARG "${OPTARG-none}"
case "${opt}" in
--help|h)
exec man notmuch-emacs-mua
;;
--subject|s)
ELISP="${ELISP} (message-goto-subject) (insert \"${OPTARG}\")"
;;
--to)
ELISP="${ELISP} (message-goto-to) (insert \"${OPTARG}, \")"
;;
--cc|c)
ELISP="${ELISP} (message-goto-cc) (insert \"${OPTARG}, \")"
;;
--bcc|b)
ELISP="${ELISP} (message-goto-bcc) (insert \"${OPTARG}, \")"
;;
--body|i)
ELISP="${ELISP} (message-goto-body) (insert-file \"${OPTARG}\")"
;;
--print)
PRINT_ONLY=1
;;
--no-window-system)
NO_WINDOW="-nw"
;;
--client)
USE_EMACSCLIENT="yes"
;;
--auto-daemon)
AUTO_DAEMON="--alternate-editor="
CREATE_FRAME="-c"
;;
--create-frame)
CREATE_FRAME="-c"
;;
--hello)
HELLO=1
;;
*)
# We should never end up here.
echo "$0: internal error (option ${opt})." >&2
exit 1
;;
esac
shift $((OPTIND - 1))
OPTIND=1
done
# Positional parameters.
for arg; do
escape -v arg "${arg}"
case $arg in
mailto:*)
if [ -n "${MAILTO}" ]; then
echo "$0: more than one mailto: argument." >&2
exit 1
fi
MAILTO="${arg}"
;;
*)
ELISP="${ELISP} (message-goto-to) (insert \"${arg}, \")"
;;
esac
done
if [ -n "${MAILTO}" ]; then
if [ -n "${ELISP}" ]; then
echo "$0: mailto: is not compatible with other message parameters." >&2
exit 1
fi
ELISP="(browse-url-mail \"${MAILTO}\")"
elif [ -z "${ELISP}" -a -n "${HELLO}" ]; then
ELISP="(notmuch)"
else
ELISP="(notmuch-mua-new-mail) ${ELISP}"
fi
# Kill the terminal/frame if we're creating one.
if [ -z "$USE_EMACSCLIENT" -o -n "$CREATE_FRAME" -o -n "$NO_WINDOW" ]; then
ELISP="${ELISP} (message-add-action #'save-buffers-kill-terminal 'exit)"
fi
escape -v pwd "$PWD"
# The crux of it all: construct an elisp progn and eval it.
ELISP="(prog1 'done (require 'notmuch) (cd \"$pwd\") ${ELISP})"
if [ -n "$PRINT_ONLY" ]; then
echo ${ELISP}
exit 0
fi
if [ -n "$USE_EMACSCLIENT" ]; then
# Evaluate the progn.
exec ${EMACSCLIENT} ${NO_WINDOW} ${CREATE_FRAME} ${AUTO_DAEMON} --eval "${ELISP}"
else
exec ${EMACS} ${NO_WINDOW} --eval "${ELISP}"
fi
|