151 lines
3.7 KiB
Bash
151 lines
3.7 KiB
Bash
#!/usr/bin/env bash
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#
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# notmuch-emacs-mua - start composing a mail on the command line
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#
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# Copyright © 2014 Jani Nikula
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see http://www.gnu.org/licenses/ .
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#
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# Authors: Jani Nikula <jani@nikula.org>
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#
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set -eu
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# escape: "expand" '\' as '\\' and '"' as '\"'
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# calling convention: escape -v var "$arg" (like in bash printf).
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escape ()
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{
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local __escape_arg__=${3//\\/\\\\}
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printf -v $2 '%s' "${__escape_arg__//\"/\\\"}"
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}
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EMACS=${EMACS:-emacs}
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EMACSCLIENT=${EMACSCLIENT:-emacsclient}
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PRINT_ONLY=
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NO_WINDOW=
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USE_EMACSCLIENT=
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AUTO_DAEMON=
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CREATE_FRAME=
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# The crux of it all: construct an elisp progn and eval it.
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ELISP="(prog1 'done (require 'notmuch) (notmuch-mua-new-mail)"
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# Short options compatible with mutt(1).
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while getopts :s:c:b:i:h opt; do
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# Handle errors and long options.
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case "${opt}" in
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:)
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echo "$0: short option -${OPTARG} requires an argument." >&2
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exit 1
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;;
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\?)
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opt=$1
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if [ "${OPTARG}" != "-" ]; then
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echo "$0: unknown short option -${OPTARG}." >&2
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exit 1
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fi
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case "${opt}" in
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# Long options with arguments.
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--subject=*|--to=*|--cc=*|--bcc=*|--body=*)
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OPTARG=${opt#--*=}
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opt=${opt%%=*}
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;;
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# Long options without arguments.
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--help|--print|--no-window-system|--client|--auto-daemon|--create-frame)
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;;
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*)
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echo "$0: unknown long option ${opt}, or argument mismatch." >&2
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exit 1
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;;
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esac
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# getopts does not do this for what it considers errors.
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OPTIND=$((OPTIND + 1))
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;;
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esac
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escape -v OPTARG "${OPTARG-none}"
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case "${opt}" in
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--help|h)
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exec man notmuch-emacs-mua
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;;
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--subject|s)
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ELISP="${ELISP} (message-goto-subject) (insert \"${OPTARG}\")"
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;;
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--to)
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ELISP="${ELISP} (message-goto-to) (insert \"${OPTARG}, \")"
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;;
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--cc|c)
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ELISP="${ELISP} (message-goto-cc) (insert \"${OPTARG}, \")"
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;;
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--bcc|b)
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ELISP="${ELISP} (message-goto-bcc) (insert \"${OPTARG}, \")"
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;;
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--body|i)
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ELISP="${ELISP} (message-goto-body) (cd \"${PWD}\") (insert-file \"${OPTARG}\")"
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;;
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--print)
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PRINT_ONLY=1
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;;
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--no-window-system)
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NO_WINDOW="-nw"
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;;
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--client)
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USE_EMACSCLIENT="yes"
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;;
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--auto-daemon)
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AUTO_DAEMON="--alternate-editor="
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CREATE_FRAME="-c"
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;;
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--create-frame)
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CREATE_FRAME="-c"
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;;
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*)
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# We should never end up here.
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echo "$0: internal error (option ${opt})." >&2
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exit 1
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;;
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esac
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shift $((OPTIND - 1))
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OPTIND=1
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done
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# Positional parameters.
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for arg; do
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escape -v arg "${arg}"
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ELISP="${ELISP} (message-goto-to) (insert \"${arg}, \")"
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done
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# Kill the terminal/frame if we're creating one.
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if [ -z "$USE_EMACSCLIENT" -o -n "$CREATE_FRAME" -o -n "$NO_WINDOW" ]; then
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ELISP="${ELISP} (setq message-exit-actions (list #'save-buffers-kill-terminal))"
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fi
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# End progn.
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ELISP="${ELISP})"
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if [ -n "$PRINT_ONLY" ]; then
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echo ${ELISP}
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exit 0
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fi
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if [ -n "$USE_EMACSCLIENT" ]; then
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# Evaluate the progn.
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exec ${EMACSCLIENT} ${NO_WINDOW} ${CREATE_FRAME} ${AUTO_DAEMON} --eval "${ELISP}"
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else
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exec ${EMACS} ${NO_WINDOW} --eval "${ELISP}"
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fi
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