blob: 6ecbed3432e448f621e0fb0a7ffbdbbb276cf203 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
#!@bash@
# Copyright (C) 2011, 2013-2014, 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] [SHELL]" "$0"
echo
print 'This utility does NOT support option combining.'
echo
print 'The following OPTIONS are accepted:'
emacs_usage
flag '-r' 'Use rxvt-style parsing of CMD for -e (~execve)'
flag '-x' 'Use xterm-style parsing of CMD for -e (~system)'
flag "-e $(_ CMD)" 'Execute CMD instead of ${SHELL:-/bin/sh}'
}
main() {
declare mode
declare mimic
declare cmd
declare -a flags
parse "$@"
next \
emacsclient "${flags[@]}" --eval \
"(term $(emacs_quote "${cmd}"))"
}
# Sets the 'global' variables:
# - mode
# - mimic
# - cmd
# - flags (array)
parse() {
mode=normal
mimic=rxvt
cmd=
flags=()
emacs_getopt_init
while [[ $# -gt 0 ]] && [ "$mode" != error ]; do
case "$1" in
-V|--version) shift; mode=version;;
-H|--help) shift; mode=usage;;
-r) shift; mimic=rxvt;;
-x) shift; mimic=xterm;;
-e) shift; parse_cmd "$@"; set --;;
--) shift; parse_shell "$@"; set --;;
-*) parse_emacs_getopt "$@"; shift $?;;
*) parse_shell "$@"; set --;;
esac
done
# This matches rxvt's behavior.
# This is simpler than xterm's behavior.
cmd="${cmd:-${SHELL:-/bin/sh}}"
}
# Return status is the number of things to shift
parse_emacs_getopt() {
declare -a flag
# Because we don't want options to get combined, we run getopt
# with : stripped, so that we can check that it returned 2
# arguments: the flag itself, and '--'. If there were
# combined flags, then it will return more than 2 arguments.
if eval "flag=($(getopt -a \
-n "$0" \
-o "${emacs_getopt_o//:/}" \
-l "${emacs_getopt_l//:/}" \
-- "$1" 2>/dev/null))" &&
[[ ${#flag[@]} == 2 ]]
then
# getopt worked
if [[ $flag =~ $emacs_getopt_2 ]]; then
# flag takes an argument
if [[ $# -gt 1 ]]; then
flags+=("$flag" "$2")
return 2
else
# Missing the required 2nd part
getopt -Q -a \
-n "$0" \
-o "$emacs_getopt_o" \
-l "$emacs_getopt_l" \
-- "$flag"
mode=error
return 1
fi
else
# pass the flag along to emacs
flags+=("$flag")
return 1
fi
else
# getopt either didn't work, or did combined flags
# Have getopt display its own error message:
getopt -Q -a -n "$0" -o '' -l '' -- "$1"
mode=error
return 1
fi
}
parse_cmd() {
cmd="$(mktemp -t -- "${0##*/}.XXXXXXXXXX")"
trap "$(printf 'rm -f -- %q' "$cmd")" EXIT
{
echo '#!/bin/sh'
case "$mimic" in
xterm)
if [[ $# == 1 ]]; then
printf '%s' "$1"
else
printf -- '%q ' exec "$@"
fi
;;
rxvt)
printf -- '%q ' exec "$@"
;;
esac
echo
} > "$cmd"
chmod 755 "$cmd"
}
parse_shell() {
if [[ $# == 1 ]]; then
cmd=$1
else
shift
error "extra arguments: %s" "$*"
mode=error
fi
}
main "$@"
|
