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|
#!@bash@
m4_include(common.sh)
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 ${SHELL:-/bin/sh}'
}
main() {
declare mimic
declare cmd
declare -a flags
parse "$@"
emacsclient "${flags[@]}" --eval \
'(select-frame (make-frame))' \
"(term $(emacs_quote "${cmd}"))" \
'(set-window-dedicated-p (selected-window) t)'
}
# Sets the 'global' variables:
# - mode
# - mimic
# - cmd
# - flags (array)
parse() {
mimic=rxvt
cmd=
flags=()
local mode=normal
local error=false
emacs_getopt_init
while [[ $# -gt 0 ]]; 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
if $error; then
usage >&2
exit 1
fi
case "$mode" in
usage) usage; exit 0;;
version) version; exit 0;;
esac
if [[ -z "$cmd" ]]; then
# This matches rxvt's behavior.
# This is simpler than xterm's behavior.
cmd="${cmd:-${SHELL:-/bin/sh}}"
fi
}
# Return status is the number of things to shift
parse_emacs_getopt() {
declare -a flag
if eval "flag=($(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 -a \
-n "$0" \
-o "$emacs_getopt_o" \
-l "$emacs_getopt_l" \
-- "$flag" >/dev/null
error=true
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 -a -n "$0" -o '' -l '' -- "$1" >/dev/null
error=true
return 1
fi
}
parse_cmd() {
cmd="$(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=$1
else
shift
error "extra arguments: %s" "$*"
error=true
fi
}
main "$@"
|
