dotfiles/zsh/.oh-my-zsh/plugins/emacs/emacsclient.sh
2024-06-19 00:06:56 +02:00

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#!/bin/sh
emacsfun() {
local cmd frames
# Build the Emacs Lisp command to check for suitable frames
# See https://www.gnu.org/software/emacs/manual/html_node/elisp/Frames.html#index-framep
case "$*" in
*-t*|*--tty*|*-nw*) cmd="(memq 't (mapcar 'framep (frame-list)))" ;; # if != nil, there are tty frames
*) cmd="(delete 't (mapcar 'framep (frame-list)))" ;; # if != nil, there are graphical terminals (x, w32, ns)
esac
# Check if there are suitable frames
frames="$(emacsclient -a '' -n -e "$cmd" 2>/dev/null |sed 's/.*\x07//g' )"
# Only create another X frame if there isn't one present
if [ -z "$frames" -o "$frames" = nil ]; then
emacsclient --alternate-editor="" --create-frame "$@"
return $?
fi
emacsclient --alternate-editor="" "$@"
}
# Adapted from https://github.com/davidshepherd7/emacs-read-stdin/blob/master/emacs-read-stdin.sh
# If the second argument is - then write stdin to a tempfile and open the
# tempfile. (first argument will be `--no-wait` passed in by the plugin.zsh)
if [ $# -ge 2 -a "$2" = "-" ]; then
# Create a tempfile to hold stdin
tempfile="$(mktemp --tmpdir emacs-stdin-$USERNAME.XXXXXXX 2>/dev/null \
|| mktemp -t emacs-stdin-$USERNAME)" # support BSD mktemp
# Redirect stdin to the tempfile
cat - > "$tempfile"
# Reset $2 to the tempfile so that "$@" works as expected
set -- "$1" "$tempfile" "${@:3}"
fi
emacsfun "$@"