diff options
Diffstat (limited to 'plugins/emacs/emacsclient.sh')
-rwxr-xr-x | plugins/emacs/emacsclient.sh | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/plugins/emacs/emacsclient.sh b/plugins/emacs/emacsclient.sh index 04a2c2afd..25efe0d68 100755 --- a/plugins/emacs/emacsclient.sh +++ b/plugins/emacs/emacsclient.sh @@ -1,29 +1,38 @@ #!/bin/sh -_emacsfun() -{ - # get list of emacs frames. - frameslist=`emacsclient --alternate-editor '' --eval '(frame-list)' 2>/dev/null | egrep -o '(frame)+'` +emacsfun() { + local cmd frames - if [ "$(echo "$frameslist" | sed -n '$=')" -ge 2 ] ;then - # prevent creating another X frame if there is at least one present. - emacsclient --alternate-editor "" "$@" - else - # Create one if there is no X window yet. - emacsclient --alternate-editor "" --create-frame "$@" - fi -} + # Build the Emacs Lisp command to check for suitable frames + # See https://www.gnu.org/software/emacs/manual/html_node/elisp/Frames.html#index-framep + case "$*" 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)" + # Only create another X frame if there isn't one present + if [ -z "$frames" -o "$frames" = nil ]; then + emacsclient --alternate-editor "" --create-frame "$@" + return $? + fi -# adopted from https://github.com/davidshepherd7/emacs-read-stdin/blob/master/emacs-read-stdin.sh + emacsclient --alternate-editor "" "$@" +} + +# 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 "$2" = "-" ] -then - tempfile="$(mktemp --tmpdir emacs-stdin-$USERNAME.XXXXXXX 2>/dev/null \ - || mktemp -t emacs-stdin-$USERNAME)" # support BSD mktemp - cat - > "$tempfile" - _emacsfun --no-wait $tempfile -else - _emacsfun "$@" +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" "${@:3}" fi + +emacsfun "$@" |