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#!/bin/sh
# Update Emacs daemon environment vars for a new interactive session. This
# allows us to have the Emacs daemon survive restarts of the graphical desktop
# environment, and to update Emacs on a remote host when there is a new
# forwarded SSH agent socket.
#
# Note that this will start the Emacs daemon if it not up already.
which emacsclient >/dev/null || exit 0
for var in DISPLAY \
WAYLAND_DISPLAY \
SSH_ASKPASS \
SSH_AUTH_SOCK \
SSH_AGENT_PID \
SSH_CONNECTION \
WINDOWID \
XAUTHORITY \
XDG_SESSION_TYPE \
XDG_CURRENT_DESKTOP \
SWAYSOCK \
I3SOCK; do
eval isset=\${$var+x}
if [ "$isset" = "x" ]; then
eval value=\$$var
emacsclient -eval '(setenv "'$var'" "'$value'")'
fi
done
# finally, also call a function which now updates the values in Eshells and
# our (Common) Lisp image(s) from Emacs' values
emacsclient -eval '(spw/propagate-new-environment)'
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