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infra/dotfiles/desktop/.bashrc.d/14-dbus-session.sh
2026-05-10 08:57:05 +02:00

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# Validate DBUS_SESSION_BUS_ADDRESS: a stale value (e.g. inherited from a
# dead X session) makes secret-tool, mbsync, msmtp fail with
# "Could not connect: No such file or directory".
# Fall back to ~/.dbus-session-bus-address (written by .xinitrc) or
# /run/user/$UID/bus, mirroring scripts/bootstrap_mail.sh.
_dbus_addr_socket_path() {
printf '%s' "${1#unix:path=}" | sed 's/,.*//'
}
_dbus_addr_is_live() {
case "$1" in
unix:path=*)
[ -S "$(_dbus_addr_socket_path "$1")" ]
;;
unix:abstract=*)
return 0
;;
*)
return 1
;;
esac
}
if ! _dbus_addr_is_live "${DBUS_SESSION_BUS_ADDRESS:-}"; then
unset DBUS_SESSION_BUS_ADDRESS
if [ -f "$HOME/.dbus-session-bus-address" ]; then
_saved=$(tr -d '\n' <"$HOME/.dbus-session-bus-address" 2>/dev/null)
if [ -n "$_saved" ] && _dbus_addr_is_live "$_saved"; then
export DBUS_SESSION_BUS_ADDRESS="$_saved"
fi
unset _saved
fi
if [ -z "${DBUS_SESSION_BUS_ADDRESS:-}" ] && [ -S "/run/user/$(id -u)/bus" ]; then
export DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/$(id -u)/bus"
fi
fi
unset -f _dbus_addr_socket_path _dbus_addr_is_live