jobcore/pinentry/pinentry

#!/bin/bash

# Run user-defined and site-defined pre-exec hooks.
[[ -r "${XDG_CONFIG_HOME:-$HOME/.config}"/pinentry/preexec ]] && \
	. "${XDG_CONFIG_HOME:-$HOME/.config}"/pinentry/preexec
[[ -r /etc/pinentry/preexec ]] && . /etc/pinentry/preexec

# Guess preferred backend based on environment.
backends=(curses tty)
if [[ -n "$DISPLAY" || -n "$WAYLAND_DISPLAY" ]]; then
	case "$XDG_CURRENT_DESKTOP" in
	KDE|LXQT|LXQt)
		backends=(qt qt5 gnome3 gtk curses tty)
		;;
	*)
		backends=(gnome3 gtk qt qt5 curses tty)
		;;
	esac
fi

for backend in "${backends[@]}"
do
	lddout=$(ldd "/usr/bin/pinentry-$backend" 2>/dev/null) || continue
	[[ "$lddout" == *'not found'* ]] && continue
	exec "/usr/bin/pinentry-$backend" "$@"
done

exit 1