#!/bin/sh

PATH="$PATH:/usr/share/sensible-utils/bin"
# Prevent recursive loops, where these values are set to this script
program="$(realpath "$(command -v "$0")")"

Try()
{
    # global $candidate
    [ -z "$candidate" ] && return
    # Prevent recursive loops, where environment variables are set to this script
    [ x$(realpath "$(command -v "$candidate" || true)" || true) = "x$program" ] && return
    # interpret like environ (7) man page. Do not use eval in order to not leak variables
    sh -c "$candidate \"\$@\"" EDITOR "$@"
    ret=$?
    # Operating system command not found
    [ "$ret" -ne 126 ] && [ "$ret" -ne 127 ] && exit "$ret"
}

candidate="$BROWSER"
Try "$@"

if test -n "$DISPLAY"; then
    if test -n "$GNOME_DESKTOP_SESSION_ID"; then
        if test -x /usr/bin/gnome-www-browser; then
            exec /usr/bin/gnome-www-browser "$@"
        elif test -x /usr/bin/x-www-browser; then
            exec /usr/bin/x-www-browser "$@"
        elif test -x /usr/bin/gnome-terminal && test -x /usr/bin/www-browser; then
            exec /usr/bin/gnome-terminal -x /usr/bin/www-browser "$@"
        fi
    fi
    if test -x /usr/bin/x-www-browser; then
        exec /usr/bin/x-www-browser "$@"
    elif test -x /usr/bin/x-terminal-emulator && test -x /usr/bin/www-browser; then
        exec /usr/bin/x-terminal-emulator -x /usr/bin/www-browser "$@"
    fi
elif test -x /usr/bin/www-browser; then
    exec /usr/bin/www-browser "$@"
fi

echo "Couldn't find a suitable web browser!" >&2
echo "Set the BROWSER environment variable to your desired browser." >&2
exit 1