diff options
Diffstat (limited to 'gnu/services/base.scm')
| -rw-r--r-- | gnu/services/base.scm | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 6ab7b110ec..b1c6f3c941 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -939,36 +939,38 @@ the message of the day, among other things." (define (default-serial-port) "Return a gexp that determines a reasonable default serial port to use as the tty. This is primarily useful for headless systems." - #~(begin - ;; console=device,options - ;; device: can be tty0, ttyS0, lp0, ttyUSB0 (serial). - ;; options: BBBBPNF. P n|o|e, N number of bits, - ;; F flow control (r RTS) - (let* ((not-comma (char-set-complement (char-set #\,))) - (command (linux-command-line)) - (agetty-specs (find-long-options "agetty.tty" command)) - (console-specs (filter (lambda (spec) - (and (string-prefix? "tty" spec) - (not (or - (string-prefix? "tty0" spec) - (string-prefix? "tty1" spec) - (string-prefix? "tty2" spec) - (string-prefix? "tty3" spec) - (string-prefix? "tty4" spec) - (string-prefix? "tty5" spec) - (string-prefix? "tty6" spec) - (string-prefix? "tty7" spec) - (string-prefix? "tty8" spec) - (string-prefix? "tty9" spec))))) - (find-long-options "console" command))) - (specs (append agetty-specs console-specs))) - (match specs - (() #f) - ((spec _ ...) - ;; Extract device name from first spec. - (match (string-tokenize spec not-comma) - ((device-name _ ...) - device-name))))))) + (with-imported-modules (source-module-closure + '((gnu build linux-boot))) ;for 'find-long-options' + #~(begin + ;; console=device,options + ;; device: can be tty0, ttyS0, lp0, ttyUSB0 (serial). + ;; options: BBBBPNF. P n|o|e, N number of bits, + ;; F flow control (r RTS) + (let* ((not-comma (char-set-complement (char-set #\,))) + (command (linux-command-line)) + (agetty-specs (find-long-options "agetty.tty" command)) + (console-specs (filter (lambda (spec) + (and (string-prefix? "tty" spec) + (not (or + (string-prefix? "tty0" spec) + (string-prefix? "tty1" spec) + (string-prefix? "tty2" spec) + (string-prefix? "tty3" spec) + (string-prefix? "tty4" spec) + (string-prefix? "tty5" spec) + (string-prefix? "tty6" spec) + (string-prefix? "tty7" spec) + (string-prefix? "tty8" spec) + (string-prefix? "tty9" spec))))) + (find-long-options "console" command))) + (specs (append agetty-specs console-specs))) + (match specs + (() #f) + ((spec _ ...) + ;; Extract device name from first spec. + (match (string-tokenize spec not-comma) + ((device-name _ ...) + device-name)))))))) (define agetty-shepherd-service (match-lambda |