ordo/bin/play.scm
2024-07-16 16:26:09 +01:00

42 lines
1.6 KiB
Scheme
Executable file

#!/usr/bin/env -S guile --no-auto-compile -e main -s
!#
(use-modules (srfi srfi-11)
(ice-9 getopt-long)
(ice-9 format)
(ordo util tmpdir))
(define (collect-files tarball dir . files)
(let* ((mode (if (file-exists? tarball) "--append" "--create"))
(rc (apply system* "tar" mode "--gzip" "--directory" dir "--file" tarball files)))
(unless (zero? rc)
(error (string-append "Error collecting files")))))
(define* (usage #:optional errmsg)
(with-output-to-port (current-error-port)
(lambda ()
(when errmsg
(format #t "Error: ~a~%~%" errmsg))
(display "Usage: play -t TARGET PLAYBOOK")
(newline)))
(exit (if errmsg EXIT_FAILURE EXIT_SUCCESS)))
(define (process-options args)
(let* ((option-spec '((help (single-char #\h) (value #f))
(target (single-char #\t) (value #t) (required? #t))))
(options (getopt-long args option-spec))
(help-wanted (option-ref options 'help #f))
(target (option-ref options 'target #f))
(args (option-ref options '() '())))
(cond
(help-wanted (usage))
((not (= 1 (length args)))
(usage "Expected exactly one playbook")))
(values (car args) target)))
(define (main args)
(let-values (((playbook-path target) (process-options args)))
(define playbook (load (canonicalize-path playbook-path)))
(define top-dir (dirname (dirname (current-filename))))
(define tmp-dir (create-temporary-directory))
(define tarball (string-append tmp-dir "/payload.tar.gz"))
(collect-files tarball top-dir "modules" "bin")))