ordo/bin/play.scm
Ray Miller 4ebd83491c Some refactoring and new functionality.
* Rename util/run to util/process.
* Rename `run` to `capture` to better reflect functionality.
* Implement `with-env`.
* Rename util/tmpdir to util/filesystem.
* Implement `delete-file-recursively`.
* Implement `call-with-temporary-directory`.
* Flesh out creation of tarball for transfer to remote system.
2024-07-17 17:12:36 +01:00

43 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 filesystem))
(define (tar . args)
(unless (zero? (apply system* "tar" args))
(error (format #f "Non-zero exit from tar ~a" args))))
(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 (canonicalize-path (car args)) target)))
(define (main args)
(let-values (((playbook-path target) (process-options args)))
(define playbook (load playbook-path))
(define top-dir (dirname (dirname (current-filename))))
(call-with-temporary-directory
(lambda (tmp-dir)
(define tarball (string-append tmp-dir "/payload.tar"))
(tar "--create" "--file" tarball "--directory" top-dir "modules" "bin")
(tar "--append" "--file" tarball "--transform" "s/.*/playbook.scm/" playbook-path)
(tar "tf" tarball)))))