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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-cpio)
#:use-module (guix cpio)
#:use-module (guix tests)
#:use-module ((guix build utils) #:select (which))
#:use-module ((guix utils) #:select (call-with-temporary-output-file))
#:use-module (ice-9 match)
#:use-module (ice-9 popen)
#:use-module (rnrs io ports)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-64))
(define %cpio-program
(which "cpio"))
(define %test-file
(search-path %load-path "guix.scm"))
(test-begin "cpio")
;; The cpio format expects 'ino' to fit in 32 bits. If we have a bigger inode
;; number, skip this test.
(test-skip
(if (>= (stat:ino (lstat %test-file)) (expt 2 32)) 1 0))
(test-assert "file->cpio-header + write-cpio-header + read-cpio-header"
(let* ((header (file->cpio-header %test-file)))
(call-with-values
(lambda ()
(open-bytevector-output-port))
(lambda (port get-bv)
(write-cpio-header header port)
(let ((port (open-bytevector-input-port (get-bv))))
(equal? header (read-cpio-header port)))))))
(unless %cpio-program (test-skip 1))
(test-assert "bit-identical to GNU cpio's output"
(call-with-temporary-output-file
(lambda (link _)
(delete-file link)
(symlink "chbouib" link)
(let ((files (cons* "/"
(canonicalize-path
(dirname (search-path %load-path "guix.scm")))
link
(map (compose canonicalize-path
(cut search-path %load-path <>))
'("guix.scm" "guix/build/syscalls.scm"
"guix/packages.scm")))))
(call-with-temporary-output-file
(lambda (ref-file _)
(let ((pipe (open-pipe* OPEN_WRITE %cpio-program "-o" "-O" ref-file
"-H" "newc" "--null")))
(for-each (lambda (file)
(format pipe "~a\0" file))
files)
(and (zero? (close-pipe pipe))
(call-with-temporary-output-file
(lambda (file port)
(write-cpio-archive files port)
(close-port port)
(or (file=? ref-file file)
(throw 'cpio-archives-differ files
ref-file file
(stat:size (stat ref-file))
(stat:size (stat file))))))))))))))
(test-end "cpio")
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