;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017-2021, 2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2023 Oleg Pykhalov <go.wigust@gmail.com>
;;;
;;; 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-pack)
  #:use-module (guix scripts pack)
  #:use-module (guix store)
  #:use-module (guix derivations)
  #:use-module (guix profiles)
  #:use-module (guix packages)
  #:use-module (guix monads)
  #:use-module (guix tests)
  #:use-module (guix gexp)
  #:use-module (guix modules)
  #:use-module (guix utils)
  #:use-module ((guix build utils) #:select (%store-directory))
  #:use-module (gnu packages)
  #:use-module ((gnu packages base) #:select (libc-utf8-locales-for-target))
  #:use-module (gnu packages bootstrap)
  #:use-module ((gnu packages package-management) #:select (rpm))
  #:use-module ((gnu packages compression) #:select (squashfs-tools))
  #:use-module ((gnu packages debian) #:select (dpkg))
  #:use-module ((gnu packages guile) #:select (guile-sqlite3))
  #:use-module ((gnu packages gnupg) #:select (guile-gcrypt))
  #:use-module ((gnu packages linux) #:select (fakeroot))
  #:use-module (srfi srfi-64))

(define %store
  (open-connection-for-tests))

;; Globally disable grafts because they can trigger early builds.
(%graft? #f)

(define %gzip-compressor
  ;; Compressor that uses the bootstrap 'gzip'.
  ((@ (guix scripts pack) compressor) "gzip"
   ".gz"
   #~(list #+(file-append %bootstrap-coreutils&co "/bin/gzip") "-6n")))

(define %tar-bootstrap %bootstrap-coreutils&co)

(define %ar-bootstrap %bootstrap-binutils)

;;; This is a variant of the RPM package configured so that its database can
;;; be created on a writable location readily available inside the build
;;; container ("/tmp").
(define rpm-for-tests
  (package
    (inherit rpm)
    (arguments (substitute-keyword-arguments (package-arguments rpm)
                 ((#:configure-flags flags '())
                  #~(cons "--localstatedir=/tmp"
                          (delete "--localstatedir=/var" #$flags)))))))


(test-begin "pack")

;; The following test needs guile-sqlite3, libgcrypt, etc. as a consequence of
;; commit c45477d2a1a651485feede20fe0f3d15aec48b39 and related changes.  Thus,
;; run it on the user's store, if it's available, on the grounds that these
;; dependencies may be already there, or we can get substitutes or build them
;; quite inexpensively; see <https://bugs.gnu.org/32184>.
(with-external-store store
  (define-syntax-rule (test-assertm name exp)
    (test-assert name
      (let ((guile (package-derivation store %bootstrap-guile)))
        (run-with-store store exp
                        #:guile-for-build guile))))

  (unless store (test-skip 1))
  (test-assertm "self-contained-tarball"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (tarball (self-contained-tarball "pack" profile
                                          #:symlinks '(("/bin/Guile"
                                                        -> "bin/guile"))
                                          #:compressor %gzip-compressor
                                          #:archiver %tar-bootstrap))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-imported-modules '((guix build utils))
                     #~(begin
                         (use-modules (guix build utils)
                                      (srfi srfi-1))

                         (define store
                           ;; The unpacked store.
                           (string-append "." (%store-directory) "/"))

                         (define (canonical? file)
                           ;; Return #t if FILE is read-only and its mtime is 1.
                           (let ((st (lstat file)))
                             (or (not (string-prefix? store file))
                                 (eq? 'symlink (stat:type st))
                                 (and (= 1 (stat:mtime st))
                                      (zero? (logand #o222
                                                     (stat:mode st)))))))

                         (define bin
                           (string-append "." #$profile "/bin"))

                         (setenv "PATH"
                                 (string-append #$%tar-bootstrap "/bin"))
                         (system* "tar" "xvf" #$tarball)
                         (mkdir #$output)
                         (exit
                          (and (file-exists? (string-append bin "/guile"))
                               (file-exists? store)
                               (every canonical?
                                      (find-files "." (const #t)
                                                  #:directories? #t))
                               (string=? (string-append #$%bootstrap-guile "/bin")
                                         (readlink bin))
                               (string=? (string-append ".." #$profile
                                                        "/bin/guile")
                                         (readlink "bin/Guile")))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "self-contained-tarball + localstatedir"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (tarball (self-contained-tarball "tar-pack" profile
                                          #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   #~(let ((bin (string-append "." #$profile "/bin")))
                       (setenv "PATH"
                               (string-append #$%tar-bootstrap "/bin"))
                       (system* "tar" "xvf" #$tarball)
                       (mkdir #$output)
                       (exit
                        (and (file-exists? "var/guix/db/db.sqlite")
                             (string=? (string-append #$%bootstrap-guile "/bin")
                                       (readlink bin))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "self-contained-tarball + localstatedir, UTF-8 file names"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (tree    (interned-file-tree
                   `("directory-with-utf8-file-names" directory
                     ("α" regular (data "alpha"))
                     ("λ" regular (data "lambda")))))
         (tarball (self-contained-tarball "tar-pack" tree
                                          #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-extensions (list guile-sqlite3 guile-gcrypt)
                     (with-imported-modules (source-module-closure
                                             '((guix store database)))
                       #~(begin
                           (use-modules (guix store database)
                                        (rnrs io ports)
                                        (srfi srfi-1))

                           (define (valid-file? basename data)
                             (define file
                               (string-append "./" #$tree "/" basename))

                             (string=? (call-with-input-file (pk 'file file)
                                         get-string-all)
                                       data))

                           (setenv "PATH"
                                   (string-append #$%tar-bootstrap "/bin"))
                           (system* "tar" "xvf" #$tarball)

                           (sql-schema
                            #$(local-file (search-path %load-path
                                                       "guix/store/schema.sql")))
                           (with-database "var/guix/db/db.sqlite" db
                             ;; Make sure non-ASCII file names are properly
                             ;; handled.
                             (setenv "GUIX_LOCPATH"
                                     #+(file-append
                                        (libc-utf8-locales-for-target)
                                        "/lib/locale"))
                             (setlocale LC_ALL "en_US.utf8")

                             (mkdir #$output)
                             (exit
                              (and (every valid-file?
                                          '("α" "λ")
                                          '("alpha" "lambda"))
                                   (integer? (path-id db #$tree)))))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "docker-image + localstatedir"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (tarball (docker-image "docker-pack" profile
                                #:symlinks '(("/bin/Guile" -> "bin/guile"))
                                #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-imported-modules '((guix build utils))
                     #~(begin
                         (use-modules (guix build utils)
                                      (ice-9 match))

                         (define bin
                           (string-append "." #$profile "/bin"))

                         (setenv "PATH" (string-append #$%tar-bootstrap "/bin"))
                         (mkdir "base")
                         (with-directory-excursion "base"
                           (invoke "tar" "xvf" #$tarball))

                         (match (find-files "base" "layer.tar")
                           ((layer)
                            (invoke "tar" "xvf" layer)))

                         (when (and (file-exists? (string-append bin "/guile"))
                                    (file-exists? "var/guix/db/db.sqlite")
                                    (file-is-directory? "tmp")
                                    (string=? (string-append #$%bootstrap-guile "/bin")
                                              (pk 'binlink (readlink bin)))
                                    (string=? (string-append #$profile "/bin/guile")
                                              (pk 'guilelink (readlink "bin/Guile"))))
                           (mkdir #$output)))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "docker-layered-image + localstatedir"
    (mlet* %store-monad
        ((guile (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (tarball (docker-image "docker-pack" profile
                                #:symlinks '(("/bin/Guile" -> "bin/guile"))
                                #:localstatedir? #t
                                #:max-layers 100))
         (check (gexp->derivation
                 "check-tarball"
                 (with-imported-modules '((guix build utils))
                   #~(begin
                       (use-modules (guix build utils)
                                    (ice-9 match))

                       (define bin
                         (string-append "." #$profile "/bin"))

                       (define store
                         (string-append "." #$(%store-directory)))

                       (setenv "PATH" (string-append #$%tar-bootstrap "/bin"))
                       (mkdir "base")
                       (with-directory-excursion "base"
                         (invoke "tar" "xvf" #$tarball))

                       (match (find-files "base" "layer.tar")
                         ((layers ...)
                          (for-each (lambda (layer)
                                      (invoke "tar" "xvf" layer)
                                      (invoke "chmod" "--recursive" "u+w" store))
                                    layers)))

                       (when
                           (and (file-exists? (string-append bin "/guile"))
                                (file-exists? "var/guix/db/db.sqlite")
                                (file-is-directory? "tmp")
                                (string=? (string-append #$%bootstrap-guile "/bin")
                                          (readlink bin))
                                (string=? (string-append #$profile "/bin/guile")
                                          (readlink "bin/Guile")))
                         (mkdir #$output)))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "squashfs-image + localstatedir"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (image   (squashfs-image "squashfs-pack" profile
                                  #:symlinks '(("/bin" -> "bin"))
                                  #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-imported-modules '((guix build utils))
                     #~(begin
                         (use-modules (guix build utils)
                                      (ice-9 match))

                         (define bin
                           (string-append "." #$profile "/bin"))

                         (setenv "PATH"
                                 (string-append #$squashfs-tools "/bin"))
                         (invoke "unsquashfs" #$image)
                         (with-directory-excursion "squashfs-root"
                           (when (and (file-exists? (string-append bin
                                                                   "/guile"))
                                      (file-exists? "var/guix/db/db.sqlite")
                                      (string=? (string-append #$%bootstrap-guile "/bin")
                                                (pk 'binlink (readlink bin)))

                                      ;; This is a relative symlink target.
                                      (string=? (string-drop
                                                 (string-append #$profile "/bin")
                                                 1)
                                                (pk 'guilelink (readlink "bin"))))
                             (mkdir #$output))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "deb archive with symlinks and control files"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (deb (debian-archive
               "deb-pack" profile
               #:compressor %gzip-compressor
               #:symlinks '(("/opt/gnu/bin" -> "bin"))
               #:archiver %tar-bootstrap
               #:extra-options
               (list #:triggers-file
                     (plain-file "triggers"
                                 "activate-noawait /usr/share/icons/hicolor\n")
                     #:postinst-file
                     (plain-file "postinst"
                                 "echo running configure script\n"))))
         (check
          (gexp->derivation
           "check-deb-pack"
           (with-imported-modules '((guix build utils))
             #~(begin
                 (use-modules (guix build utils)
                              (ice-9 match)
                              (ice-9 popen)
                              (ice-9 rdelim)
                              (ice-9 textual-ports)
                              (rnrs base))

                 (setenv "PATH" (string-join
                                 (list (string-append #+%tar-bootstrap "/bin")
                                       (string-append #+dpkg "/bin")
                                       (string-append #+%ar-bootstrap "/bin"))
                                 ":"))

                 ;; Validate the output of 'dpkg --info'.
                 (let* ((port (open-pipe* OPEN_READ "dpkg" "--info" #$deb))
                        (info (get-string-all port))
                        (exit-val (status:exit-val (close-pipe port))))
                   (assert (zero? exit-val))

                   (assert (string-contains
                            info
                            (string-append "Package: "
                                           #+(package-name %bootstrap-guile))))

                   (assert (string-contains
                            info
                            (string-append "Version: "
                                           #+(package-version %bootstrap-guile)))))

                 ;; Sanity check .deb contents.
                 (invoke "ar" "-xv" #$deb)
                 (assert (file-exists? "debian-binary"))
                 (assert (file-exists? "data.tar.gz"))
                 (assert (file-exists? "control.tar.gz"))

                 ;; Verify there are no hard links in data.tar.gz, as hard
                 ;; links would cause dpkg to fail unpacking the archive.
                 (define hard-links
                   (let ((port (open-pipe* OPEN_READ "tar" "-tvf" "data.tar.gz")))
                     (let loop ((hard-links '()))
                       (match (read-line port)
                         ((? eof-object?)
                          (assert (zero? (status:exit-val (close-pipe port))))
                          hard-links)
                         (line
                          (if (string-prefix? "u" line)
                              (loop (cons line hard-links))
                              (loop hard-links)))))))

                 (unless (null? hard-links)
                   (error "hard links found in data.tar.gz" hard-links))

                 ;; Verify the presence of the control files.
                 (invoke "tar" "-xf" "control.tar.gz")
                 (assert (file-exists? "control"))
                 (assert (and (file-exists? "postinst")
                              (= #o111  ;script is executable
                                 (logand #o111 (stat:perms
                                                (stat "postinst"))))))
                 (assert (file-exists? "triggers"))

                 (mkdir #$output))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "rpm archive can be installed/uninstalled"
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (rpm-pack (rpm-archive "rpm-pack" profile
                                #:compressor %gzip-compressor
                                #:symlinks '(("/bin/guile" -> "bin/guile"))
                                #:extra-options '(#:relocatable? #t)))
         (check
          (gexp->derivation
           "check-rpm-pack"
           (with-imported-modules (source-module-closure
                                   '((guix build utils)))
             #~(begin
                 (use-modules (guix build utils))

                 (define fakeroot #+(file-append fakeroot "/bin/fakeroot"))
                 (define rpm #+(file-append rpm-for-tests "/bin/rpm"))
                 (mkdir-p "/tmp/lib/rpm")

                 ;; Install the RPM package.  This causes RPM to validate the
                 ;; signatures, header as well as the file digests, which
                 ;; makes it a rather thorough test.
                 (mkdir "test-prefix")
                 (invoke fakeroot rpm "--install"
                         (string-append "--prefix=" (getcwd) "/test-prefix")
                         #$rpm-pack)

                 ;; Invoke the installed Guile command.
                 (invoke "./test-prefix/bin/guile" "--version")

                 ;; Uninstall the RPM package.
                 (invoke fakeroot rpm "--erase" "guile-bootstrap")

                 ;; Required so the above is run.
                 (mkdir #$output))))))
      (built-derivations (list check)))))

(test-end)

;; Local Variables:
;; eval: (put 'test-assertm 'scheme-indent-function 2)
;; End:
