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4f3bdc8f21
Tar translate duplicate files in the archive into hard links. These can cause
problems, as not every tool support them; for example dpkg doesn't.
* gnu/system/file-systems.scm (reduce-directories): New procedure.
(file-prefix?): Lift the restriction on file prefix. The procedure can be
useful for comparing relative file names. Adjust doc.
(file-name-depth): New procedure, extracted from ...
(btrfs-store-subvolume-file-name): ... here.
* guix/scripts/pack.scm (self-contained-tarball/builder): Use
reduce-directories.
* tests/file-systems.scm ("reduce-directories"): New test.
136 lines
4.8 KiB
Scheme
136 lines
4.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015, 2017 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2020, 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-file-systems)
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#:use-module (guix store)
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#:use-module (guix modules)
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#:use-module (gnu system file-systems)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 match))
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;; Test the (gnu system file-systems) module.
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(test-begin "file-systems")
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(test-assert "file-system-needed-for-boot?"
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(let-syntax ((dummy-fs (syntax-rules ()
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((_ directory)
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(file-system
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(device "foo")
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(mount-point directory)
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(type "ext4"))))))
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(parameterize ((%store-prefix "/gnu/guix/store"))
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(and (file-system-needed-for-boot? (dummy-fs "/"))
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(file-system-needed-for-boot? (dummy-fs "/gnu"))
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(file-system-needed-for-boot? (dummy-fs "/gnu/guix"))
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(file-system-needed-for-boot? (dummy-fs "/gnu/guix/store"))
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(not (file-system-needed-for-boot?
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(dummy-fs "/gnu/guix/store/foo")))
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(not (file-system-needed-for-boot? (dummy-fs "/gn")))
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(not (file-system-needed-for-boot?
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(file-system
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(inherit (dummy-fs (%store-prefix)))
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(device "/foo")
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(flags '(bind-mount read-only)))))))))
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(test-equal "reduce-directories"
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'("./opt/gnu/" "./opt/gnuism" "a/b/c")
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(reduce-directories '("./opt/gnu/etc" "./opt/gnu/" "./opt/gnu/bin"
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"./opt/gnu/lib/debug" "./opt/gnuism" "a/b/c" "a/b/c")))
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(test-assert "does not pull (guix config)"
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;; This module is meant both for the host side and "build side", so make
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;; sure it doesn't pull in (guix config), which depends on the user's
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;; config.
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(not (member '(guix config)
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(source-module-closure '((gnu system file-systems))))))
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(test-equal "does not pull (gnu packages …)"
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;; Same story: (gnu packages …) should not be pulled.
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#f
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(find (match-lambda
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(('gnu 'packages _ ..1) #t)
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(_ #f))
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(source-module-closure '((gnu system file-systems)))))
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(test-equal "file-system-options->alist"
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'("autodefrag" ("subvol" . "home") ("compress" . "lzo"))
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(file-system-options->alist "autodefrag,subvol=home,compress=lzo"))
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(test-equal "file-system-options->alist (#f)"
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'()
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(file-system-options->alist #f))
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(test-equal "alist->file-system-options"
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"autodefrag,subvol=root,compress=lzo"
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(alist->file-system-options '("autodefrag"
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("subvol" . "root")
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("compress" . "lzo"))))
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(test-equal "alist->file-system-options (null)"
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#f
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(alist->file-system-options '()))
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;;;
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;;; Btrfs related.
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;;;
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(define %btrfs-root-subvolume
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(file-system
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(device (file-system-label "btrfs-pool"))
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(mount-point "/")
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(type "btrfs")
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(options "subvol=rootfs,compress=zstd")))
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(define %btrfs-store-subvolid
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(file-system
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(device (file-system-label "btrfs-pool"))
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(mount-point "/gnu/store")
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(type "btrfs")
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(options "subvolid=10,compress=zstd")
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(dependencies (list %btrfs-root-subvolume))))
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(define %btrfs-store-subvolume
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(file-system
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(device (file-system-label "btrfs-pool"))
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(mount-point "/gnu/store")
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(type "btrfs")
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(options "subvol=/some/nested/file/name")
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(dependencies (list %btrfs-root-subvolume))))
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(test-assert "btrfs-subvolume? (subvol)"
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(btrfs-subvolume? %btrfs-root-subvolume))
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(test-assert "btrfs-subvolume? (subvolid)"
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(btrfs-subvolume? %btrfs-store-subvolid))
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(test-equal "btrfs-store-subvolume-file-name"
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"/some/nested/file/name"
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(parameterize ((%store-prefix "/gnu/store"))
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(btrfs-store-subvolume-file-name (list %btrfs-root-subvolume
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%btrfs-store-subvolume))))
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(test-error "btrfs-store-subvolume-file-name (subvolid)"
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(parameterize ((%store-prefix "/gnu/store"))
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(btrfs-store-subvolume-file-name (list %btrfs-root-subvolume
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%btrfs-store-subvolid))))
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(test-end)
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