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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2017 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-file-systems)
  #:use-module (guix store)
  #:use-module (guix modules)
  #:use-module (gnu system file-systems)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-64)
  #:use-module (ice-9 match))

;; Test the (gnu system file-systems) module.

(test-begin "file-systems")

(test-assert "file-system-needed-for-boot?"
  (let-syntax ((dummy-fs (syntax-rules ()
                           ((_ directory)
                            (file-system
                              (device "foo")
                              (mount-point directory)
                              (type "ext4"))))))
    (parameterize ((%store-prefix "/gnu/guix/store"))
      (and (file-system-needed-for-boot? (dummy-fs "/"))
           (file-system-needed-for-boot? (dummy-fs "/gnu"))
           (file-system-needed-for-boot? (dummy-fs "/gnu/guix"))
           (file-system-needed-for-boot? (dummy-fs "/gnu/guix/store"))
           (not (file-system-needed-for-boot?
                 (dummy-fs "/gnu/guix/store/foo")))
           (not (file-system-needed-for-boot? (dummy-fs "/gn")))
           (not (file-system-needed-for-boot?
                 (file-system
                   (inherit (dummy-fs (%store-prefix)))
                   (device "/foo")
                   (flags '(bind-mount read-only)))))))))

(test-assert "does not pull (guix config)"
  ;; This module is meant both for the host side and "build side", so make
  ;; sure it doesn't pull in (guix config), which depends on the user's
  ;; config.
  (not (member '(guix config)
               (source-module-closure '((gnu system file-systems))))))

(test-equal "does not pull (gnu packages …)"
  ;; Same story: (gnu packages …) should not be pulled.
  #f
  (find (match-lambda
          (('gnu 'packages _ ..1) #t)
          (_ #f))
        (source-module-closure '((gnu system file-systems)))))

(test-end)
6e9c1c53bbf8055acbc2'>daemon: Always default to gzip for log compression....* nix/libstore/globals.cc (Settings::Settings): Have 'logCompression' default to COMPRESSION_GZIP unconditionally. * gnu/services/base.scm (<guix-configuration>)[log-compression]: Default to 'gzip. * doc/guix.texi (Invoking guix-daemon, Base Services): Adjust accordingly. Ludovic Courtès 2021-11-27daemon: Print the line whence we expect an integer....* nix/libstore/local-store.cc (LocalStore::getLineFromSubstituter): Include the malformed substituter stream line in the error message. Tobias Geerinckx-Rice 2021-11-25daemon: Read substitute nar size as 'unsigned long long'....Fixes <https://issues.guix.gnu.org/46212>. Reported by Christopher Baines <mail@cbaines.net>. Previously, the nar size returned by 'guix substitute' would be read as an 'int'; thus, values above 2^31 - 1 would be read and then stored as negative integers in the database. Regression introduced in 9dfa20a22ae0be3d3b01a7b3d422af97428c627e. * nix/libstore/build.cc (SubstitutionGoal::finished): Use templatized 'string2Int' instead of 'std::atoi' to get an 'unsigned long long', which is the type of 'hash.second'. * tests/store.scm ("substitute and large size"): New test. Ludovic Courtès 2021-11-25daemon: Read unsigned nar size and download size from substituter....Fixes <https://issues.guix.gnu.org/51983>. Reported by Tobias Geerinckx-Rice <me@tobias.gr>. * nix/libstore/local-store.cc (LocalStore::querySubstitutablePathInfos): Expect 'unsigned long long' for 'downloadSize' and 'narSize'. * tests/store.scm ("substitute query and large size"): New test. Ludovic Courtès 2021-11-19daemon: Micro-optimize 'deletePath'....'remove' calls 'unlink' first and falls back to 'rmdir' upon EISDIR. This change gets rid of the 'unlink' call for every directory being removed. * nix/libutil/util.cc (_deletePath): Call 'unlink' or 'rmdir' depending on 'st.st_mode', rather than call 'remove'. Ludovic Courtès 2021-11-16daemon: Do not deduplicate files smaller than 8 KiB....Files smaller than 8 KiB typically represent ~70% of the entries in /gnu/store/.links but only contribute to ~4% of the space savings afforded by deduplication. Not considering these files for deduplication speeds up file insertion in the store and, more importantly, leaves 'removeUnusedLinks' with fewer entries to traverse, thereby speeding it up proportionally. Partly fixes <https://issues.guix.gnu.org/24937>. * config-daemon.ac: Remove symlink hard link check and CAN_LINK_SYMLINK definition. * guix/store/deduplication.scm (%deduplication-minimum-size): New variable. (deduplicate)[loop]: Do not recurse when FILE's size is below %DEDUPLICATION-MINIMUM-SIZE. (dump-port): New procedure. (dump-file/deduplicate)[hash]: Turn into... [dump-and-compute-hash]: ... this thunk. Call 'deduplicate' only when SIZE is greater than %DEDUPLICATION-MINIMUM-SIZE; otherwise call 'dump-port'. * nix/libstore/gc.cc (LocalStore::removeUnusedLinks): Drop files where st.st_size < deduplicationMinSize. * nix/libstore/local-store.hh (deduplicationMinSize): New declaration. * nix/libstore/optimise-store.cc (deduplicationMinSize): New variable. (LocalStore::optimisePath_): Return when PATH is a symlink or smaller than 'deduplicationMinSize'. * tests/derivations.scm ("identical files are deduplicated"): Produce files bigger than %DEDUPLICATION-MINIMUM-SIZE. * tests/nar.scm ("restore-file-set with directories (signed, valid)"): Likewise. * tests/store-deduplication.scm ("deduplicate, below %deduplication-minimum-size"): New test. ("deduplicate", "deduplicate, ENOSPC"): Produce files bigger than %DEDUPLICATION-MINIMUM-SIZE. * tests/store.scm ("substitute, deduplication"): Likewise. Ludovic Courtès 2021-10-01build: Don’t delete ‘guix-gc.timer’ file....Without this invoking ‘make clean’ would remove ‘guix-gc.timer’, and ‘make’ would fail with. make[2]: *** No rule to make target 'etc/guix-gc.timer', needed by 'all-am'. Stop. * nix/local.mk (nodist_systemdservice_DATA): Remove ‘guix-gc.timer’. Xinglu Chen 2021-09-20etc: Add systemd files for running ‘guix gc’ periodically...* etc/guix-gc.service.in: New file. * etc/guix-gc.timer: Likewise. * .gitignore: Ignore generated ‘guix-gc.service’. * nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and ‘guix-gc.timer’. (EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’. * doc/guix.texi (Binary Installation): Mention the new systemd files. Signed-off-by: Mathieu Othacehe <othacehe@gnu.org> Thiago Jung Bauermann