;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2020 Ludovic Courtès ;;; ;;; 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 . ;;; ;;; Validate 'etc/news.scm'. ;;; (use-modules (git) (guix git) (guix ui) (guix channels) (srfi srfi-26) (ice-9 match)) ;; XXX: These two things are currently private. (define read-channel-news (@@ (guix channels) read-channel-news)) (define channel-news-entries (cut struct-ref <> 0)) (define (all-the-news directory) "Return the read from DIRECTORY, a checkout of the 'guix' channel." (call-with-input-file (string-append directory "/etc/news.scm") read-channel-news)) (define (validate-texinfo str type language) "Parse STR as a Texinfo fragment and raise an error if that fails." (catch #t (lambda () (texi->plain-text str)) (lambda (key . args) (print-exception (current-error-port) #f key args) (report-error (G_ "the Texinfo snippet below is invalid (~a, ~a):~%") type language) (display str (current-error-port)) (exit 1)))) (define (validate-news-entry repository entry) "Validate ENTRY, a , making sure it refers to an existent commit of REPOSITORY and contains only valid Texinfo." (catch 'git-error (lambda () (let ((commit (commit-lookup repository (string->oid (channel-news-entry-commit entry))))) (for-each (match-lambda ((language . title) (validate-texinfo title 'title language))) (channel-news-entry-title entry)) (for-each (match-lambda ((language . body) (validate-texinfo body 'body language))) (channel-news-entry-body entry)))) (lambda (key error . rest) (if (= GIT_ENOTFOUND (git-error-code error)) (leave (G_ "commit '~a' of entry '~a' does not exist~%") (channel-news-entry-commit entry) (channel-news-entry-title entry)) (apply throw key error rest))))) (let* ((this-directory (dirname (current-filename))) (top-directory (string-append this-directory "/..")) (entries (channel-news-entries (all-the-news top-directory)))) (with-repository top-directory repository (for-each (cut validate-news-entry repository <>) entries) (info (G_ "All ~a channel news entries are valid.~%") (length entries)))) * 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 2021-06-18Start enabling substitutes from bordeaux.guix.gnu.org....Christopher Baines 2020-12-11maint: Remove unused 'NIX_VERSION' macro....Ludovic Courtès 2020-12-11maint: Avoid macros obsolete in Autoconf 2.70....Ludovic Courtès 2019-11-27daemon: GC remove-unused-links phase uses 'statx' when available....Ludovic Courtès