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-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014 John Darrington
-;;; Copyright © 2015 Mark H Weaver <mhw@netris.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 (gnu packages tre)
- #:use-module (gnu packages)
- #:use-module (guix packages)
- #:use-module (guix download)
- #:use-module (guix build-system gnu)
- #:use-module (guix licenses))
-
-(define-public tre
- (package
- (name "tre")
- (version "0.8.0")
- (source
- (origin
- (method url-fetch)
- (uri
- (string-append "http://laurikari.net/tre/" name "-" version
- ".tar.bz2"))
- (sha256
- (base32 "0n36cgqys59r2gmb7jzbqiwsy790v8nbxk82d2n2saz0rp145ild"))))
-
- (build-system gnu-build-system)
- (arguments
- `(#:phases (alist-cons-before
- 'check 'install-locales
- (lambda _
- ;; The tests require the availability of the
- ;; 'en_US.ISO-8859-1' locale.
- (setenv "LOCPATH" (getcwd))
- (zero? (system* "localedef" "--no-archive"
- "--prefix" (getcwd) "-i" "en_US"
- "-f" "ISO-8859-1" "./en_US.ISO-8859-1")))
- %standard-phases)))
- (synopsis "Approximate regex matching library and agrep utility")
- (description "Superset of the POSIX regex API, enabling approximate
-matching. Also ships a version of the agrep utility which behaves similar to
-grep but features inexact matching.")
- (home-page "http://laurikari.net/tre")
- (license bsd-2)))
'/guix/commit/nix?id=24224530d1f4a70808d003ba8dce849b77625b79'>daemon: 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