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Diffstat (limited to 'gnu/packages/compression.scm')
| -rw-r--r-- | gnu/packages/compression.scm | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm index cf4ec4e644..26cddb12fa 100644 --- a/gnu/packages/compression.scm +++ b/gnu/packages/compression.scm @@ -32,6 +32,7 @@ ;;; Copyright © 2020 Léo Le Bouter <lle-bout@zaclys.net> ;;; Copyright © 2021 Antoine Côté <antoine.cote@posteo.net> ;;; Copyright © 2021 Vincent Legoll <vincent.legoll@gmail.com> +;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -2346,6 +2347,49 @@ reading from and writing to ZIP archives. ") ;; distributed under zlib terms. (license (list license:lgpl2.1+ license:zlib)))) +(define-public zchunk + (package + (name "zchunk") + (version "1.1.16") + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/zchunk/zchunk") + (commit version))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "0nlzwnv6wh2yjyyv27f81jnvmk7psgpbnw7dsdp7frfkya569hgv")))) + (build-system meson-build-system) + (native-inputs + `(("pkg-config" ,pkg-config))) + (inputs + `(("curl" ,curl))) + (propagated-inputs + `(("zstd" ,zstd "lib"))) ;in Requires.private of zck.pc + (home-page "https://github.com/zchunk/zchunk") + (synopsis "Compressed file format for efficient deltas") + (description "The zchunk compressed file format allows splitting a file +into independent chunks. This makes it possible to retrieve only changed +chunks when downloading a new version of the file, and also makes zchunk files +efficient over rsync. Along with the library, this package provides the +following utilities: +@table @command +@item unzck +To decompress a zchunk file. +@item zck +To compress a new zchunk file, or re-compress an existing one. +@item zck_delta_size +To calculate the difference between two zchunk files. +@item zck_gen_zdict +To create a dictionary for a zchunk file. +@item zck_read_header +To read a zchunk header. +@item zckdl +To download a zchunk file. +@end table") + (license license:bsd-2))) + (define-public zutils (package (name "zutils") |