;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2021 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2021 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2022 Sharlatan Hellseher <sharlatanus@gmail.com>
;;; Copyright © 2024 Troy Figiel <troy@troyfigiel.com>
;;; Copyright © 2025 Patrick Norton <patrick.147.norton@gmail.com>
;;;
;;; 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 golang-compression)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix build-system go)
  #:use-module (guix gexp)
  #:use-module (guix git-download)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (gnu packages)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages golang-build)
  #:use-module (gnu packages golang-check)
  #:use-module (gnu packages golang-xyz)
  #:use-module (gnu packages pkg-config))

;;; Commentary:
;;;
;;; Please: Try to add new module packages in alphabetic order.
;;;
;;; Code:

(define-public go-github-com-andybalholm-brotli
  (package
    (name "go-github-com-andybalholm-brotli")
    (version "1.1.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/andybalholm/brotli")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1zdvcwfzxnkljyh4p7izy0bfxrwidwwmp1p5h1fydyrgbs4xacly"))))
    (build-system go-build-system)
    (arguments
     `(#:import-path "github.com/andybalholm/brotli"))
    (home-page "https://github.com/andybalholm/brotli")
    (synopsis "Pure Go Brotli encoder and decoder")
    (description
     "This package is a brotli compressor and decompressor implemented in Go.
It was translated from the reference implementation
(@url{https://github.com/google/brotli,https://github.com/google/brotli}) with
the @code{c2go} tool at
@url{https://github.com/andybalholm/c2go,https://github.com/andybalholm/c2go}.")
    (license license:expat)))

(define-public go-github-com-buengese-sgzip
  (package
    (name "go-github-com-buengese-sgzip")
    (version "0.1.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/buengese/sgzip")
              (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "01gh3d9nnb5aljjyk3svhdbihhz9x448qh6xkl2fps8w1h2knw58"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/buengese/sgzip"))
    (propagated-inputs
     (list go-github-com-klauspost-compress))
    (home-page "https://github.com/buengese/sgzip")
    (synopsis "Gzip implementation that allows seeking in the compressed file")
    (description
     "This package implements a seekable version of gzip-format compressed files,
compliant with @url{https://rfc-editor.org/rfc/rfc1952.html, RFC 1952}.  This
implementation allows seeking in the compressed file.  In normal gzip files
that can only be achieved by decompressing from the start and discarding all
data until the selected offset.  This gzip implementation works around this by
creating a special metadata file that maps uncompressed blocks to compressed
blocks allowing it to only read the compressed blocks required.")
    (license (list license:bsd-3
                   license:expat))))

(define-public go-github-com-containerd-stargz-snapshotter-estargz
  (package
    (name "go-github-com-containerd-stargz-snapshotter-estargz")
    (version "0.18.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/containerd/stargz-snapshotter")
              (commit (go-version->git-ref version
                                           #:subdir "estargz"))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0058acl307d8gkkp0iyd9w290kwixi9362ji48azl5cp7mx4l27f"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/containerd/stargz-snapshotter/estargz"
      #:unpack-path "github.com/containerd/stargz-snapshotter"))
    (propagated-inputs
     (list go-github-com-klauspost-compress
           go-github-com-opencontainers-go-digest
           go-github-com-vbatts-tar-split
           go-golang-org-x-sync))
    (home-page "https://github.com/containerd/stargz-snapshotter")
    (synopsis "Reader/writer library for eStargz container image format")
    (description
     "This package implements reader/writer library
@url{https://github.com/containerd/stargz-snapshotter/blob/v0.18.0/docs/estargz.md,
eStargz} - a lazily-pullable image format.")
    (license license:asl2.0)))

(define-public go-github-com-cpuguy83-tar2go
  (package
    (name "go-github-com-cpuguy83-tar2go")
    (version "0.3.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/cpuguy83/tar2go")
              (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0vag88n77kfmb4msygkyyywcjyxlmjbsx4sqnhmi92jcb8bh93bb"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/cpuguy83/tar2go"))
    (home-page "https://github.com/cpuguy83/tar2go")
    (synopsis "Tar files interfaces for Golang")
    (description
     "This package defines basic interfaces to handle tar files.  It is similar
to @url{https://pkg.go.dev/io/fs#FS, fs.FS}, but for tar files.")
    (license license:expat)))

(define-public go-github-com-datadog-zstd
  (package
    (name "go-github-com-datadog-zstd")
    (version "1.5.6")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/DataDog/zstd")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0hri68jd5yh9kxy4bj2b4rfi7jz74zl20d4hk7rwcwykpgk90qid"))))
    (build-system go-build-system)
    (arguments
     (list
      ;; These flags need to be applied in the final application as well to
      ;; build with system's libzstd,
      #:build-flags #~(list "-tags" "external_libzstd")
      #:test-flags #~(list "-tags" "external_libzstd")
      #:import-path "github.com/DataDog/zstd"))
    (native-inputs
     (list pkg-config))
    (inputs
     (list (list zstd "lib")))
    (home-page "https://github.com/DataDog/zstd")
    (synopsis "Zstd Golang wrapper")
    (description
     "This package provides a Go wrapper to
@url{https://github.com/facebook/zstd, zstd} C library.")
    (license license:bsd-3)))

(define-public go-github-com-dsnet-compress
  (package
    (name "go-github-com-dsnet-compress")
    (version "0.0.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/dsnet/compress")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1wwjaymzb1xxq3ybch3nwn72xhi2s40cvz0cl986yad3w1xwzj91"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/dsnet/compress"
      #:test-subdirs
      #~(list "brotli/..." "bzip2/..." "flate" "internal" "internal/prefix"
              "internal/testutil" "xflate/...")
      #:phases
      #~(modify-phases %standard-phases
          ;; Testdata directories contains some compressed files requiring
          ;; for running tests but not required on run time.
          (add-after 'check 'remove-testdata
            (lambda* (#:key import-path #:allow-other-keys)
              (delete-file-recursively
               (string-append "src/" import-path "/bzip2/testdata"))
              (delete-file-recursively
               (string-append "src/" import-path "/brotli/testdata"))
              (delete-file-recursively
               (string-append "src/" import-path "/testdata")))))))
    (propagated-inputs
     (list go-github-com-dsnet-golib
           go-github-com-klauspost-compress
           go-github-com-ulikunitz-xz))
    (home-page "https://github.com/dsnet/compress")
    (synopsis "Collection of compression libraries for Golang")
    (description
     "Package compress is a collection of compression libraries implementing
Golang modules:
@table @code
@item brotli
Implements the Brotli format, described in RFC 7932.
@item bzip2
Implements the BZip2 compressed data format.
@item flate
Implements the DEFLATE format, described in RFC 1951.
@item xflate
Implements the XFLATE format, an random-access extension to DEFLATE.
@end table")
    (license license:bsd-3)))

(define-public go-github-com-golang-snappy
  (package
    (name "go-github-com-golang-snappy")
    (version "0.0.4")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/golang/snappy")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "004cw699yz3pdpawhjhpa0y94c4w479nw1rf39zj6h6027kpwv2j"))
       (patches (search-patches "go-github-com-golang-snappy-32bit-test.patch"))))
    (build-system go-build-system)
    (arguments
     `(#:import-path "github.com/golang/snappy"))
    (home-page "https://github.com/golang/snappy")
    (synopsis "Snappy compression format in the Go programming language")
    (description "This package provides a Go implementation of the Snappy
compression format.")
    (license license:bsd-3)))

(define-public go-github-com-hhrutter-lzw
  (package
    (name "go-github-com-hhrutter-lzw")
    (version "1.0.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/hhrutter/lzw")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1n13qhf8ih08jzm10wprdvjy56ylmy6fhakyqrddm6nszf397wch"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/hhrutter/lzw"))
    (home-page "https://github.com/hhrutter/lzw")
    (synopsis "Extended version of @code{compress/lzw}")
    (description
     "This package provides an enhanced version of the @code{compress/lzw}
library included in the stdlib, and supports GIF, TIFF and PDF.")
    (license license:bsd-3)))

(define-public go-github-com-klauspost-compress
  (package
    (name "go-github-com-klauspost-compress")
    (version "1.18.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/klauspost/compress")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1vpk98rkfc67pniqj7xvxm2b275xwzav8rnca06023py769rlkyy"))))
    (build-system go-build-system)
    (arguments
     (list
      #:test-flags #~(list "-short" "-tags=nounsafe")
      #:import-path "github.com/klauspost/compress"))
    (home-page "https://github.com/klauspost/compress")
    (synopsis "Go compression library")
    (description "@code{compress} provides various compression algorithms.")
    (license license:bsd-3)))

(define-public go-github-com-klauspost-pgzip
  (package
    (name "go-github-com-klauspost-pgzip")
    (version "1.2.6")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/klauspost/pgzip")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1j29wr6nd9ncdbkjphyziv0h8p5s2mj222cgcfqxmzjnfn7623d8"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/klauspost/pgzip"))
    (propagated-inputs (list go-github-com-klauspost-compress))
    (home-page "https://github.com/klauspost/pgzip")
    (synopsis "Parallel (de)compression of gzip files in Go")
    (description
     "This package implements parallel gzip compression and decompression in
Golang and is fully compatible with @code{compress/gzip} from the standard
library.  This is beneficial for large amounts of data, say more than 1MB at a
time, as otherwise the internal gzip library will likely be faster.")
    (license (list license:bsd-3 license:expat))))

(define-public go-github-com-mholt-archiver-v3
  (package
    (name "go-github-com-mholt-archiver-v3")
    (version "3.5.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/mholt/archiver")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1py186hfy4p69wghqmbsyi1r3xvw1nyl55pz8f97a5qhmwxb3mwp"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/mholt/archiver/v3"))
    (propagated-inputs
     (list go-github-com-andybalholm-brotli
           go-github-com-dsnet-compress
           go-github-com-golang-snappy
           go-github-com-klauspost-compress
           go-github-com-klauspost-pgzip
           go-github-com-nwaples-rardecode
           go-github-com-pierrec-lz4-v4
           go-github-com-ulikunitz-xz
           go-github-com-xi2-xz))
    (home-page "https://github.com/mholt/archiver")
    (synopsis "Multi format archiver Golang library and CLI command")
    (description
     "Package archiver facilitates convenient, cross-platform, high-level
archival and compression operations for a variety of formats and compression
algorithms.

Features:
@itemize
@item stream-oriented APIs
@item automatically identify archive and compression formats
@item traverse directories, archive files, and any other file uniformly as
@code{io/fs} file systems
@item compress and decompress files
@item create and extract archive files
@item walk or traverse into archive files
@item extract only specific files from archives
@item insert (append) into .tar and .zip archives
@item read from password-protected 7-Zip files
@item numerous archive and compression formats supported
@item extensible (add more formats just by registering them)
@item cross-platform, static binary
@item pure Golang (no cgo)
@item multithreaded Gzip
@item adjust compression levels
@item automatically add compressed files to zip archives without
re-compressing
@item open password-protected rar archives
@end itemize

Supported compression formats:
@itemize
@item brotli (.br)
@item bzip2 (.bz2)
@item flate (.zip)
@item gzip (.gz)
@item lz4 (.lz4)
@item lzip (.lz)
@item snappy (.sz)
@item xz (.xz)
@item zlib (.zz)
@item zstandard (.zst)
@end itemize

Supported archive formats:
@itemize
@item .zip
@item .tar (including any compressed variants like .tar.gz)
@item .rar (read-only)
@item .7z (read-only)
@end itemize")
    (license license:expat)))

(define-public go-github-com-moby-go-archive
  (package
    (name "go-github-com-moby-go-archive")
    (version "0.1.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/moby/go-archive")
              (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1vyz6nxbs368wf4ndn0l6b190rb303frf1sbp5c5s09law14cs24"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/moby/go-archive"))
    (native-inputs
     (list go-github-com-adalogics-go-fuzz-headers
           go-gotest-tools-v3))
    (propagated-inputs
     (list go-github-com-containerd-log
           go-github-com-google-go-cmp
           go-github-com-klauspost-compress
           go-github-com-moby-patternmatcher
           go-github-com-moby-sys-mount
           go-github-com-moby-sys-mountinfo
           go-github-com-moby-sys-reexec
           go-github-com-moby-sys-sequential
           go-github-com-moby-sys-user
           go-github-com-moby-sys-userns
           go-golang-org-x-sys))
    (home-page "https://github.com/moby/go-archive")
    (synopsis "Utility for packing and unpacking container tar archives")
    (description
     "Package archive provides helper functions for dealing with archive
files.")
    (license license:asl2.0)))

(define-public go-github-com-nwaples-rardecode
  (package
    (name "go-github-com-nwaples-rardecode")
    (version "1.1.3")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/nwaples/rardecode")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0s00b8a9gppka3yxkxh7z5wy0ahygl8wbb0fbyx2r0rj879a1c2z"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/nwaples/rardecode"))
    (home-page "https://github.com/nwaples/rardecode")
    (synopsis "Reading RAR archives in Go")
    (description
     "This package provides a library for reading RAR archives with Golang.")
    (license license:bsd-2)))

(define-public go-github-com-nwaples-rardecode-v2
  (package
    (inherit  go-github-com-nwaples-rardecode)
    (name "go-github-com-nwaples-rardecode-v2")
    (version "2.0.0-beta.2")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/nwaples/rardecode")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1344mxfdgs5fps6mqxk6352arrfszi33kmq394rgmqpf4394f1y7"))))
    (arguments
     (list
      #:import-path "github.com/nwaples/rardecode/v2"))))

(define-public go-github-com-pierrec-lz4
  (package
    (name "go-github-com-pierrec-lz4")
    (version "2.6.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/pierrec/lz4")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0vfn01gd3hcpbj6gb4ig3pw6bv0g4j5780awr0fv4kf9id8gjvyy"))
       (snippet
        ;; XXX: fiano uses this package as library only, cmd requires very
        ;; additional not packed and dated inputs. Overwrite with
        ;; go-github-com-pierrec-lz4-v4 when fiano is updated.
        #~(begin (use-modules (guix build utils))
                 (delete-file-recursively "cmd")))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/pierrec/lz4"))
    (native-inputs
     (list go-github-com-frankban-quicktest))
    (home-page "https://github.com/pierrec/lz4")
    (synopsis "LZ4 compression in pure Go")
    (description
     "@code{lz4} provides a streaming interface to
@url{http://fastcompression.blogspot.fr/2013/04/lz4-streaming-format-final.html,
LZ4 data streams} as well as low level compress and uncompress functions for
LZ4 data blocks.  The implementation is based on the reference C
@url{https://github.com/lz4/lz4, one}.")
    (license license:bsd-3)))

(define-public go-github-com-pierrec-lz4-v4
  (package
    (inherit go-github-com-pierrec-lz4)
    (name "go-github-com-pierrec-lz4-v4")
    (version "4.1.21")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/pierrec/lz4")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0nc2aprbw4s6cx2mijaqdswkgnizx8fqb0mzha82wrznl3gz69ni"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/pierrec/lz4/v4"))
    ;; For CLI.
    (native-inputs
     (list go-code-cloudfoundry-org-bytefmt
           go-github-com-pierrec-cmdflag
           go-github-com-schollz-progressbar-v3))))

(define-public go-github-com-saracen-fastzip
  (package
    (name "go-github-com-saracen-fastzip")
    (version "0.1.11")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/saracen/fastzip")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1h63lhbwkga920n6lrh1ccfps2k4c3dn2pqap0i6mvjk6dba95s0"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/saracen/fastzip"))
    (native-inputs
     (list go-github-com-stretchr-testify))
    (propagated-inputs
     (list go-github-com-klauspost-compress
           go-github-com-saracen-zipextra
           go-golang-org-x-sync
           go-golang-org-x-sys))
    (home-page "https://github.com/saracen/fastzip")
    (synopsis "Zip archiver and extractor with a focus on speed")
    (description
     "Fastzip is an opinionated Zip archiver and extractor with a focus on
speed.
Features:
@itemize
@item archiving and extraction of files and directories can only occur within
a specified directory
@item permissions, ownership (uid, gid on linux/unix) and modification times
are preserved
@item buffers used for copying files are recycled to reduce allocations
@item files are archived and extracted concurrently
@item by default, @code{github.com/klauspost/compress/flate} library is used
for compression and decompression
@end itemize")
    (license license:expat)))

(define-public go-github-com-saracen-zipextra
  (package
    (name "go-github-com-saracen-zipextra")
    (version "0.0.0-20220303013732-0187cb0159ea")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/saracen/zipextra")
             (commit (go-version->git-ref version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0j24jdi5495nfq08xm6yjr9s32z13x6y961ry1ihhhgi6s8zdddj"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/saracen/zipextra"
      #:phases
      #~(modify-phases %standard-phases
          (add-after 'unpack 'remove-examples
            (lambda* (#:key tests? import-path #:allow-other-keys)
              (with-directory-excursion (string-append "src/" import-path)
                (delete-file "zipextra_example_test.go")))))))
    (home-page "https://github.com/saracen/zipextra")
    (synopsis "Encoding and decoding ZIP archive format's \"Extra Fields\"")
    (description
     "This package provides a library for encoding and decoding ZIP archive
format's \"Extra Fields\".  The intention is to eventually support and provide
a low-level API for the majority of PKWARE's and Info-ZIP's extra fields.")
    (license license:expat)))

(define-public go-github-com-ulikunitz-xz
  (package
    (name "go-github-com-ulikunitz-xz")
    (version "0.5.12")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/ulikunitz/xz")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "09n4zawzycab4mmk20sv0490xrx9ighv25g5hj578vsjgzz842n1"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/ulikunitz/xz"))
    (home-page "https://github.com/ulikunitz/xz")
    (synopsis "Read and write xz compressed streams in Go")
    (description
     "This package provides a support of reading and writing of xz
compressed streams.  It includes also a gxz command for compressing and
decompressing data.  The package is completely written in Go and doesn't have
any dependency on any C code.")
    (license license:bsd-3)))

(define-public go-github-com-vbatts-tar-split
  (package
    (name "go-github-com-vbatts-tar-split")
    (version "0.12.2")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/vbatts/tar-split")
              (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "08zf59nsfkfndjb2hgf4ccvpsi8aijd1daa5v19my2bfiabqf0za"))))
    (build-system go-build-system)
    (arguments
     (list
      #:skip-build? #t
      #:import-path "github.com/vbatts/tar-split"))
    (native-inputs
     (list go-github-com-fatih-color
           go-github-com-magefile-mage
           go-github-com-sirupsen-logrus
           go-github-com-stretchr-testify
           go-github-com-urfave-cli))
    (home-page "https://github.com/vbatts/tar-split")
    (synopsis "Checksum-reproducible tar archives")
    (description
     "This package implements a functionality for pristinely disassembling a tar
archive, and stashing needed raw bytes and offsets to reassemble a validating
original archive.")
    (license license:bsd-3)))

(define-public go-github-com-xi2-xz
  (package
    (name "go-github-com-xi2-xz")
    (version "0.0.0-20171230120015-48954b6210f8")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/xi2/xz")
             (commit (go-version->git-ref version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "178r0fa2dpzxf0sabs7dn0c8fa7vs87zlxk6spkn374ls9pir7nq"))))
    (build-system go-build-system)
    (arguments
     (list
      #:import-path "github.com/xi2/xz"))
    (home-page "https://github.com/xi2/xz")
    (synopsis "Native Golang XZ decompression package")
    (description
     "This package implements a native XZ decompression in Golang.")
    ;; This package is a modified version of XZ Embedded
    ;; <http://tukaani.org/xz/embedded.html>: 0BSD
    ;;
    ;; The contents of the testdata directory are modified versions of the
    ;; test files from XZ Utils <http://tukaani.org/xz/>: 0BSD
    (license license:public-domain)))

;;;
;;; Executables:
;;;

(define-public go-arc
  (package
    (inherit go-github-com-mholt-archiver-v3)
    (name "go-arc")
    (arguments
     (list
      #:install-source? #f
      #:import-path "github.com/mholt/archiver/cmd/arc"
      #:unpack-path "github.com/mholt/archiver"))
    (description
     (string-append (package-description go-github-com-mholt-archiver-v3)
                    "\nThis package provides an command line interface (CLI)
tool."))))

(define-public go-lz4c
  (package
    (inherit go-github-com-pierrec-lz4-v4)
    (name "go-lz4c")
    (arguments
     (list
      #:install-source? #f
      #:import-path "github.com/pierrec/lz4/cmd/lz4c"
      #:unpack-path "github.com/pierrec/lz4"))
    (description
     (string-append (package-description go-github-com-pierrec-lz4-v4)
                    "  This package provides an additional command line
interface tool to compress and decompress LZ4 files."))))

(define-public go-tar-split
  (package/inherit go-github-com-vbatts-tar-split
    (name "go-tar-split")
    (arguments
     (substitute-keyword-arguments
         (package-arguments go-github-com-vbatts-tar-split)
       ((#:tests? _ #t) #f)
       ((#:install-source? _ #t) #f)
       ((#:skip-build? _ #t) #f)
       ((#:import-path _) "github.com/vbatts/tar-split/cmd/tar-split")
       ((#:unpack-path _ "") "github.com/vbatts/tar-split")))
    (propagated-inputs '())
    (inputs '())))

;;;
;;; Avoid adding new packages to the end of this file. To reduce the chances
;;; of a merge conflict, place them above by existing packages with similar
;;; functionality or similar names.
;;;