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112 lines
4.3 KiB
Scheme
112 lines
4.3 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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;;; This file returns a manifest that builds a directory containing Disarchive
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;;; metadata for all the tarballs packages refer to.
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(use-modules (srfi srfi-1) (ice-9 match)
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(guix packages) (guix gexp) (guix profiles)
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(guix base16)
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(gnu packages))
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(include "source-manifest.scm")
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(define (tarball-origin? origin)
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(match (origin-actual-file-name origin)
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(#f #f)
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((? string? file)
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;; As of version 0.2.1, Disarchive can only deal with raw tarballs and
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;; gzip-compressed tarballs.
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(and (origin-hash origin)
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(or (string-suffix? ".tar.gz" file)
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(string-suffix? ".tgz" file)
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(string-suffix? ".tar" file))))))
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(define (origin->disarchive origin)
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"Return a directory containing Disarchive metadata for ORIGIN, a tarball, or
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an empty directory if ORIGIN could not be disassembled."
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(define file-name
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(let ((hash (origin-hash origin)))
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(string-append (symbol->string (content-hash-algorithm hash))
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"/"
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(bytevector->base16-string
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(content-hash-value hash)))))
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(define disarchive
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(specification->package "disarchive"))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(srfi srfi-34))
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(define tarball
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#+(upstream-origin origin))
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(define file-name
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(string-append #$output "/" #$file-name))
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(define profile
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#+(profile (content (packages->manifest (list disarchive)))))
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(mkdir-p (dirname file-name))
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(setenv "PATH" (string-append profile "/bin"))
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(setenv "GUILE_LOAD_PATH"
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(string-append profile "/share/guile/site/"
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(effective-version)))
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(setenv "GUILE_LOAD_COMPILED_PATH"
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(string-append profile "/lib/guile/" (effective-version)
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"/site-ccache"))
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(guard (c ((invoke-error? c)
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;; Sometimes Disarchive fails with "could not find Gzip
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;; compressor". When that happens, produce an empty
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;; directory instead of failing.
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(report-invoke-error c)
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(delete-file file-name)))
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(with-output-to-file file-name
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(lambda ()
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;; Disarchive records the tarball name in its output. Thus,
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;; strip the hash from TARBALL.
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(let ((short-name (strip-store-file-name tarball)))
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(symlink tarball short-name)
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(invoke "disarchive" "disassemble" short-name))))))))
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(computed-file (match (origin-actual-file-name origin)
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((? string? str) (string-append str ".dis"))
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(#f "anonymous-tarball.dis"))
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build))
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(define (disarchive-collection origins)
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"Return a directory containing all the Disarchive metadata for ORIGINS."
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(directory-union "disarchive-collection"
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(filter-map (lambda (origin)
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(and (tarball-origin? origin)
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(origin->disarchive origin)))
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origins)
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#:copy? #t))
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;; The manifest containing Disarchive data.
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(let ((origins (all-origins)))
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(manifest
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(list (manifest-entry
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(name "disarchive-collection")
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(version (number->string (length origins)))
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(item (disarchive-collection origins))))))
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