Browse Source

import: Add hackage importer.

* guix/scripts/import.scm (importers): Add hackage.
* guix/scripts/import/hackage.scm: New file.
* po/guix/POTFILES.in: Add guix/scripts/import.scm.
* doc/guix.texi: Add section on 'hackage' importer.
gn-latest-20200428
Federico Beffa 6 years ago
parent
commit
863af4e121
4 changed files with 139 additions and 1 deletions
  1. +31
    -0
      doc/guix.texi
  2. +1
    -1
      guix/scripts/import.scm
  3. +106
    -0
      guix/scripts/import/hackage.scm
  4. +1
    -0
      po/guix/POTFILES.in

+ 31
- 0
doc/guix.texi View File

@ -3188,6 +3188,37 @@ bound to the @code{libreoffice} top-level attribute):
@example
guix import nix ~/path/to/nixpkgs libreoffice
@end example
@item hackage
@cindex hackage
Import meta-data from Haskell community's central package archive
@uref{https://hackage.haskell.org/, Hackage}. Information is taken from
Cabal files and includes all the relevant information, including package
dependencies.
Specific command-line options are:
@table @code
@item --no-test-dependencies
@itemx -t
Do not include dependencies only required to run the test suite.
@end table
The command below imports meta-data for the latest version of the
@code{HTTP} Haskell package without including test dependencies:
@example
guix import hackage -t HTTP
@end example
A specific package version may optionally be specified by following the
package name by a hyphen and a version number as in the following example:
@example
guix import hackage mtl-2.1.3.1
@end example
Currently only indentation structured Cabal files are supported.
@end table
The structure of the @command{guix import} code is modular. It would be


+ 1
- 1
guix/scripts/import.scm View File

@ -73,7 +73,7 @@ rather than \\n."
;;; Entry point.
;;;
(define importers '("gnu" "nix" "pypi" "cpan"))
(define importers '("gnu" "nix" "pypi" "cpan" "hackage"))
(define (resolve-importer name)
(let ((module (resolve-interface


+ 106
- 0
guix/scripts/import/hackage.scm View File

@ -0,0 +1,106 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;;
;;; 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 (guix scripts import hackage)
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (guix import hackage)
#:use-module (guix scripts import)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-37)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:export (guix-import-hackage))
;;;
;;; Command-line options.
;;;
(define %default-options
'((include-test-dependencies? . #t)))
(define (show-help)
(display (_ "Usage: guix import hackage PACKAGE-NAME
Import and convert the Hackage package for PACKAGE-NAME. If PACKAGE-NAME
includes a suffix constituted by a dash followed by a numerical version (as
used with Guix packages), then a definition for the specified version of the
package will be generated. If no version suffix is pecified, then the
generated package definition will correspond to the latest available
version.\n"))
(display (_ "
-h, --help display this help and exit"))
(display (_ "
-t, --no-test-dependencies don't include test only dependencies"))
(display (_ "
-V, --version display version information and exit"))
(newline)
(show-bug-report-information))
(define %options
;; Specification of the command-line options.
(cons* (option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix import hackage")))
(option '(#\t "no-test-dependencies") #f #f
(lambda (opt name arg result)
(alist-cons 'include-test-dependencies? #f
(alist-delete 'include-test-dependencies?
result))))
%standard-import-options))
;;;
;;; Entry point.
;;;
(define (guix-import-hackage . args)
(define (parse-options)
;; Return the alist of option values.
(args-fold* args %options
(lambda (opt name arg result)
(leave (_ "~A: unrecognized option~%") name))
(lambda (arg result)
(alist-cons 'argument arg result))
%default-options))
(let* ((opts (parse-options))
(args (filter-map (match-lambda
(('argument . value)
value)
(_ #f))
(reverse opts))))
(match args
((package-name)
(let ((sexp (hackage->guix-package
package-name
#:include-test-dependencies?
(assoc-ref opts 'include-test-dependencies?))))
(unless sexp
(leave (_ "failed to download cabal file for package '~a'~%")
package-name))
sexp))
(()
(leave (_ "too few arguments~%")))
((many ...)
(leave (_ "too many arguments~%"))))))

+ 1
- 0
po/guix/POTFILES.in View File

@ -8,6 +8,7 @@ guix/scripts/download.scm
guix/scripts/package.scm
guix/scripts/gc.scm
guix/scripts/hash.scm
guix/scripts/import.scm
guix/scripts/pull.scm
guix/scripts/substitute.scm
guix/scripts/authenticate.scm


Loading…
Cancel
Save