148 lines
5.4 KiB
Scheme
148 lines
5.4 KiB
Scheme
;;; 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 packages)
|
||
#:use-module (guix scripts)
|
||
#: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 ghc-default-version
|
||
(string-append "ghc-" (package-version (@ (gnu packages haskell) ghc))))
|
||
|
||
(define %default-options
|
||
`((include-test-dependencies? . #t)
|
||
(read-from-stdin? . #f)
|
||
(cabal-environment . ,`(("impl" . ,ghc-default-version)))))
|
||
|
||
(define (show-help)
|
||
(display (G_ "Usage: guix import hackage PACKAGE-NAME
|
||
Import and convert the Hackage package for PACKAGE-NAME. If PACKAGE-NAME
|
||
includes a suffix constituted by a at-sign 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 (G_ "
|
||
-e ALIST, --cabal-environment=ALIST
|
||
specify environment for Cabal evaluation"))
|
||
(display (G_ "
|
||
-h, --help display this help and exit"))
|
||
(display (G_ "
|
||
-s, --stdin read from standard input"))
|
||
(display (G_ "
|
||
-t, --no-test-dependencies don't include test-only dependencies"))
|
||
(display (G_ "
|
||
-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))))
|
||
(option '(#\s "stdin") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'read-from-stdin? #t
|
||
(alist-delete 'read-from-stdin?
|
||
result))))
|
||
(option '(#\e "cabal-environment") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'cabal-environment (read/eval arg)
|
||
(alist-delete 'cabal-environment
|
||
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 (G_ "~A: unrecognized option~%") name))
|
||
(lambda (arg result)
|
||
(alist-cons 'argument arg result))
|
||
%default-options))
|
||
|
||
(define (run-importer package-name opts error-fn)
|
||
(let ((sexp (hackage->guix-package
|
||
package-name
|
||
#:include-test-dependencies?
|
||
(assoc-ref opts 'include-test-dependencies?)
|
||
#:port (if (assoc-ref opts 'read-from-stdin?)
|
||
(current-input-port)
|
||
#f)
|
||
#:cabal-environment
|
||
(assoc-ref opts 'cabal-environment))))
|
||
(unless sexp (error-fn))
|
||
sexp))
|
||
|
||
(let* ((opts (parse-options))
|
||
(args (filter-map (match-lambda
|
||
(('argument . value)
|
||
value)
|
||
(_ #f))
|
||
(reverse opts))))
|
||
(if (assoc-ref opts 'read-from-stdin?)
|
||
(match args
|
||
(()
|
||
(run-importer "stdin" opts
|
||
(lambda ()
|
||
(leave (G_ "failed to import cabal file \
|
||
from standard input~%")))))
|
||
((many ...)
|
||
(leave (G_ "too many arguments~%"))))
|
||
(match args
|
||
((package-name)
|
||
(run-importer package-name opts
|
||
(lambda ()
|
||
(leave (G_ "failed to download cabal file \
|
||
for package '~a'~%")
|
||
package-name))))
|
||
(()
|
||
(leave (G_ "too few arguments~%")))
|
||
((many ...)
|
||
(leave (G_ "too many arguments~%")))))))
|