diff options
| -rw-r--r-- | doc/guix.texi | 31 | ||||
| -rw-r--r-- | guix/scripts/import.scm | 2 | ||||
| -rw-r--r-- | guix/scripts/import/hackage.scm | 106 | ||||
| -rw-r--r-- | po/guix/POTFILES.in | 1 |
4 files changed, 139 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 42f616548d..70604b7603 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -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 diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm index 7e75c10b3e..06b4c17573 100644 --- a/guix/scripts/import.scm +++ b/guix/scripts/import.scm @@ -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 diff --git a/guix/scripts/import/hackage.scm b/guix/scripts/import/hackage.scm new file mode 100644 index 0000000000..f7c18cd3bf --- /dev/null +++ b/guix/scripts/import/hackage.scm @@ -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~%")))))) diff --git a/po/guix/POTFILES.in b/po/guix/POTFILES.in index 5ac9201295..30ce28b712 100644 --- a/po/guix/POTFILES.in +++ b/po/guix/POTFILES.in @@ -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 |