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Diffstat (limited to 'guix/build/gx.scm')
-rw-r--r-- | guix/build/gx.scm | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/guix/build/gx.scm b/guix/build/gx.scm new file mode 100644 index 0000000000..4ba0197b4f --- /dev/null +++ b/guix/build/gx.scm @@ -0,0 +1,60 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2018 Pierre Neidhardt <mail@ambrevar.xyz> +;;; +;;; 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 build gx) + #:use-module (guix build utils) + #:use-module (ice-9 popen) + #:export (gx-fetch)) + +;;; Commentary: +;;; +;;; This is the build-side support code of (guix gx-download). It allows a +;;; gx hash to be fetched. +;;; +;;; Code: + +(define* (gx-fetch hash directory + #:key (gx-command "gx")) + "Fetch IPFS HASH into DIRECTORY. HASH must be a valid IPFS hash. +Return #t on success, #f otherwise." + + (mkdir-p directory) + + (with-directory-excursion directory + ;; TODO: Silence verbose output. + + ;; Initialization is interactive, but we can shut it up by piping it to + ;; nothing. + (let ((port (open-pipe* OPEN_WRITE gx-command "init"))) + (display "\n" port) + (if (not (eqv? 0 (status:exit-val (close-pipe port)))) + (error "Cannot initialize gx package"))) + + ;; Fetch to the "vendor" directory. + (let ((port (open-pipe* OPEN_WRITE gx-command "import" "--local" hash))) + (display "N\n" port) + (if (not (eqv? 0 (status:exit-val (close-pipe port)))) + (error "Cannot import gx package"))) + + (delete-file "package.json") + (mkdir-p "gx/ipfs") + (rename-file (string-append "vendor/gx/ipfs/" hash) (string-append "gx/ipfs/" hash)) + (delete-file-recursively "vendor") + #t)) + +;;; gx.scm ends here |