68 lines
2.7 KiB
Scheme
68 lines
2.7 KiB
Scheme
|
;;; GNU Guix --- Functional package management for GNU
|
||
|
|
;;; Copyright © 2016 David Craven <david@craven.ch>
|
||
|
|
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
|
||
|
|
;;; Copyright © 2019 Ivan Petkov <ivanppetkov@gmail.com>
|
||
|
|
;;;
|
||
|
|
;;; 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 cargo-utils)
|
||
|
|
#:use-module (guix build utils)
|
||
|
|
#:use-module (ice-9 popen)
|
||
|
|
#:use-module (ice-9 rdelim)
|
||
|
|
#:export (generate-checksums))
|
||
|
|
|
||
|
|
;; Commentary:
|
||
|
|
;;
|
||
|
|
;; Stand alone utilities for building Rust crates or the compiler itself,
|
||
|
|
;; without depending on the entire cargo build-system itself.
|
||
|
|
;;
|
||
|
|
;; Code:
|
||
|
|
|
||
|
|
(define (file-sha256 file-name)
|
||
|
|
"Calculate the hexdigest of the sha256 checksum of FILE-NAME and return it."
|
||
|
|
(let ((port (open-pipe* OPEN_READ
|
||
|
|
"sha256sum"
|
||
|
|
"--"
|
||
|
|
file-name)))
|
||
|
|
(let ((result (read-delimited " " port)))
|
||
|
|
(close-pipe port)
|
||
|
|
result)))
|
||
|
|
|
||
|
|
(define (generate-checksums dir-name src-name)
|
||
|
|
"Given DIR-NAME, a store directory, checksum all the files in it one
|
||
|
|
by one and put the result into the file \".cargo-checksum.json\" in
|
||
|
|
the same directory. Also includes the checksum of an extra file
|
||
|
|
SRC-NAME as if it was part of the directory DIR-NAME with name
|
||
|
|
\"package\"."
|
||
|
|
(let* ((file-names (find-files dir-name "."))
|
||
|
|
(dir-prefix-name (string-append dir-name "/"))
|
||
|
|
(dir-prefix-name-len (string-length dir-prefix-name))
|
||
|
|
(checksums-file-name (string-append dir-name "/.cargo-checksum.json")))
|
||
|
|
(call-with-output-file checksums-file-name
|
||
|
|
(lambda (port)
|
||
|
|
(display "{\"files\":{" port)
|
||
|
|
(let ((sep ""))
|
||
|
|
(for-each (lambda (file-name)
|
||
|
|
(let ((file-relative-name (string-drop file-name dir-prefix-name-len)))
|
||
|
|
(display sep port)
|
||
|
|
(set! sep ",")
|
||
|
|
(write file-relative-name port)
|
||
|
|
(display ":" port)
|
||
|
|
(write (file-sha256 file-name) port))) file-names))
|
||
|
|
(display "},\"package\":" port)
|
||
|
|
(write (file-sha256 src-name) port)
|
||
|
|
(display "}" port)))))
|