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f27fb840c2
* guix/import/crate/cargo-lock.scm: New file.
* Makefile.am (MODULES): Regisiter it.
* etc/teams.scm (rust)[#:scope]: Add it.
* CODEOWNERS: Add it.
* guix/import/crate.scm (cargo-lock->expressions): New procedure.
* tests/crate.scm (temp-file): New variable.
("crate-lockfile-import"): New test.
Co-authored-by: Murilo <murilo@disroot.org>
Co-authored-by: Luis Guilherme Coelho <lgcoelho@disroot.org>
Change-Id: I95421e9e2ba11a671b4bc4e1323c6d31a1b012c5
105 lines
3.1 KiB
Scheme
105 lines
3.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2024 Murilo <murilo@disroot.org>
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;;; Copyright © 2024 Luis Guilherme Coelho <lgcoelho@disroot.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix import crate cargo-lock)
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#:use-module (ice-9 peg)
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#:export (cargo-lock-string->scm
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crate-name
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crate-version
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crate-source
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crate-checksum
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crate-dependencies
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cargo-lock))
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;;;
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;;; PEG parser for ‘Cargo.lock’.
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;;;
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(define (cargo-lock-string->scm str)
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(peg:tree (search-for-pattern cargo-lock str)))
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;; Auxiliar peg patterns
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(define-peg-pattern numeric-char body
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(range #\0 #\9))
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(define-peg-pattern lowercase-char body
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(range #\a #\z))
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(define-peg-pattern uppercase-char body
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(range #\A #\Z))
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(define-peg-pattern alphabetic-char body
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(or lowercase-char uppercase-char))
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(define-peg-pattern alphanumeric-char body
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(or alphabetic-char numeric-char))
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;; name
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(define-peg-pattern crate-name all
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(+ (or "-" alphabetic-char
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"_" numeric-char)))
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;; version
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(define-peg-pattern non-negative-integer body
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(+ numeric-char))
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(define-peg-pattern crate-version all
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(and non-negative-integer "."
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non-negative-integer "."
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non-negative-integer
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(? (+ (or "-" lowercase-char
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"." uppercase-char
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"+" numeric-char "_")))))
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;; source
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(define-peg-pattern crate-source all
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(and (or "registry" "git")
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"+https://"
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(+ (or "/" "." "?" "=" "-" "#" "_"
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alphanumeric-char))))
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;; checksum
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(define-peg-pattern crate-checksum all
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(+ (or lowercase-char numeric-char)))
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;; dependency specification
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(define-peg-pattern dependency-specification all
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(and crate-name (? (and (ignore " ") crate-version))))
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;; dependencies
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(define-peg-pattern crate-dependencies all
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(and (ignore "[\n")
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(+ (and (ignore " \"")
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(capture dependency-specification)
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(ignore "\",\n")))
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(ignore "]")))
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;; crates
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(define-peg-pattern crate all
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(and (ignore "[[package]]\n")
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(ignore "name = \"") (capture crate-name) (ignore "\"\n")
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(ignore "version = \"") (capture crate-version) (ignore "\"\n")
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(? (and (ignore "source = \"") (capture crate-source) (ignore "\"\n")))
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(? (and (ignore "checksum = \"") (capture crate-checksum) (ignore "\"\n")))
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(? (ignore (and "dependencies = " crate-dependencies "\n")))))
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;; Cargo.lock
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(define-peg-pattern cargo-lock all
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(+ (and (ignore "\n") crate)))
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