6750877f46
* guix/git-download.scm (<git-reference>)[recursive?]: New field. (git-fetch): Add 'inputs' variable. Add it to the #:inputs argument of 'build-expression->derivation'. Augment builder with call to 'set-path-environment-variable', and pass #:recursive? to 'git-fetch'. * guix/build/git.scm (git-fetch): Add #:recursive? parameter. Pass --recursive when RECURSIVE? is true, and delete all the '.git' files.
60 lines
2.4 KiB
Scheme
60 lines
2.4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.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 build git)
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#:use-module (guix build utils)
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#:export (git-fetch))
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;;; Commentary:
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;;;
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;;; This is the build-side support code of (guix git-download). It allows a
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;;; Git repository to be cloned and checked out at a specific commit.
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;;;
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;;; Code:
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(define* (git-fetch url commit directory
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#:key (git-command "git") recursive?)
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"Fetch COMMIT from URL into DIRECTORY. COMMIT must be a valid Git commit
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identifier. When RECURSIVE? is true, all the sub-modules of URL are fetched,
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recursively. Return #t on success, #f otherwise."
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;; Disable TLS certificate verification. The hash of the checkout is known
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;; in advance anyway.
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(setenv "GIT_SSL_NO_VERIFY" "true")
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(let ((args `("clone" ,@(if recursive? '("--recursive") '())
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,url ,directory)))
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(and (zero? (apply system* git-command args))
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(with-directory-excursion directory
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(system* git-command "tag" "-l")
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(and (zero? (system* git-command "checkout" commit))
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(begin
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;; The contents of '.git' vary as a function of the current
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;; status of the Git repo. Since we want a fixed output, this
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;; directory needs to be taken out.
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(delete-file-recursively ".git")
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(when recursive?
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;; In sub-modules, '.git' is a flat file, not a directory,
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;; so we can use 'find-files' here.
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(for-each delete-file-recursively
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(find-files directory "^\\.git$")))
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#t))))))
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;;; git.scm ends here
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