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-*- mode: org; coding: utf-8; -*-

#+TITLE: Hacking GNU Guix and Its Incredible Distro

Copyright © 2012, 2013, 2014, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
Copyright © 2015, 2017 Mathieu Lirzin <mthl@gnu.org>
Copyright © 2017 Leo Famulari <leo@famulari.name>
Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

* Contributing

See the manual for useful hacking information, either by running

  info -f doc/guix.info "Contributing"

or by checking the [[https://guix.gnu.org/manual/devel/en/html_node/Contributing.html][web copy of the manual]].
generated by cgit
gnu.org/43893>, keeping a copy of the updated package source is desirable when generating a release. * build-aux/update-guix-package.scm (version-controlled?): Remove variable. (call-with-temporary-git-worktree): Renamed from 'with-temporary-git-worktree'. Update doc. Do not change directory implicitly. Define as a procedure, not a syntax. (keep-source-in-store): New procedure. (main): Adjust to use with call-with-temporary-git-worktree. Add the sources to the store when GUIX_ALLOW_ME_TO_USE_PRIVATE_COMMIT is set. Exit gracefully when FIND-ORIGIN-REMOTE returns #f. (%savannah-guix-git-repo-push-url-regexp): Adjust match for a potential colon separator. * Makefile.am (GUIX_ALLOW_ME_TO_USE_PRIVATE_COMMIT): Adjust. * .dir-locals.el (scheme-mode): Remove entry for with-temporary-git-worktree. * doc/contributing.texi (Updating the Guix Package): Update doc. Co-authored-by: Ludovic Courtès <ludo@gnu.org> Maxim Cournoyer 2020-10-25maint: update-guix-package: Include the git.sv.gnu.org alias....* build-aux/update-guix-package.scm (%savannah-guix-git-repo-push-url): Rename to... (%savannah-guix-git-repo-push-url-regexp): ...this. Add the 'sv' alternative to 'savannah' and the (push) suffix in the URL regexp. (find-origin-remote): Adjust accordingly. Reported-by: Ludovic Courtès <ludo@gnu.org> Maxim Cournoyer 2020-10-19maint: update-guix-package: Prevent accidentally breaking guix pull....Fixes <https://issues.guix.gnu.org/43893>. This changes the 'update-guix-package' tool so that it: 1. Always uses a clean checkout to compute the hash of the updated 'guix' package. 2. Ensures the commit used in the updated 'guix' package definition has already been pushed upstream. * build-aux/update-guix-package.scm (%savannah-guix-git-repo-push-url): New variable. (with-input-pipe-to-string, with-temporary-git-worktree): New syntaxes. (find-origin-remote, git-add-worktree): New procedures. (commit-already-pushed?): New predicate. (main): Check the commit used has already been pushed upstream and compute the hash from a clean checkout. * doc/contributing.texi (Updating the Guix Package): Document it. * .dir-locals.el (scheme-mode): Fix indentation of with-temporary-git-worktree. Maxim Cournoyer