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doc: Mention "make authenticate".

* doc/contributing.texi (Building from Git): Add instructions to run
'git verify-commit' and 'make authenticate'.
wip-system-bootstrap
Ludovic Courtès 2 years ago
parent
commit
b3011dbbd2
No known key found for this signature in database GPG Key ID: 90B11993D9AEBB5
  1. 42
      doc/contributing.texi

42
doc/contributing.texi

@ -38,6 +38,48 @@ version from the Git repository:
git clone https://git.savannah.gnu.org/git/guix.git
@end example
@cindex authentication, of a Guix checkout
How do you ensure that you obtained a genuine copy of the repository?
Guix itself provides a tool to @dfn{authenticate} your checkout, but you
must first make sure this tool is genuine in order to ``bootstrap'' the
trust chain. To do that, run:
@c XXX: Adjust instructions when there's a known tag to start from.
@example
git verify-commit `git log --format=%H build-aux/git-authenticate.scm`
@end example
The output must look something like:
@example
gpg: Signature made Fri 27 Dec 2019 01:27:41 PM CET
gpg: using RSA key 3CE464558A84FDC69DB40CFB090B11993D9AEBB5
@dots{}
gpg: Signature made Fri 27 Dec 2019 01:25:22 PM CET
gpg: using RSA key 3CE464558A84FDC69DB40CFB090B11993D9AEBB5
@dots{}
@end example
@noindent
... meaning that changes to this file are all signed with key
@code{3CE464558A84FDC69DB40CFB090B11993D9AEBB5} (you may need to fetch
this key from a key server, if you have not done it yet).
From there on, you can authenticate all the commits included in your
checkout by running:
@example
make authenticate
@end example
The first run takes a couple of minutes, but subsequent runs are faster.
@quotation Note
You are advised to run @command{make authenticate} after every
@command{git pull} invocation. This ensures you keep receiving valid
changes to the repository
@end quotation
The easiest way to set up a development environment for Guix is, of
course, by using Guix! The following command starts a new shell where
all the dependencies and appropriate environment variables are set up to

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