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Diffstat (limited to 'doc/contributing.texi')
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diff --git a/doc/contributing.texi b/doc/contributing.texi index 3c13005413..e656676c0f 100644 --- a/doc/contributing.texi +++ b/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 |