From 4725a85f893767793d1e874642e130146f85dfcb Mon Sep 17 00:00:00 2001 From: Sergiu Ivanov Date: Sun, 5 Dec 2021 22:35:00 +0100 Subject: README.org: Add instructions how to add our substitution server. * README.org (Substitutes for nonguix): New chapter. (Avoiding kernel recompilation): rename heading to "Pinning package versions". Signed-off-by: Jonathan Brielmaier --- README.org | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/README.org b/README.org index 1f80646..f006945 100644 --- a/README.org +++ b/README.org @@ -193,9 +193,40 @@ required, it is recommended to stay with Linux LTS releases: ...) #+END_SRC -** Avoiding kernel recompilation +** Substitutes for nonguix -Since prebuilt substitutes are not currently available for Nonguix, you may find +A Nonguix substitute server is available at [[https://substitutes.nonguix.org]]. +On Guix System, you can add and authorize this URL in the following way: +#+BEGIN_SRC scheme +(operating-system + (services (modify-services %desktop-services + (guix-service-type config => (guix-configuration + (inherit config) + (substitute-urls + (append (list "https://substitutes.nonguix.org") + %default-substitute-urls)) + (authorized-keys + (append (list (local-file "./signing-key.pub")) + %default-authorized-guix-keys)))))) + ...) +#+END_SRC + +Notice that the URL of the server should be specified without a trailing +slash. The file ~signing-key.pub~ should be downloaded directly from +[[https://substitutes.nonguix.org/signing-key.pub]]. + +Alternatively, you can use replace ~(local-file "./signing-key.pub")~ by: +#+BEGIN_SRC scheme +(plain-file "non-guix.pub" + "") +#+END_SRC + +Check out the [[https://guix.gnu.org/manual/en/html_node/Substitutes.html][chapter on substitutes]] +in the Guix manual for more details. + +** Pinning package versions + +When using substitutes is not an option, you may find that ~guix system reconfigure~ recompiles the kernel frequently due to version bumps in the kernel package. An inferior can be used to pin the kernel version and avoid lengthy rebuilds. -- cgit v1.2.3