From 08ba7ff318720d926215de83daed0da628908ca3 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Thu, 17 Jan 2013 23:53:29 +0100 Subject: Update `HACKING'. * HACKING: Capitalize the title. (Running Guix before it is installed): New section. (Adding new packages): Update example. --- HACKING | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/HACKING b/HACKING index 79697a141c..c604af8404 100644 --- a/HACKING +++ b/HACKING @@ -1,6 +1,6 @@ -*- mode: org; coding: utf-8; -*- -#+TITLE: Hacking GNU Guix and its incredible distro +#+TITLE: Hacking GNU Guix and Its Incredible Distro Copyright © 2012, 2013 Ludovic Courtès @@ -9,6 +9,20 @@ Copyright © 2012, 2013 Ludovic Courtès notice and this notice are preserved. +* Running Guix before it is installed + +Command-line tools can be used even if you have not run "make install". +To do that, prefix each command with ‘./pre-inst-env’, as in: + + ./pre-inst-env guix-build --help + +Similarly, for a Guile session using the Guix modules: + + ./pre-inst-env guile -c '(use-modules (guix utils)) (pk (%current-system))' + +The ‘pre-inst-env’ script sets up all the environment variables +necessary to support this. + * Adding new packages Package recipes in Guix look like this: @@ -26,14 +40,14 @@ Package recipes in Guix look like this: (base32 "0wicr7amx01l03rm0pzgr1qvw3f9blaw17vjsy1301dh13ll58aa")))) (build-system gnu-build-system) - (inputs `(("gnum4" ,gnum4))) + (inputs `(("m4" ,m4))) (propagated-inputs `(("gmp" ,gmp))) (home-page "http://www.lysator.liu.se/~nisse/nettle/") (synopsis "GNU Nettle, a cryptographic library") (description "Nettle is a cryptographic library...") - (license "GPLv2+")) + (license gpl2+)) #+END_SRC Such a recipe can be written by hand, and then tested by running -- cgit v1.2.3