gnu: Add JSON-XS.

[jackhill/guix/guix.git] / HACKING

diff --git a/HACKING b/HACKING
index 9e47b97..e8f6cc4 100644 (file)
--- a/HACKING
+++ b/HACKING
@@ -25,12 +25,6 @@ Run ‘./bootstrap’ to download the Nix daemon source code and to generate the
 build system infrastructure using autoconf.  It reports an error if an
 inappropriate version of the above packages is being used.
 
-The ‘bootstrap’ script, among other things, invokes ‘git submodule update’; if
-you didn’t run it, you may get the following error:
-
-  make: *** No rule to make target `nix/libstore/schema.sql', needed by
-  `nix/libstore/schema.sql.hh'
-
 If you get an error like this one:
 
   configure.ac:46: error: possibly undefined macro: PKG_CHECK_MODULES
@@ -89,6 +83,13 @@ in the form of patches as produced by ‘git format-patch’ sent to
 guix-devel@gnu.org.  Please write commit logs in the [[http://www.gnu.org/prep/standards/html_node/Change-Logs.html#Change-Logs][GNU ChangeLog
 format]]; you can check the commit history for examples.
 
+Before submitting a patch that adds or modifies a package definition, please
+run ‘guix lint PACKAGE’, where PACKAGE is the name of the new or modified
+package, and fix any errors it reports.  In addition, please make sure the
+package builds on your platform, using ‘guix build’.  You may also want to
+check that dependent package (if applicable) are not affected by the change;
+‘guix refresh --list-dependent PACKAGE’ will help you do that.
+
 When posting a patch to the mailing list, use "[PATCH] ..." as a subject.  You
 may use your email client or the ‘git send-mail’ command.