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@@ -31,13 +31,31 @@ Install the common workflow language tool cwltool with
## Install R/qtl
- git clone https://github.com/genenetwork/guix-bioinformatics.git
- export GUIX_PACKAGE_PATH=$PWD/guix-bioinformatics/
+R-qtl is part of main stream GNU Guix:
+
guix package -i r-qtl r
R
library(qtl)
+# Development tips
+
+## Override individual packages
+
+The cheerful way of overriding a version of a package:
+
+ (use-modules (guix) (gnu packages emacs))
+
+ (package
+ (inherit emacs)
+ (name "emacs-snapshot")
+ (source "/path/to/some-file-or-directory.tar.gz"))
+
+and then run:
+
+ guix package --install-from-file=that-file.scm
+
+
## LICENSE
-These package descriptions are distributed by the same license as GNU
-Guix, i.e. GPL3+
+These package descriptions (so-called Guix expressions) are
+distributed by the same license as GNU Guix, i.e. GPL3+