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Diffstat (limited to 'doc/contributing.texi')
| -rw-r--r-- | doc/contributing.texi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/contributing.texi b/doc/contributing.texi index 245ce9b1c4..f855daf2da 100644 --- a/doc/contributing.texi +++ b/doc/contributing.texi @@ -27,6 +27,7 @@ the installation instructions (@pxref{Requirements}). @item @url{http://gnu.org/software/autoconf/, GNU Autoconf}; @item @url{http://gnu.org/software/automake/, GNU Automake}; @item @url{http://gnu.org/software/gettext/, GNU Gettext}; +@item @url{http://gnu.org/software/texinfo/, GNU Texinfo}; @item @url{http://www.graphviz.org/, Graphviz}; @item @url{http://www.gnu.org/software/help2man/, GNU Help2man (optional)}. @end itemize @@ -86,6 +87,30 @@ Similarly, for a Guile session using the Guix modules: @example $ ./pre-inst-env guile -c '(use-modules (guix utils)) (pk (%current-system))' + +;;; ("x86_64-linux") +@end example + +@noindent +@cindex REPL +@cindex read-eval-print loop +@dots{} and for a REPL (@pxref{Using Guile Interactively,,, guile, Guile +Reference Manual}): + +@example +$ ./pre-inst-env guile +scheme@@(guile-user)> ,use(guix) +scheme@@(guile-user)> ,use(gnu) +scheme@@(guile-user)> (define snakes + (fold-packages + (lambda (package lst) + (if (string-prefix? "python" + (package-name package)) + (cons package lst) + lst)) + '())) +scheme@@(guile-user)> (length snakes) +$1 = 361 @end example The @command{pre-inst-env} script sets up all the environment variables |