pack: Add RPM format.

* guix/rpm.scm: New file.
* guix/scripts/pack.scm (rpm-archive): New procedure.
(%formats): Register it.
(show-formats): Add it.
(guix-pack): Register supported extra-options for the rpm format.
* tests/pack.scm (rpm-for-tests): New variable.
("rpm archive can be installed/uninstalled"): New test.
* tests/rpm.scm: New test.
* doc/guix.texi (Invoking guix pack): Document it.

1 files changed, 2 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index 5ce6cc84f4c..8e3815b9c22 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -111,6 +111,7 @@ MODULES =					\
   guix/derivations.scm                          \
   guix/grafts.scm                               \
   guix/repl.scm                                 \
+  guix/rpm.scm                                  \
   guix/transformations.scm                      \
   guix/inferior.scm                             \
   guix/describe.scm                             \
@@ -535,6 +536,7 @@ SCM_TESTS =					\
   tests/pypi.scm                                \
   tests/read-print.scm                          \
   tests/records.scm                             \
+  tests/rpm.scm                                 \
   tests/scripts.scm                             \
   tests/search-paths.scm                        \
   tests/services.scm                            \