guix: import: Add composer importer.

* guix/import/composer.scm: New file.
* guix/scripts/import/composer.scm: New file.
* guix/tests/composer.scm: New file.
* Makefile.am: Add them.
* guix/scripts/import.scm: Add composer importer.
* doc/guix.texi (Invoking guix import): Mention it.

Change-Id: I44a89b8cc80ef5b4a3cd15e8fbba4a18c1cea0b1

Co-authored-by: Julien Lepiller <julien@lepiller.eu>
Co-authored-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index 0b733108d43..ee0f5ba4fc6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -283,6 +283,7 @@ MODULES =					\
   guix/search-paths.scm                         \
   guix/packages.scm                             \
   guix/import/cabal.scm                         \
+  guix/import/composer.scm                      \
   guix/import/cpan.scm                          \
   guix/import/cran.scm                          \
   guix/import/crate.scm                         \
@@ -341,6 +342,7 @@ MODULES =					\
   guix/scripts/home/import.scm                  \
   guix/scripts/lint.scm                         \
   guix/scripts/challenge.scm                    \
+  guix/scripts/import/composer.scm              \
   guix/scripts/import/crate.scm                 \
   guix/scripts/import/cpan.scm                  \
   guix/scripts/import/cran.scm                  \
@@ -509,6 +511,7 @@ SCM_TESTS =					\
   tests/challenge.scm                           \
   tests/channels.scm                            \
   tests/combinators.scm                 \
+  tests/composer.scm                            \
   tests/containers.scm                          \
   tests/cpan.scm                                \
   tests/cpio.scm                                \