import: Enable recursive import for texlive packages.

* guix/import/texlive.scm (tlpdb->package): Add VERSION argument; include
explicit version field in output.
(texlive->guix-package): Set default value for VERSION argument; adjust call
of tlpdb->package.
(texlive-recursive-import): Accept REPO and VERSION keyword arguments.
* guix/import/utils.scm (package->definition): Add a clause to deal with
output from tlpdb->package.
* guix/scripts/import/texlive.scm (%options): Add "recursive" option.
(guix-import-texlive): Honor "recursive" option.
* doc/guix.texi (Using TeX and LaTeX): Mention "recursive" option.

1 files changed, 19 insertions, 6 deletions

diff --git a/guix/scripts/import/texlive.scm b/guix/scripts/import/texlive.scm
index c5dcc07ea1..203386e31c 100644
--- a/guix/scripts/import/texlive.scm
+++ b/guix/scripts/import/texlive.scm
@@ -22,11 +22,13 @@
   #:use-module (guix utils)
   #:use-module (guix scripts)
   #:use-module (guix import texlive)
+  #:use-module (guix import utils)
   #:use-module (guix scripts import)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-11)
   #:use-module (srfi srfi-37)
   #:use-module (srfi srfi-41)
+  #:use-module (srfi srfi-71)
   #:use-module (ice-9 match)
   #:use-module (ice-9 format)
   #:export (guix-import-texlive))
@@ -58,6 +60,9 @@ Import and convert the Texlive package for PACKAGE-NAME.\n"))
          (option '(#\V "version") #f #f
                  (lambda args
                    (show-version-and-exit "guix import texlive")))
+         (option '(#\r "recursive") #f #f
+                 (lambda (opt name arg result)
+                   (alist-cons 'recursive #t result)))
          %standard-import-options))
 
 
@@ -78,12 +83,20 @@ Import and convert the Texlive package for PACKAGE-NAME.\n"))
                             (_ #f))
                            (reverse opts))))
     (match args
-      ((name)
-       (let ((sexp (texlive->guix-package name)))
-         (unless sexp
-           (leave (G_ "failed to import package '~a'~%")
-                  name))
-         sexp))
+      ((spec)
+       (let ((name version (package-name->name+version spec)))
+         (if (assoc-ref opts 'recursive)
+             ;; Recursive import
+             (with-error-handling
+               (map package->definition
+                    (filter identity (texlive-recursive-import name
+                                                               #:version version))))
+             ;; Single import
+             (let ((sexp (texlive->guix-package name #:version version)))
+               (unless sexp
+                 (leave (G_ "failed to download description for package '~a'~%")
+                        name))
+               sexp))))
       (()
        (leave (G_ "too few arguments~%")))
       ((many ...)