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-rw-r--r--guix/scripts/import.scm17
1 files changed, 15 insertions, 2 deletions
diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm
index 3b6d9bf3de..c2f9cbdebf 100644
--- a/guix/scripts/import.scm
+++ b/guix/scripts/import.scm
@@ -25,12 +25,15 @@
(define-module (guix scripts import)
#:use-module (guix import utils)
+ #:use-module (guix diagnostics)
+ #:use-module (guix i18n)
#:use-module (guix ui)
#:use-module (guix scripts)
#:use-module (guix read-print)
#:use-module (guix utils)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
+ #:use-module (srfi srfi-37)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:export (%standard-import-options
@@ -41,7 +44,14 @@
;;; Command line options.
;;;
-(define %standard-import-options '())
+(define %standard-import-options
+ (list
+ ;; Hidden option for importer-specific file preprocessing.
+ (option '("file-to-insert") #f #t
+ (lambda (opt name arg result)
+ (if (file-exists? arg)
+ (alist-cons 'file-to-insert arg result)
+ (leave (G_ "file '~a' does not exist~%") arg))))))
;;;
@@ -152,7 +162,10 @@ PROC callback."
(newline port)
(newline port)
(close-port port)))))))))
- (import-as-definitions importer args find-and-insert)))
+ (import-as-definitions importer
+ (cons (string-append "--file-to-insert=" file)
+ args)
+ find-and-insert)))
((importer args ...)
(let ((print (lambda (expr)
(leave-on-EPIPE