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-rw-r--r--gnu/build/vm.scm19
1 files changed, 18 insertions, 1 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 5579886264..746808515f 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -25,7 +25,7 @@
#:use-module (guix build utils)
#:use-module (guix build store-copy)
#:use-module (guix build syscalls)
- #:use-module ((guix store database) #:select (reset-timestamps))
+ #:use-module (guix store database)
#:use-module (gnu build linux-boot)
#:use-module (gnu build install)
#:use-module (gnu system uuid)
@@ -191,6 +191,23 @@ the #:references-graphs parameter of 'derivation'."
(mkdir output)
(copy-recursively "xchg" output)))))
+(define* (register-closure prefix closure
+ #:key
+ (deduplicate? #t) (reset-timestamps? #t)
+ (schema (sql-schema)))
+ "Register CLOSURE in PREFIX, where PREFIX is the directory name of the
+target store and CLOSURE is the name of a file containing a reference graph as
+produced by #:references-graphs.. As a side effect, if RESET-TIMESTAMPS? is
+true, reset timestamps on store files and, if DEDUPLICATE? is true,
+deduplicates files common to CLOSURE and the rest of PREFIX."
+ (let ((items (call-with-input-file closure read-reference-graph)))
+ (register-items items
+ #:prefix prefix
+ #:deduplicate? deduplicate?
+ #:reset-timestamps? reset-timestamps?
+ #:registration-time %epoch
+ #:schema schema)))
+
;;;
;;; Partitions.