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-rw-r--r--gnu/build/install.scm29
1 files changed, 17 insertions, 12 deletions
diff --git a/gnu/build/install.scm b/gnu/build/install.scm
index 5c2b35632d..11f107d63c 100644
--- a/gnu/build/install.scm
+++ b/gnu/build/install.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -192,13 +192,16 @@ rest of STORE."
 
 (define* (populate-single-profile-directory directory
                                             #:key profile closure
-                                            deduplicate?)
+                                            deduplicate?
+                                            register?)
   "Populate DIRECTORY with a store containing PROFILE, whose closure is given
 in the file called CLOSURE (as generated by #:references-graphs.)  DIRECTORY
 is initialized to contain a single profile under /root pointing to PROFILE.
-DEDUPLICATE? determines whether to deduplicate files in the store.
+When REGISTER? is true, initialize DIRECTORY/var/guix/db to reflect the
+contents of the store; DEDUPLICATE? determines whether to deduplicate files in
+the store.
 
-This is used to create the self-contained Guix tarball."
+This is used to create the self-contained tarballs with 'guix pack'."
   (define (scope file)
     (string-append directory "/" file))
 
@@ -213,14 +216,16 @@ This is used to create the self-contained Guix tarball."
 
   ;; Populate the store.
   (populate-store (list closure) directory)
-  (register-closure (canonicalize-path directory) closure
-                    #:deduplicate? deduplicate?)
-
-  ;; XXX: 'guix-register' registers profiles as GC roots but the symlink
-  ;; target uses $TMPDIR.  Fix that.
-  (delete-file (scope "/var/guix/gcroots/profiles"))
-  (symlink* "/var/guix/profiles"
-            "/var/guix/gcroots/profiles")
+
+  (when register?
+    (register-closure (canonicalize-path directory) closure
+                      #:deduplicate? deduplicate?)
+
+    ;; XXX: 'guix-register' registers profiles as GC roots but the symlink
+    ;; target uses $TMPDIR.  Fix that.
+    (delete-file (scope "/var/guix/gcroots/profiles"))
+    (symlink* "/var/guix/profiles"
+              "/var/guix/gcroots/profiles"))
 
   ;; Make root's profile, which makes it a GC root.
   (mkdir-p* %root-profile)