Merge remote-tracking branch 'origin/master' into wip-texlive

2 files changed, 20 insertions, 6 deletions

diff --git a/guix/scripts/deploy.scm b/guix/scripts/deploy.scm
index 52bba3f3bf..ebc99e52cc 100644
--- a/guix/scripts/deploy.scm
+++ b/guix/scripts/deploy.scm
@@ -19,6 +19,7 @@
 
 (define-module (guix scripts deploy)
   #:use-module (gnu machine)
+  #:use-module (guix discovery)
   #:use-module (guix scripts)
   #:use-module (guix scripts build)
   #:use-module (guix store)
@@ -74,7 +75,10 @@ Perform the deployment specified by FILE.\n"))
 
 (define (load-source-file file)
   "Load FILE as a user module."
-  (let ((module (make-user-module '((gnu) (gnu machine) (gnu machine ssh)))))
+  (let* ((guix-path (dirname (search-path %load-path "guix.scm")))
+         (environment-modules (scheme-modules* guix-path "gnu/machine"))
+         (module (make-user-module (append '((gnu) (gnu machine))
+                                           environment-modules))))
     (load* file module)))
 
 (define (guix-deploy . args)
diff --git a/guix/scripts/system/reconfigure.scm b/guix/scripts/system/reconfigure.scm
index dee0c24bd2..579b7fffbe 100644
--- a/guix/scripts/system/reconfigure.scm
+++ b/guix/scripts/system/reconfigure.scm
@@ -195,21 +195,31 @@ BOOTLOADER-PACKAGE."
                         (srfi srfi-34)
                         (srfi srfi-35))
            (let* ((gc-root (string-append #$target %gc-roots-directory "/bootcfg"))
-                  (temp-gc-root (string-append gc-root ".new")))
-             (switch-symlinks temp-gc-root gc-root)
-             (install-boot-config #$bootcfg #$bootcfg-file #$target)
+                  (new-gc-root (string-append gc-root ".new")))
+             ;; #$bootcfg has dependencies.
+             ;; The bootloader magically loads the configuration from
+             ;; (string-append #$target #$bootcfg-file) (for example
+             ;; "/boot/grub/grub.cfg").
+             ;; If we didn't do something special, the garbage collector
+             ;; would remove the dependencies of #$bootcfg.
+             ;; Register #$bootcfg as a GC root.
              ;; Preserve the previous activation's garbage collector root
              ;; until the bootloader installer has run, so that a failure in
              ;; the bootloader's installer script doesn't leave the user with
              ;; a broken installation.
+             (switch-symlinks new-gc-root #$bootcfg)
+             (install-boot-config #$bootcfg #$bootcfg-file #$target)
              (when #$installer
                (catch #t
                  (lambda ()
                    (#$installer #$bootloader-package #$device #$target))
                  (lambda args
-                   (delete-file temp-gc-root)
+                   (delete-file new-gc-root)
                    (apply throw args))))
-             (rename-file temp-gc-root gc-root)))))))
+             ;; We are sure that the installation of the bootloader
+             ;; succeeded, so we can replace the old GC root by the new
+             ;; GC root now.
+             (rename-file new-gc-root gc-root)))))))
 
 (define* (install-bootloader eval configuration bootcfg
                              #:key