Merge branch 'master' into core-updates

3 files changed, 35 insertions, 11 deletions

diff --git a/gnu/system/linux-initrd.scm b/gnu/system/linux-initrd.scm
index b592defa45..0f7f4721dd 100644
--- a/gnu/system/linux-initrd.scm
+++ b/gnu/system/linux-initrd.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
@@ -155,7 +155,8 @@ MODULES and taken from LINUX."
                       (mapped-devices '())
                       (helper-packages '())
                       qemu-networking?
-                      volatile-root?)
+                      volatile-root?
+                      (on-error 'debug))
   "Return a monadic derivation that builds a raw initrd, with kernel
 modules taken from LINUX.  FILE-SYSTEMS is a list of file-systems to be
 mounted by the initrd, possibly in addition to the root file system specified
@@ -167,8 +168,12 @@ e2fsck/static or other packages needed by the initrd to check root partition.
 
 When QEMU-NETWORKING? is true, set up networking with the standard QEMU
 parameters.
+
 When VOLATILE-ROOT? is true, the root file system is writable but any changes
-to it are lost."
+to it are lost.
+
+ON-ERROR is passed to 'call-with-error-handling'; it determines what happens
+upon error."
   (define device-mapping-commands
     ;; List of gexps to open the mapped devices.
     (map (lambda (md)
@@ -216,7 +221,8 @@ to it are lost."
                       #:linux-modules '#$linux-modules
                       #:linux-module-directory '#$kodir
                       #:qemu-guest-networking? #$qemu-networking?
-                      #:volatile-root? '#$volatile-root?)))
+                      #:volatile-root? '#$volatile-root?
+                      #:on-error '#$on-error)))
    #:name "raw-initrd"))
 
 (define* (file-system-packages file-systems #:key (volatile-root? #f))
@@ -243,7 +249,8 @@ FILE-SYSTEMS."
                       qemu-networking?
                       volatile-root?
                       (virtio? #t)
-                      (extra-modules '()))
+                      (extra-modules '())
+                      (on-error 'debug))
   "Return a monadic derivation that builds a generic initrd, with kernel
 modules taken from LINUX.  FILE-SYSTEMS is a list of file-systems to be
 mounted by the initrd, possibly in addition to the root file system specified
@@ -318,6 +325,7 @@ loaded at boot time in the order in which they appear."
               #:mapped-devices mapped-devices
               #:helper-packages helper-packages
               #:qemu-networking? qemu-networking?
-              #:volatile-root? volatile-root?))
+              #:volatile-root? volatile-root?
+              #:on-error on-error))
 
 ;;; linux-initrd.scm ends here
diff --git a/gnu/system/shadow.scm b/gnu/system/shadow.scm
index 938de8dd41..119f7e4d0b 100644
--- a/gnu/system/shadow.scm
+++ b/gnu/system/shadow.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -187,7 +187,11 @@ XTerm*utf8: always
 XTerm*metaSendsEscape: true\n"))
         (gdbinit   (plain-file "gdbinit" "\
 # Tell GDB where to look for separate debugging files.
-set debug-file-directory ~/.guix-profile/lib/debug\n")))
+set debug-file-directory ~/.guix-profile/lib/debug
+
+# Authorize extensions found in the store, such as the
+# pretty-printers of libstdc++.
+set auto-load safe-path /gnu/store/*/lib\n")))
     `((".bash_profile" ,profile)
       (".bashrc" ,bashrc)
       (".zlogin" ,zlogin)
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 53629daa90..496f2ac4e1 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
@@ -503,6 +503,14 @@ of the GNU system as described by OS."
                     (string-prefix? "/dev/" source))))
             (operating-system-file-systems os)))
 
+  (define root-uuid
+    ;; UUID of the root file system.
+    (operating-system-uuid os
+                           (if (string=? file-system-type "iso9660")
+                               'iso9660
+                               'dce)))
+
+
   (let ((os (operating-system (inherit os)
               ;; Use an initrd with the whole QEMU shebang.
               (initrd (lambda (file-systems . rest)
@@ -511,10 +519,13 @@ of the GNU system as described by OS."
                                #:virtio? #t
                                rest)))
 
-              ;; Force our own root file system.
+              ;; Force our own root file system.  Refer to it by UUID so that
+              ;; it works regardless of how the image is used ("qemu -hda",
+              ;; Xen, etc.).
               (file-systems (cons (file-system
                                     (mount-point "/")
-                                    (device "/dev/sda1")
+                                    (device root-uuid)
+                                    (title 'uuid)
                                     (type file-system-type))
                                   file-systems-to-keep)))))
     (mlet* %store-monad
@@ -526,6 +537,7 @@ of the GNU system as described by OS."
                                  (operating-system-bootloader os))
                    #:disk-image-size disk-image-size
                    #:file-system-type file-system-type
+                   #:file-system-uuid root-uuid
                    #:inputs `(("system" ,os-drv)
                               ("bootcfg" ,bootcfg))
                    #:copy-inputs? #t))))