GNU bug report logs - #28288
[PATCH] Test and fix the ISO Image Installer

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From: Christopher Baines <mail <at> cbaines.net>
To: 28288 <at> debbugs.gnu.org
Subject: [bug#28288] [PATCH 2/5] vm: Create /mnt in the generated ISO image in make-iso9660-image.
Date: Sun,  3 Sep 2017 11:50:38 +0100

This is used in the installation process, as the mountpoint for the target
filesystem.

* gnu/build/vm.scm (make-iso9660-image): Create /mnt within the generated ISO
  image.
---
 gnu/build/vm.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 606257d8c..f6228b40b 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -374,6 +374,7 @@ GRUB configuration and OS-DRV as the stuff in it."
         (target-store  (string-append "/tmp/root" (%store-directory))))
     (mkdir-p "/tmp/root/var/run")
     (mkdir-p "/tmp/root/run")
+    (mkdir-p "/tmp/root/mnt")
 
     (mkdir-p target-store)
     (mount (%store-directory) target-store "" MS_BIND)
@@ -393,6 +394,10 @@ GRUB configuration and OS-DRV as the stuff in it."
                             ,(string-append "gnu/store=" os-drv "/..")
                             "var=/tmp/root/var"
                             "run=/tmp/root/run"
+                            ;; /mnt is used as part of the installation
+                            ;; process, as the mount point for the target
+                            ;; filesystem, so create it.
+                            "mnt=/tmp/root/mnt"
                             "--"
                             ;; Store two copies of the headers.
                             ;; The resulting ISO-9660 image has a DOS MBR and
-- 
2.14.1

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