Author: imp
Date: Sun Jan  3 19:18:48 2016
New Revision: 293115
URL: https://svnweb.freebsd.org/changeset/base/293115

Log:
  Use /bin/rm to remove /firstboot*. Otherwise rm -i alias is picked
  up and can cause issues on boot with the prompts. Fix the read-only
  root case with horrible kludge of mounting rw removing the files, then
  mounting ro. But since that's no more horrible than the kludge of
  using marker files in /. With this change, NanoBSD configs can safely
  use /firstboot + growfs to produce minimal images that grow to the
  size of the card.

Modified:
  head/etc/rc

Modified: head/etc/rc
==============================================================================
--- head/etc/rc Sun Jan  3 19:06:17 2016        (r293114)
+++ head/etc/rc Sun Jan  3 19:18:48 2016        (r293115)
@@ -131,11 +131,14 @@ done
 
 # Remove the firstboot sentinel, and reboot if it was requested.
 if [ -e ${firstboot_sentinel} ]; then
-       rm ${firstboot_sentinel}
+       [ ${root_rw_mount} = "yes" ] || mount -uw /
+       /bin/rm ${firstboot_sentinel}
        if [ -e ${firstboot_sentinel}-reboot ]; then
-               rm ${firstboot_sentinel}-reboot
+               /bin/rm ${firstboot_sentinel}-reboot
+               [ ${root_rw_mount} = "yes" ] || mount -ur /
                kill -INT 1
        fi
+       [ ${root_rw_mount} = "yes" ] || mount -ur /
 fi
 
 echo ''
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