Author: feld (ports committer)
Date: Mon Nov 17 15:12:46 2014
New Revision: 274630
URL: https://svnweb.freebsd.org/changeset/base/274630

Log:
  Add logic for detecting non-persistent filesystems being utilized by
  workdir which would break the upgrade process upon reboot.
  
  Currently we check for tmpfs and mdmfs.
  
  PR:           195006
  Differential Revision:        https://reviews.freebsd.org/D1163
  Approved by:  cperciva

Modified:
  head/usr.sbin/freebsd-update/freebsd-update.sh

Modified: head/usr.sbin/freebsd-update/freebsd-update.sh
==============================================================================
--- head/usr.sbin/freebsd-update/freebsd-update.sh      Mon Nov 17 14:56:02 
2014        (r274629)
+++ head/usr.sbin/freebsd-update/freebsd-update.sh      Mon Nov 17 15:12:46 
2014        (r274630)
@@ -580,6 +580,7 @@ fetchupgrade_check_params () {
        _KEYPRINT_z="Key must be given via -k option or configuration file."
        _KEYPRINT_bad="Invalid key fingerprint: "
        _WORKDIR_bad="Directory does not exist or is not writable: "
+       _WORKDIR_bad2="Directory is not on a persistent filesystem: "
 
        if [ -z "${SERVERNAME}" ]; then
                echo -n "`basename $0`: "
@@ -603,6 +604,14 @@ fetchupgrade_check_params () {
                echo ${WORKDIR}
                exit 1
        fi
+       for i in tmpfs mdmfs; do
+               if df -t ${i} ${WORKDIR} >/dev/null 2>1; then
+                       echo -n "`basename $0`: "
+                       echo -n "${_WORKDIR_bad2}"
+                       echo ${WORKDIR}
+                       exit 1
+               fi
+       done
        chmod 700 ${WORKDIR}
        cd ${WORKDIR} || exit 1
 
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