Making persistent-read-only work for home-rw overlays.

diff --git a/scripts/live b/scripts/live
index c28314f..a8ac678 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -1578,7 +1578,17 @@ setup_unionfs ()
 
                if [ -b "${homecow}" ]
                then
-                       mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
+                       if [ -z "${PERSISTENT_READONLY}" ]
+                       then
+                               mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
+                       else
+                               homerw="/cow/home"
+                               homero="/$(basename ${homecow})-backing"
+                               homemountpoint="${rootmnt}/home"
+                               mkdir -p ${homerw} ${homero} ${homemountpoint}
+                               mount -t $(get_fstype "${homecow}") -o ro "${homecow}" "${homero}"
+                               mount -t "${UNIONTYPE}" -o "noatime,${noxino_opt}dirs=${homerw}=rw:${homero}=${roopt}" "${UNIONTYPE}" "${homemountpoint}"
+                       fi
                        export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
                else
                        log_warning_msg "Unable to find the persistent home medium"