Handle custom mounts options a bit more beautifully.

diff --git a/scripts/live b/scripts/live
index 077ad52..c89ebb7 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -1707,6 +1707,16 @@ setup_unionfs ()
                # Now we do the actual mounting (and symlinking)
                while read source dest options  # < ${custom_mounts}
                do
+                       local opt_linkfiles=""
+                       for opt in $(echo ${options} | tr ',' ' ');
+                       do
+                                case "${opt}" in
+                                       "linkfiles")
+                                               opt_linkfiles="yes"
+                                               ;;
+                               esac
+                       done
+
                        if mountpoint -q "${dest}";
                        then
                                log_warning_msg "Skipping custom mount ${source} on ${dest}: destination is already a mount point"
@@ -1745,7 +1755,7 @@ setup_unionfs ()
                        # dealing with /etc or other system dir.
                        if [ ! -d "${source}" ]
                        then
-                               if [ -n "${PERSISTENT_READONLY}" ] || echo ${options} | grep -qe "\<linkfiles\>"
+                               if [ -n "${PERSISTENT_READONLY}" ] || [ -n "${opt_linkfiles}" ]
                                then
                                        continue
                                fi
@@ -1756,7 +1766,7 @@ setup_unionfs ()
 
                        if [ -z "${PERSISTENT_READONLY}" ]
                        then
-                               if echo ${options} | grep -qe "\<linkfiles\>";
+                               if [ -n "${opt_linkfiles}" ]
                                then
                                        links_source="${source}"
                                        links_dest="${dest}"
@@ -1764,7 +1774,7 @@ setup_unionfs ()
                                        mount --bind "${source}" "${dest}"
                                fi
                        else
-                               if echo ${options} | grep -qe "\<linkfiles\>";
+                               if [ -n "${opt_linkfiles}" ]
                                then
                                        links_dest="${dest}"
                                        dest="$(mktemp -d ${persistent_backing}/links_source-XXXXXX)"
@@ -1776,7 +1786,7 @@ setup_unionfs ()
                                mount -t "${UNIONTYPE}" -o "${unionmountopts}" "${UNIONTYPE}" "${dest}"
                        fi
 
-                       if echo $options | grep -qe "\<linkfiles\>";
+                       if [ -n "${opt_linkfiles}" ]
                        then
                                link_files "${links_source}" "${links_dest}" "${rootmnt}"
                        fi