1 files changed, 37 insertions, 0 deletions
diff --git a/meta/files/overlayfs-etc-preinit.sh.in b/meta/files/overlayfs-etc-preinit.sh.in
new file mode 100644
index 0000000000..43c9b04eb9
--- /dev/null
+++ b/meta/files/overlayfs-etc-preinit.sh.in
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+echo "PREINIT: Start"
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+mount -o remount,rw /
+
+mkdir -p /proc
+mkdir -p /sys
+mkdir -p /run
+mkdir -p /var/run
+
+mount -t proc proc /proc
+mount -t sysfs sysfs /sys
+
+[ -z "$CONSOLE" ] && CONSOLE="/dev/console"
+
+mkdir -p {OVERLAYFS_ETC_MOUNT_POINT}
+if mount -n -t {OVERLAYFS_ETC_FSTYPE} \
+    -o {OVERLAYFS_ETC_MOUNT_OPTIONS} \
+    {OVERLAYFS_ETC_DEVICE} {OVERLAYFS_ETC_MOUNT_POINT}
+then
+    mkdir -p {OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/upper
+    mkdir -p {OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/work
+    mount -n -t overlay \
+        -o upperdir={OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/upper \
+        -o lowerdir=/etc \
+        -o workdir={OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/work \
+        -o index=off,xino=off,redirect_dir=off,metacopy=off \
+        {OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/upper /etc || \
+            echo "PREINIT: Mounting etc-overlay failed!"
+else
+    echo "PREINIT: Mounting </data> failed!"
+fi
+
+echo "PREINIT: done; starting </sbin/init>"
+exec {SBIN_INIT_NAME}