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-rw-r--r--debian/90overlay-root/module-setup.sh20
1 files changed, 20 insertions, 0 deletions
diff --git a/debian/90overlay-root/module-setup.sh b/debian/90overlay-root/module-setup.sh
new file mode 100644
index 0000000..ae009f4
--- /dev/null
+++ b/debian/90overlay-root/module-setup.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+check() {
+ # do not add modules if the kernel does not have overlayfs support
+ [ -d /lib/modules/$kernel/kernel/fs/overlayfs ] || return 1
+}
+
+depends() {
+ # We do not depend on any modules - just some root
+ return 0
+}
+
+# called by dracut
+installkernel() {
+ hostonly='' instmods overlay
+}
+
+install() {
+ inst_hook pre-pivot 10 "$moddir/overlay-mount.sh"
+}