diff options
Diffstat (limited to 'modules.d/90overlayfs/mount-overlayfs.sh')
| -rwxr-xr-x | modules.d/90overlayfs/mount-overlayfs.sh | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/modules.d/90overlayfs/mount-overlayfs.sh b/modules.d/90overlayfs/mount-overlayfs.sh new file mode 100755 index 0000000..e1d23fb --- /dev/null +++ b/modules.d/90overlayfs/mount-overlayfs.sh @@ -0,0 +1,20 @@ +#!/bin/sh + +type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh + +getargbool 0 rd.live.overlay.overlayfs && overlayfs="yes" +getargbool 0 rd.live.overlay.readonly -d -y readonly_overlay && readonly_overlay="--readonly" || readonly_overlay="" + +ROOTFLAGS="$(getarg rootflags)" + +if [ -n "$overlayfs" ]; then + if [ -n "$readonly_overlay" ] && [ -h /run/overlayfs-r ]; then + ovlfs=lowerdir=/run/overlayfs-r:/run/rootfsbase + else + ovlfs=lowerdir=/run/rootfsbase + fi + + if ! strstr "$(cat /proc/mounts)" LiveOS_rootfs; then + mount -t overlay LiveOS_rootfs -o "$ROOTFLAGS,$ovlfs",upperdir=/run/overlayfs,workdir=/run/ovlwork "$NEWROOT" + fi +fi |