Try to expand program if defined as a variable

Use fuse-unionfs as a fallback from bwrap overlays

Use fuse-unionfs as a fallback from bwrap overlays

Include unionfs header

Pass overlays to overlayfs directly

Integrate with unionfs

Use enum for overlay type

Use fuse-overlayfs as a fallback from bwrap overlays

Workaround for permission issues on bwrap overlays with dwarfs

Workaround for permission issues on bwrap overlays with dwarfs

Use bwrap overlays by default

Use bwrap overlays by default

Fix issues of fuse-overlayfs with a rollback version

Bump bwrap version

Correct permissions of 'work' after bwrap exit

Push config files to upper directory

Use upperdir to setup nvidia bindings

Write configs to upperdir to avoid mounting overlayfs

Use bwrap native --overlay options

Split mimetypes in for flatimage type and application type

Update steam example

Mount external filesystems

Overwrite existing layer.tmp to avoid commit error

Updated steam example