Update UDI to automatically detect fuse and for podman 5 support

Fixes are from devfile/developer-images/pull/198 and devfile/developer-images/pull/209

Signed-off-by: David Kwon <[email protected]>

Author: dkwon17

devspaces-udi/Dockerfile

@@ -221,11 +221,7 @@ RUN \
     mkdir -p /var/lib/shared/overlay-images /var/lib/shared/overlay-layers; \
     touch /var/lib/shared/overlay-images/images.lock; \
     touch /var/lib/shared/overlay-layers/layers.lock && \
-    ## Rootless podman install #5: but use VFS since we were not able to make Fuse work yet...
-    # TODO switch this to fuse in OCP 4.12?
-    mkdir -p "${HOME}"/.config/containers && \
-    (echo '[storage]';echo 'driver = "vfs"') > "${HOME}"/.config/containers/storage.conf && \
-    ## Rootless podman install #6: rename podman to allow the execution of 'podman run' using
+    ## Rootless podman install #5: rename podman to allow the execution of 'podman run' using
     ##                             kubedock but 'podman build' using podman.orig
     mv /usr/bin/podman /usr/bin/podman.orig && \
     # Docker alias

devspaces-udi/etc/.stow-local-ignore

@@ -5,3 +5,6 @@
 # but we don't want them to be symbolic links (or to cause stow conflicts). They will be copied to /home/user/ manually.
 \.bashrc
 \.bash_profile
+
+# Ignore files under .config directory
+\.config

devspaces-udi/etc/entrypoint.sh

@@ -118,6 +118,16 @@ else
     ln -f -s /usr/bin/podman.orig /home/tooling/.local/bin/podman
 fi
 
+# Configure container builds to use vfs or fuse-overlayfs
+if [ ! -d "${HOME}/.config/containers" ]; then
+  mkdir -p ${HOME}/.config/containers
+  if [ -c "/dev/fuse" ] && [ -f "/usr/bin/fuse-overlayfs" ]; then
+    (echo '[storage]';echo 'driver = "overlay"';echo '[storage.options.overlay]';echo 'mount_program = "/usr/bin/fuse-overlayfs"') > ${HOME}/.config/containers/storage.conf
+  else
+    (echo '[storage]';echo 'driver = "vfs"') > "${HOME}"/.config/containers/storage.conf
+  fi
+fi
+
 #############################################################################
 # Stow: If persistUserHome is enabled, then the contents of /home/user/
 # will be mounted by a PVC and overwritten. In this case, we use stow to