Executing the script inside the directories as './test.sh' is not
supposed to work but could happen accidentally. With an exit after
attempting to source the we can fix that.
Signed-off-by: David Sterba <dsterba@suse.com>
Image of ext4 with needs_recovery incompat bit set. This bit cannot be
set by regular tune2fs so was created on an empty 4M image by patched
tune2fs that set the bit unconditionally (the image still passed e2fsck,
with journal recovery).
Issue: #348
Signed-off-by: David Sterba <dsterba@suse.com>