[Bug 871297] [NEW] uncloud-init updates.tar doesn't work

[Ed Swierk]

Public bug reported:

uncloud-init apparently tries to allow updating the filesystem from an
updates.tar tarball (itself contained within the xupdate tarball or
filesystem image).

But in the updateFrom function, it ignores updates.tar unless it's a
directory:

  if [ -d "${mp}/updates.tar" ]; then
    ...

This looks like a copy-and-paste bug from the code above, which is
checking for a directory called updates. The obvious fix is to change
the -d to -f.

** Affects: cloud-init (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/871297

Title:
  uncloud-init updates.tar doesn't work

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