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(cherry picked from commit a0722c7ad846960be54978a31ebe73b76e119203)
(cherry picked from commit f90b5bdff7a5a454345980f2e69f3d43a187c33d)
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The code was identical -- just copied with s/resize/sparsify/.
Instead of duplicating identical code, cause the Makefile.am to use
the code from the ../resize/ directory.
Unfortunately because there are two Utils modules (which are
different), this means we had to rename those modules to Resize_utils
and Sparsify_utils respectively. So this is a rather larger change
than intended. However it's just code motion.
(cherry picked from commit 91b2238fc8e462c02f697f0c053043a55f43c13d)
(cherry picked from commit 07b409ff9a2b4594b01fad3b6c53adbec2d31ad7)
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Update all copyright dates to 2012.
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There are two benefits:
- the progress bars look better
- there is a reasonably accurate estimate of how long each operation
will take
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This is a fairly straightforward translation of Perl virt-resize into
OCaml. It is bug-for-bug and feature-for-feature identical to the
Perl version, except as noted below.
The motivation is to have a more solid, high-level, statically safe
compiled language to go forwards with fixing some of the harder bugs
in virt-resize. In particular contracts between different parts of
the program are now handled by statically typed structures checked at
compile time, instead of the very ad-hoc unchecked hash tables used by
the Perl version.
OCaml and the ocaml-pcre library (Perl-Compatible Regular Expressions
bindings for OCaml) are required.
Extra features in this version:
- 32 bit hosts are now supported.
- We try hard to handle the case where the target disk is not "clean"
(ie. all zeroes). It usually works for this case, whereas the
previous version would usually fail. However it is still
recommended that the system administrator creates a fresh blank disk
for the target before running the program.
- User messages are a bit more verbose and helpful. You can turn
these off with the -q (--quiet) option.
There is one lost feature:
- Ability to specify >= T (terabytes) sizes in command line size
expressions has been removed. This probably didn't work in the Perl
version.
Other differences:
- The first partition on the target is no longer aligned; instead we
place it at the same sector as on the source. I suspect that
aligning it was causing the bootloader failures.
- Because it's easier, we do more sanity checking on the source disk.
This might lead to more failures, but they'd be failures you'd want
to know about.
- The order in which operations are performed has been changed to make
it more logical. The user should not notice any functional
difference, but debug messages will be quite a bit different.
- virt-resize is a compiled binary, not a script.
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