Updated: _autorebase-001002-1

Updated: _autorebase-001002-1

[Achim Gratz]

_autorebase
===========

This package provides scripts to keep the Cygwin system properly
rebased.  By default this happens incrementally, which means after
each run of setup.exe it is determined which packages have been newly
installed and only the dynamic objects provided by those packages are
rebased, taking the rebase map of the existing installation into
account.

Since over time the rebase map can become fragmented, it is possible
to trigger a full rebase.  In this case all packages on the system are
treated as newly installed and the existing rebase map is cleared
before doing the rebase.

Some programs allow the user to create or install dynamic objects.
Since these are not part of a packge, they wouldn't be rebased.
Packages can make the potential locations of such dynamic objects
known by dropping a file (named after the package) in
/var/lib/rebase/dynpath.d/.  If any dynamic objects are installed by
users, these locations should be advertised in /var/lib/rebase/user.d/
(the file name should be identical to the user name).  The format of
these files is one absolute path per line.  Those directory paths
should not include locations of packaged dynamic objects.


The incremental rebase is controlled by the script /usr/bin/rebaselst.
Except for debuggin purposes this script should not be run directly by
users, as (like any other attempt at rebasing) it doesn't work
correctly on a live Cygwin system.

To perform a full rebase, execute "rebase-trigger fullrebase".  Then
shut down Cygwin and simply run setup.exe.  The rebase will be
performed even when the installation did not get modified in any way.
Any subsequent runs of setup.exe will again rebase in incremental
mode.



Regards,
Achim.
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