[Buildroot] [PATCH v3] core/pkg-generic: only save latest package list

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "John" == John Keeping <john@metanate.com> writes:

 > When rebuilding a package, simply appending the package's file list to
 > the global list means that the package list grows for every rebuild, as
 > does the time taken to check for files installed by multiple packages.
 > Furthermore, we get false positives where a file is reported as being
 > installed by multiple copies of the same package.

 > With this approach we may end up with orphaned files in the target
 > filesystem if a package that has been updated and rebuilt no longer
 > installs the same set of files, but we know that only a clean build will
 > produce reliable results.  In fact it may be helpful to identify these
 > orphaned files as evidence that the build is not clean.

 > Signed-off-by: John Keeping <john@metanate.com>
 > ---
 > Changes in v3:
 > - Use touch instead of redirect to avoid truncating the file

Committed to 2018.02.x, thanks.

-- 
Bye, Peter Korsgaard