- Switch to two-pass reading of the config file to track both (a) the
option's value and (b) if the option has been explicitly called out in
the .config being processed.
- Split off per-version functions into separate files.
- Add a README with some guidelines on writing new upgrade scripts.
Signed-off-by: Alexey Neyman <stilor@att.net>
... coverage not complete, but pretty diverse and covers most
non-trivial conversions. PRs with better coverage for 1.23.o options
welcome.
Signed-off-by: Alexey Neyman <stilor@att.net>
Slightly rework config version detector to catch the case where neither
CONFIG_VERSION/CONFIG_VERSION_CURRENT is defined in the config file.
Add olddefconfig and use it after the upgrade.
Signed-off-by: Alexey Neyman <stilor@att.net>
