Pavel Emelyanov 339f08b24a scripts: Enhance refresh_submodules.sh with nested summary ...

Currently when refreshing submodule, the script puts a plain list of
non-merge commits into commit message. The resulting summary contains
everything, but is hard to understand. E.g. if updating seastar today
the summary would start with

    * seastar 26badcb1...86c4893b (55):
      > util: make SEASTAR_ASSERT() failure generate SIGABRT
      > core: fix high CPU use at idle on high core count machines
      > http::reply: Add 308 (permanent redirect) and make pretty-print handle unknown values
      > reactor: Relax friendship with file_data_source_impl
      > fstream: Use direct io_stats reference
      > thread_pool: Relax coupling with reactor
      > reactor: Mark some IO classes management methods private
      > http: Deprecate json_exception
      > fair_queue: Move io_throttler to io_queue.hh
      > fair_queue: Move metrics from to io_queue::stream
      > fair_queue: Remove io_throttler from tests
      > fair_queue_test: Remove io-throttler from fair-queue
      > fair_queue: Remove capacity getters
      > fair_queue: Move grab_result into io_queue::stream too
      > fair_queue: Move throtting code to io_queue.cc
      > fair_queue: Move throttling code to io_queue::stream class
      > fair_queue: Open-code dispatch_requests() into users
      > fair_queue: Split dispatch_requests() into top() and pop_front()
      > fair_queue: Swap class push back and dispatch
      > fair_queue: Configure forgiving factor externally
      ...

That's not very informative, because the update includes several large
"merges" that have their summary which is missing here. This update
changes the way summary is generated to include merges and their
summaries and all merged commits are listed as sub-lines, like this

    * seastar 26badcb1...86c4893b (26):
      > util: make SEASTAR_ASSERT() failure generate SIGABRT
      > core: fix high CPU use at idle on high core count machines
      > Merge 'Move output IO throttler to IO queue level' from Pavel Emelyanov
        fair_queue: Move io_throttler to io_queue.hh
        fair_queue: Move metrics from to io_queue::stream
        fair_queue: Remove io_throttler from tests
        fair_queue_test: Remove io-throttler from fair-queue
        fair_queue: Remove capacity getters
        fair_queue: Move grab_result into io_queue::stream too
        fair_queue: Move throtting code to io_queue.cc
        fair_queue: Move throttling code to io_queue::stream class
        fair_queue: Open-code dispatch_requests() into users
        fair_queue: Split dispatch_requests() into top() and pop_front()
        fair_queue: Swap class push back and dispatch
        fair_queue: Configure forgiving factor externally
        fair_queue: Move replenisher kick to dispatch caller
        io_queue: Introduce io_queue::stream
        fair_queue: Merge two grab_capacity overloads
        fair_queue: Detatch outcoming capacity grabbing from main dispatch loop
        fair_queue: Move available tokens update into if branch
        io_queue: Rename make_fair_group_config into configure_throttler
        io_queue: Rename get_fair_group into get_throttler
        fair_queue: Rename fair_group -> io_throttler
      > http::reply: Add 308 (permanent redirect) and make pretty-print handle unknown values
      > Merge 'Relax reactor coupling with file_data_source_impl' from Pavel Emelyanov
        reactor: Relax friendship with file_data_source_impl
        fstream: Use direct io_stats reference
      > thread_pool: Relax coupling with reactor
      > reactor: Mark some IO classes management methods private
      ...

Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>

Closes scylladb/scylladb#24834

2025-07-21 14:48:30 +03:00

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