Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> writes: > There's not much to write here. It's basically a copy from 12/12: > > This 'util' pointer can be used for many different purposes, > controlled in different ways. Some are not even contained in a command > code, but buried deep in common code with no clue who will use it and > how. For example, if revs.show_source is set, then it's used for > storing path name, but if you happen to call get_merge_parent() then > some 'util' may end up storing another thing. > > The move to using commit-slab gives us a much better picture of how > some piece of data is associated with a commit and what for. Since > nobody uses 'util' pointer anymore, we can retire it so that nobody will > abuse it again. commit-slab will be the way forward for associating > data to a commit. > > As a side benefit, this shrinks struct commit by 8 bytes (on 64-bit > architecture) which should help reduce memory usage for reachability > test a bit. This is also what commit-slab is invented for [1]. > > [1] 96c4f4a370 (commit: allow associating auxiliary info on-demand - > 2013-04-09) Good work. This would reduce the amount of technical debt in Git. I just wonder if most of those transformation could not be done with Coccinelle, instead of doing it by hand. > Nguyễn Thái Ngọc Duy (12): > blame: use commit-slab for blame suspects instead of commit->util > describe: use commit-slab for commit names instead of commit->util > shallow.c: use commit-slab for commit depth instead of commit->util > sequencer.c: use commit-slab to mark seen commits > sequencer.c: use commit-slab to associate todo items to commits > revision.c: use commit-slab for show_source > bisect.c: use commit-slab for commit weight instead of commit->util > name-rev: use commit-slab for rev-name instead of commit->util > show-branch: use commit-slab for commit-name instead of commit->util > log: use commit-slab in prepare_bases() instead of commit->util > merge: use commit-slab in merge remote desc instead of commit->util > commit.h: delete 'util' field in struct commit > > bisect.c | 12 +++++++++--- > blame.c | 42 +++++++++++++++++++++++++++++++----------- > blame.h | 2 ++ > builtin/blame.c | 2 +- > builtin/describe.c | 16 +++++++++++++--- > builtin/fast-export.c | 14 +++++++++----- > builtin/log.c | 17 +++++++++++++---- > builtin/merge.c | 25 +++++++++++++------------ > builtin/name-rev.c | 23 ++++++++++++++++++++--- > builtin/show-branch.c | 39 +++++++++++++++++++++++++++------------ > commit.c | 12 ++++++++++-- > commit.h | 8 ++++++-- > log-tree.c | 8 ++++++-- > merge-recursive.c | 8 +++++--- > revision.c | 17 +++++++++++++---- > revision.h | 5 ++++- > sequencer.c | 24 ++++++++++++++++++------ > shallow.c | 37 +++++++++++++++++++++++++------------ > 18 files changed, 225 insertions(+), 86 deletions(-)
