Re: What's cooking in git.git (Dec 2021, #01; Fri, 3)

> This is probably the first issue of the "What's cooking" report, in
> which all topics have some sort of description.
> 
> That's a small achievement, at least for me.
> 
> Even better, each and every topic is annotated with some sort of
> verdict (like "Will discard", "Expecting a reroll", "Will merge to
> 'next'?" etc.).  There is no topic in the "Undecided" category when
> this report is fed to "cook -w" script (found in the 'todo' branch).
> 
> A handful of topics are added to 'next', and we have about 40 topics
> cooking there.  For them, the future is automated---they spend about
> a week in 'next', and if we find issues in them, we incrementally
> improve them, or get merged to 'master'.
> 
> Then we have about a dozen topics that are marked for 'next' (please
> raise your hand if you have objection before a real damage is done),
> and 8 more that may be ready for 'next' (please raise your hand if
> you want to nudge them in either direction, for or against).
>[...]
> * pw/fix-some-issues-in-reset-head (2021-10-01) 12 commits
>   - rebase -m: don't fork git checkout
>   - rebase --apply: set ORIG_HEAD correctly
>   - rebase --apply: fix reflog
>   - reset_head(): take struct rebase_head_opts
>   - rebase: cleanup reset_head() calls
>   - reset_head(): make default_reflog_action optional
>   - reset_head(): factor out ref updates
>   - reset_head(): remove action parameter
>   - reset_head(): don't run checkout hook if there is an error
>   - reset_head(): fix checkout
>   - rebase: factor out checkout for up to date branch
>   - Merge branch 'pw/rebase-of-a-tag-fix' into pw/fix-some-issues-in-reset-head
> 
>   Fix "some issues" in a helper function reset_head().
> 
>   Will discard.
>   This needs a lot better explanation, including what the issues are,
>   which codepaths the helper is used in and to do what, and tests to
>   protect the fixes.
>   source: <pull.1049.git.1633082702.gitgitgadget@gmail.com>

> * pw/diff-color-moved-fix (2021-10-27) 15 commits
>   - diff --color-moved: intern strings
>   - diff: use designated initializers for emitted_diff_symbol
>   - diff --color-moved-ws=allow-indentation-change: improve hash lookups
>   - diff --color-moved: stop clearing potential moved blocks
>   - diff --color-moved: shrink potential moved blocks as we go
>   - diff --color-moved: unify moved block growth functions
>   - diff --color-moved: call comparison function directly
>   - diff --color-moved-ws=allow-indentation-change: simplify and optimize
>   - diff: simplify allow-indentation-change delta calculation
>   - diff --color-moved: avoid false short line matches and bad zerba coloring
>   - diff --color-moved=zebra: fix alternate coloring
>   - diff --color-moved: rewind when discarding pmb
>   - diff --color-moved: factor out function
>   - diff --color-moved: clear all flags on blocks that are too short
>   - diff --color-moved: add perf tests
> 
>   Long-overdue correctness and performance update to "diff
>   --color-moved" feature.
> 
>   Need to pick up the reroll before merging to 'next'.
>   cf. <pull.981.v4.git.1637056178.gitgitgadget@gmail.com>