test: add test for content divergence involving a date update In this case, one side update to an older date.

test: highlight data handling when solving divergence The current handling of date is lacking, we add test to highlight this.

evolve: add tests for the case when resolution parent is ambiguous

evolve: abort if deciding resolution parent is ambiguous While solving content-divergence, it could be hard to decide which cset should be treated as a resolution parent if there are multiple successors of divergent cset. i.e split case. But we are planning to make some update in handling this split case: 1) consider highest one if all splitted csets are in a single topological branch 2) still need to decide if 1) doesn't apply

evolve: make sure divergence resolution doesn't undo changes (issue6203) Before this patch, in content-divergence resolution logic if resolution parent is not the parent of any of the two divergent changesets then it could undo some changes introduced by previous revs (while resolving stack of content-divergent changesets) as demonstrated by the test added in previous patch. To solve this, what this patch doing is: if divergent cset has obsolete parent with a successor then first resolve the "orphan" instability of divergent cset by relocating, then perform the content-divergence resolution. After this change in logic, I found that it's kind of more correct as reflected by the changes in tests/test-evolve-content-divergent-corner-cases.t where it prevented creating conflicts while merging. Changes in tests/test-evolve-content-divergent-stack.t demonstrate the fixed behaviour. Next patches will be covering the `evolve --continue` case for the relocation of "divergent" cset.

evolve: add test to demonstrate issue6203 Current logic of content-divergence resolution contains a bug that if resolution parent is not the parent of any of the two divergent changesets, it could undo some changes. I think a good solution for this is to first relocate the divergent cset to it's obsolete parent's successor if applicable and then perform the content-divergence resolution. Next patch will fix the issue.

state: there's no _unpack in struct Caught by pytype.

amend: abort if both --patch and --extract are used

test-compat: merge mercurial-4.6 into mercurial-4.5

ci: add job to build and archive the documentation

tests: update now that merge.graft() doesn't set two equal parents This is a consequence of https://phab.mercurial-scm.org/D7549. CORE-TEST-OUTPUT-UPDATE: 32d11a23c9cf

evolve: fix content-divergence resolution when p1 is null (issue6201) Before this fix, in cases like in the added test, the revision number -1 of the parent was misinterpreted to mean the tipmost revision instead of the null revision, causing the content-divergence resolution to fail.

obslog: make {node} the full node and leave shortening to template It should be up to the user to shorten the nodeid as much or as little as they like.

branching: merge with stable