relnotes/5.2
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 07 Mar 2024 04:15:23 +0100
changeset 51536 718f28ea3af4
parent 43588 a825ba8eb0a1
permissions -rw-r--r--
branchcache: add a "pure topological head" fast path In a narrow but actually quick common case, all topological heads are all on the same branch and all open. In this case, computing the branch map is very simple. We can quickly detect situation where this situation will not change. So we update the V3 format to be able to express this situation and upgrade the update code to detect we remains in that mode. The branch cache is populated with the actual value when the branch map is accessed, but the update_disk method can do the update without needing to populate it.
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== New Features ==
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 * The amend extension supports the `--currentuser` argument.
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 * The amend extension supports the `--close-branch` argument.
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 * The amend extension supports the `--secret` argument.
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 * The uncommit extension supports the `rewrite.update-timestamp` config option.
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== New Experimental Features ==
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== Bug Fixes  ==
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== Backwards Compatibility Changes ==
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 * A shell that supports `$(command)`` syntax for command substitution is now
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   required for running the test suite. The test runner normally uses
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   `sh`, so if that is a shell that doesn't support `$(command)` syntax,
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   you can override it by setting `$HGTEST_SHELL` or by passing it to
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   `run-tests.py --shell <shell>`.
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 * The (experimental) narrow extension's wire protocol changed. If
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   you're using it, you'll need to make sure to upgrade server and
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   client at the same time.
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== Internal API Changes ==
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