relnotes/next
author Joerg Sonnenberger <joerg@bec.de>
Sun, 08 Nov 2020 20:17:09 +0100
changeset 46776 471cd86c8eb4
parent 46628 0a23ace80e54
child 46779 49fd21f32695
permissions -rw-r--r--
bundle: optional multithreaded compression, ATM zstd-only Compression type can be a huge chunk of "hg bundle", especially when using the higher compression levels. With level=22 and threads=7, the NetBSD test repository took 28:39 wall time and 157:47 user time. Before, level=22 would take 129:20 wall time and 129:07 user time. Differential Revision: https://phab.mercurial-scm.org/D9283
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== New Features ==
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 * `hg purge` is now a core command using `--confirm` by default.
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 * The `rev-branch-cache` is now updated incrementally whenever changesets
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   are added.
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 * The new options `experimental.bundlecompthreads` and
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   `experimental.bundlecompthreads.<engine>` can be used to instruct
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   the compression engines for bundle operations to use multiple threads
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   for compression. The default is single threaded operation. Currently
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   only supported for zstd.
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== New Experimental Features ==
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 * There's a new `diff.merge` config option to show the changes
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    relative to an automerge for merge changesets. This makes it
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    easier to detect and review manual changes performed in merge
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    changesets. It is supported by `hg diff --change`, `hg log -p`
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    `hg incoming -p`, and `hg outgoing -p` so far.
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== Bug Fixes ==
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== Backwards Compatibility Changes ==
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== Internal API Changes ==
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 * `changelog.branchinfo` is deprecated and will be removed after 5.8.
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   It is superseded by `changelogrevision.branchinfo`.
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 * Callbacks for revlog.addgroup and the changelog._nodeduplicatecallback hook
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   now get a revision number as argument instead of a node.
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 * revlog.addrevision returns the revision number instead of the node.