relnotes/5.4
author Matt Harbison <matt_harbison@yahoo.com>
Thu, 30 Apr 2020 00:33:00 -0400
branchstable
changeset 44923 1f114c797961
parent 44827 f445a4f7e8a7
permissions -rw-r--r--
rebase: avoid clobbering wdir() with --dry-run or --confirm (issue6291) See 56d3e0b499df for the source of adding originalwd to the list of things that cause wdir to be updated. That change didn't come with tests, and attempts to recreate the scenario described have thus far failed. Differential Revision: https://phab.mercurial-scm.org/D8489
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== New Features ==
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 * `hg purge`/`hg clean` can now delete ignored files instead of
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   untracked files, with the new -i flag.
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 * `hg pull` now has a `--confirm` flag to prompt before applying changes.
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   Config option `pull.confirm` is also added for that.
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 * `hg log` now defaults to using an '%' symbol for commits involved
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    in unresolved merge conflicts. That includes unresolved conflicts
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    caused by e.g. `hg update --merge` and `hg graft`. '@' still takes
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    precedence, so what used to be marked '@' still is.
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 * New `conflictlocal()` and `conflictother()` revsets return the
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   commits that are being merged, when there are conflicts. Also works
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   for conflicts caused by e.g. `hg graft`.
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 * `hg copy --forget` can be used to unmark a file as copied.
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 * The `format.revlog-compression` configuration entry now accept a list. The
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   first available option will be used. for example setting::
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     [format]
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     revlog-compression=zstd, zlib
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   Will use `zstd` compression for new repositories is available, and will
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   simply fall back to `zlib` if not.
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 * `hg debugmergestate` output is now templated, which may be useful
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   e.g. for IDEs that want to help the user resolve merge conflicts.
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== New Experimental Features ==
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 * `hg copy` now supports a `--at-rev` argument to mark files as
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   copied in the specified commit. It only works with `--after` for
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   now (i.e., it's only useful for marking files copied using non-hg
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   `cp` as copied).
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 * Use `hg copy --forget --at-rev REV` to unmark already committed
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   copies.
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== Bug Fixes  ==
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 * Fix server exception when concurrent pushes delete the same bookmark
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 * Prevent pushes of divergent bookmarks (foo@remote)
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 * The push error "remote repository changed while pushing - please
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   try again" now only happens when a concurrent push changed related
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   heads (instead of when a concurrent pushed any revision).
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== Backwards Compatibility Changes ==
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 * When `hg rebase` pauses for merge conflict resolution, the working
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   copy will no longer have the rebased node as a second parent. You
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   can use the new `conflictparents()` revset for finding the other
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   parent during a conflict.
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 * `hg rebase` now accepts repeated `--source` and `--base`
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   arguments. For example, `hg rebase --source 'A + B'` is equivalent
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   to `hg rebase --source A --source B`. This is a
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   backwards-incompatible change because it will break overriding an
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   alias `myrebase = rebase --source A` by `hg myrebase --source B`
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   (it will now rebase `(A + B)::` instead of `B::`).
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 * `hg recover` does not verify the validity of the whole repository
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   anymore. You can pass `--verify` or call `hg verify` if necessary.
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 * `hg debugmergestate` output format changed. Let us know if that is
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   causing you problems and we'll roll it back.
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 * Resolved merge conflicts are now cleared by `hg commit` even if the
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   working copy has no changes.
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== Internal API Changes ==
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 * The deprecated `ui.progress()` has now been deleted. Please use
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   `ui.makeprogress()` instead.
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 * `hg.merge()` now takes a `ctx` instead of the previous `repo` and
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   `node` arguments.
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 * `hg.merge()` has lost its `abort` argument. Please call
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   `hg.abortmerge()` directly instead.
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 * `hg.merge()` has lost its `mergeforce` argument. It should have
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   only ever been called with the same value as the `force` argument.
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 * The `*others` argument of `cmdutil.check_incompatible_arguments()`
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   changed from being varargs argument to being a single collection.