author | Pierre-Yves David <pierre-yves.david@octobus.net> |
Fri, 16 Apr 2021 14:59:13 +0200 | |
changeset 46970 | 99aed233aa8d |
parent 45240 | 53a6febafc66 |
permissions | -rw-r--r-- |
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== New Features == |
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* clonebundles can be annotated with the expected memory requirements |
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using the `REQUIREDRAM` option. This allows clients to skip |
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bundles created with large zstd windows and fallback to larger, but |
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less demanding bundles. |
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* The `phabricator` extension now provides more functionality of the |
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arcanist CLI like changing the status of a differential. |
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* Phases processing is much faster, especially for repositories with |
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old non-public changesets. |
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== New Experimental Features == |
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* The core of some hg operations have been (and are being) |
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implemented in rust, for speed. `hg status` on a repository with |
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300k tracked files goes from 1.8s to 0.6s for instance. |
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This has currently been tested only on linux, and does not build on |
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windows. See rust/README.rst in the mercurial repository for |
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instructions to opt into this. |
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* An experimental config `rewrite.empty-successor` was introduced to control |
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what happens when rewrite operations result in empty changesets. |
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== Bug Fixes == |
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* For the case when connected to a TTY, stdout was fixed to be line-buffered |
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on Python 3 (where it was block-buffered before, causing the process to seem |
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hanging) and Windows on Python 2 (where it was unbuffered before). |
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* Subversion sources of the convert extension were fixed to work on Python 3. |
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* Subversion sources of the convert extension now interpret the encoding of |
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URLs like Subversion. Previously, there were situations where the convert |
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extension recognized a repository as present but Subversion did not, and |
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vice versa. |
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* The empty changeset check of in-memory rebases was fixed to match that of |
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normal rebases (and that of the commit command). |
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* The push command now checks the correct set of outgoing changesets for |
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obsolete and unstable changesets. Previously, it could happen that the check |
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prevented pushing changesets which were already on the server. |
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parents:
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== Backwards Compatibility Changes == |
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* Mercurial now requires at least Python 2.7.9 or a Python version that |
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backported modern SSL/TLS features (as defined in PEP 466), and that Python |
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was compiled against a OpenSSL version supporting TLS 1.1 or TLS 1.2 |
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(likely this requires the OpenSSL version to be at least 1.0.1). |
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* The `hg perfwrite` command from contrib/perf.py was made more flexible and |
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changed its default behavior. To get the previous behavior, run `hg perfwrite |
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--nlines=100000 --nitems=1 --item='Testing write performance' --batch-line`. |
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* The absorb extension now preserves changesets with no file changes that can |
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be created by the commit command (those which change the branch name |
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compared to the parent and those closing a branch head). |
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parents:
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== Internal API Changes == |
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* logcmdutil.diffordiffstat() now takes contexts instead of nodes. |
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* The `mergestate` class along with some related methods and constants have |
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moved from `mercurial.merge` to a new `mercurial.mergestate` module. |
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* The `phasecache` class now uses sparse dictionaries for the phase data. |
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New accessors are provided to detect if any non-public changeset exists |
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(`hasnonpublicphases`) and get the correponsponding root set |
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(`nonpublicphaseroots`). |
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* The `stdin`, `stdout` and `stderr` attributes of the `mercurial.pycompat` |
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module were removed. Instead, the attributes of same name from the |
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`mercurial.utils.procutil` module should be used, which provide more |
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consistent behavior across Python versions and platforms. |