Mercurial > hg
annotate relnotes/5.5 @ 45466:14b3dbfa4eeb
mergeresult: introduce dedicated tuple for no-op actions
This will help us in adding more no-op actions in next patch while keeping the
code cleaner.
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Mon, 14 Sep 2020 13:51:39 +0530 |
parents | 53a6febafc66 |
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1 == New Features == |
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2 |
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3 * clonebundles can be annotated with the expected memory requirements |
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4 using the `REQUIREDRAM` option. This allows clients to skip |
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5 bundles created with large zstd windows and fallback to larger, but |
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6 less demanding bundles. |
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7 |
45169 | 8 * The `phabricator` extension now provides more functionality of the |
9 arcanist CLI like changing the status of a differential. | |
10 | |
11 * Phases processing is much faster, especially for repositories with | |
12 old non-public changesets. | |
13 | |
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14 |
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15 == New Experimental Features == |
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16 |
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17 * The core of some hg operations have been (and are being) |
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18 implemented in rust, for speed. `hg status` on a repository with |
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19 300k tracked files goes from 1.8s to 0.6s for instance. |
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20 This has currently been tested only on linux, and does not build on |
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21 windows. See rust/README.rst in the mercurial repository for |
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22 instructions to opt into this. |
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23 |
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24 * An experimental config `rewrite.empty-successor` was introduced to control |
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25 what happens when rewrite operations result in empty changesets. |
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26 |
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27 |
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28 == Bug Fixes == |
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29 |
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30 * For the case when connected to a TTY, stdout was fixed to be line-buffered |
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31 on Python 3 (where it was block-buffered before, causing the process to seem |
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32 hanging) and Windows on Python 2 (where it was unbuffered before). |
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33 |
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34 * Subversion sources of the convert extension were fixed to work on Python 3. |
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35 |
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36 * Subversion sources of the convert extension now interpret the encoding of |
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37 URLs like Subversion. Previously, there were situations where the convert |
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38 extension recognized a repository as present but Subversion did not, and |
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39 vice versa. |
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40 |
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41 * The empty changeset check of in-memory rebases was fixed to match that of |
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42 normal rebases (and that of the commit command). |
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43 |
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44 * The push command now checks the correct set of outgoing changesets for |
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45 obsolete and unstable changesets. Previously, it could happen that the check |
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46 prevented pushing changesets which were already on the server. |
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47 |
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48 |
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49 == Backwards Compatibility Changes == |
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50 |
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51 * Mercurial now requires at least Python 2.7.9 or a Python version that |
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52 backported modern SSL/TLS features (as defined in PEP 466), and that Python |
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53 was compiled against a OpenSSL version supporting TLS 1.1 or TLS 1.2 |
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54 (likely this requires the OpenSSL version to be at least 1.0.1). |
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55 |
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56 * The `hg perfwrite` command from contrib/perf.py was made more flexible and |
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57 changed its default behavior. To get the previous behavior, run `hg perfwrite |
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58 --nlines=100000 --nitems=1 --item='Testing write performance' --batch-line`. |
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59 |
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60 * The absorb extension now preserves changesets with no file changes that can |
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61 be created by the commit command (those which change the branch name |
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62 compared to the parent and those closing a branch head). |
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63 |
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64 |
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65 == Internal API Changes == |
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66 |
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67 * logcmdutil.diffordiffstat() now takes contexts instead of nodes. |
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68 |
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69 * The `mergestate` class along with some related methods and constants have |
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70 moved from `mercurial.merge` to a new `mercurial.mergestate` module. |
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71 |
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73 New accessors are provided to detect if any non-public changeset exists | |
74 (`hasnonpublicphases`) and get the correponsponding root set | |
75 (`nonpublicphaseroots`). | |
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76 |
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77 * The `stdin`, `stdout` and `stderr` attributes of the `mercurial.pycompat` |
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78 module were removed. Instead, the attributes of same name from the |
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79 `mercurial.utils.procutil` module should be used, which provide more |
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80 consistent behavior across Python versions and platforms. |