annotate relnotes/5.9 @ 51520:fe8347b984f3

branchcache-v3: introduce a v3 format For now the format is the very same, however we will start changing it in future changesets.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 26 Feb 2024 14:20:36 +0100
parents 809e780c72e5
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1 == New Features ==
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2
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3 * `hg config` now has a `--source` option to show where each
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4 configuration value comes from.
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5 * Introduced a command (debug-repair-issue6528) to repair repositories affected
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6 by issue6528 where certain files would show up as modified even if they were
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7 clean due to an issue in the copy-tracing code.
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8
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9 == Default Format Change ==
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10
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11 These changes affect newly created repositories (or new clone) done with
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12 Mercurial 5.9.
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15 == New Experimental Features ==
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16
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17 * A `changelogv2` format has been introduced. It is not ready for use yet, but
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18 will be used later to address some of the weaknesses of the current revlog
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19 format.
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20 * Initial experiment and support for `dirstatev2`, a new dirstate format that
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21 addresses some of the weaknesses of the current dirstate format. Python + C
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22 and Rust support are being implemented, but the Rust solution is the one
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23 currently getting the attention for performance.
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24 * Initial support for `rhg status`. `rhg` is the Rust wrapper executable for hg
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25 that shortcuts some commands for faster execution speed.
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26
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27 == Bug Fixes ==
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28
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29 * Fixed committing empty files with `narrow`
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30 * Allow overriding `pip`'s pep517 compliance to build C or Rust extensions
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31 * Fixed regression on outgoing email when not specifying revisions
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32 * Fixed a regression causing bookmarks to disappear when using Rust persistent nodemap
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33 * Fixed a regression (in 5.9.1) introduced in 5.9 when cloning repos with
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34 deep filenames
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35 * Fixed detection of directories becoming symlinks, but only when using the
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36 Rust extensions.
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37 * Fixed ignore and include not composing in the Rust status
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38 * `hg commit --interactive` now handles deselecting edits of a rename
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39 * Fixed a case where `hg evolve` gives different results when interrupted
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40 * Fixed a memory leak in phases computation
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41 * `histedit` and `shelve` don't swallow errors when updating the working copy
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42 anymore
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43 * Improve error message when detecting content-divergence with a hidden
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44 common predecessor
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45 * No longer re-order parents in filelog, see issue6533
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46 * Fix revisions affected by issue6533 on the fly during exchange
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47 * Many Windows fixes for stability and py3 compatibility improvements
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48 * Many other miscellaneous fixes
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49
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50 == Backwards Compatibility Changes ==
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51
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52
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53 == Internal API Changes ==
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54
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55 The Dirstate API have been updated as the previous function leaked some
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56 internal details and did not distinguish between two important cases: "We are
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57 changing parent and need to adjust the dirstate" and "some command is changing
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58 which file is tracked". To clarify the situation:
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59
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60 * the following functions have been deprecated,
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61
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62 - `dirstate.add`,
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63 - `dirstate.normal`,
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64 - `dirstate.normallookup`,
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65 - `dirstate.merge`,
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66 - `dirstate.otherparent`,
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67 - `dirstate.remove`,
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68 - `dirstate.drop`,
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69 - `dirstateitem.__getitem__`,
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70
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71 * these new functions are added for the "adjusting parents" use-case:
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72
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73 - `dirstate.update_file`,
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74 - `dirstate.update_file_p1`,
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75
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76 * these new function are added for the "adjusting wc file" use-case":
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77
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78 - `dirstate.set_tracked`,
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79 - `dirstate.set_untracked`,
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80 - `dirstate.set_clean`,
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81 - `dirstate.set_possibly_dirty`,
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82
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83 See inline documentation of the new functions for details.
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84
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85 * Additionally, the following have been deprecated:
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86 - `urlutil.getpath` function
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87 - `localrepository.updatecaches`' `full` argument
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88
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89 * The following have been removed:
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90 - `revlog.revlogio` has been removed