Mercurial > hg
annotate relnotes/5.8 @ 49684:229e0ed88895
share: stop using 'islocal' with repo instance
Having this level of polymorphism of the `islocal` function is weird, and we
already have a way to know if the repo is local from the object itself.
We are about to deprecate passing a non-bytes object to `islocal`, so clean this
up beforehand.
We might want to clean up this function too in the future, however this is
another adventure.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 30 Nov 2022 11:12:48 +0100 |
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1 == New Features == |
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2 |
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3 * `hg purge` is now a core command using `--confirm` by default. |
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4 |
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5 * The `rev-branch-cache` is now updated incrementally whenever changesets |
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6 are added. |
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7 |
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8 * The new options `experimental.bundlecompthreads` and |
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9 `experimental.bundlecompthreads.<engine>` can be used to instruct |
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10 the compression engines for bundle operations to use multiple threads |
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11 for compression. The default is single threaded operation. Currently |
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12 only supported for zstd. |
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13 |
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14 == Default Format Change == |
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15 |
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16 These changes affects newly created repositories (or new clone) done with |
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17 Mercurial 5.8. |
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18 |
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19 * The `ZSTD` compression will now be used by default for new repositories |
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20 when available. This compression format was introduced in Mercurial 5.0, |
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21 released in May 2019. See `hg help config.format.revlog-compression` for |
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22 details. |
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23 |
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24 * Mercurial installation built with the Rust parts will now use the |
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25 "persistent nodemap" feature by default. This feature was introduced in |
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26 Mercurial 5.4 (May 2020). However Mercurial instalation built without the |
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27 fast Rust implementation will refuse to interract with them by default. |
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28 This restriction can be lifted through configuration. |
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29 |
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30 See `hg help config.format.use-persistent-nodemap` for details |
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31 |
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32 == New Experimental Features == |
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33 |
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34 * There's a new `diff.merge` config option to show the changes |
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35 relative to an automerge for merge changesets. This makes it |
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36 easier to detect and review manual changes performed in merge |
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37 changesets. It is supported by `hg diff --change`, `hg log -p` |
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38 `hg incoming -p`, and `hg outgoing -p` so far. |
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39 |
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40 |
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41 == Bug Fixes == |
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42 |
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43 * gracefully recover from inconsistent persistent-nodemap data from disk. |
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44 |
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45 |
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46 == Backwards Compatibility Changes == |
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47 |
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48 * In normal repositories, the first parent of a changeset is not null, |
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49 unless both parents are null (like the first changeset). Some legacy |
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50 repositories violate this condition. The revlog code will now |
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51 silentely swap the parents if this condition is tested. This can |
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52 change the output of `hg log` when explicitly asking for first or |
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53 second parent. The changesets "nodeid" are not affected. |
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54 |
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55 |
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56 == Internal API Changes == |
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57 |
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58 * `changelog.branchinfo` is deprecated and will be removed after 5.8. |
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59 It is superseded by `changelogrevision.branchinfo`. |
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60 |
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61 * Callbacks for revlog.addgroup and the changelog._nodeduplicatecallback hook |
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62 now get a revision number as argument instead of a node. |
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63 |
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64 * revlog.addrevision returns the revision number instead of the node. |
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65 |
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66 * `nodes.nullid` and related constants are being phased out as part of |
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67 the deprecation of SHA1. Repository instances and related classes |
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68 provide access via `nodeconstants` and in some cases `nullid` attributes. |