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== Mercurial 4.8.1 (2019-03-19) == == Mercurial 5.1.2 (2019-10-02) ==

Regularly scheduled bug fix release.

=== extensions ===
 * phabricator: don't abort if property writing fails during amending

=== tests ===
 * test: allow different result for zstd compression (Bts:issue6188)


== Mercurial 5.1.1 (2019-09-05) ==

Regularly scheduled bug fix release.

=== commands ===
 * bookmarks: actual fix for race condition deleting bookmark

=== core ===
 * exchange: abort on pushing bookmarks pointing to secret changesets (Bts:issue6159)
 * python-zstandard: apply big-endian fix (Bts:issue6188)
 * fncache: make debugrebuildfncache not fail on broken fncache

=== tests ===
 * various test runner fixes
 * fixed use of `tr --delete` for tr(1) portability


== Mercurial 5.1 (2019-08-01) ==

Regularly scheduled feature release. An [[Release5.1|overview of new features]] available. This is a regularly-scheduled quarterly feature release.

=== commands ===
 * bookmark: also make bookmark cache depends of the changelog
 * bookmarks: actual fix for race condition deleting bookmark
 * bookmarks: actually trigger the race deleting bookmark in the test
 * bookmarks: backout the attempt to fix the delete race
 * bookmarks: keep bookmarks in .hg/store if new config set
 * bookmarks: use context manager when writing files
 * bookmarks: use correct store for "ambiguity check"
 * branch: abort if closing branch from a non-branchhead cset
 * branchcache: store the maximum tip in a variable inside for loop
 * commands: drop support for legacy ^cmd registration (API)
 * commit: add --force-close-branch flag to close a non-head changeset
 * commit: add a check if it is trying to close an already closed branch head
 * commit: add ability to print file status after each successful invocation
 * commit: allow --interactive to work again when naming a directory (Bts:issue6131)
 * commit: improve the files field of changelog for merges
 * commit: make the error message more specific while aborting branch closing
 * commit: respect --no-edit in combination with --amend
 * graft: moved abortgraft and readgraft to cmdutil
 * help: check if a subtopic exists and raise an error if it doesn't (Bts:issue6145)
 * log: add config for making 'hg log -G' always topo-sorted
 * log: flag topo-sorted set as such
 * log: pass getcopies() function instead of getrenamed() to displayer (API)
 * merge: disallow merge abort in case of an unfinished operation (Bts:issue6160)
 * patch: use a short, fixed-size message for last line of prompt (Bts:issue6158)
 * push: added clear warning message when pushing closed branches(Bts:issue6080)
 * tags: avoid double-reversing a list
 * verify: also check full manifest validity during verify runs
 * verify: introduce a notion of "level"
 * verify: introduce an experimental --full flag

=== core ===
 * docs: man page and HTML help now order commands categorically, instead of alphabetically
 * minirst: support subsubsubsubsections (header level 5) with marker `''''`
 * revlog: add the option to track the expected compression upper bound
 * revlog: speed up isancestor
 * templatekw: make {file_*} compare to both merge parents (Bts:issue4292)
 * templater: drop support for old style keywords (API)
 * util: make util.dirs() and util.finddirs() include root directory (API)

=== extensions ===
 * largefiles: make last line of prompts <40 english chars (Bts:issue6158)
 * mq: fix for merge detection methods
 * rebase: fix in-memory rebasing of copy of empty file
 * rebase: tweak description of inmemory working even w/ dirty working dir
 * shelve: modify help text on --interactive
 * unshelve: add interactive mode
 * unshelve: add space to help
 * unshelve: changed Corruptedstate error msg from ui.warn to error.Abort
 * unshelve: mark unshelve interactive as experimental

=== unsorted ===
 * abort: added support for graft
 * abort: added support for histedit
 * abort: added support for merge
 * abort: added support for rebase
 * abort: added support for unshelve
 * automation: initial support for running Linux tests
 * bisect: do not crash with rewritten commits
 * blackbox: disable extremely verbose logging (Bts:issue6110)
 * catapipe: add support for COUNTER events
 * changelog: define changelogrevision.p[12]copies for null revision
 * changelog: fix handling of empty copy entries in changeset
 * changelog: optionally store added and removed files in changeset extras
 * continue: added support for rebase
 * continue: added support for unshelve
 * copies: filter invalid copies only at end of pathcopies() (Bts:issue6163)
 * copies: follow copies across merge base without source file (Bts:issue6163)
 * debugrevlog: fix average size computation for empty data (Bts:issue6167)
 * drawdag: don't crash when writing copy info to changesets
 * extdata: avoid crashing inside subprocess when we get a revset parse error
 * extensions: drop support for extsetup() without 'ui' argument (API)
 * filemerge: make last line of prompts <40 english chars (Bts:issue6158)
 * graphmod: remove support for graph lines mixing parent/grandparent styles (BC)
 * manifest: avoid corruption by dropping removed files with pure (Bts:issue5801)
 * match: remove unused `match.__iter__` implementation (API)
 * match: use `''` instead of '.' for root directory (API)
 * procutil: allow callers of runbgcommand to assume the process starts
 * remotefilelog: check if RFL is enabled in getrenamedfn() override
 * remotefilelog: handle copies in changesets in getrenamedfn() override
 * remotefilelog: log when we're about to fetch files
 * remotefilelog: tell runbgcommand to not block on child process startup
 * root: add support for -Tformatter option
 * sslutil: add support for SSLKEYLOGFILE to wrapsocket
 * sslutil: fsencode path returned by certifi (Bts:issue6132)
 * statecheck: added support for STATES
 * subrepos: make last line of prompts <40 english chars (Bts:issue6158)
 * tests: make the grep pattern in remotefilelog-gcrepack portable (Bts:issue6122)
 * tests: work around libressl being different about error strings (Bts:issue6122)
 * tracing: add support for emitting counters
 * worker: support parallelization of functions with return values
 * zsh: enable completion support for chg as well

=== Behavior Changes ===

 * graphmod: remove support for graph lines mixing parent/grandparent styles (BC)

=== Internal API Changes ===

 * commands: drop support for legacy ^cmd registration (API)
 * extensions: drop support for extsetup() without 'ui' argument (API)
 * log: pass getcopies() function instead of getrenamed() to displayer (API)
 * match: remove unused `match.__iter__` implementation (API)
 * match: use `''` instead of '.' for root directory (API)
 * templater: drop support for old style keywords (API)
 * util: make util.dirs() and util.finddirs() include root directory (API)


== Mercurial 5.0.2 ==

A regularly scheduled bugfix release.

=== commands ===
 * Help fixes on hg mv and hg cp

=== unsorted ===
 * debugrevlog: fix average size computation for empty data (Bts:issue6167)
 * Fix an obscure data corruption bug with musl libc (and presumably others). See [[https://www.mercurial-scm.org/repo/hg-committed/rev/97ada9b8d51b the fix]] for more details.


== Mercurial 5.0.1 ==

A regularly scheduled bugfix release.

=== commands ===
 * bookmark: also make bookmark cache depends of the changelog
 * commit: allow --interactive to work again when naming a directory (Bts:issue6131)

=== unsorted ===
 * manifest: avoid corruption by dropping removed files with pure (Bts:issue5801)
 * sslutil: fsencode path returned by certifi (Bts:issue6132)

== Mercurial 5.0 (2019-05-01) ==

An [[Release5.0|overview of new features]] available. This is a regularly-scheduled quarterly feature release.

== Mercurial 4.9.1 (2019-03-19) ==
Line 17: Line 185:

=== commands ===
 * record: prevent commits that don't pick up dirty subrepo changes (Bts:issue6102)
Line 22: Line 193:
 * record: prevent commits that don't pick up dirty subrepo changes (Bts:issue6102)  * subrepo: avoid false unsafe path detection on Windows
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Release Notes

Features and bugfixes in our latest releases. Please see the Download page for links to source and binaries.

Note that Mercurial follows a time-based release plan with major releases every three months and minor (bugfix) releases on the first of every month (see TimeBasedReleasePlan).

{i} Be sure to read the upgrade notes when upgrading.

(See the archive for older versions)

1. Mercurial 5.1.2 (2019-10-02)

Regularly scheduled bug fix release.

1.1. extensions

  • phabricator: don't abort if property writing fails during amending

1.2. tests

  • test: allow different result for zstd compression (issue6188)

2. Mercurial 5.1.1 (2019-09-05)

Regularly scheduled bug fix release.

2.1. commands

  • bookmarks: actual fix for race condition deleting bookmark

2.2. core

  • exchange: abort on pushing bookmarks pointing to secret changesets (issue6159)

  • python-zstandard: apply big-endian fix (issue6188)

  • fncache: make debugrebuildfncache not fail on broken fncache

2.3. tests

  • various test runner fixes
  • fixed use of tr --delete for tr(1) portability

3. Mercurial 5.1 (2019-08-01)

Regularly scheduled feature release. An overview of new features available. This is a regularly-scheduled quarterly feature release.

3.1. commands

  • bookmark: also make bookmark cache depends of the changelog
  • bookmarks: actual fix for race condition deleting bookmark
  • bookmarks: actually trigger the race deleting bookmark in the test
  • bookmarks: backout the attempt to fix the delete race
  • bookmarks: keep bookmarks in .hg/store if new config set
  • bookmarks: use context manager when writing files
  • bookmarks: use correct store for "ambiguity check"
  • branch: abort if closing branch from a non-branchhead cset
  • branchcache: store the maximum tip in a variable inside for loop
  • commands: drop support for legacy ^cmd registration (API)
  • commit: add --force-close-branch flag to close a non-head changeset
  • commit: add a check if it is trying to close an already closed branch head
  • commit: add ability to print file status after each successful invocation
  • commit: allow --interactive to work again when naming a directory (issue6131)

  • commit: improve the files field of changelog for merges
  • commit: make the error message more specific while aborting branch closing
  • commit: respect --no-edit in combination with --amend
  • graft: moved abortgraft and readgraft to cmdutil
  • help: check if a subtopic exists and raise an error if it doesn't (issue6145)

  • log: add config for making 'hg log -G' always topo-sorted
  • log: flag topo-sorted set as such
  • log: pass getcopies() function instead of getrenamed() to displayer (API)
  • merge: disallow merge abort in case of an unfinished operation (issue6160)

  • patch: use a short, fixed-size message for last line of prompt (issue6158)

  • push: added clear warning message when pushing closed branches(issue6080)

  • tags: avoid double-reversing a list
  • verify: also check full manifest validity during verify runs
  • verify: introduce a notion of "level"
  • verify: introduce an experimental --full flag

3.2. core

  • docs: man page and HTML help now order commands categorically, instead of alphabetically
  • minirst: support subsubsubsubsections (header level 5) with marker ''''

  • revlog: add the option to track the expected compression upper bound
  • revlog: speed up isancestor
  • templatekw: make {file_*} compare to both merge parents (issue4292)

  • templater: drop support for old style keywords (API)
  • util: make util.dirs() and util.finddirs() include root directory (API)

3.3. extensions

  • largefiles: make last line of prompts <40 english chars (issue6158)

  • mq: fix for merge detection methods
  • rebase: fix in-memory rebasing of copy of empty file
  • rebase: tweak description of inmemory working even w/ dirty working dir
  • shelve: modify help text on --interactive
  • unshelve: add interactive mode
  • unshelve: add space to help
  • unshelve: changed Corruptedstate error msg from ui.warn to error.Abort
  • unshelve: mark unshelve interactive as experimental

3.4. unsorted

  • abort: added support for graft
  • abort: added support for histedit
  • abort: added support for merge
  • abort: added support for rebase
  • abort: added support for unshelve
  • automation: initial support for running Linux tests
  • bisect: do not crash with rewritten commits
  • blackbox: disable extremely verbose logging (issue6110)

  • catapipe: add support for COUNTER events
  • changelog: define changelogrevision.p[12]copies for null revision
  • changelog: fix handling of empty copy entries in changeset
  • changelog: optionally store added and removed files in changeset extras
  • continue: added support for rebase
  • continue: added support for unshelve
  • copies: filter invalid copies only at end of pathcopies() (issue6163)

  • copies: follow copies across merge base without source file (issue6163)

  • debugrevlog: fix average size computation for empty data (issue6167)

  • drawdag: don't crash when writing copy info to changesets
  • extdata: avoid crashing inside subprocess when we get a revset parse error
  • extensions: drop support for extsetup() without 'ui' argument (API)
  • filemerge: make last line of prompts <40 english chars (issue6158)

  • graphmod: remove support for graph lines mixing parent/grandparent styles (BC)
  • manifest: avoid corruption by dropping removed files with pure (issue5801)

  • match: remove unused match.__iter__ implementation (API)

  • match: use '' instead of '.' for root directory (API)

  • procutil: allow callers of runbgcommand to assume the process starts
  • remotefilelog: check if RFL is enabled in getrenamedfn() override
  • remotefilelog: handle copies in changesets in getrenamedfn() override
  • remotefilelog: log when we're about to fetch files
  • remotefilelog: tell runbgcommand to not block on child process startup
  • root: add support for -Tformatter option
  • sslutil: add support for SSLKEYLOGFILE to wrapsocket
  • sslutil: fsencode path returned by certifi (issue6132)

  • statecheck: added support for STATES
  • subrepos: make last line of prompts <40 english chars (issue6158)

  • tests: make the grep pattern in remotefilelog-gcrepack portable (issue6122)

  • tests: work around libressl being different about error strings (issue6122)

  • tracing: add support for emitting counters
  • worker: support parallelization of functions with return values
  • zsh: enable completion support for chg as well

3.5. Behavior Changes

  • graphmod: remove support for graph lines mixing parent/grandparent styles (BC)

3.6. Internal API Changes

  • commands: drop support for legacy ^cmd registration (API)
  • extensions: drop support for extsetup() without 'ui' argument (API)
  • log: pass getcopies() function instead of getrenamed() to displayer (API)
  • match: remove unused match.__iter__ implementation (API)

  • match: use '' instead of '.' for root directory (API)

  • templater: drop support for old style keywords (API)
  • util: make util.dirs() and util.finddirs() include root directory (API)

4. Mercurial 5.0.2

A regularly scheduled bugfix release.

4.1. commands

  • Help fixes on hg mv and hg cp

4.2. unsorted

5. Mercurial 5.0.1

A regularly scheduled bugfix release.

5.1. commands

  • bookmark: also make bookmark cache depends of the changelog
  • commit: allow --interactive to work again when naming a directory (issue6131)

5.2. unsorted

  • manifest: avoid corruption by dropping removed files with pure (issue5801)

  • sslutil: fsencode path returned by certifi (issue6132)

6. Mercurial 5.0 (2019-05-01)

An overview of new features available. This is a regularly-scheduled quarterly feature release.

7. Mercurial 4.9.1 (2019-03-19)

A regularly scheduled bugfix release, late due to vacations and similar disruptions at the regular time.

7.1. commands

  • record: prevent commits that don't pick up dirty subrepo changes (issue6102)

7.2. extensions

  • rebase: add missing dashes in help text

7.3. unsorted

  • subrepo: avoid false unsafe path detection on Windows
  • test-https: add some more known failure messages of client certs (issue6030)

8. Mercurial 4.9 (2019-02-01)

An overview of new features available. This is a regularly-scheduled quarterly feature release that also contains security fixes.

8.1. security

It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository. This has been fixed. Users on older versions can either disable subrepositories with [subrepos] allowed=false in their configuration or by ensuring any cloned repositories don't contain malicious symlinks.

8.2. commands

  • archive: use manifest.matches() to simplify and speed up matching
  • branch: allow changing branch of merge commits with --rev
  • branches: add -r option to show branch name(s) of a given rev (issue5948)

  • graft: abort if --date/user specified with --currentdate/currentuser (BC)
  • graft: introduce --base option for using custom base revision while merging
  • help: add internals.extensions topic
  • help: show advanced, experimental and deprecated extensions with --verbose
  • log: fix line wrap on diffstat with -G/--graph (issue5800)

  • merge: make local file storage in the .hg/merge directory extensible
  • pull: fix inconsistent view of bookmarks during pull (issue4700)

  • push: add --publish flag to change phase of pushed changesets
  • push: config option to control behavior when pushing to a publishing server
  • resolve: fix mark-check when a file was deleted on one side (issue6020)

  • tags: cache 'repo.changelog' access when checking tags nodes
  • update: fix edge-case with update.atomic-file and read-only files

8.3. core

  • revlog: always enable generaldelta on version 2 revlogs
  • revlog: make sure we never use sparserevlog without general delta (issue6056)

  • revset: enforce "%d" to be interpreted as literal revision number (API) (BC)
  • revset: introduce an API that avoids 'formatspec' input serialization
  • revsets: make bookmark/named('re:nonexistent') not abort (issue6018) (BC)

  • templatekw: deprecate p1rev/p2rev/p1node/p2node in favor of p1/p2
  • templatekw: fix crash on multiple latesttags resolution at wdir (issue6055)

  • templater: check invalid use of list expression properly (issue5920)

  • transaction: display data about why the transaction failed to rollback
  • ui: add config knob to redirect status messages to stderr (API)
  • ui: remove unreachable branches and function calls from write() (issue6059)

  • vfs: also audit rename
  • wireproto: in batch queries, support queries with immediate responses

8.4. extensions

  • absorb: don't prompt to apply changes when there are none to apply
  • amend: add -D/--currentdate option
  • amend: add config option to update time to current in hg amend (issue5828)

  • blackbox: add configitem for format of log timestamps
  • bookflow: new extension for bookmark-based branching
  • convert: don't drop commits that are empty in the source when using --filemap
  • extensions: deprecate extsetup without a 'ui' argument (API)
  • extensions: import the exthelper class from evolve 980565468003 (API)
  • fix: add a config to abort when a fixer tool fails
  • fix: add extra field to fixed revisions to avoid creating obsolescence cycles
  • fix: add suboption for configuring execution order of tools
  • histedit: add rewrite.update-timestamp support to fold and mess
  • histedit: add warning message on editing tagged commits (issue4017)

  • histedit: drop unused constructor arguments (API)
  • histedit: fix --continue and --abort when curses is enabled
  • histedit: import chistedit curses UI from hg-experimental
  • lfs: improve the hints for common errors in the Batch API
  • logtoprocess: drop support for ui.log() call with invalid msg arguments (BC)
  • logtoprocess: leverage procutil.shellenviron() to stringify variables (BC)
  • narrow: don't resurrect old commits when narrowing (don't strip obsmarkers)
  • narrow: drop the bundle2 capability since we have server capabilities (BC)
  • phabricator: teach {phabreview} to work without --amend
  • phabricator: warn if unable to amend, instead of aborting after posting
  • remotefilelog: fix {file_copies} template keyword
  • remotefilelog: import pruned-down remotefilelog extension from hg-experimental
  • sparse: don't enable on clone if it was a narrow clone
  • strip: compute bookmark target only if we have bookmark to move

8.5. unsorted

  • changegroup: add a option to create bundle with full snapshot only
  • changegroup: allow to force delta to be against p1
  • commandserver: add IPC channel to teach repository path on command finished
  • commandserver: add config knob for various logging options
  • commandserver: add experimental option to use separate message channel
  • commandserver: send raw progress information to message channel
  • filecache: unimplement __set__() and __delete__() (API)

  • http: allow 'auth.prefix' to have a username consistent with the URI
  • match: support rooted globs in hgignore
  • merge-tools: when calling external merge tool, describe the resolve inputs
  • mergetools: adjust Beyond Compare config on Mac/Linux
  • obsutil: fix the issue5686

  • progress: deprecate ui.progress()
  • rust-cpython: binding for AncestorsIterator

  • rust-cpython: binding for LazyAncestors

  • rust-cpython: bindings for MissingAncestors

  • sparse-revlog: disable sparse-revlog if config disable general-delta
  • sparse-revlog: enabled by default
  • storage: update sqlitestore to use the new 'deltamode' parameter
  • store: raise ProgrammingError if unable to decode a storage path

  • subrepo: extend path auditing test to include more weird patterns (SEC)
  • subrepo: prohibit variable expansion on creation of hg subrepo (SEC)
  • subrepo: reject potentially unsafe subrepo paths (BC) (SEC)

8.6. Behavior Changes

  • graft: abort if --date/user specified with --currentdate/currentuser (BC)
  • logtoprocess: drop support for ui.log() call with invalid msg arguments (BC)
  • logtoprocess: leverage procutil.shellenviron() to stringify variables (BC)
  • narrow: drop the bundle2 capability since we have server capabilities (BC)
  • revset: enforce "%d" to be interpreted as literal revision number (API) (BC)
  • revsets: make bookmark/named('re:nonexistent') not abort (issue6018) (BC)

  • subrepo: reject potentially unsafe subrepo paths (BC) (SEC)

8.7. Internal API Changes

  • extensions: deprecate extsetup without a 'ui' argument (API)
  • extensions: import the exthelper class from evolve 980565468003 (API)
  • filecache: unimplement __set__() and __delete__() (API)

  • histedit: drop unused constructor arguments (API)
  • revset: enforce "%d" to be interpreted as literal revision number (API) (BC)
  • ui: add config knob to redirect status messages to stderr (API)

9. Mercurial 4.8.2 (2019-01-07)

This is a regularly-scheduled bugfix release containing following fixes:

9.1. commands

  • update: do not pass in user revspec as default destination (issue6044)

9.2. core

  • match: fix assertion for fileset with no context (issue6046)

  • revlog: catch delta base value under -1
  • revlog: catch revlog corruption in index_baserev
  • server: always close http socket if responding with an error (issue6033)

  • vfs: ensure closewrapbase fh doesn't escape by entering context manager

9.3. extensions

  • phabricator: properly encode boolean types in the request body

9.4. unsorted

  • windows: ensure mixedfilemodewrapper fd doesn't escape by entering context mgr
  • worker: do not swallow exception occurred in main process

10. Mercurial 4.8.1 (2018-12-04)

A regularly scheduled bugfix release. Some security fixes are included, but all are expected to be low-risk.

10.1. commands

  • commandserver: get around ETIMEDOUT raised by selectors2
  • graft: do not try to skip rev derived from ancestor more than once (issue6024)

  • verify: provide unit to ui.makeprogress()

10.2. core

  • revlog: fix out-of-bounds access by negative parents read from revlog (SEC)

10.3. extensions

  • rebase: abort in-mem rebase if there's a dirty merge state
  • rebase: fix dir/file conflict detection when using in-mem merge
  • rebase: fix path auditing to audit path relative to repo root (issue5818)

  • rebase: preserve working copy when redoing in-mem rebase on disk

10.4. unsorted

  • tests: stabilize test-inherit-mode.t on FreeBSD and macOS (issue6026)

11. Mercurial 4.8 (2018-11-02)

An overview of new features available. This is a regularly-scheduled quarterly feature release.

11.1. commands

  • add: add a label for messages about added files
  • addremove: add labels for messages about added and removed files
  • annotate: pass in wdir rev and node to formatter (BC)
  • annotate: rename {line_number} to {lineno} (BC)
  • bookmarks: add explicit option to list bookmarks of the given names
  • bookmarks: pass in formatter to printbookmarks() instead of opts (API)
  • clone: allow local cloning to create more than one level of directories
  • debugcommands: introduce debugrevlogindex (BC)
  • debugcommands: use openstorage() in debugdata (BC)
  • grep: add MULTIREV support to --allfiles flag
  • grep: rename {line_number} to {lineno} as well (BC)
  • grep: search all commits in allfiles mode
  • help: adding a proper declaration for shortlist/basic commands (API)
  • help: adding support for command categories
  • identify: change {parents} to a list of nodes (BC)
  • identify: show remote bookmarks in 'hg id url -Tjson -B'
  • log: have changesetformatter fill in wdir() rev and node (BC)
  • log: respect graphshorten on terminal nodes (collapsing o-~ to just o~)

  • merge: improve interactive one-changed one-deleted message (issue5550)

  • phase: explicitly exclude secret phase and above
  • phase: expose a '_phase(idx)' revset
  • phase: handle phase with no command flag
  • phase: report number of non-public changeset alongside the new range
  • push: add "remote" to 'repository changed while pushing' messages (issue5971)

  • remove: add a label for messages about removed files
  • rename: return error status if any rename/copy failed
  • resolve: add a flag for the default behavior of re-merging
  • resolve: add config to make hg resolve not re-merge by default
  • resolve: add confirm config option
  • resolve: add option to warn/abort on -m with unresolved conflict markers
  • resolve: graduate resolve.mark-check from experimental, add docs
  • resolve: rename {status} to {mergestatus} to not shadow change status (BC)
  • status: advertise --abort instead of 'update -C .' to abort a merge
  • status: advertise --abort instead of 'update -C .' to abort graft
  • status: remove "morestatus" message from formatter data (BC)
  • status: rename {copy} to {source} for compatibility with {file_copies} (BC)
  • verify: make output less confusing (issue5924)

11.2. core

  • context: drop compatibility for 'context.descendant' (API)
  • context: move logic from changectx.__init__ to localrepo.__getitem__ (API)

  • context: remove unused overlayfilectx (API)
  • dispatch: don't show list of commands on bogus command
  • dispatch: making all hg abortions be output with a specific label
  • dispatch: show a short error message when invalid global option given
  • exchange: support declaring pull depth
  • exchange: support defining narrow file patterns for pull
  • filelog: add a hasnode() method (API)
  • filelog: drop _generaldelta attribute (API)
  • filelog: drop index attribute (API)
  • filelog: remove checkhash() (API)
  • filelog: remove revdiff() (API)
  • filelog: remove version attribute (API)
  • filelog: stop proxying "opener" (API)
  • filelog: stop proxying _addrevision() (API)
  • filelog: stop proxying checksize() (API)
  • filelog: stop proxying compress() (API)
  • filelog: stop proxying datafile (API)
  • filelog: stop proxying deltaparent() (API)
  • filelog: stop proxying flags() (API)
  • filelog: stop proxying headrevs() (API)
  • filelog: stop proxying rawsize() (API)
  • filelog: stop proxying start(), end(), and length() (API)
  • localrepo: add repository feature when repo can be stream cloned
  • localrepo: add requirement when narrow files creation option present
  • localrepo: automatically load lfs extension when required (BC)
  • localrepo: define "features" on repository instances (API)
  • localrepo: define storage backend in creation options (API)
  • localrepo: move repo creation logic out of localrepository.__init__ (API)

  • localrepo: pass ui to newreporequirements() (API)
  • localrepo: support marking repos as having shallow file storage
  • localrepo: support writing shared file (API)
  • pager: do not enable when TERM=dumb
  • repository: establish API for emitting revision deltas
  • revlog: add method for obtaining storage info (API)
  • revlog: drop LookupError alias (API)

  • revlog: drop RevlogError alias (API)

  • revlog: drop compatibility for 'revlog.descendant' (API)
  • revlog: drop emitrevisiondeltas() and associated functionality (API)
  • revlog: drop some more error aliases (API)
  • revlog: new API to emit revision data
  • revlog: reuse cached delta for identical base revision (issue5975)

  • revset: expand bookmark(.) to the active bookmark
  • revsetlang: fix position of '-' in spaceless 'a-b' expressions
  • streamclone: don't support stream clone unless repo feature present
  • streamclone: include obsstore file into stream bundle if client can read it
  • templatefuncs: add truncate parameter to pad
  • templatekw: add experimental {status} keyword
  • templatekw: deprecate old-style template keyword function (API)
  • templates: rename "user" to "luser" defined in default map file (API)
  • tracing: new module to make tracing events in hg easier
  • tracing: trace command function execution
  • transaction: make entries a private attribute (API)
  • transaction: remember original len(repo) instead of tracking added revs (API)
  • util: make timedcm require the label (API)
  • wireprotov2: add bookmarks to "changesetdata" command
  • wireprotov2: add phases to "changesetdata" command
  • wireprotov2: client support for advertising redirect targets
  • wireprotov2: client support for following content redirects
  • wireprotov2: define and implement "changesetdata" command
  • wireprotov2: define and implement "filedata" command
  • wireprotov2: define and implement "filesdata" command
  • wireprotov2: define and implement "manifestdata" command
  • wireprotov2: server support for sending content redirects
  • wireprotov2: support response caching

11.3. extensions

  • absorb: import extension from Facebook's hg-experimental
  • absorb: print '{rev}:' as a prefix to the hash
  • absorb: print summary of changesets affected
  • absorb: prompt user to accept absorb changes by default
  • amend: support "history-editing-backup" config option
  • closehead: fix close-head -r listification
  • commitextras: work nicely with other extensions
  • convert: fix a file descriptor leak
  • extension: add a summary of total loading time per extension
  • extensions: add detailed loading information
  • extensions: new closehead module for closing arbitrary heads
  • fastannotate: initial import from Facebook's hg-experimental
  • fastannotate: make the default value for 'fastannotate.useflock' dynamic
  • fix: add a monkey-patchable point after all new revisions have been committed
  • fix: compute changed lines lazily to make whole-file fixer tools faster
  • fix: determine fixer tool failure by exit code instead of stderr
  • fix: pull out flag definitions to make them re-usable from extensions
  • fsmonitor: use vfs instead of opener (issue5938)

  • journal: do not pass in repolookuperror string to template (BC)
  • journal: unify template name for "nodes" (BC)
  • largefiles: automatically load largefiles extension when required (BC)
  • lfs: add repository feature denoting the use of LFS
  • lfs: autoload the extension when cloning from repo with lfs enabled
  • lfs: consult the narrow matcher when extracting pointers from ctx (issue5794)

  • lfs: don't add extension to hgrc after clone or share (BC)
  • lfs: don't add extension to hgrc after conversion (BC)
  • logtoprocess: connect all fds to /dev/null to avoid bad interaction with pager
  • logtoprocess: define $HG for children processes
  • narrow: add '--import-rules' flag to tracked command
  • narrow: add a --narrowspec flag to clone command
  • narrow: add narrow and ellipses as server capabilities
  • narrow: add server logic to send cg while widening without ellipsis
  • narrow: check for servers' narrow support before doing anything (BC)
  • narrow: drop support for remote expansion (BC)
  • narrow: introduce a config option to check if narrow is enabled or not
  • narrow: move .hg/narrowspec to .hg/store/narrowspec (BC)
  • narrow: move support for 'hg verify' into core
  • narrow: the first version of narrow_widen wireprotocol command
  • narrow: validate spec files are well-formed during clone (BC)
  • patchbomb: allow using HGHOSTNAME to force a hostname
  • phabricator: drop support for the legacy phabricator.auth.token config (BC)
  • phabricator: mark extension as experimental for now
  • rebase: add --stop option to stop rebase at any point (issue5206)

  • rebase: don't try to prune obsolete changeset already in the destination
  • rebase: explicitly track collapses as fold
  • rebase: skip extinct revisions even if it has no successor in rebase set
  • rebase: support "history-editing-backup" config option
  • remotenames: add names argument to remotenames revset
  • share: allow more than one level of directories to be created
  • shelve: add an "internal" extra
  • shelve: fix crash on unshelve without .shelve metadata file
  • shelve: use the internal phase when possible
  • sqlitestore: file storage backend using SQLite
  • strip: ignore orphaned internal changesets while computing safe strip roots

11.4. hgweb

  • hgweb: add error template to json so it won't crash
  • hgweb: map Abort to 403 error to report inaccessible path for example
  • hgweb: show shortlog by default in json output (issue5978)

  • hgweb: use scmutil.binnode() to translate None to wdir hash (issue5988)

11.5. chg

  • chgserver: add "setumask2" command which uses correct message frame
  • chgserver: restore pager fds attached within runcommand session
  • rust-chg: add Client extensions to run cHg-specific requests
  • rust-chg: add callback to handle pager and shell command requests

11.6. unsorted

  • ancestors: actually iterate over ancestors in topological order (issue5979)

  • bundle2: graduate bundle2.stream option from experimental to server section
  • changegroup: pass sorted revisions into group() (API)
  • changegroup: port to emitrevisions() (issue5976)

  • changegroup: remove reordering control (BC)
  • changegroup: restore default node ordering (issue6001)

  • cleanupnodes: drop special casing around prune markers (API)
  • commands: restore compatibility for "^cmd" registration (issue6005)

  • copies: improve logic of deciding copytracing on based of config options
  • crecord: make nextsametype() check that parent item exists (issue6009)

  • crecord: make enter move cursor down to the next item of the same type
  • delta: skip "empty delta" optimisation for non-general case (issue6006)

  • error: introduce StorageError

  • filemerge: add config knob to check capabilities of internal merge tools
  • filemerge: show warning if chosen tool has no binary files capability
  • fileset: extract language processing part to new module (API)
  • fileset: optimize 'x and not y' to 'x - y'
  • fileset: roughly adjust weights of functions
  • formatter: remove experimental marker from -T option
  • formatter: rename {abspath}/{file} to {path}, and drop relative {path} (BC)
  • global: replace most uses of RevlogError with StorageError (API)

  • hg: allow extra arguments to be passed to repo creation (API)
  • httppeer: expose capabilities for each command
  • index: drop support for negative indexes into the index
  • index: handle index[-1] as nullid more explicitly
  • linelog: fix infinite loop vulnerability
  • lookup: add option to disambiguate prefix within revset
  • mail: always fall back to iso-8859-1 if us-ascii won't work (BC)
  • mail: modernize check for Python-with-TLS
  • manifest: add rawsize() proxy (API)
  • meld: enable auto-merge
  • mergetool: warn if ui.merge points to nonexistent tool
  • narrowspec: limit patterns to path: and rootfilesin: (BC)
  • narrowspec: use sparse.parseconfig() to parse narrowspec file (BC)
  • obsolete: fix ValueError when stored note contains ':' char (issue5783)

  • overlayworkingctx: fix exception in metadata-only inmemory merges (issue5960)

  • phase: add an archived phase
  • phases: add an internal phases
  • pullreport: issue a message about "extinct" pulled changesets
  • py3: rename pycompat.getcwd() to encoding.getcwd() (API)
  • revisions: allow "x123" to refer to nodeid prefix "123"
  • scmutil: accept multiple predecessors in 'replacements' (API)
  • shortest: never emit 0-length prefix even if unique
  • shortest: use 'x' prefix to disambiguate from revnum if configured
  • sparse-revlog: only refine delta candidates in the sparse case (issue6006)

  • statprof: fix indent level of fp.write() (issue6004)

  • statprof: update the name as the i increases (issue6003)

  • storageutil: consistently raise LookupError (API)

  • storageutil: implement file identifier resolution method (BC)
  • storageutil: move metadata parsing and packing from revlog (API)
  • storageutil: new module for storage primitives (API)
  • url: allow to configure timeout on http connection

11.7. Behavior Changes

  • annotate: pass in wdir rev and node to formatter (BC)
  • annotate: rename {line_number} to {lineno} (BC)
  • changegroup: remove reordering control (BC)
  • debugcommands: introduce debugrevlogindex (BC)
  • debugcommands: use openstorage() in debugdata (BC)
  • formatter: rename {abspath}/{file} to {path}, and drop relative {path} (BC)
  • grep: rename {line_number} to {lineno} as well (BC)
  • identify: change {parents} to a list of nodes (BC)
  • journal: do not pass in repolookuperror string to template (BC)
  • journal: unify template name for "nodes" (BC)
  • largefiles: automatically load largefiles extension when required (BC)
  • lfs: don't add extension to hgrc after clone or share (BC)
  • lfs: don't add extension to hgrc after conversion (BC)
  • localrepo: automatically load lfs extension when required (BC)
  • log: have changesetformatter fill in wdir() rev and node (BC)
  • mail: always fall back to iso-8859-1 if us-ascii won't work (BC)
  • narrow: check for servers' narrow support before doing anything (BC)
  • narrow: drop support for remote expansion (BC)
  • narrow: move .hg/narrowspec to .hg/store/narrowspec (BC)
  • narrow: validate spec files are well-formed during clone (BC)
  • narrowspec: limit patterns to path: and rootfilesin: (BC)
  • narrowspec: use sparse.parseconfig() to parse narrowspec file (BC)
  • phabricator: drop support for the legacy phabricator.auth.token config (BC)
  • resolve: rename {status} to {mergestatus} to not shadow change status (BC)
  • status: remove "morestatus" message from formatter data (BC)
  • status: rename {copy} to {source} for compatibility with {file_copies} (BC)
  • storageutil: implement file identifier resolution method (BC)

11.8. Internal API Changes

  • bookmarks: pass in formatter to printbookmarks() instead of opts (API)
  • changegroup: pass sorted revisions into group() (API)
  • cleanupnodes: drop special casing around prune markers (API)
  • context: drop compatibility for 'context.descendant' (API)
  • context: move logic from changectx.__init__ to localrepo.__getitem__ (API)

  • context: remove unused overlayfilectx (API)
  • filelog: add a hasnode() method (API)
  • filelog: drop _generaldelta attribute (API)
  • filelog: drop index attribute (API)
  • filelog: remove checkhash() (API)
  • filelog: remove revdiff() (API)
  • filelog: remove version attribute (API)
  • filelog: stop proxying "opener" (API)
  • filelog: stop proxying _addrevision() (API)
  • filelog: stop proxying checksize() (API)
  • filelog: stop proxying compress() (API)
  • filelog: stop proxying datafile (API)
  • filelog: stop proxying deltaparent() (API)
  • filelog: stop proxying flags() (API)
  • filelog: stop proxying headrevs() (API)
  • filelog: stop proxying rawsize() (API)
  • filelog: stop proxying start(), end(), and length() (API)
  • fileset: extract language processing part to new module (API)
  • global: replace most uses of RevlogError with StorageError (API)

  • help: adding a proper declaration for shortlist/basic commands (API)
  • hg: allow extra arguments to be passed to repo creation (API)
  • localrepo: define "features" on repository instances (API)
  • localrepo: define storage backend in creation options (API)
  • localrepo: move repo creation logic out of localrepository.__init__ (API)

  • localrepo: pass ui to newreporequirements() (API)
  • localrepo: support writing shared file (API)
  • manifest: add rawsize() proxy (API)
  • py3: rename pycompat.getcwd() to encoding.getcwd() (API)
  • revlog: add method for obtaining storage info (API)
  • revlog: drop LookupError alias (API)

  • revlog: drop RevlogError alias (API)

  • revlog: drop compatibility for 'revlog.descendant' (API)
  • revlog: drop emitrevisiondeltas() and associated functionality (API)
  • revlog: drop some more error aliases (API)
  • scmutil: accept multiple predecessors in 'replacements' (API)
  • storageutil: consistently raise LookupError (API)

  • storageutil: move metadata parsing and packing from revlog (API)
  • storageutil: new module for storage primitives (API)
  • templatekw: deprecate old-style template keyword function (API)
  • templates: rename "user" to "luser" defined in default map file (API)
  • transaction: make entries a private attribute (API)
  • transaction: remember original len(repo) instead of tracking added revs (API)
  • util: make timedcm require the label (API)

12. Mercurial 4.7.2 (2018-10-01)

This is a regularly-scheduled bugfix release containing following fixes:

12.1. security

Fix a potential out-of-bounds read in manifest parsing C code.

12.2. core

  • various minor correctness fixes in revsets for commonancestors() and similar

12.3. unsorted

  • chgserver: do not send system() back to client if stdio redirected (issue5992)

  • procutil: compare fd number to see if stdio protection is needed (issue5992)

13. Mercurial 4.7.1 (2018-09-04)

This is a regularly-scheduled bugfix release containing following fixes:

13.1. commands

  • merge: do not delete untracked files silently (issue5962)

13.2. core

  • revlog: fix descendant deprecated method

13.3. hgweb

  • hgweb: load revcount + 1 entries to fill nextentry in log page (issue5972)

13.4. performance

  • remotephase: avoid full changelog iteration (issue5964)

  • remotephase: fast path newheads computation in simple case (issue5964)

  • scmutil: avoid quadratic membership testing (issue5969)

  • sparse-revlog: fix delta validity computation

14. Mercurial 4.7 (2018-08-01)

This is a regularly-scheduled quarterly feature release and has its own release notes page which can be found here Full release notes.

WhatsNew (last edited 2024-03-21 11:28:40 by RaphaelGomes)