Mercurial 6.4 (2023-03-23)

Mercurial 6.4 (2023-03-23)#

Mercurial 6.4.5#

  • re2: fix reporting of availability in hg debuginstall

  • ui: fix crash in hg paths when pulled-delta-reuse-policy is in use

  • path: display proper user facing value for pulled-delta-reuse-policy

Mercurial 6.4.4#

  • clonebundles: filter out invalid schemes instead of failing on them

  • doc: format argument for date uses strftime format string (issue6818)

  • test: make test-contrib-perf.t more robust

  • revlog: fix a bug in revlog splitting

  • bundles: clarify streaming v2 bundle usage

  • delta-find: fix pulled-delta-reuse-policy=forced behavior

  • dirstate: fall back to v1 if reading v2 failed

  • revlog: avoid possible collision between directory and temporary index

Mercurial 6.4.3#

  • chg: declare environ (issue6812)

  • chg: set CHGHG before connecting to command server

  • delta-find: never do anything fancy when general delta is off

  • delta-find: add a simple safeguard to prevent bad non-general-delta

  • debug-delta: add minimal documentation for devel.bundle-delta option

  • fix: highlight the required configuration and behavior of the fixer tools

  • rhg: don’t print copy source when –no-status is passed

  • rhg: correctly relativize copy source path

  • repo-upgrade: write new requirement before upgrading the dirstate

  • backup: fix issue when the backup end up in a different directory

Mercurial 6.4.2#

Exceptional bugfix release due to a corruption bug that happens when using clonebundles on repositories with large files.

  • revlog-split: make sure the self._indexfile attribute is reset (issue6811)

Mercurial 6.4.1#

  • rhg: fix a bug in path encoding

  • rhg: don’t crash on empty directory names in path_encode, just in case

  • commands: correct documentation of hg serve’s –ipv6 options

  • run-tests: remove obsolete coverage check and packaging import (issue6805)

  • chg: populate CHGHG if not set

  • match: sort patterns before compiling them into a regex

  • match: match explicit file using a set

  • rebase: do not cleanup the working copy when –dry-run is used (issue6802)

  • sslutil: set context security level for legacy tls testing (issue6760)

Mercurial 6.4#

New Features#

  • There is a new internal merge tool called internal:union-other-first. It works like internal:union but add other side on top of local.

  • Pullbundles are enabled by default

  • delta-find: add a way to control the number of bases tested at the same time

  • changelog-v2: add a configuration to disable rank computation

  • debug: add an option to display statistic about a bundling operation

  • debug: add an option to display statistic about a unbundling operation

  • delta-find: add a delta-reuse policy that blindly accepts incoming deltas

  • debug: add debug-revlog-stats command

  • dirstate: add narrow support to verify

  • verify: also check dirstate

  • commit: add –draft option to use draft phase

  • amend: add a –draft option to set phase to draft

  • debug: add a config to abort update early

  • rhg: implement checkexec to support weird filesystems

  • debugshell: allow commands to be specified as a CLI argument

  • rhg-files: add support for narrow when specifying a revision

  • rust-narrow: enable narrow support for plain rhg files

Bug Fixes#

Aside from the following (unordered) commits which made it through a manual filter, there are a bunch of typing improvements and fixes, removal of deprecated code and general code cleanup.

  • lfs: improve an exception message for blob corruption detected on transfer

  • revlog: use the user facing filename as the display_id for filelogs

  • rust-status: query fs traversal metadata lazily

  • shelve: add Shelf.changed_files for resolving changed files in a plugin

  • demandimport: ensure lazyloaderex sets loader attributes (issue6725)

  • typing: fix a syntax error in mercurial/cext/bdiff.pyi

  • cffi: fix a bytes vs str issue on macOS when listing directories

  • changelog-v2: fix the docket struct

  • schemes: fix a broken check for drive letter conflicts

  • worker: avoid reading 1 byte at a time from the OS pipe

  • rust-narrow: fix loop that never loops

  • setup: Ensure target directory exists with building rust extension

  • dirstate: invalidate changes when parent-change fails

  • dirstate: warn about non-explicitly rolledback parent-change

  • dirstate: write dirstate on successful exit of changing_parents context

  • largefile: make sure we hold the lock when updating the second dirstate

  • dirstate: enforce holding the lock while doing any changes

  • run-tests: stop ignoring venv-installed packages

  • transaction: run abort callback in all cases

  • transaction: quietly rollback if no other changes than temporary files

  • debugrebuilddirstate: double check that no transaction is open

  • dirstate: do not write an empty dirstate just for backup

  • locking: take the wlock for the full hg add duration

  • locking: take the wlock for the full hg remove duration

  • locking: take the wlock for the full hg forget duration

  • locking: take the wlock for the full hg addremove duration

  • locking: grab the wlock before touching the dirstate in perfdirstatewrite

  • locking: hold the wlock for the full duration of the “keyword demo”

  • mq: properly take the wlock during the full qfold operation

  • dirstate: invalidate the dirstate change on transaction failure

  • status: fix post status writing

  • status: fix post status invalidation

  • dirstate: avoid transaction backup/restore if we do not hold the lock

  • rollback: explicitly skip dirstate rollback when applicable

  • dirstate-guard: remove the feature

  • dirstate: make restorebackup more robust when it is a noop

  • dirstate: generalize the dirstate’s invalidation on transaction abort

  • dirstate: detect potential fishy transaction patterns while changing

  • mq: write the dirstate before stripping

  • dirstate: explicitly backup the datafile

  • localrepo: enforce a clean dirstate when the transaction open

  • localrepo: “blindly” do a dirstate backup at the end of the transaction

  • dirstate: remove the dedicated backup logic

  • rhg: fix a bug in path_encode

  • dirstate: invalidate on all exceptions

  • large-files: make sure we write newly initialized standin file early

  • dirstate: warn if dirty when starting an edition

  • dirstate: track that changes are pending in a transaction

  • dirstate: distinct transaction callback from largefile

  • automv: lock the repository before searching for renames

  • dirstate: only reload the dirstate when it may have changed

  • dirstate: cleanup the _map property cache

  • status: invalidate dirstate on LockError

  • dirstate: check that dirstate is clean at the initial context opening

  • dirstate: have running_status write the dirstate when holding the lock

  • dirstate: have running_status warn when exiting with a dirty dirstate

  • narrow: widden the lock context in tracking

  • narrow: enforce that narrow spec is written within a transaction

  • transaction: no longer explicitly cache phaseroots

  • transaction: no longer explicitly cache bookmarks

  • transaction: use the standard transaction mechanism to backup branch

  • bundlerepo: handle changegroup induced phase movement in the associated method

  • bundlerepo: apply phase data stored in the bundle instead of assuming draft

  • config-item: declare undeclared path suboption

  • narrow: read pending file when applicable

  • rust: fix building on macOS (issue6801)

  • run-tests: fix a crash when using the coverage options

  • undo-files: also remove the undo.backupfiles

  • undo-files: cleanup backup when cleaning undos

  • undo-files: clean existing files up before writing new one

  • undo-files: cleanup legacy files when applicable

  • dirstate-v2: fix an incorrect handling of readdir errors

  • rust: update zstd dependency

  • rust: upgrade rayon dependency

  • dirstate: fix the bug in [status] dealing with committed&ignored directories

  • dirstate: fix a potential traceback when in copy and rename

  • histedit: fix diff colors

  • cext: fix for PyLong refactoring in CPython 3.12

  • py3: fix for Python 3.12 emitting SyntaxWarning on invalid escape sequences

  • statprof: with Python 3.12, lineno is (more) often None

  • transaction: properly clean up backup file outside of .hg/store/

  • transaction: raise on backup restoration error

  • revlog: improve the robustness of the splitting process

  • debugdeltachain: stop summing the same chain over and over

  • url: don’t ignore timeout for https connections

  • py3: fix for Python 3.12 emitting SyntaxWarning on invalid escape sequences

  • tests: accept a test output change in [tests/test-serve.t]

  • rust: fix thread cap (for real this time)

  • dirstate: try refreshing the changelog when parent are unknown

  • hooks: invalidate the repo after the hooks

Backwards Compatibility Changes#

  • rust: upgrade supported Rust toolchain version

  • rust: move all crates in the main workspace to edition 2021

  • hg-core: upgrade zstd dependency

  • hg-core: upgrade clap dependency

  • hg-core: upgrade all remaining dependencies

  • hg-cpython: upgrade dependencies

  • rhg: upgrade clap dependency

  • rhg: upgrade the remainder of the dependencies

Internal API Changes#

  • Many APIs around the dirstate have been made much stricter with regards to locking and transaction handling

  • Some dirstate APIs have been renamed/removed

  • In both cases, you should get loud complaints in your tests if you do something wrong.

Miscellaneous#

  • pullbundle support no longer requires setting a server-side option, providing a .hg/pullbundles.manifest according to the syntax specified in ‘hg help -e clonebundles’ is enough.

  • debug-delta-find: add a –source option

  • delta-find: add debug information about reuse of cached data

  • delta-find: set the default candidate chunk size to 10

  • attr: vendor 22.1.0

  • configitems: add a default value for “merge-tools.xxx.regappend”

  • debugrevlog: display total stored information

  • emitrevision: if we need to compute a delta on the fly, try p1 or p2 first

  • emitrevision: consider ancestors revision to emit as available base

  • find-delta: pass the cache-delta usage policy alongside the cache-delta

  • delta-find: use a smarter object for snapshot caching

  • delta-find: use sets instead of list in the snapshot cache

  • delta-find: make sure we only use newer full snapshot as candidate

  • delta-find: use a single snapshot cache when applying a group to an object

  • bundleoperation: optionnaly record the remote that produced the bundle

  • bundle: when forcing acceptance of incoming delta also accept snapshot

  • bundle: emit full snapshot as is, without doing a redelta

  • pathutil: slightly faster path audit in the common case

  • merge: don’t pay for pathconflicts if there are none

  • merge: short-circuit the _checkfs loop upon getting ENOENT

  • merge: disable the whole filesystem access loop if [_realfs] is false

  • merge: cache the fs checks made during [_checkunknownfiles]

  • rust: use logging_timer instead of micro_timer

  • rust: run cargo clippy

  • makefile: add cargo clippy to tests if cargo is available

  • heptapod-ci: add clippy to the CI

  • convert: use a priority queue for sorting commits, to make sorting faster

  • delta-find: adjust the default candidate group chunk size

  • delta-find: declare the “paths..*:pulled-delta-reuse-policy option