= 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