Release Notes

Features and bugfixes in our latest releases.

Be sure to read the upgrade notes when upgrading.

(See archive for older versions.)

1. 1.7 (2010-11-01)

1.1. Core

• filelog: improve cmp performances (issue2273)

• patch: don't strip '#' lines from patch descriptions (issue2417)

• patch: when native patching fails (ui.patch is not set), don't retry with an external tool
• setup/hg: always load Mercurial from where it was installed.
• setup: user-friendly error message if Python headers are missing

• store: new unsupported and experimental parentdelta format (see UpgradeNotes)

• store: encode first period or space in filenames (issue1713)

• url: expand environment variables in [auth] settings (issue2328)

• url: check validity (notBefore/notAfter) using OpenSSL (issue2407)

1.2. Commands

• addremove: use similarity 100 by default
• alias: add support for shell command aliases starting with '!' (see [alias] in hgrc(5))
• backout: add --tool argument for specifying merge tool
• backout: backout linearly by default instead of branching and merging (use --merge to get the former behaviour)

• dispatch: properly handle relative path aliases used with -R (issue2376)

• init: expand destination url as a configured paths

• log: do not --follow file that is deleted and recreated later (issue732)

• merge: don't detect copies as "divergent renames", make error message more helpful
• merge: add --tool argument to merge and resolve

• merge: handle no file parent in backwards merge (issue2364)

• tags: do not fail if tags.cache is corrupted (issue2444)

• templater: add "hex" filter and "children" keywords (see hg help templating)

1.3. Subrepos

• support remapping of subrepository source paths (see [subpaths] in hgrc(5))
• make add, diff, incoming, outgoing and status commands recurse into subrepos with --subrepos/-S
• subrepo: add support for 'hg archive'

• subrepo: fix status check on SVN subrepos (issue2445)

1.4. Revsets

• add id() and rev() to allow explicit references to changes by hash or rev (see hg help revsets)
• add min() function to complement max()
• add present() function to avoid lookup errors on possibly missing changesets
• rename tagged() to tag() and allow it to take an optional tag name
• strip: add revsets support

• add revsets support to bisect and update (issue1993)

• bookmarks: add a bookmark([name]) revset for referencing bookmarks
• transplant: add a transplanted(set) revset to get transplanted revisions

1.5. hgweb

• add a help view for accessing the built-in documentation (see help link in hg serve)
• let HTTPS serve use more compatible but less secure encryption

• support very simple caching model (issue1845)

1.6. Extensions

• color: better support for branches and mq guards

• convert: handle closed branch heads in hg-hg conversion (issue2185)

• convert: support darcs changelogs with bytes 0x7F-0xFF (issue2411)

• convert: deprecate --authors in preference for --authormap

• graphlog: support header and footer templates when using styles (issue2395)

• keyword: do not expand at all during diff
• keyword: support copy and rename

• mq: extend support for the --mq argument to extension commands

• mq: save qrefresh message for easy recovery in case it fails (issue2062)

• mq: support hg qimport --existing --name renametothis thatexistingpatch, fix --force case on Windows

• mq/qqueue: support renaming of active queue

• mq/qqueue: add --purge option to delete a queue and its patches

• pager: add global --pager=<auto/boolean> option

• patchbomb: add --confirm option to show series details and ask for confirmation

• patchbomb: let diffstat prompt only once with complete summary
• progress: support rebase and patchbomb
• rebase: re-add patches to mq repo after rebase

• strip: add --keep flag to avoid modifying working directory during strip

• strip: rename --nobackup option to --no-backup (issue2377)

• strip: support stripping multiple revisions

1.7. contrib

• mergetools.hgrc: add vimdiff
• zsh completion: support bookmarks and patchbomb extensions
• zsh completion: add qpush --move option

1.8. Windows

• 64-bit Inno Setup installer

• handle spaces in path to Python (issue2074)

2. 1.6.4 (2010-10-01)

This is a monthly bugfix release.

• archive: set date to 1980 for very old zip files

• bookmarks: fix _bookmarks/lookup() reentrancy issue (issue2016)

• color: add win32 support for non-black background

• context: fix filectx.undelete() (issue2388)

• convert/darcs: handle non-ASCII metadata in darcs changelog (issue2354)

• convert/svn: fix broken symlink renames in svn sink
• core: use lexists() instead of exists() where appropriate
• hgweb: Fix memory leak when using hg commands over http repositories
• hgweb: correct Content-Type header values for archive downloads

• log: include unmodified-in-merge files in log diff/stat (issue2383)

• mq: always require --force when pushing patches (issue2363)

• patch: do not overwrite broken untracked symlinks

• patch: fix rename text to binary file (issue2400)

• patch: fix target when patching broken symlinks (issue2368)

• patch: upgrade to git patch when removing binary file
• rename: do not overwrite existing broken symlinks

• url: verify correctness of https server certificates (issue2407)

• util: avoid using hashlib on Python < 2.5 (issue2278)

• verify: fix "missing revlog!" errors for revlog format v0 and add test
• win32: add Emacs scripts to Inno Setup installer
• win32: add hgweb scripts to Inno Setup installer

3. 1.6.3 (2010-08-26)

This is a monthly bugfix release. It includes several significant fixes, including a fix for a long-standing hardlink corruption issue on Windows (issue761).

• alias: make shadowing behavior more consistent (issue2054)

• bisect: better message for unrelated starting revisions
• bookmarks: Check if the bookmark to delete exists on the remote
• bookmarks: guard against listing bookmarks on unsupported repos
• chunkbuffer: use += rather than cStringIO to reduce memory footprint
• convert: Using --dest-type svn crashed, if the source repo used tags.
• convert: properly set encoding for gnuarch converter
• convert: use encoding.encoding instead of locale.getpreferredencoding()
• encoding: improve handling of buggy getpreferredencoding() on Mac OS X
• graphlog: mark --branch as incompatible with --graph

• http basic auth: reset redirect counter on new requests (issue2255)

• httprepo: decompress stream incrementally to reduce memory usage
• log: fix the bug 'hg log --stat -p == hg log --stat'
• mercurial.spec: gettext is a build requirement for getting proper localization
• merge: drop reference to file contents after write

• merge: move reverse-merge logic out of filemerge (issue2342)

• merge: fix detection of conflict markers with checkconflicts enabled

• mq: don't inherit default and default-push paths with --mq (issue2333)

• resolve: updated help documentation for improved clarity
• revlog: drop cache after use to save memory footprint
• templatefilters: unnest uescape()

• templates: add filenolink to raw style (issue2332)

• url: expand vars in all [auth] settings (issue2328)

• url: limit expansion to safe auth keys (Issue2328)

• util: avoid using hashlib on Python < 2.5 (issue2278)

• verify: initialize rp variable in case we hit out of memory
• verify: reduce memory footprint when unpacking files
• verify: report exceptions that don't have a str() method

• win32: correctly break hardlinks on network drives (issue761)

4. 1.6.2 (2010-08-02)

This release addresses a regression in the color extension.

• color: pass write/write_err to win32print correctly (issue2312)

• convert/progress: use plural and avoid retrieving
• color: call correct superclass method in write_err

5. 1.6.1 (2010-08-01)

This is a scheduled monthly minor bugfix release.

• alias: ensure checksignature() is applied directly to the command (issue2286)

• bash/zsh completion: use HGPLAIN when invoking hg (issue2297)

• bookmarks: don't allow name to contain whitespaces only
• bookmarks: ensure current bookmark is updated when specified with -r .
• bundle: lookup revisions after addbranchrevs

• color/progress: subclass ui instead of using wrapfunction (issue2096)

• commit: only warn when reopening the workdir's branch

• dispatch: give better error message when cwd doesn't exist (issue2293)

• doc: make sure we use our own code for generating man pages

• filelog: cmp: don't read data if hashes are identical (issue2273)

• filelog: test behaviour for data starting with "\1\n"

• hg.clone: fix branch value when passing a repo object (issue2267)

• hgweb.wsgi: add a URL to the corresponding wiki documentation
• hgwebdir: allow pure relative globs in paths

• hgwebdir: use template paths configured in the hgrc (issue2281)

• init: create target directory recursively

• inotify: check all components of filenames against hgignore (issue884)

• keyword: move collecting of [keyword] patterns to reposetup (issue2303)

• log: fix missing diff output for hg log -p in subdirectory

• log: follow filenames through renames (issue647)

• mail: ensure that Python2.4 to 2.7 use the same header format

• mercurial.spec: rename docutils to python-docutils in BuildRequires

• mq: clarify the fact that qimport is trying to read a file

• mq: cleanup status if applied mq is stripped (issue1881)

• mq: fixed ENOENT when qrename to new/directory.patch
• mq: reset self.added after the mq transaction instead of inside qimport
• qpush --move: move the right patch even with comment lines
• rebase: re-add patches to mq repo after rebase

• revert: rename original to .orig instead of copying (issue2282)

• revset: fix ancestor subset handling (issue2298)

• runrst: try to be more helpful if docutils is not installed

• tag: do not allow tag names to consist solely of whitespace (issue2307)

• transplant: crash if repo.commit() finds nothing to commit

6. 1.6 (2010-07-01)

(This release makes a couple small behavior changes, be sure to read UpgradeNotes!)

6.1. Core

• addremove: optimize addremove -s100 by matching files by their SHA1 hashes

• archive: auto-detect archive type by extension (issue2058)

• commit: more friendly handling of new and closed named branches
• hooks: provide pre- and post- hooks with parsed command line arguments

• log: add --branch for filtering on named branch

• log: add --stat for diffstat output

• push: add --new-branch option to allow initial push of new branches

• push: break infinite http recursion bug with Python 2.6.5 (issue2179)

• rollback: add -n/--dry-run flag, report what's being rolled back

• subrepo: various fixes
• summary: report copies and renames and add subrepo status

• tag: add -e/--edit option for modifying the commit message

• revsets: introduce a powerful query language for specifying revisions, see the manpage or hg help revsets

6.2. Hgweb

• unify and simplify hgweb.cgi and hgwebdir.cgi scripts

• fix race in refreshing repo list (issue2188)

• simplify hgweb.cgi, add help pointer

• deliver shell hook output to client

• allow --port=0 to specify "choose free port number automatically"

• improved templater performance

6.3. Help

• add new hgweb, glossary, and revsets topics
• numerous improvements to help text

6.4. Extensions

• acl: support for access control base on branches and user-defined or OS-level groups

• acl: added support for pretxncommit, so that one can call the ACL hook at (?)

• bookmarks: add support for pushing and pulling bookmarks
• churn: add possibility to include/exclude paths
• color: add support for Windows consoles
• color: colorize based on output labels instead of parsing output

• extdiff: add labels, read diff arguments from [merge-tools]

• keyword: offer svn-like default keywordmaps
• keyword: support (q)record
• mq: add a line to hg summary

• mq: qpush --move, reorder patch series and apply only the patch

• progress: progress support for many more commands
• rebase: add option to not commit after a collapsing

7. 1.5.4 (2010-06-01)

This is a scheduled monthly minor bugfix release.

• dispatch: include Python version in traceback
• push: update help
• status: avoid performance regression when no .hgsub is present
• clone: fix performance issue with hardlinks and Windows shares

• hgweb: fix race in refreshing repo list (issue2188)

• hgrc: clarify that hgrc keys can be overridden and sections can be split

• eol: new extension for managing file newlines based on a version controlled configuration file

• pager: fork and exec pager as parent process with /bin/sh -c
• rebase: stress that only local changesets should be rebased

• convert/svn: close gettags() log stream (issue2196)

• record: check that we are not committing a merge before patch selection

8. 1.5.3 (2010-05-13)

This is an unscheduled bugfix release to fix issue2181 (commit generates traceback on Nonetype). Also included:

• various improvements to SVN conversion support
• minor doc improvements

9. 1.5.2 (2010-05-01)

This is a monthly bugfix release with numerous minor fixes including:

9.1. Core

• clone: fix URL too long problem with many heads
• commands: revised documentation of 'default' and 'default-push'
• copies: properly visit file context ancestors on working file contexts
• diffstat: use ui.plain() instead of ui.interactive()
• dirstate: fix in memory dirstate entries for 1-second race

• dispatch: don't mangle ImportError abort messages

• filemerge: use working dir parent as ancestor for backward wdir merge
• hgrc.5: describe form of config values and mention lists as well

• hgweb: fix attribute error in error response (issue2060)

• log: document the new xml style
• merge: correctly compute the flag for noexec filesystems
• patch: don't look for headers in diff lines
• push: fix bug in warning message selection

• revlog: fix lazyparser.iter() to return all revisions (issue2137)

• static-http: allow clone -r (issue2164)

• subrepo: fix repo root path handling in svn subrepo
• subrepo: propagate and catch push failures
• templates: document missing template variables
• util: fix default termwidth() under Windows
• util: use an explicit prefix for checkexec/checklink temporary files

9.2. Extensions

• convert/cvs: skip bad tags
• convert/git: check status when reading output stream
• convert/subversion: fix default URL checker prototype
• mq: rewrite strip docstrings
• mq: use util.unlink instead of os.unlink and os.removedirs

• schemes: fix // breakage with Python 2.6.5 (issue2111)

10. 1.5.1 (2010-04-01)

10.1. Core

• improve warning on adding large files
• expand ~ in auth filenames and aliases
• several improvements to patch parsing
• warn about attempts to use hg branch to switch branches
• push: fix bug in prepush logic and its tests
• hgweb: fix broken URLs of RSS/Atom feeds
• subrepo: several bug fixes

10.2. Extensions

• acl: added support for '*' (everyone) in user list
• progress: use stderr instead of stdout
• schemes: add Kiln On Demand to default schemes

11. 1.5 (2010-03-06)

(This release makes a number of small behavior changes, be sure to read UpgradeNotes!)

11.1. Core

• improved behavior for named branches with heads command

• new XML output template for logs

• import extract multiple patches from emails, mboxes, files, and URLs

• new patch.eol=auto option to ignore patch line-endings while preserving target file endings.

• new -b/--branch option for clone, bundle, incoming, outgoing, pull, and push

• new server.validate option to validate completeness of pushed changesets

• subrepos now has basic Subversion support
• support for SSL server certificates and improved IPv6 support

• the HGPLAIN environment variable makes output more stable for scripts

11.2. Extensions

• new progress bar extension

• mq: new --mq option to make regular commands operate on queue repository

• mq: automatically upgrade conventional patches to git format where needed

• color: add support for bookmarks, resolve -l, and churn --diffstat

• convert: two CVS history editing hooks
• win32mbcs: add configuration to specify path encoding
• zeroconf: many bug fixes

• rebase: new --detach option for rebase

11.3. Web Interface

• improve navigation on log and graph pages
• support for pluggable authorization
• raw templates for tags/branches pages
• add wsgi script for Microsoft IIS with isapi-wsgi

11.4. Windows

• add WiX installer scripts to contrib/wix

• handle configuration files in <install-dir>\hgrc.d

• expand environment variables specified in merge tools paths

11.5. Help and Documentation

• greatly improve error messages and command documentation
• support extended documentation with --verbose
• provide help for disabled extensions and commands

12. See also

• Upgrade notes describe possible compatibility issues

• Advice on upgrading Mercurial

• Archive of older release notes

• Our time-based release plan

• API Changes for developers of third-party extensions

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