upstream/mercurial-mirror Files · doc/hgrc.5.txt

======

hgrc

======

---------------------------------

configuration files for Mercurial

---------------------------------

:Author: Bryan O'Sullivan <bos@serpentine.com>

:Organization: Mercurial

:Manual section: 5

:Manual group: Mercurial Manual

.. contents::

:backlinks: top

:class: htmlonly

Synopsis

--------

The Mercurial system uses a set of configuration files to control

aspects of its behavior.

Files

-----

Mercurial reads configuration data from several files, if they exist.

The names of these files depend on the system on which Mercurial is

installed. ``*.rc`` files from a single directory are read in

alphabetical order, later ones overriding earlier ones. Where multiple

paths are given below, settings from earlier paths override later

ones.

| (Unix, Windows) ``<repo>/.hg/hgrc``

Per-repository configuration options that only apply in a

particular repository. This file is not version-controlled, and

will not get transferred during a "clone" operation. Options in

this file override options in all other configuration files. On

Unix, most of this file will be ignored if it doesn't belong to a

trusted user or to a trusted group. See the documentation for the

trusted_ section below for more details.

| (Unix) ``$HOME/.hgrc``

| (Windows) ``%USERPROFILE%\.hgrc``

| (Windows) ``%USERPROFILE%\Mercurial.ini``

| (Windows) ``%HOME%\.hgrc``

| (Windows) ``%HOME%\Mercurial.ini``

Per-user configuration file(s), for the user running Mercurial. On

Windows 9x, ``%HOME%`` is replaced by ``%APPDATA%``. Options in these

files apply to all Mercurial commands executed by this user in any

directory. Options in these files override per-system and per-installation

options.

| (Unix) ``/etc/mercurial/hgrc``

| (Unix) ``/etc/mercurial/hgrc.d/*.rc``

Per-system configuration files, for the system on which Mercurial

is running. Options in these files apply to all Mercurial commands

executed by any user in any directory. Options in these files

override per-installation options.

| (Unix) ``<install-root>/etc/mercurial/hgrc``

| (Unix) ``<install-root>/etc/mercurial/hgrc.d/*.rc``

Per-installation configuration files, searched for in the

directory where Mercurial is installed. ``<install-root>`` is the

parent directory of the **hg** executable (or symlink) being run. For

example, if installed in ``/shared/tools/bin/hg``, Mercurial will look

in ``/shared/tools/etc/mercurial/hgrc``. Options in these files apply

to all Mercurial commands executed by any user in any directory.

| (Windows) ``<install-dir>\Mercurial.ini``

| (Windows) ``<install-dir>\hgrc.d\*.rc``

| (Windows) ``HKEY_LOCAL_MACHINE\SOFTWARE\Mercurial``

Per-installation/system configuration files, for the system on

which Mercurial is running. Options in these files apply to all

Mercurial commands executed by any user in any directory. Registry

keys contain PATH-like strings, every part of which must reference

a ``Mercurial.ini`` file or be a directory where ``*.rc`` files will

be read. Mercurial checks each of these locations in the specified

order until one or more configuration files are detected. If the

pywin32 extensions are not installed, Mercurial will only look for

site-wide configuration in ``C:\Mercurial\Mercurial.ini``.

Syntax

------

A configuration file consists of sections, led by a ``[section]`` header

and followed by ``name = value`` entries (sometimes called

``configuration keys``)::

[spam]

eggs=ham

green=

eggs

Each line contains one entry. If the lines that follow are indented,

they are treated as continuations of that entry. Leading whitespace is

removed from values. Empty lines are skipped. Lines beginning with

``#`` or ``;`` are ignored and may be used to provide comments.

Configuration keys can be set multiple times, in which case mercurial

will use the value that was configured last. As an example::

[spam]

eggs=large

ham=serrano

eggs=small

This would set the configuration key named ``eggs`` to ``small``.

It is also possible to define a section multiple times. A section can

be redefined on the same and/or on different hgrc files. For example::

[foo]

eggs=large

ham=serrano

eggs=small

[bar]

eggs=ham

green=

eggs

[foo]

ham=prosciutto

eggs=medium

bread=toasted

This would set the ``eggs``, ``ham``, and ``bread`` configuration keys

of the ``foo`` section to ``medium``, ``prosciutto``, and ``toasted``,

respectively. As you can see there only thing that matters is the last

value that was set for each of the configuration keys.

If a configuration key is set multiple times in different

configuration files the final value will depend on the order in which

the different configuration files are read, with settings from earlier

paths overriding later ones as described on the ``Files`` section

above.

A line of the form ``%include file`` will include ``file`` into the

current configuration file. The inclusion is recursive, which means

that included files can include other files. Filenames are relative to

the configuration file in which the ``%include`` directive is found.

Environment variables and ``~user`` constructs are expanded in

``file``. This lets you do something like::

%include ~/.hgrc.d/$HOST.rc

to include a different configuration file on each computer you use.

A line with ``%unset name`` will remove ``name`` from the current

section, if it has been set previously.

The values are either free-form text strings, lists of text strings,

or Boolean values. Boolean values can be set to true using any of "1",

"yes", "true", or "on" and to false using "0", "no", "false", or "off"

(all case insensitive).

List values are separated by whitespace or comma, except when values are

placed in double quotation marks::

allow_read = "John Doe, PhD", brian, betty

Quotation marks can be escaped by prefixing them with a backslash. Only

quotation marks at the beginning of a word is counted as a quotation

(e.g., ``foo"bar baz`` is the list of ``foo"bar`` and ``baz``).

Sections

--------

This section describes the different sections that may appear in a

Mercurial "hgrc" file, the purpose of each section, its possible keys,

and their possible values.

``alias``

"""""""""

Defines command aliases.

Aliases allow you to define your own commands in terms of other

commands (or aliases), optionally including arguments.

Alias definitions consist of lines of the form::

<alias> = <command> [<argument]...

For example, this definition::

latest = log --limit 5

creates a new command ``latest`` that shows only the five most recent

changesets. You can define subsequent aliases using earlier ones::

stable5 = latest -b stable

.. note:: It is possible to create aliases with the same names as

existing commands, which will then override the original

definitions. This is almost always a bad idea!

``auth``

""""""""

Authentication credentials for HTTP authentication. Each line has

the following format::

where ``<name>`` is used to group arguments into authentication

entries. Example::

foo.prefix = hg.intevation.org/mercurial

foo.username = foo

foo.password = bar

foo.schemes = http https

bar.prefix = secure.example.org

bar.key = path/to/file.key

bar.cert = path/to/file.cert

bar.schemes = https

Supported arguments:

``prefix``

Either ``*`` or a URI prefix with or without the scheme part.

The authentication entry with the longest matching prefix is used

(where ``*`` matches everything and counts as a match of length

1). If the prefix doesn't include a scheme, the match is performed

against the URI with its scheme stripped as well, and the schemes

argument, q.v., is then subsequently consulted.

``username``

Optional. Username to authenticate with. If not given, and the

remote site requires basic or digest authentication, the user will

be prompted for it. Environment variables are expanded in the

username letting you do ``foo.username = $USER``.

``password``

Optional. Password to authenticate with. If not given, and the

remote site requires basic or digest authentication, the user

will be prompted for it.

``key``

Optional. PEM encoded client certificate key file. Environment

variables are expanded in the filename.

``cert``

Optional. PEM encoded client certificate chain file. Environment

variables are expanded in the filename.

``schemes``

Optional. Space separated list of URI schemes to use this

authentication entry with. Only used if the prefix doesn't include

a scheme. Supported schemes are http and https. They will match

static-http and static-https respectively, as well.

Default: https.

If no suitable authentication entry is found, the user is prompted

for credentials as usual if required by the remote.

``decode/encode``

"""""""""""""""""

Filters for transforming files on checkout/checkin. This would

typically be used for newline processing or other

localization/canonicalization of files.

Filters consist of a filter pattern followed by a filter command.

Filter patterns are globs by default, rooted at the repository root.

For example, to match any file ending in ``.txt`` in the root

directory only, use the pattern ``*.txt``. To match any file ending

in ``.c`` anywhere in the repository, use the pattern ``**.c``.

For each file only the first matching filter applies.

The filter command can start with a specifier, either ``pipe:`` or

``tempfile:``. If no specifier is given, ``pipe:`` is used by default.

A ``pipe:`` command must accept data on stdin and return the transformed

data on stdout.

Pipe example::

[encode]

# uncompress gzip files on checkin to improve delta compression

# note: not necessarily a good idea, just an example

*.gz = pipe: gunzip

[decode]

# recompress gzip files when writing them to the working dir (we

# can safely omit "pipe:", because it's the default)

*.gz = gzip

A ``tempfile:`` command is a template. The string ``INFILE`` is replaced

with the name of a temporary file that contains the data to be

filtered by the command. The string ``OUTFILE`` is replaced with the name

of an empty temporary file, where the filtered data must be written by

the command.

.. note:: The tempfile mechanism is recommended for Windows systems,

where the standard shell I/O redirection operators often have

strange effects and may corrupt the contents of your files.

This filter mechanism is used internally by the ``eol`` extension to

translate line ending characters between Windows (CRLF) and Unix (LF)

format. We suggest you use the ``eol`` extension for convenience.

``defaults``

""""""""""""

(defaults are deprecated. Don't use them. Use aliases instead)

Use the ``[defaults]`` section to define command defaults, i.e. the

default options/arguments to pass to the specified commands.

The following example makes :hg:`log` run in verbose mode, and

:hg:`status` show only the modified files, by default::

[defaults]

log = -v

status = -m

The actual commands, instead of their aliases, must be used when

defining command defaults. The command defaults will also be applied

to the aliases of the commands defined.

``diff``

""""""""

Settings used when displaying diffs. They are all Boolean and

defaults to False.

``git``

Use git extended diff format.

``nodates``

Don't include dates in diff headers.

``showfunc``

Show which function each change is in.

``ignorews``

Ignore white space when comparing lines.

``ignorewsamount``

Ignore changes in the amount of white space.

``ignoreblanklines``

Ignore changes whose lines are all blank.

``email``

"""""""""

Settings for extensions that send email messages.

``from``

Optional. Email address to use in "From" header and SMTP envelope

of outgoing messages.

``to``

Optional. Comma-separated list of recipients' email addresses.

``cc``

Optional. Comma-separated list of carbon copy recipients'

email addresses.

``bcc``

Optional. Comma-separated list of blind carbon copy recipients'

email addresses.

``method``

Optional. Method to use to send email messages. If value is ``smtp``

(default), use SMTP (see the SMTP_ section for configuration).

Otherwise, use as name of program to run that acts like sendmail

(takes ``-f`` option for sender, list of recipients on command line,

message on stdin). Normally, setting this to ``sendmail`` or

``/usr/sbin/sendmail`` is enough to use sendmail to send messages.

``charsets``

Optional. Comma-separated list of character sets considered

convenient for recipients. Addresses, headers, and parts not

containing patches of outgoing messages will be encoded in the

first character set to which conversion from local encoding

(``$HGENCODING``, ``ui.fallbackencoding``) succeeds. If correct

conversion fails, the text in question is sent as is. Defaults to

empty (explicit) list.

Order of outgoing email character sets:

1. ``us-ascii``: always first, regardless of settings

2. ``email.charsets``: in order given by user

3. ``ui.fallbackencoding``: if not in email.charsets

4. ``$HGENCODING``: if not in email.charsets

5. ``utf-8``: always last, regardless of settings

Email example::

[email]

from = Joseph User <joe.user@example.com>

method = /usr/sbin/sendmail

# charsets for western Europeans

# us-ascii, utf-8 omitted, as they are tried first and last

charsets = iso-8859-1, iso-8859-15, windows-1252

``extensions``

""""""""""""""

Mercurial has an extension mechanism for adding new features. To

enable an extension, create an entry for it in this section.

If you know that the extension is already in Python's search path,

you can give the name of the module, followed by ``=``, with nothing

after the ``=``.

Otherwise, give a name that you choose, followed by ``=``, followed by

the path to the ``.py`` file (including the file name extension) that

defines the extension.

To explicitly disable an extension that is enabled in an hgrc of

broader scope, prepend its path with ``!``, as in

``hgext.foo = !/ext/path`` or ``hgext.foo = !`` when path is not

supplied.

Example for ``~/.hgrc``::

[extensions]

# (the mq extension will get loaded from Mercurial's path)

hgext.mq =

# (this extension will get loaded from the file specified)

myfeature = ~/.hgext/myfeature.py

``format``

""""""""""

``usestore``

Enable or disable the "store" repository format which improves

compatibility with systems that fold case or otherwise mangle

filenames. Enabled by default. Disabling this option will allow

you to store longer filenames in some situations at the expense of

compatibility and ensures that the on-disk format of newly created

repositories will be compatible with Mercurial before version 0.9.4.

``usefncache``

Enable or disable the "fncache" repository format which enhances

the "store" repository format (which has to be enabled to use

fncache) to allow longer filenames and avoids using Windows

reserved names, e.g. "nul". Enabled by default. Disabling this

option ensures that the on-disk format of newly created

repositories will be compatible with Mercurial before version 1.1.

``dotencode``

Enable or disable the "dotencode" repository format which enhances

the "fncache" repository format (which has to be enabled to use

dotencode) to avoid issues with filenames starting with ._ on

Mac OS X and spaces on Windows. Enabled by default. Disabling this

option ensures that the on-disk format of newly created

repositories will be compatible with Mercurial before version 1.7.

``merge-patterns``

""""""""""""""""""

This section specifies merge tools to associate with particular file

patterns. Tools matched here will take precedence over the default

merge tool. Patterns are globs by default, rooted at the repository

root.

Example::

[merge-patterns]

**.c = kdiff3

**.jpg = myimgmerge

``merge-tools``

"""""""""""""""

This section configures external merge tools to use for file-level

merges.

Example ``~/.hgrc``::

[merge-tools]

# Override stock tool location

kdiff3.executable = ~/bin/kdiff3

# Specify command line

kdiff3.args = $base $local $other -o $output

# Give higher priority

kdiff3.priority = 1

# Define new tool

myHtmlTool.args = -m $local $other $base $output

myHtmlTool.regkey = Software\FooSoftware\HtmlMerge

myHtmlTool.priority = 1

Supported arguments:

``priority``

The priority in which to evaluate this tool.

Default: 0.

``executable``

Either just the name of the executable or its pathname. On Windows,

the path can use environment variables with ${ProgramFiles} syntax.

Default: the tool name.

``args``

The arguments to pass to the tool executable. You can refer to the

files being merged as well as the output file through these

variables: ``$base``, ``$local``, ``$other``, ``$output``.

Default: ``$local $base $other``

``premerge``

Attempt to run internal non-interactive 3-way merge tool before

launching external tool. Options are ``true``, ``false``, or ``keep``

to leave markers in the file if the premerge fails.

Default: True

``binary``

This tool can merge binary files. Defaults to False, unless tool

was selected by file pattern match.

``symlink``

This tool can merge symlinks. Defaults to False, even if tool was

selected by file pattern match.

``check``

A list of merge success-checking options:

``changed``

Ask whether merge was successful when the merged file shows no changes.

``conflicts``

Check whether there are conflicts even though the tool reported success.

``prompt``

Always prompt for merge success, regardless of success reported by tool.

``checkchanged``

True is equivalent to ``check = changed``.

Default: False

``checkconflicts``

True is equivalent to ``check = conflicts``.

Default: False

``fixeol``

Attempt to fix up EOL changes caused by the merge tool.

Default: False

``gui``

This tool requires a graphical interface to run. Default: False

``regkey``

Windows registry key which describes install location of this

tool. Mercurial will search for this key first under

``HKEY_CURRENT_USER`` and then under ``HKEY_LOCAL_MACHINE``.

Default: None

``regname``

Name of value to read from specified registry key. Defaults to the

unnamed (default) value.

``regappend``

String to append to the value read from the registry, typically

the executable name of the tool.

Default: None

``hooks``

"""""""""

Commands or Python functions that get automatically executed by

various actions such as starting or finishing a commit. Multiple

hooks can be run for the same action by appending a suffix to the

action. Overriding a site-wide hook can be done by changing its

value or setting it to an empty string.

Example ``.hg/hgrc``::

[hooks]

# update working directory after adding changesets

changegroup.update = hg update

# do not use the site-wide hook

incoming =

incoming.email = /my/email/hook

incoming.autobuild = /my/build/hook

Most hooks are run with environment variables set that give useful

additional information. For each hook below, the environment

variables it is passed are listed with names of the form ``$HG_foo``.

``changegroup``

Run after a changegroup has been added via push, pull or unbundle.

ID of the first new changeset is in ``$HG_NODE``. URL from which

changes came is in ``$HG_URL``.

``commit``

Run after a changeset has been created in the local repository. ID

of the newly created changeset is in ``$HG_NODE``. Parent changeset

IDs are in ``$HG_PARENT1`` and ``$HG_PARENT2``.

``incoming``

Run after a changeset has been pulled, pushed, or unbundled into

the local repository. The ID of the newly arrived changeset is in

``$HG_NODE``. URL that was source of changes came is in ``$HG_URL``.

``outgoing``

Run after sending changes from local repository to another. ID of

first changeset sent is in ``$HG_NODE``. Source of operation is in

``$HG_SOURCE``; see "preoutgoing" hook for description.

``post-<command>``

Run after successful invocations of the associated command. The

contents of the command line are passed as ``$HG_ARGS`` and the result

code in ``$HG_RESULT``. Parsed command line arguments are passed as

``$HG_PATS`` and ``$HG_OPTS``. These contain string representations of

the python data internally passed to <command>. ``$HG_OPTS`` is a

dictionary of options (with unspecified options set to their defaults).

``$HG_PATS`` is a list of arguments. Hook failure is ignored.

``pre-<command>``

Run before executing the associated command. The contents of the

command line are passed as ``$HG_ARGS``. Parsed command line arguments

are passed as ``$HG_PATS`` and ``$HG_OPTS``. These contain string

representations of the data internally passed to <command>. ``$HG_OPTS``

is a dictionary of options (with unspecified options set to their

defaults). ``$HG_PATS`` is a list of arguments. If the hook returns

failure, the command doesn't execute and Mercurial returns the failure

code.

``prechangegroup``

Run before a changegroup is added via push, pull or unbundle. Exit

status 0 allows the changegroup to proceed. Non-zero status will

cause the push, pull or unbundle to fail. URL from which changes

will come is in ``$HG_URL``.

``precommit``

Run before starting a local commit. Exit status 0 allows the

commit to proceed. Non-zero status will cause the commit to fail.

Parent changeset IDs are in ``$HG_PARENT1`` and ``$HG_PARENT2``.

``preoutgoing``

Run before collecting changes to send from the local repository to

another. Non-zero status will cause failure. This lets you prevent

pull over HTTP or SSH. Also prevents against local pull, push

(outbound) or bundle commands, but not effective, since you can

just copy files instead then. Source of operation is in

``$HG_SOURCE``. If "serve", operation is happening on behalf of remote

SSH or HTTP repository. If "push", "pull" or "bundle", operation

is happening on behalf of repository on same system.

``pretag``

Run before creating a tag. Exit status 0 allows the tag to be

created. Non-zero status will cause the tag to fail. ID of

changeset to tag is in ``$HG_NODE``. Name of tag is in ``$HG_TAG``. Tag is

local if ``$HG_LOCAL=1``, in repository if ``$HG_LOCAL=0``.

``pretxnchangegroup``

Run after a changegroup has been added via push, pull or unbundle,

but before the transaction has been committed. Changegroup is

visible to hook program. This lets you validate incoming changes

before accepting them. Passed the ID of the first new changeset in

``$HG_NODE``. Exit status 0 allows the transaction to commit. Non-zero

status will cause the transaction to be rolled back and the push,

pull or unbundle will fail. URL that was source of changes is in

``$HG_URL``.

``pretxncommit``

Run after a changeset has been created but the transaction not yet

committed. Changeset is visible to hook program. This lets you

validate commit message and changes. Exit status 0 allows the

commit to proceed. Non-zero status will cause the transaction to

be rolled back. ID of changeset is in ``$HG_NODE``. Parent changeset

IDs are in ``$HG_PARENT1`` and ``$HG_PARENT2``.

``preupdate``

Run before updating the working directory. Exit status 0 allows

the update to proceed. Non-zero status will prevent the update.

Changeset ID of first new parent is in ``$HG_PARENT1``. If merge, ID

of second new parent is in ``$HG_PARENT2``.

``tag``

Run after a tag is created. ID of tagged changeset is in ``$HG_NODE``.

Name of tag is in ``$HG_TAG``. Tag is local if ``$HG_LOCAL=1``, in

repository if ``$HG_LOCAL=0``.

``update``

Run after updating the working directory. Changeset ID of first

new parent is in ``$HG_PARENT1``. If merge, ID of second new parent is

in ``$HG_PARENT2``. If the update succeeded, ``$HG_ERROR=0``. If the

update failed (e.g. because conflicts not resolved), ``$HG_ERROR=1``.

.. note:: It is generally better to use standard hooks rather than the

generic pre- and post- command hooks as they are guaranteed to be

called in the appropriate contexts for influencing transactions.

Also, hooks like "commit" will be called in all contexts that

generate a commit (e.g. tag) and not just the commit command.

.. note:: Environment variables with empty values may not be passed to

hooks on platforms such as Windows. As an example, ``$HG_PARENT2``

will have an empty value under Unix-like platforms for non-merge

changesets, while it will not be available at all under Windows.

The syntax for Python hooks is as follows::

hookname = python:modulename.submodule.callable

hookname = python:/path/to/python/module.py:callable

Python hooks are run within the Mercurial process. Each hook is

called with at least three keyword arguments: a ui object (keyword

``ui``), a repository object (keyword ``repo``), and a ``hooktype``

keyword that tells what kind of hook is used. Arguments listed as

environment variables above are passed as keyword arguments, with no

``HG_`` prefix, and names in lower case.

If a Python hook returns a "true" value or raises an exception, this

is treated as a failure.

``http_proxy``

""""""""""""""

Used to access web-based Mercurial repositories through a HTTP

proxy.

``host``

Host name and (optional) port of the proxy server, for example

"myproxy:8000".

``no``

Optional. Comma-separated list of host names that should bypass

the proxy.

``passwd``

Optional. Password to authenticate with at the proxy server.

``user``

Optional. User name to authenticate with at the proxy server.

``always``

Optional. Always use the proxy, even for localhost and any entries

in ``http_proxy.no``. True or False. Default: False.

``smtp``

""""""""

Configuration for extensions that need to send email messages.

``host``

Host name of mail server, e.g. "mail.example.com".

``port``

Optional. Port to connect to on mail server. Default: 25.

``tls``

Optional. Whether to connect to mail server using TLS. True or

False. Default: False.

``username``

Optional. User name for authenticating with the SMTP server.

Default: none.

``password``

Optional. Password for authenticating with the SMTP server. If not

specified, interactive sessions will prompt the user for a

password; non-interactive sessions will fail. Default: none.

``local_hostname``

Optional. It's the hostname that the sender can use to identify

itself to the MTA.

``patch``

"""""""""

Settings used when applying patches, for instance through the 'import'

command or with Mercurial Queues extension.

``eol``

When set to 'strict' patch content and patched files end of lines

are preserved. When set to ``lf`` or ``crlf``, both files end of

lines are ignored when patching and the result line endings are

normalized to either LF (Unix) or CRLF (Windows). When set to

``auto``, end of lines are again ignored while patching but line

endings in patched files are normalized to their original setting

on a per-file basis. If target file does not exist or has no end

of line, patch line endings are preserved.

Default: strict.

``paths``

"""""""""

Assigns symbolic names to repositories. The left side is the

symbolic name, and the right gives the directory or URL that is the

location of the repository. Default paths can be declared by setting

the following entries.

``default``

Directory or URL to use when pulling if no source is specified.

Default is set to repository from which the current repository was

cloned.

``default-push``

Optional. Directory or URL to use when pushing if no destination

is specified.

``profiling``

"""""""""""""

Specifies profiling format and file output. In this section

description, 'profiling data' stands for the raw data collected

during profiling, while 'profiling report' stands for a statistical

text report generated from the profiling data. The profiling is done

using lsprof.

``format``

Profiling format.

Default: text.

``text``

Generate a profiling report. When saving to a file, it should be

noted that only the report is saved, and the profiling data is

not kept.

``kcachegrind``

Format profiling data for kcachegrind use: when saving to a

file, the generated file can directly be loaded into

kcachegrind.

``output``

File path where profiling data or report should be saved. If the

file exists, it is replaced. Default: None, data is printed on

stderr

``server``

""""""""""

Controls generic server settings.

``uncompressed``

Whether to allow clients to clone a repository using the

uncompressed streaming protocol. This transfers about 40% more

data than a regular clone, but uses less memory and CPU on both

server and client. Over a LAN (100 Mbps or better) or a very fast

WAN, an uncompressed streaming clone is a lot faster (~10x) than a

regular clone. Over most WAN connections (anything slower than

about 6 Mbps), uncompressed streaming is slower, because of the

extra data transfer overhead. This mode will also temporarily hold

the write lock while determining what data to transfer.

Default is True.

``validate``

Whether to validate the completeness of pushed changesets by

checking that all new file revisions specified in manifests are

present. Default is False.

``subpaths``

""""""""""""

Defines subrepositories source locations rewriting rules of the form::

Where ``pattern`` is a regular expression matching the source and

``replacement`` is the replacement string used to rewrite it. Groups

can be matched in ``pattern`` and referenced in ``replacements``. For

instance::

http://server/(.*)-hg/ = http://hg.server/\1/

rewrites ``http://server/foo-hg/`` into ``http://hg.server/foo/``.

All patterns are applied in definition order.

``trusted``

"""""""""""

Mercurial will not use the settings in the

``.hg/hgrc`` file from a repository if it doesn't belong to a trusted

user or to a trusted group, as various hgrc features allow arbitrary

commands to be run. This issue is often encountered when configuring

hooks or extensions for shared repositories or servers. However,

the web interface will use some safe settings from the ``[web]``

section.

This section specifies what users and groups are trusted. The

current user is always trusted. To trust everybody, list a user or a

group with name ``*``. These settings must be placed in an

*already-trusted file* to take effect, such as ``$HOME/.hgrc`` of the

user or service running Mercurial.

``users``

Comma-separated list of trusted users.

``groups``

Comma-separated list of trusted groups.

``ui``

""""""

User interface controls.

``archivemeta``

Whether to include the .hg_archival.txt file containing meta data

(hashes for the repository base and for tip) in archives created

by the :hg:`archive` command or downloaded via hgweb.

Default is True.

``askusername``

Whether to prompt for a username when committing. If True, and

neither ``$HGUSER`` nor ``$EMAIL`` has been specified, then the user will

be prompted to enter a username. If no username is entered, the

default ``USER@HOST`` is used instead.

Default is False.

``debug``

Print debugging information. True or False. Default is False.

``editor``

The editor to use during a commit. Default is ``$EDITOR`` or ``vi``.

``fallbackencoding``

Encoding to try if it's not possible to decode the changelog using

UTF-8. Default is ISO-8859-1.

``ignore``

A file to read per-user ignore patterns from. This file should be

in the same format as a repository-wide .hgignore file. This

option supports hook syntax, so if you want to specify multiple

ignore files, you can do so by setting something like

``ignore.other = ~/.hgignore2``. For details of the ignore file

format, see the |hgignore(5)|_ man page.

``interactive``

Allow to prompt the user. True or False. Default is True.

``logtemplate``

Template string for commands that print changesets.

``merge``

The conflict resolution program to use during a manual merge.

For more information on merge tools see :hg:`help merge-tools`.

For configuring merge tools see the merge-tools_ section.

``patch``

command to use to apply patches. Look for ``gpatch`` or ``patch`` in

PATH if unset.

``quiet``

Reduce the amount of output printed. True or False. Default is False.

``remotecmd``

remote command to use for clone/push/pull operations. Default is ``hg``.

``report_untrusted``

Warn if a ``.hg/hgrc`` file is ignored due to not being owned by a

trusted user or group. True or False. Default is True.

``slash``

Display paths using a slash (``/``) as the path separator. This

only makes a difference on systems where the default path

separator is not the slash character (e.g. Windows uses the

backslash character (``\``)).

Default is False.

``ssh``

command to use for SSH connections. Default is ``ssh``.

``strict``

Require exact command names, instead of allowing unambiguous

abbreviations. True or False. Default is False.

``style``

Name of style to use for command output.

``timeout``

The timeout used when a lock is held (in seconds), a negative value

means no timeout. Default is 600.

``traceback``

Mercurial always prints a traceback when an unknown exception

occurs. Setting this to True will make Mercurial print a traceback

on all exceptions, even those recognized by Mercurial (such as

IOError or MemoryError). Default is False.

``username``

The committer of a changeset created when running "commit".

Typically a person's name and email address, e.g. ``Fred Widget

<fred@example.com>``. Default is ``$EMAIL`` or ``username@hostname``. If

the username in hgrc is empty, it has to be specified manually or

in a different hgrc file (e.g. ``$HOME/.hgrc``, if the admin set

``username =`` in the system hgrc). Environment variables in the

username are expanded.

``verbose``

Increase the amount of output printed. True or False. Default is False.

``web``

"""""""

Web interface configuration.

``accesslog``

Where to output the access log. Default is stdout.

``address``

Interface address to bind to. Default is all.

``allow_archive``

List of archive format (bz2, gz, zip) allowed for downloading.

Default is empty.

``allowbz2``

(DEPRECATED) Whether to allow .tar.bz2 downloading of repository

revisions.

Default is False.

``allowgz``

(DEPRECATED) Whether to allow .tar.gz downloading of repository

revisions.

Default is False.

``allowpull``

Whether to allow pulling from the repository. Default is True.

``allow_push``

Whether to allow pushing to the repository. If empty or not set,

push is not allowed. If the special value ``*``, any remote user can

push, including unauthenticated users. Otherwise, the remote user

must have been authenticated, and the authenticated user name must

be present in this list. The contents of the allow_push list are

examined after the deny_push list.

``allow_read``

If the user has not already been denied repository access due to

the contents of deny_read, this list determines whether to grant

repository access to the user. If this list is not empty, and the

user is unauthenticated or not present in the list, then access is

denied for the user. If the list is empty or not set, then access

is permitted to all users by default. Setting allow_read to the

special value ``*`` is equivalent to it not being set (i.e. access

is permitted to all users). The contents of the allow_read list are

examined after the deny_read list.

``allowzip``

(DEPRECATED) Whether to allow .zip downloading of repository

revisions. Default is False. This feature creates temporary files.

``baseurl``

Base URL to use when publishing URLs in other locations, so

third-party tools like email notification hooks can construct

URLs. Example: ``http://hgserver/repos/``.

``cacerts``

Path to file containing a list of PEM encoded certificate authority

certificates. If specified on the client, then it will verify the identity

of remote HTTPS servers with these certificates. The form must be

as follows::

-----BEGIN CERTIFICATE-----

... (certificate in base64 PEM encoding) ...

-----END CERTIFICATE-----

-----BEGIN CERTIFICATE-----

... (certificate in base64 PEM encoding) ...

-----END CERTIFICATE-----

This feature is only supported when using Python 2.6 or later. If you wish

to use it with earlier versions of Python, install the backported

version of the ssl library that is available from

``http://pypi.python.org``.

You can use OpenSSL's CA certificate file if your platform has one.

On most Linux systems this will be ``/etc/ssl/certs/ca-certificates.crt``.

Otherwise you will have to generate this file manually.

``contact``

Name or email address of the person in charge of the repository.

Defaults to ui.username or ``$EMAIL`` or "unknown" if unset or empty.

``deny_push``

Whether to deny pushing to the repository. If empty or not set,

push is not denied. If the special value ``*``, all remote users are

denied push. Otherwise, unauthenticated users are all denied, and

any authenticated user name present in this list is also denied. The

contents of the deny_push list are examined before the allow_push list.

``deny_read``

Whether to deny reading/viewing of the repository. If this list is

not empty, unauthenticated users are all denied, and any

authenticated user name present in this list is also denied access to

the repository. If set to the special value ``*``, all remote users

are denied access (rarely needed ;). If deny_read is empty or not set,

the determination of repository access depends on the presence and

content of the allow_read list (see description). If both

deny_read and allow_read are empty or not set, then access is

permitted to all users by default. If the repository is being

served via hgwebdir, denied users will not be able to see it in

the list of repositories. The contents of the deny_read list have

priority over (are examined before) the contents of the allow_read

list.

``descend``

hgwebdir indexes will not descend into subdirectories. Only repositories

directly in the current path will be shown (other repositories are still

available from the index corresponding to their containing path).

``description``

Textual description of the repository's purpose or contents.

Default is "unknown".

``encoding``

Character encoding name. Default is the current locale charset.

Example: "UTF-8"

``errorlog``

Where to output the error log. Default is stderr.

``hidden``

Whether to hide the repository in the hgwebdir index.

Default is False.

``ipv6``

Whether to use IPv6. Default is False.

``name``

Repository name to use in the web interface. Default is current

working directory.

``maxchanges``

Maximum number of changes to list on the changelog. Default is 10.

``maxfiles``

Maximum number of files to list per changeset. Default is 10.

``port``

Port to listen on. Default is 8000.

``prefix``

Prefix path to serve from. Default is '' (server root).

``push_ssl``

Whether to require that inbound pushes be transported over SSL to

prevent password sniffing. Default is True.

``staticurl``

Base URL to use for static files. If unset, static files (e.g. the

hgicon.png favicon) will be served by the CGI script itself. Use

this setting to serve them directly with the HTTP server.

Example: ``http://hgserver/static/``.

``stripes``

How many lines a "zebra stripe" should span in multiline output.

Default is 1; set to 0 to disable.

``style``

Which template map style to use.

``templates``

Where to find the HTML templates. Default is install path.

Author

------

Bryan O'Sullivan <bos@serpentine.com>.

Mercurial was written by Matt Mackall <mpm@selenic.com>.

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