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This wiki document explains how to setup Mercurial on Ubuntu. The intended audience is experienced Linux users and system administrators.

Introduction

If you are new to Mercurial this section provides a quick introduction. Mercurial is a fast, lightweight Source Control Management system designed for the efficient handling of very large distributed projects.

Assumptions

It is assumed that you are aware of how to run Linux commands, edit files, start/stop services in an Ubuntu system. It is also assumed that Ubuntu is running, you have sudo access and you want to use Mercurial software. It is also assumed you have an internet connection.

Scope of this document

To install and configure Mercurial, as well as to install some useful extensions

Installation

Mercurial is included in the Universe repository - activate this repo first (if you haven't already). Once you've finished simply execute. We will also install meld, which is a graphical merge tool useful for resolving conflicting changes.

    $ sudo apt-get install mercurial meld

If it fails reporting dependencies, please locate the packages and install them. If it reports any other issues, please resolve them. If you cannot resolve the issue, please refer the mailing list archive of those packages.

Configuration

The default Mercurial installation puts a blank config file in /etc/mercurial called 'hgrc'. We will add some parameters to this file to tweak how Mercurial works. Copy and Past the following into /etc/mercurial/hgrc:

# system-wide mercurial configuration file
# See hgrc(5) for more information

# User Interface settings
[ui]
username= Your Name <[email protected]>
editor=nano
merge=meld

# Enabled extensions
[extensions]
hgext.gpg=
hgext.convert=

# GPG extension settings
[gpg]
key=<your private gpg key>

This sets the default username so that your name will show up on changesets you issue, changes the text editor to nano (default is vi) and sets meld as the merge program. This also enables some useful extensions: GPG allows changesets to be cryptographically signed, while Convert allows Mercurial repositories to be created from existing CVS, SVN, or git repositories.

References

• Mercurial Homepage
• Using Extensions
• GPG Extension
• Convert Extension

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