4. A Quick Start Guide to TortoiseHg — TortoiseHg 3.3.0 documentation

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# 4. A Quick Start Guide to TortoiseHg

Welcome to TortoiseHg and the Mercurial! TortoiseHg is a set of graphical applications and Windows Explorer shell extension that serve as a friendly front-end to the Mercurial distributed version control system (DVCS).

All TortoiseHg functionality is reachable from 3 places:

1. The Workbench application

   You can start the Workbench from the Start Menu, or by right clicking on the Desktop and selecting Hg Workbench.

   Start the Workbench from the Desktop

2. The Explorer context menu

   All you have to do is right click on the right folder or files in Explorer, and select a context menu entry.

3. The thg command line application

   Type the appropriate commands from any command line interface, in the form `thg <command> [options]`.

In this quick guide we would like to make you get started using the Workbench application, but we will also indicate how to do the same with the other possibilities.

Mercurial commands are also available from the standard hg command line application.

## 4.1. Configuring TortoiseHg

Your first step should be to make sure that you are correctly identified to TortoiseHg. You do this by opening the global settings dialog.

Workbench: select File ‣ Settings... from the menu

Explorer: choose TortoiseHg ‣ Global Settings from the context menu

Command line: type thg userconfig

This opens the TortoiseHg settings dialog, editing your global (user) configuration.

TortoiseHg Settings Dialog

First select the Commit page and enter a name in the Username field.

Note

If you neglect to configure a username TortoiseHg will ask you to enter one when you try to commit, which is the first time a username is actually required.

Note

There are no hard fast rules on how to format your username, the field is free form, but the following convention is commonly used:

    FullName <email>

for example

    Donald Duck <donaldduck@example.net>

The email address is stripped when viewing history in the revision history viewer, and the built-in web server obfuscates email addresses to prevent SPAM.

Next, select the TortoiseHg page and select the Three-way Merge Tool entry. In the drop down list you will find all of the merge tools detected on your computer (kdiff3 is provided by the Windows installer) and a number of internal merge behaviors. Select your preferred merge tool.

If you prefer for TortoiseHg to also use your selected merge tool for visual diffs, you can leave the Visual Diff Tool unspecified. Otherwise, select your favorite visual diff tool from the drop down list of detected visual diff tools.

If there are no options in either drop-down list, you must install a diff/merge tool that is supported by our mergetools.rc or configure your own tool.

Note

If you installed TortoiseHg from source, you need to add our `contrib/mergetools.ini` file to your HGRC path in some way. One approach is to %include it from your `~/.hgrc` file.

Feel free to configure other global settings while you have the dialog open. You will have the chance later to override these global settings with repository local settings, if required.

Click the OK button to save the changes you have made and close the settings dialog.

Note

Most TortoiseHg settings changes are noticed immediately, but loading or unloading extensions usually requires restarting all open applications for the changes to take effect.

## 4.2. Getting Acquainted

Mercurial supports many different collaboration models. This chapter describes just one of those models: a single central repository. The central repository model does not scale as well as other models, but it is the most familiar to those coming from other revision tools and thus is the most common approach people start with.

To get started, suppose you volunteer to create the central repository. There are ways to convert non-Mercurial repositories into Mercurial repositories, but this example assumes you are starting from scratch.

## 4.3. Initialize the repository

Create the initial repository on your local machine:

Workbench: select File ‣ New Repository... from the menu

Explorer: select TortoiseHg ‣ Create Repository Here from the context menu

Command line: type thg init

You can do this from within the folder you want to create the repository in, or enter the correct path in the dialog. You only need to do this once in the root folder of your project.

Repository Init Dialog

We suggest you keep Add special files (.hgignore, ...) checked, and do not check Make repo compatible with Mercurial < 1.7, unless you have a strong reason to do so.

After pressing Create, Mercurial creates a subdirectory in your project folder named `.hg`. This is where Mercurial keeps all its version data. It is called the repository or store, while the directory containing the source files is called the working directory. You never need to specify the `.hg` directory when running commands, you only need to specify the working directory root. It is mentioned here just so you better understand how Mercurial works.

The new repository will also be added to the RepoRegistry when you perform this operation from the Workbench.

Warning

It is dangerous to manually edit the files in `.hg` directory, repository corruption can occur. `.hg/hgrc` is perhaps the only exception to this rule.

Note

Perhaps you already created one or more repositories. As you can manage multiple repositories in the Workbench at the same time, you can add these existing repositories by selecting File ‣ Open Repository... from its menu, and selecting their folder. Or you could drag their folder from Explorer into the RepoRegistry pane.

## 4.4. Add files

Now it’s time to tell Mercurial which files must be tracked. There are various ways to do this:

1. Workbench: goto the Commit task tab, rightclick on the file, and select Add from the context menu. This will change the status indication of that file into ‘A’ and the filename will turn green.
2. Explorer: select TortoiseHg ‣ Add Files... in the context menu. A dialog will open for you to check the selected files and accept the add operation. You can also open the status tool by selecting TortoiseHg ‣ View File Status. Check the files you want to add and select Add from the file context menu.
3. Command line: type thg status
4. Or skip adding new files as a separate step and have the commit tool add them implicitly. The commit tool is very similar to the status tool and allows you to do all of the same tasks. In this tool you can add and commit an untracked file by just checking the file and pressing Commit.

## 4.5. Ignore files

You may have some files in the foldertree of your repository that you don’t want to track. These can be intermediate results from builds f.i. that you do not wish to always delete immediately, or files your editor generates, etc. You can mark these files as ignored in some different ways too.

1. Workbench: goto the Commit task tab, rightclick on the file, and select Ignore... from the context menu to open the ignore filter dialog.
2. Explorer: select TortoiseHg ‣ Edit Ignore Filter.
3. Command line: type thg hgignore to bring up the ignore filter dialog.
4. You can also launch the ignore filter from the status tool (the menu option is named Ignore).

Choose a file from the list or manually type in a Glob or Regular expression filter and then press Add. Changes to the ignore filter take effect immediately.

Note

The `.hgignore` file, contained in the working directory root, is typically tracked (checked in).

Note

It is good practice to not have many unknown files in your working directory, as it makes it too easy to forget to add vital new files. It is recommended that you keep your `.hgignore` file up to date.

## 4.6. Commit

Commit your local repository now:

Workbench: click on the Working Directory revision which also selects the Commit task tab, or directly select the Commit task tab

Explorer: right-clicking anywhere in the folder, or on the folder itself, and then selecting Hg Commit...

Command line: type thg commit

Write a commit message, select the files you wish to commit, then press Commit. Your previous commit message will be in the message history drop-down, so you do not have to type it in again from scratch.

Commit Tool

## 4.7. Share the repository

Now you are ready to share your work. You do this by making a copy of your repository in a public location that everyone in your group can read. Mercurial calls this copy operation cloning your repository.

To clone your repository to a shared drive:

Workbench: select File ‣ Clone Repository... from the menu

Explorer: select TortoiseHg ‣ Clone... from the context menu

Command line: type thg clone

Then enter the destination path, and click Clone.

Clone Dialog

When you create a clone for the purposes of generating a central repository there is no reason for that clone to have a working directory. Checking Do not update the new working directory under Options will prevent Mercurial from checking out a working copy of the repository in the central repository clone. It will only have the `.hg` directory, which stores the entire revision history of the project.

Other team members can clone from this clone with or without a checked out working directory.

## 4.8. Fetching from the group repository

You want to start collaborating with your team. They tell you something like fetch the repository from x. What does that mean? It means that you want to make a copy of the repository located at x on your local machine. Mercurial calls this cloning and TortoiseHg has a dialog for it.

Workbench: select File ‣ Clone Repository... from the menu

Explorer: select TortoiseHg ‣ Clone... from the context menu

Command line: type thg clone

Then enter the destination path, and click OK.

Clone Dialog

This time you do want to update the working directory because you want to work on the project, under Options uncheck Do not update the new working directory so Mercurial updates the working directory with the tip revision in your new clone.

## 4.9. Working with your repository

Suppose you’ve introduced some changes. It is easy to discover what pending changes there are in the repository.

Workbench: go to the Commit task tab and inspect the filelist at the left

Any files marked with ‘A’ (added, green), with ‘?’ (unversioned but not ignored, fuchsia), with ‘M’ (modified, blue), or with ‘!’ (removed, red) indicate pending changes that should be committed.

The Commit task tab in the Workbench gives you a way to see differences within the files, or you can use your visual difference tool (kdiff3). Mercurial allows you to commit many changes before you decide to synchronize (share changes) with the group repository.

Explorer: inspect the icons on the folders and files in your repository

Folders or files in Explorer marked with one of the icons below are another way of indicating pending changes. You can traverse the directories to find specific changes and commit them from Explorer. Though it might be quicker to do that from the Commit task tab in the Workbench.

Overlay Icons on Vista

Command line: type thg commit

When you’re ready to publish your changes, you

1. Commit your changes to your local repository (see above).
2. Pull changes from the group repository into your repository using TortoiseHg ‣ Workbench or thg log, select the Sync task tab, choose the path to the group repository in the syncbar and then click the Pull button.
3. If some changesets were pulled, merge those changes with your local changes and then commit the merge into your local repository. From the revision history viewer (TortoiseHg ‣ Workbench or thg log) open the context menu over the changeset which you want to merge and select Merge with local.... Finally, in the merge dialog, press Merge and then Commit.
4. Ensure your merged work still builds and passes your extensive test suite.
5. Push your changes to the group repository, TortoiseHg ‣ Workbench or thg log, select the path to group repository and then click the Push button.

Which may sound complicated, but is easier than it sounds.

Note

Merges can be safely restarted if necessary.

Mercurial makes collaboration easy, fast, and productive. Learn more at Mercurial’s wiki.

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