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Comment: Started VCS page for repositories used by the games team
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== Git ==
The repositories for the packaging in git is stored in a different manner than they are under svn. Each package has it's own git repository (and thus it's own directory) under the /git/pkg-games directory on the alioth servers.
#language en
<<TableOfContents>>
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This guide assumes that you are uploading the packaging files for a package for the first time. The Debian Games Team currently uses either git or svn to help in maintaining packages. This page will help you get started in using either git or svn repositories.
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A separate section will describe how to import the packaging that was stored in the svn repository in the future. == Scheme ==
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=== Creating a git repository ===
First, create a repository in the /git/pkg-games directory on the alioth servers.
Most of the packages are independent from each other. In svn, a [trunk,tags,branches}/<package> scheme is used with only the debian directory stored. The .orig.tar.gz files in such a case are stored in /home/groups/pkg-games/htdocs/tarballs in the alioth servers. They can be accessed online at [[http://pkg-games.alioth.debian.org/tarballs]]. In git, each package has it's own repository. The contents of the orig tarball are stored directly within each package's repository, inside the 'upstream' branch. The {{{pristine-tar}}} program can be used to regenerate an orig tarball from the upstream branch.

== Setting up ==
The first thing to do is get an account on alioth.debian.org. Visit the following link.
 . http://alioth.debian.org/account/register.php

The next step is to join the team. Visit the Alioth page for the team and click on "request to join".
 . https://alioth.debian.org/projects/pkg-games/ [[https://alioth.debian.org/project/request.php?group_id=30862|direct link]]

Next, you will need an ssh key for each computer you plan on working on packages with. If you don't have a key on a particular system, create one.
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$ mkdir <package>.git
$ cd <package>.git
$ git --bare init --shared
$ ssh-keygen
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Now edit the 'description' file in the directory you just created to one that is appropriate for the package. This should have created an RSA key for SSH protocol 2 by default. Upload the contents of your public keys ({{{~/.ssh/id_rsa.pub}}}) to your account in Alioth. To do this, copy the contents of each public key for your machines and paste them at the following link.
 . https://alioth.debian.org/account/editsshkeys.php

Next, create an SSH configuration file ({{{~/.ssh/config}}}) for your user profile to work with the alioth servers. Here's how to do the following in a terminal session.
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$ echo "Packaging for <package>" >description $ cat >>~/.ssh/config <<EOF
Host svn.debian.org
        User <username>

Host git.debian.org
        User <username>

Host alioth.debian.org
        User <username>
EOF
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Let's also enable the use of 'hooks/post-update'. Now you should be able to logon from each of your machines by doing the following.
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$ chmod a+x hooks/post-update $ ssh svn.debian.org
$ ssh git.debian.org
$ ssh alioth.debian.org
}}}
Note: There's usually a one hour delay when uploading your ssh public keys. During this delay, you can still login with your password.

== mr ==

The mr command can be used to checkout, update, and commit to multiple repositories. In the svn+ssh://svn.debian.org/svn/pkg-games/mrconfig, is a .mrconfig file that configures mr for all the repositories used by the games team.

New git repositories should be added to this .mrconfig file.

To use it, install the mr package, and create a ~/.mrconfig file letting mr know about the pkg-games svn repository. In this example, it will be checked out to ~/src/packages/games, but you can modify to suit. If you already have a pkg-games svn checkout, you can change the directory to point to that. Note that the last field on the 'checkout' line ('games' in this instance) should match the last field of the configuration path ('src/packages/games').

{{{
[src/packages/games]
chain = true
checkout = svn co svn+ssh://svn.debian.org/svn/pkg-games/packages/trunk games
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Now we're done creating a repository for the package. You could also use the 'setup-repository' script that's in the pkg-games directory. That script is really a symlink to the script that's used in the collab-maint directory. Then run "mr checkout", which will checkout the svn repository into ~/src/packages/games. The checkout will be approximately 120MB.

Next set up the shared games team .mrconfig. In your ~/.mrconfig, add the following entries.
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./setup-repository <package> '<package description>' # Update the games team mrconfig
[src/packages/games-mrconfig]
checkout = svn co svn+ssh://svn.debian.org/svn/pkg-games/mrconfig games-mrconfig ; cp ~/src/packages/games-mrconfig/.mrconfig ~/src/packages/games/.mrconfig
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=== Uploading a package to the repository ===
Now let's import the package into a git repository. This is easy using 'git-import-dsc' from the 'git-buildpackage' package.
An 'svn up' will pull down two files into the new directory - a README and the .mrconfig file.

Before doing the final checkout (using mr), you need to setup a ~/.mrtrust file. This is supported in all versions of mr from 0.42, and is required for chained checkouts from 1.00 (January 2011). The contents of the file should be a series of paths (one per line) to .mrconfig files. In our case, it will be one line:
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$ git-import-dsc <package>.dsc /home/YOURNAME/src/packages/games/.mrconfig
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A directory with the name of the source package should have been made. Change into that directory.
Two more "mr checkout" runs (necessary because of bug #447553) will checkout the additional git repositories, into subdirectories of ~/src/packages/games/. (As of 2010-08-14, the full debian-games repo was just under 6GB).

Now you can use mr to act on all configured repositories at once.

Update all repositories:
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$ cd <package> % mr update
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Ensure the tags that are created reflect if a package has been released. git-buildpackage creates tags for the debian branch and the upstream branch. If the tag created for the debian branch reflects an unreleased version, you'll have to delete that "debian" tag. Get status of all checkouts:
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$ git-tag -l
$ git-tag -d 'debian/<unreleased version>'
% mr status
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Finally, push the repository up to the repository on alioth. List all repositories that mr knows about:
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$ git-remote add alioth git+ssh://<username>@git.debian.org/git/pkg-games/<package>.git
$ git-push alioth master
$ git-push alioth upstream
$ git-push alioth --tags
% mr list
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=== Accessing a repository ===
To get a repository, do the following.
Or even commit changes in each repository:
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$ git-clone git+ssh://<username>@git.debian.org/git/pkg-games/<package>.git % mr commit
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You can also enjoy read-only access by using the following.
{{{
$ git-clone git://git.debian.org/git/pkg-games/<package>.git
$ git-clone http://git.debian.org/git/pkg-games/<package>.git
}}}
If you've added a new git repository in ~/src/packages/games/<foo> and are in that directory, you can have mr automatically add it to the pkg-games .mrconfig file by running "mr register". (Don't forget to commit the file.)
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To view a summary of the repository on your favorite web browser, go to the following address.
{{{
http://git.debian.org/?p=pkg-games/<package>.git
}}}
== Git ==

See [[Games/VCS/git]].

== SVN ==

See [[Games/VCS/svn]].

== General Rules ==
 * If a package you're working on is for a particular version that has not been uploaded to the archive, you need to use 'UNRELEASED' as the suite in the changelog.
 * packages/ in the svn repo is for free games only. For games which should go to non-free, please use non-free/package/.
 * the SVN properties of the debian/ directory should point to the location where the orig.tar.gz file(s) can be fetched.

== See Also ==
 * [[Alioth/Git]]
 * http://www.kernel.org/pub/software/scm/git/docs/ - git Documentation
 * [[SmallSVNTutorial]]
 * [[Alioth/Svn]]
 * http://svnbook.red-bean.com/ - Subversion Documentation
 * [[http://www.hmug.org/man/5/ssh_config.php|ssh_config man page]] - Manual on OpenSSH SSH client configuration files
 * [[http://git.or.cz/gitwiki/GitCheatSheet]] - Git Cheat

The Debian Games Team currently uses either git or svn to help in maintaining packages. This page will help you get started in using either git or svn repositories.

Scheme

Most of the packages are independent from each other. In svn, a [trunk,tags,branches}/<package> scheme is used with only the debian directory stored. The .orig.tar.gz files in such a case are stored in /home/groups/pkg-games/htdocs/tarballs in the alioth servers. They can be accessed online at http://pkg-games.alioth.debian.org/tarballs. In git, each package has it's own repository. The contents of the orig tarball are stored directly within each package's repository, inside the 'upstream' branch. The pristine-tar program can be used to regenerate an orig tarball from the upstream branch.

Setting up

The first thing to do is get an account on alioth.debian.org. Visit the following link.

The next step is to join the team. Visit the Alioth page for the team and click on "request to join".

Next, you will need an ssh key for each computer you plan on working on packages with. If you don't have a key on a particular system, create one.

$ ssh-keygen

This should have created an RSA key for SSH protocol 2 by default. Upload the contents of your public keys (~/.ssh/id_rsa.pub) to your account in Alioth. To do this, copy the contents of each public key for your machines and paste them at the following link.

Next, create an SSH configuration file (~/.ssh/config) for your user profile to work with the alioth servers. Here's how to do the following in a terminal session.

$ cat >>~/.ssh/config <<EOF
Host svn.debian.org
        User <username>

Host git.debian.org
        User <username>

Host alioth.debian.org
        User <username>
EOF

Now you should be able to logon from each of your machines by doing the following.

$ ssh svn.debian.org
$ ssh git.debian.org
$ ssh alioth.debian.org

Note: There's usually a one hour delay when uploading your ssh public keys. During this delay, you can still login with your password.

mr

The mr command can be used to checkout, update, and commit to multiple repositories. In the svn+ssh://svn.debian.org/svn/pkg-games/mrconfig, is a .mrconfig file that configures mr for all the repositories used by the games team.

New git repositories should be added to this .mrconfig file.

To use it, install the mr package, and create a ~/.mrconfig file letting mr know about the pkg-games svn repository. In this example, it will be checked out to ~/src/packages/games, but you can modify to suit. If you already have a pkg-games svn checkout, you can change the directory to point to that. Note that the last field on the 'checkout' line ('games' in this instance) should match the last field of the configuration path ('src/packages/games').

[src/packages/games]
chain = true
checkout = svn co svn+ssh://svn.debian.org/svn/pkg-games/packages/trunk games

Then run "mr checkout", which will checkout the svn repository into ~/src/packages/games. The checkout will be approximately 120MB.

Next set up the shared games team .mrconfig. In your ~/.mrconfig, add the following entries.

# Update the games team mrconfig
[src/packages/games-mrconfig]
checkout = svn co svn+ssh://svn.debian.org/svn/pkg-games/mrconfig games-mrconfig ; cp ~/src/packages/games-mrconfig/.mrconfig ~/src/packages/games/.mrconfig

An 'svn up' will pull down two files into the new directory - a README and the .mrconfig file.

Before doing the final checkout (using mr), you need to setup a ~/.mrtrust file. This is supported in all versions of mr from 0.42, and is required for chained checkouts from 1.00 (January 2011). The contents of the file should be a series of paths (one per line) to .mrconfig files. In our case, it will be one line:

/home/YOURNAME/src/packages/games/.mrconfig

Two more "mr checkout" runs (necessary because of bug #447553) will checkout the additional git repositories, into subdirectories of ~/src/packages/games/. (As of 2010-08-14, the full debian-games repo was just under 6GB).

Now you can use mr to act on all configured repositories at once.

Update all repositories:

% mr update

Get status of all checkouts:

% mr status

List all repositories that mr knows about:

% mr list

Or even commit changes in each repository:

% mr commit

If you've added a new git repository in ~/src/packages/games/<foo> and are in that directory, you can have mr automatically add it to the pkg-games .mrconfig file by running "mr register". (Don't forget to commit the file.)

Git

See Games/VCS/git.

SVN

See Games/VCS/svn.

General Rules

  • If a package you're working on is for a particular version that has not been uploaded to the archive, you need to use 'UNRELEASED' as the suite in the changelog.
  • packages/ in the svn repo is for free games only. For games which should go to non-free, please use non-free/package/.
  • the SVN properties of the debian/ directory should point to the location where the orig.tar.gz file(s) can be fetched.

See Also