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[[OBS]] stands for [https://build.opensuse.org/ OpenSuse Build Service]. You can find out more about it from the OpenSuse webpage.

== Installing OBS tools locally ==

You'll need an [https://secure-www.novell.com/selfreg/jsp/createOpenSuseAccount.jsp?target=http://www.opensuse.org account with Novell]

You must then visit your [https://build.opensuse.org/project/list_my project list] and click : "Let me build my packages!"

=== Debian ===
Assuming a Debian Testing development box locally:

To get the OBS tools repository add an entry to the sources.lists:
 echo "deb <nowiki>http://download.opensuse.org/repositories/openSUSE:/Tools/Debian_5.0/ /</nowiki>" > /etc/apt/sources.list.d/obs.list

Then
 apt-get update
 apt-get install osc build qemu

OBS uses 403 redirects which hits a [http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=479350 bug in apt] in Lenny.

You can workaround using:
  wget http://download.opensuse.org/repositories/openSUSE:/Tools/Debian_5.0/./all/build_2009.09.23-1_all.deb
  apt-get -f install

=== Ubuntu ===
Assuming an Ubuntu9.04 development box locally:

To get the OBS tools repository add the following line:
 deb <nowiki>http://download.opensuse.org/repositories/openSUSE:/Tools/xUbuntu_9.04/ /</nowiki>
to a new file called:
 /etc/apt/sources.list.d/obs.list

Then
 # add the key in the apt keyring
 wget -q http://download.opensuse.org/repositories/openSUSE:/Tools/xUbuntu_9.04/Release.key -O- | apt-key add -
 # refresh your package source
 apt-get update
 apt-get install osc build

Now edit <code>/etc/apt/sources.list.d/obs.list</code> and comment that line out.

Note there is a problem in Ubuntu9.04 osc as of 25 May '09... to fix it, do this as root:
  cd /usr/lib/python2.6/dist-packages/
  ln -s ../site-packages/osc* .

Suse don't have an Ubuntu qemu yet so we use the one they make for Debian (bug raised):

Add the following lines:
 deb <nowiki>http://download.opensuse.org/repositories/openSUSE:/Tools/Debian_5.0/ /</nowiki>
to a new file called:
 /etc/apt/sources.list.d/debian5_qemu.list

Then
 apt-get update
 apt-get install qemu

now remove that file: 
 <code>rm /etc/apt/sources.list.d/debian5_qemu.list</code>

and run
 apt-get update

==== Troubleshooting ====

If you get the following error when adding one of these repos
 W: GPG error: http://ftp.debian.org stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ''SOMEKEY''
Then run the command
 gpg --keyserver pgpkeys.mit.edu --recv-key ''SOMEKEY'' && gpg -a --export  ''SOMEKEY'' | sudo apt-key add -
replacing ''SOMEKEY'' with the complained about key

=== RedHat Enterprise Linux 5 ===
Assuming a RHEL 5 box locally:

To get the OBS tools repository recognized by yum:
 echo "[obs]" > /etc/yum.repos.d/obs.repo
 echo "name=OpenSUSE Build System" >> /etc/yum.repos.d/obs.repo
 echo "baseurl=http://download.opensuse.org/repositories/openSUSE:/Tools/RHEL_5" >> /etc/yum.repos.d/obs.repo

Then:
 yum makecache
 yum install osc build qemu-svn

This technique is likely to work with RHEL derivatives like CentOS.
 
=== Other distributions ===
You can find openSuse build tools for various distributions at
http://download.opensuse.org/repositories/openSUSE:/Tools/

=== All OSes ===

NAME=<username>
 cat <<EOF >> /etc/sudoers
 $NAME ALL=NOPASSWD: /usr/bin/build
 $NAME ALL=NOPASSWD: /usr/sbin/chroot
 EOF

Now, as a normal user, run
 osc
and enter novell.com username/passwd when prompted (note these are stored in cleartext in the config file). Note this isn't supposed to do anything (it prints out the osc help) but it stores your name/pw for future use.

Go and [https://build.opensuse.org login].

Make sure you click the "let me build packages" button.

There is a link to 'Home Project' on the left, follow this and enter a description.

Note that if, in the future, qemu fails to work you may need to setup the associations for arm binaries by running:
  qemu-binfmt-conf.sh

=== Handle OBS using ':' in filenames ===

To help bash completion etc:
  export COMP_WORDBREAKS="
  > "\""'><=;|&("
or
  COMP_WORDBREAKS=${COMP_WORDBREAKS//:/}

=== Local osc setup ===
Create a local build path. E.g.,

mkdir -p ~/maemo/Mer/obs

In the following instructions, references to ''local-username'' should be replaced with the username used to login on your local machine while ''build-username'' (resp. ''build-password'') should be replaced with your OBS account name (resp. OBS account password).

Run <code>osc</code> without arguments. It will basically ask you to enter your OBS account username and password and create a default configuration in <code>~/.oscrc</code>. Edit it to match your needs. Here are a few interesting parameters mainly found in the <code><nowiki>[general]</nowiki></code> section:

* the <code>apiurl</code> parameter should be set to the following URL:  https://api.opensuse.org.

* the <code>packagecachedir</code> parameter specifies where all the cached binary packages are held to create a chroot build environment. Around 300MB are needed. E.g.,
 packagecachedir = /home/''local-username''/maemo/Mer/obs/.pkg-cache/

* the <code>build-root</code> parameter specifies the default location where a complete chroot build will be installed. This will be a minimal OS install: 400MB minimum.  E.g.,
 build-root = /home/''local-username''/maemo/Mer/obs/build-%(repo)s-%(arch)s

* in the section <code><nowiki>[https://api.opensuse.org]</nowiki></code>, set your credentials as follow:
 user = ''build-username''
 pass = ''build-password''

=== Next Steps ===
Go back to [[Mer/Build]] and then onto [[Mer/Build/Application Building|Application Building]]

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Editing Mer/Build/Install OBS

@@ Line 76: / Line 76: @@
 === RedHat Enterprise Linux 5 ===
 Assuming a RHEL 5 box locally:
-The M2Crypto package that comes w/ RHEL5 is too old. I retrieved the 0.19.1 source rpm from Fedora 10 and built it for my architecture. But you will need to update this package to at least version 0.19 before installing the OBS packages.
-Install the public key for the OBS RPM repository:
- rpm --import http://download.opensuse.org/repositories/openSUSE:/Tools/RHEL_5/repodata/repomd.xml.key
 To get the OBS tools repository recognized by yum:
@@ Line 92: / Line 87: @@
 This technique is likely to work with RHEL derivatives like CentOS.
 === Other distributions ===
 You can find openSuse build tools for various distributions at