VCS package guidelines
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Guidelines for creating PKGBUILDs for software managed with version control systems.
- Properly suffix Template:Codeline with Template:Codeline, Template:Codeline, Template:Codeline, Template:Codeline, Template:Codeline or Template:Codeline. If the package tracks a moving development trunk it should be given a suffix. If the package fetches a release from a VCS tag then it should not be given a suffix. Use this rule of thumb: if the output of the package depends on the time at which it was compiled, append a suffix; otherwise do not.
- A VCS package may be updated as and when needed to adopt changes to the build system, including ammendments to dependencies, URL, sources, etc. If the revision number remains the same after such an update, but produces a resulting binary which is different, increasing the Template:Codeline is mandatory. If both the revision number and the resulting binary remain the same, Template:Codeline should be kept intact. There is no need to update the VCS package just to accommodate a revision bump, but one may choose to do so.
- When makepkg is run, by default it will check for newer revisions and then update the Template:Codeline in the PKGBUILD. Look at Template:Codeline in man makepkg if you want otherwise. Template:Codeline only works for cvs and svn, which allow checkout of older revisions.
- Check for package conflicts. For example fluxbox-svn will conflict with fluxbox. In this case, you need to use Template:Codeline.
- Use the Template:Codeline field so that packages that require the non-VCS package can be installed (Template:Codeline).
- You should AVOID using Template:Codeline as it generally causes unnecessary problems.
- When using/defining the cvsroot, use Template:Codeline rather than Template:Codeline to avoid a password prompt and having to enter a blank password OR use Template:Codeline if a password is required.
- Don't forget to include the appropriate VCS tool (cvs, subversion, git, ...) in Template:Codeline.
- To preserve the integrity of the checked-out code consider copying the original build directory if you have to make edits. For example, having checked out source code to Template:Filename from Template:Filename you can use:
mkdir src/$_cvsmod-build cd src/$_cvsmod-build ../$_cvsmod/configure
cp -r src/$_cvsmod src/$_cvsmod-build cd src/$_cvsmod-build
- With the introduction of the AUR, it is most important to avoid using backtick execution to create package variables. makepkg will automatically bump the Template:Codeline anyway when building the package (unless Template:Codeline is used).
- You should make sure that there are no VCS directories and files left over in your package. If there are, you may want to remove them, by adding a command similar to this one at the end of the the package() script:
rm -rf `find "$pkgdir" -type d -name ".svn"`
- When using Git, one can speed up the cloning operation using the Template:Codeline parameter. This creates a shallow clone, and has only the last change history - since histories are unimportant for builds most of the time.
git clone git://hostname.dom/project.git --depth=1
- It's possible to create the package also from a branch other than the master. To do so add Template:Codeline after the first Template:Codeline, in this way:
git clone "$_gitroot" "$_gitname" --branch branch_name
Remember to save package with a different name, for example Template:Codeline, in order to avoid confusion with the package from the branch master.
- Copy paste script when building from repo
If you are lazy here is a script you can copy paste when making git based PKGBUID.
cd "$srcdir" msg "Connecting to GIT server...." if [ -d $_gitname ] ; then cd $_gitname && git pull origin msg "The local files are updated." else git clone --depth=1 $_gitroot $_gitname fi msg "GIT checkout done or server timeout"