[Lazarus] Installing packages using lazbuild - am I on the right path?

[Zaher Dirkey]

On Mon, May 21, 2012 at 9:58 AM, Reinier Olislagers <
reinierolislagers at gmail.com> wrote:

> Hi all,
>
> I'm trying to figure out how to set packages for
> installation/compilation in Lazbuild.
>
> Goal: add packages to user IDE from command line using lazbuild.
>
> I've looked around the code and started a rough hack to try and install
> the rx component when rebuilding the IDE.
>
> I added this in TLazBuildApplication.BuildLazarusIDE:
> var
> ..
>  raotestpackage: TLazPackage;
>  PkgName: string;
>  APackage: TLazPackage;
>  ConflictDep: TPkgDependency;
> ...
>
>  // try loading install packages
>
> PackageGraph.LoadAutoInstallPackages(BuildLazProfiles.StaticAutoInstallPackages);
> // my modifications start
>  //rao: testing: add rx
>  // adapted from addtoinstall
>  PkgName:='rx';
>  raotestpackage:=TLazPackage.Create;
>  //todo: replace 'rx' with package name
>  if not raotestpackage.StringToID(PkgName) then
>  begin
>    debugln('Invalid ID: ', PkgName);
>    exit;
>  end;
>  APackage:=PackageGraph.FindPackageWithID(raotestpackage);
>  if APackage<>nil then begin
>    // check if package is loaded and has some attributes that prevents
>    // installation in the IDE
>        if APackage.PackageType in [lptRunTime,lptRunTimeOnly] then begin
>          writeln(lisNotADesigntimePackage,
> Format(lisThePackageIsNotADesignTimePackageItCanNotBeInstall, [
>                  APackage.IDAsString]));
>          exit;
>        end;
>        ConflictDep:=PackageGraph.FindRuntimePkgOnlyRecursively(
>          APackage.FirstRequiredDependency);
>        if ConflictDep<>nil then begin
>          writeln(lisNotADesigntimePackage,
> Format(lisThePackageCanNotBeInstalledBecauseItRequiresWhichI, [
>                  APackage.Name, ConflictDep.AsString]));
>          exit;
>        end;
>  end; //apackage<>nil
>  // Mark package for installation - is this the right way?
>  raotestpackage.AutoInstall:=pitStatic;
>  // Add our new package to the packages we've currently loaded
>  PackageGraph.AddPackage(raotestpackage);
>  // I thought this would save the list of user-defined packages, is
> this correct?
>  PackageGraph.SaveAutoInstallConfig;
>
>  // Do I need something like this to save the list of packages?:
>  //PkgManager.InstallPackages(pkgidlist, [piiifQuiet]);
>
>  // save target directory //existing code resumes
>  TargetDir:=CurProf.TargetDirectory;
>  IDEMacros.SubstituteMacros(TargetDir);
>
> While the code runs, nothing happens... and I'm sure just copy/pasting
> code from other parts without understanding what's going on isn't the
> fastest/surest way of getting things working.
>
> Questions:
> 1. Am I on the right track?
> 2. Is packagegraph a representation of all packages present in the IDE?
> 3. What do the package .AutoInstall types mean? None: not installed,
> dynamic: needed as a dependency for other packages, static: always
> installed in IDE (e.g. because it is selected by the user)? Am I right
> in manipulating this property?
>
> Thanks,
> Reinier
>

Good feature,

I think it is related my my old ask,
http://comments.gmane.org/gmane.comp.ide.lazarus.general/53455

Best Regards
Zaher Dirkey
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