Modifications to wpkg 0.9.10

[Klein, Roman]

> Dear all,
> 
> find attached a modificated version of wpkg 0.9.10.
> 
> What have I done:
> 
> Modifications:
> - moved it from .js to .wsf type, adding XML-Tags so that windows script
> host can create Usage message based on those tags.
> - streamlined parameter handling by using WScript.Named.Exists() function
> - removed duplicate code blocks in installPackage, upgradePackage &
> removePackage by creating new function calls
> - created additional functions to, in my opinion, increase readability
> 
> New Functionality:
> - I added functionality to process the <supercedes> tags which are
> introduced in the web-interface.
> 
> Assume you have the following situation (e.g. ClamWin)
> 
> ClamWin is creating cwupdate-packages which only update the clamwin
> executables, e.g.
> - from version 0.9.1.1 to version 0.9.2
> - with this new functionality you are able to create the following packages
> entry's:
> 
> <package id='ClamWin_0_90_1' name='ClamWin' revision='1' priority='0'
> reboot='false' >
>   <check type='file' condition='versionequalto' path='c:\program
> files\clamwin\bin\clamscan.exe' value='0.90.1' />
>   <install cmd='clamwin-0.90.1-setup.exe SP- /SILENT /NORESTART /NOCANCEL
> /D=C:\Program Files\ClamWin' />
>   <upgrade cmd='cwupdater-901to9011.exe /S /D=C:\Program Files\ClamWin' >
>         <exit code="0" />        
>         <exit code="1" />        
>   </upgrade>
>   <supercedes package-id='ClamWin_0_90_0' />
> </package>
> 
> <package id='ClamWin_0_90_1_1' name='ClamWin' revision='1' priority='0'
> reboot='false' >
>   <check type='file' condition='versionequalto' path='c:\program
> files\clamwin\bin\clamscan.exe' value='0.90.1.1' />
>   <supercedes package-id='ClamWin_0_90_1' />
>   <upgrade cmd='cwupdater-9011to902.exe /S /D=C:\Program Files\ClamWin' >
>         <exit code="0" />        
>         <exit code="1" />        
>   </upgrade>
> </package>
> 
> <package id='ClamWin_0_90_2' name='ClamWin' revision='1' priority='0'
> reboot='false' >
>   <check type='file' condition='versionequalto' path='c:\program
> files\clamwin\bin\clamscan.exe' value='0.90.2' />
>   <supercedes package-id='ClamWin_0_90_1_1' />
> </package>
> 
> 1.) Assuming package with Id 'ClamWin_0_90_1_1' is installed on your system
> the /synchronize-job would
> upgrade clamwin to version 0.90.2 using the 
> -- cwupdater-9011to902.exe'
> 
> 2.) Assuming package with Id 'ClamWin_0_90_1' is installed on your system
> the /synchronize-job would
> upgrade clamwin to version 0.90.2 using the 
> -- cwupdater-901to9011.exe
> -- cwupdater-9011to902.exe'
> in this order
> 
> 3.) Assuming NO clamwin is installed on your system the /synchronize-joub
> would 
> install clamwin version 0.90.2 using
> -- clamwin-0.90.1-setup.exe 
> -- cwupdater-901to9011.exe
> -- cwupdater-9011to902.exe 
> in this order.
> 
> Please feel free to comment.
> 
> Best Regards
> Roman
> 
> 
>  <<wpkg.wsf.txt>> 
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