I'm trying to use the DTF libraries to apply a Patch to an Msi file and then
extract the updated files from the Patched Msi. I can't get it working, and I'm
at wit's end. Any guidance would be much appreciated.
I can apply the patch and transform to the msi, and the Files table in the Msi
then contains the updates from the patch. That seems good. I then try to use
InstallerPackage.ExtractFiles to extract the files into a directory. When I get
down to a file whose contents is in the CAB in the Patch (netfx.msp), I receive
a "Stream Not Found: netfx_PCW_CAB_NDP" error. I can't figure out how to get
the patch cab (PCW_CAB-NDP) into the Msi. I thought that
InstallerPackage.ApplyPatch would do this, but apparently not.
I'm using netfx.msi and netfx.msp that is in the \upgrades\netfx directory in
the Win 7 distribution for my testing. Here's a shortened version of my code:
// define the variables
string msiPath = @"d:\upgrade\netfx\netfx.msi";
string mspPath = @"d:\upgrade\netfx\netfx.msp";
string transformName = "T320_1ToU1.MST";
// open the Msi file
using (InstallPackage package = new InstallPackage(msiPath,
DatabaseOpenMode.Transact))
{
// open the Msp file
using (PatchPackage patch = new PatchPackage(mspPath))
{
// set the directories for the Msi file
package.WorkingDirectory = unpackSubdirectory;
package.SourceDirectory =
System.IO.Path.GetDirectoryName(msiPath);
// apply the patch
package.ApplyPatch(patch, transformName);
// query the list of files from the Msi
List<String> fileList = new
List<string>(package.ExecuteStringQuery("SELECT `File` FROM `File`", null));
// loop through the files in the fileList
foreach (String fileItem in fileList)
{
// add the string to a FileArray
string[] fileArray = { fileItem };
// extract the files
package.ExtractFiles(fileArray);
}
}
}
>From the DTF Help file, I think that InstallPackage.Consolidate(mediaCabinet)
>might be the answer, but I can't get that to work.
Thanks,
Jeff
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