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| Note |
|---|
You need to have WiX installed and the executables for the tools on your path. In addition in order to build a patch you need the platform SDK installed. |
Setting the context
The variables which control file version names, source directories, product versions and the like are all stored in a file called Versions.wxi
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- Assume the current msi is called
Current.msi. Save this somewhere - Rebuild whatever is needed, rebuild the merge modules and hence the installers. Lets us call the new msi
Updated.msi - Do an administrative install (
msiexec /a /qbofCurrent.msiinto a known directory (specified using theTARGETDIRproperty. - Similarly do an administrative install of {{
Updated.msi}}into into another known directory. - Edit the file called
patch.wxsto point to the msi files contained within these two directories - Compile this
candle patch.wxslight patch.wixobj -out patch.pcp
- Run
MsiMsp{MsiMsp(available in the platform SDK)- ((
"\Program Files\Microsoft SDKs\Windows\v7.1\Bin\MsiMsp.Exe" -s patch.pcp -p patch.msp -l patch.log
- ((
- Install the update via
msiexec /p patch.msp
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