[wix-users] Custom action to backup folder before install

Phil Wilson phil.wilson at mvps.org
Wed Oct 19 11:37:23 PDT 2016


Exactly, yes. The Windows Installer overwrite rules don't replace files that
have been altered since the install:

https://msdn.microsoft.com/en-us/library/windows/desktop/aa370531(v=vs.85).a
spx

And a similar case with hashing.

Phil  

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Wheeler, Blaine (DSHS/DCS)
Sent: Tuesday, October 18, 2016 3:08 PM
To: 'WiX Toolset Users Mailing List'
Subject: Re: [wix-users] Custom action to backup folder before install

The db wouldn't be overwritten by the installer because it changed from the
original installation if you are doing an upgrade.  Check out the
UpgradeCode and MajorUpgrade element

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Carlos Sosa
Sent: Tuesday, October 18, 2016 12:51 PM
To: 'WiX Toolset Users Mailing List'
Subject: Re: [wix-users] Custom action to backup folder before install

Because the INSTALLFOLDER contains a database that has been modified and I
need to keep.
I was able to do this using a .bat file

Thank you.


-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Wheeler, Blaine (DSHS/DCS)
Sent: Tuesday, October 18, 2016 8:56 AM
To: 'WiX Toolset Users Mailing List' <wix-users at lists.wixtoolset.org>
Subject: Re: [wix-users] Custom action to backup folder before install

Why?  The installer service creates a restore point and also makes a
roll-back source so it can recover from a failed or cancelled installation.
At the end of the successful installation the roll-back is deleted.

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Carlos Sosa
Sent: Monday, October 17, 2016 2:36 PM
To: wix-users at lists.wixtoolset.org
Subject: [wix-users] Custom action to backup folder before install


Hello I need to back up the INSTALLFOLDER before upgrade/install.
I'm using a custom action as follows:

<InstallExecuteSequence>
    <Custom Action="BackupDB" After="InstallInitialize" />
</InstallExecuteSequence>


But I cannot seem to be able to define the custom action appropriately

<Fragment>

   <CustomAction Id='BackupDB'
                 BinaryKey='FooBinary'
                 DllEntry='FooEntryPoint'
                 Execute='immediate'
                 Return='check'>


    <CopyFile Id="SomeId" SourceProperty="SOURCEDIRECTORY"
      DestinationDirectory="INSTALLFOLDER" SourceName="*" />


   </CustomAction>



  </Fragment>


Using Visual Studio 2015 and Wix 3.1
Any help is appreciated.
Regards

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