Hey Rich, If you make your installers set REINSTALLMODE=amus files will be overwritten regardless of their version. This would let you run upgrades and downgrades where whomever comes last wins.
http://msdn.microsoft.com/en-us/library/aa371182%28v=vs.85%29.aspx - Joel > On Nov 26, 2014, at 1:04 PM, Rich Fowler <richwfow...@gmail.com> wrote: > > I need to allow Downgrading installations. This is for an internal > application where a user may need to install version "N" over version > "N+1". Yes, I know this is frowned upon, but management insists. We need to > make it seamless to our users. Forcing the user to first uninstall is not > an option. > > I've searched most everywhere and think I am close to getting it right. > However, after installing version "N" over top of "N+1" only the unchanged > files remain. It looks like the installer is determining which files to > install before version "N+1" is removed. > > Following is a stripped down installation file. The "ACMEVERSION" property > changes from release to release as well as the file version withing the > executable. > After version 4.0.5.7 is installed, the directory contains two files - the > exe and txt file. After 4.0.4.4 is installed, the directory only contains > the txt file, which is unchanged between the versions. > > Any advice or comments are deeply appreciated. > > <?xml version="1.0" encoding="UTF-8"?><Wix > xmlns="http://schemas.microsoft.com/wix/2006/wi";> <?define > ACMEVERSION = "4.0.04.04" ?><!-- THIS IS THE ONLY LINE THAT CHANGES > --> <?define UpgradeCode = > "83ED9349-6CE8-49AF-AA9D-76A63BBF3667"?> <Product Id="*" > Name="MyApp" Language="1033" Version="$(var.ACMEVERSION)" > Manufacturer="Acme" UpgradeCode="$(var.UpgradeCode)"> <Package > InstallerVersion="405" Compressed="yes" Manufacturer="Acme" /> > <Property Id="ALLUSERS" Value="1" /> > <MajorUpgrade AllowDowngrades="yes" > Schedule="afterInstallValidate" RemoveFeatures="ProductFeature" /> > <!--InstallExecuteSequence> <RemoveExistingProducts > After='InstallInitialize' /> <InstallExecute > After="RemoveExistingProducts" /> </InstallExecuteSequence --> > <!-- Force uninstall of any previously installed version (Allow > Upgrade AND DownGrade --> <Property > Id='PREVIOUSVERSIONSINSTALLED' Secure='yes' /> <Upgrade > Id='$(var.UpgradeCode)'> <UpgradeVersion Minimum='1.0.0.0' > Maximum='99.0.0.0' > Property='PREVIOUSVERSIONSINSTALLED' > MigrateFeatures="yes" IncludeMinimum='yes' IncludeMaximum='no' /> > </Upgrade> > <MediaTemplate EmbedCab='yes' /> > <Feature Id="ProductFeature" Title="MyApp" > Level="1"> <ComponentGroupRef Id="ProductComponents" > /> </Feature> </Product> <!-- we want to install into > C:\Acme\ > --> <Fragment> <Directory Id="TARGETDIR" Name="SourceDir"> > <Directory Id="ACMEINSTALLFOLDER" Name="Acme" /> </Directory> > <SetDirectory Id="TARGETDIR" Value="[WindowsVolume]" /> </Fragment> > <Fragment> <ComponentGroup Id="ProductComponents" > > <Component > Id="AcmeAppComponent" Guid="304961E1-C871-4124-A802-76EFBA17E3A6" > Directory="ACMEINSTALLFOLDER" > <RemoveFile > Id="RmvFile" Name="AcmeApp.exe" On="install" /> <File > Id="AcmeEXE" Name="AcmeApp.exe" > Source="..\$(var.ACMEVERSION)\AcmeApp.exe" /> </Component> > <Component Id="DocumentComponent" > Guid="AD9DED34-7158-454E-8A3C-A9FC04F28621" > Directory="ACMEINSTALLFOLDER" > <File Id="NOTES" > Name="Notes.txt" KeyPath="yes" /> </Component> > </ComponentGroup> </Fragment></Wix> > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk > _______________________________________________ > WiX-users mailing list > WiX-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wix-users ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users
