mikhail tan <mikesalvi...@gmail.com> writes:
[...] > this two program is the same except for additional functionalities > my problem is I mustn't deploy version 4.6.4 without uninstalling > the old one so that it wouldn't consume disk space > > this two could co-exist by the way > > the installer is an .MSI file created by our software group If the installer of the new version uninstall the old version, just install the new one, if not, you have several solutions: 1. create a new package name per version, just remove the old one from profile and wpkg uninstall it. This solution may result in both installed if your <remove/> fails. 2. create a new package for the old version, like tsm-4.6.3-uninstall, this package checks that the software is uninstalled (maybe just negate the current checks). The package for the current version must depend on it, so the new version will never be installed if the old one is still there. For such situation I prefer the second one, but you can combine both: - tsm-4.6.3.xml => install version 4.6.3 - tsm-4.6.3-uninstall.xml => remove version 4.6.3 - tsm-4.6.4.xml => install version 4.6.4, depends on tsm-4.6.3-uninstall - tsm-4.6.4-uninstall.xml => remove version 4.6.4 So, here is how to handle the transition: 1. tsm-4.6.3 is in the profile => the software is installed 2. remove tsm-4.6.3 from the profile => wpkg will remove it on next run 3. add tsm-4.6.4.xml in the profile => the dependency will force wpkg to remove the old one and install the new version only if the old one checks are OK. This is how I managed transition between UltraVNC 1.0.2 and 1.0.8, and every software that do not handle removal of the old version (like old PDFCreator). Regards. -- Daniel Dehennin RAIP de l'Orne
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