On Wed, Feb 17, 2010 at 9:50 AM, Adrian Buehlmann <adr...@cadifra.com> wrote: > (cc-ing thg-dev, hoping this is ok. It might be useful for thg > development and others as well) > > On 17.02.2010 15:00, Yuki KODAMA wrote: >> Hi Adrian, >> >> I was asked by my friend (TortoiseBZR developer) about >> a new *rebootless* THG installer. In general, an application which >> uses Windows shell extension has to reboot after installing/upgrading it.
It's nice to hear you're in contact with a TortoiseBZR developer. I wish one of them would hang out here so we could potentially collaborate more. We owe them a lot for the initial annotate and log graph code, and various other bits. >> However, Steve's annouce says that THG's new installer can upgrade/ >> downgrade/package-change without reboot. I don't know details about >> THG's WIX installer, so I couldn't answer to his question then. >> >> Does the *rebootless* feature come from WIX toolset/framework? >> Or are there a kind of technics for it? > > As I understand it, it's not related to WiX. > > It is a feature of Windows Installer. > > WiX is "just" a toolset to generate Windows installer database files (*.msi). > > "The Windows Installer (previously known as Microsoft Installer) is an > engine for the installation, maintenance, and removal of software on > modern Microsoft Windows systems." [1] > > Windows installer is a part of Windows. It maintains a database of what > components are installed and runs as a service (msiserver). It also has a > client part that talks to the server when the user starts an installation. > > When a package is installed, Windows Installer does several actions. > One such action is InstallValidate [2]. > > In this action, Windows installer detects which running process has what > exe or dll in use, that needs to be exchanged (upgrade/downgrade install). > > The user interface then offers the user to (A) shutdown the respective > processes and restart them (in case of explorer, restart works). But the > user may also choose not to shutdown the affected programs, but (B) instead > schedule the exchange of the files for a reboot. Option (A) is preselected. > > I've uploaded a screenshot here: > http://bitbucket.org/abuehl/thg-abuehl/downloads/ValidatingInstall-Windows7-shot1.PNG > > For the first install (no previously installed thg shell extension), the > user needs to logout/login or restart explorer [3] himself for the shell > extension dll to initialize the overlay icon handlers. It seems the context > menu handlers get initialized on first context menu opening. So for the > context menu, it works even without logout/login for the first install case. > > [1] http://en.wikipedia.org/wiki/Windows_Installer > [2] http://msdn.microsoft.com/en-us/library/aa369546(VS.85).aspx > [3] > http://www.addictivetips.com/windows-tips/how-to-restart-explorer-exe-process-properly-in-windows-xp-and-vista Very recent thread on the tsvn list: http://tortoisesvn.tigris.org/ds/viewMessage.do?dsForumId=757&dsMessageId=2447781 -- Steve Borho ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev _______________________________________________ Tortoisehg-develop mailing list Tortoisehg-develop@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tortoisehg-develop
