#62: It should be possible to run the Windows installer as non-admin
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Reporter: refold | Owner: refold
Type: enhancement | Status: assigned
Priority: minor | Milestone: 2013.2.0.0
Component: Windows installer | Resolution:
Keywords: |
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Changes (by refold):
* milestone: 2012.4.0.0 => 2013.2.0.0
Comment:
This turned out to be harder than I expected. The
[http://stackoverflow.com/questions/8732019/how-do-you-request-
administrator-permissions-using-nsis/8735349#8735349 recommended way] is
to just set `RequestExecutionLevel` to `admin`, but we can't do that since
we also want to allow non-admin users to run the installer in portable
mode. The [http://nsis.sourceforge.net/UAC_plug-in UAC plugin] is supposed
to help with that, but I can't get the examples to compile ("Invalid
command: UAC::_").
I tried doing the following:
{{{
!macro CheckAdmin thing
UserInfo::GetAccountType
pop $0
${If} $0 != "admin" ;Require admin rights on NT4+
MessageBox MB_YESNO "It is recommended to run this \
${thing} as administrator. Do you want to try to elevate privileges?"
\
IDNO CheckAdminDone
SetErrorLevel 740 ;ERROR_ELEVATION_REQUIRED
Quit
CheckAdminDone:
${EndIf}
!macroend
}}}
but the return code seems to have no effect. `MultiUser.nsh` seems to be
old XP-era code that doesn't know about UAC prompts.
If anyone has ideas on how to proceed, I'm eager to listen. For now, I've
just added a warning if the installer is run as non-admin.
--
Ticket URL: <http://trac.haskell.org/haskell-platform/ticket/62#comment:16>
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