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Wininstaller2: improved check if over installing

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This commit is contained in:
Eugene Chornyi 2020-12-12 10:04:17 +01:00
parent 17c1442429
commit a2e4ce1803
1 changed files with 12 additions and 0 deletions
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12
development/Win32/packaging/installer2/src/main.nsh
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@ -371,6 +371,12 @@ FunctionEnd
Function RetrieveSMState # Custom function, called after the Startmenu page has been created
${IfNot} ${FileExists} "$INSTDIR\Uninstall-LyX.exe"
Return # Not over-installing
${Else}
${GetFileVersion} "$INSTDIR\Uninstall-LyX.exe" $0
StrCpy $0 $0 3 # get only the first 3 chars, e.g. "2.3"
${If} $0 != "${VERSION_MAJOR}.${VERSION_MINOR}"
Return # Installing over a wrong version
${EndIf}
${EndIf}
Call PrepareShellCTX # Helper function from above
@ -1015,6 +1021,12 @@ Function DefaultDesktopFileAssoc # Custom function, called before the components
${IfNot} ${FileExists} "$INSTDIR\Uninstall-LyX.exe"
Return # Not over-installing
${Else}
${GetFileVersion} "$INSTDIR\Uninstall-LyX.exe" $0
StrCpy $0 $0 3 # get only the first 3 chars, e.g. "2.3"
${If} $0 != "${VERSION_MAJOR}.${VERSION_MINOR}"
Return # Installing over a wrong version
${EndIf}
${EndIf}
Call PrepareShellCTX