commit a2e4ce1803a814d934cda69c045c9e4bb80a4426
Author: Eugene Chornyi <[email protected]>
Date: Sat Dec 12 10:04:17 2020 +0100
Wininstaller2: improved check if over installing
---
.../Win32/packaging/installer2/src/main.nsh | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/development/Win32/packaging/installer2/src/main.nsh
b/development/Win32/packaging/installer2/src/main.nsh
index 905b80b..76263cb 100644
--- a/development/Win32/packaging/installer2/src/main.nsh
+++ b/development/Win32/packaging/installer2/src/main.nsh
@@ -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
--
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