commit bd8a9d3ce339ac81c3f064398bcf3060828ba146
Author: Eugene Chornyi <[email protected]>
Date: Fri Dec 11 22:15:02 2020 +0100
Wininstaller2: silently uninstall old LyX if not the same minor version
---
.../Win32/packaging/installer2/src/main.nsh | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/development/Win32/packaging/installer2/src/main.nsh
b/development/Win32/packaging/installer2/src/main.nsh
index 410910d..4bec8ac 100644
--- a/development/Win32/packaging/installer2/src/main.nsh
+++ b/development/Win32/packaging/installer2/src/main.nsh
@@ -522,6 +522,17 @@ Section -CheckSilent # This section checks if it's a
silent install and calls ne
Call DefaultDesktopFileAssoc
SectionEnd
+Section -UninstallOld
+ ${If} ${FileExists} "$INSTDIR\Uninstall-LyX.exe"
+ ${GetFileVersion} "$INSTDIR\Uninstall-LyX.exe" $0
+ StrCpy $0 $0 3 # get only the first 3 chars, e.g. "2.3"
+ ${If} $0 != "${VERSION_MAJOR}.${VERSION_MINOR}"
+ ExecWait "$INSTDIR\Uninstall-LyX.exe /S _?=$INSTDIR" # silently
uninstall old LyX
+ Delete "$INSTDIR\Uninstall-LyX.exe"
+ ${EndIf}
+ ${EndIf}
+SectionEnd
+
Section -OverInstallReg # If over-installing, we need to delete the registry
keys written by the previous installment
Call PrepareShellCTX # Helper function from above
StrCpy $1 0
--
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