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CPack/NSIS: Use the installed display name in uninstall prompt

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When a new installation prompts to uninstall the old version,
use the display name of the old version from the registry.

This only affects packages that change their CPACK_NSIS_DISPLAY_NAME.

Patch-by: David Golub <golubdr@gmail.com>
Fixes: #14112
This commit is contained in:
Nikita Nemkin committed 2025-02-20 13:12:11 +05:00
1 parent ebe181646e
commit 33e85acff7
1 file changed
+2 -1
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Modules/Internal/CPack/NSIS.template.in
+2 -1
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@@ -923,8 +923,9 @@ Function .onInit
ReadRegStr $0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@CPACK_PACKAGE_INSTALL_REGISTRY_KEY@" "UninstallString"
StrCmp $0 "" inst
ReadRegStr $1 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@CPACK_PACKAGE_INSTALL_REGISTRY_KEY@" "DisplayName"
MessageBox MB_YESNOCANCEL|MB_ICONEXCLAMATION \
"@CPACK_NSIS_PACKAGE_NAME@ is already installed. $\n$\nDo you want to uninstall the old version before installing the new one?" \
"$1 is already installed. $\n$\nDo you want to uninstall the old version before installing the new one?" \
/SD IDYES IDYES uninst IDNO inst
Abort