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Wininstaller, fix bug where previous installations, with emergency version greater than 1, could not be seen in registry on overinstall

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This commit is contained in:
Eugene Chornyi 2020-07-07 21:13:34 +02:00
parent 328c70a31a
commit 32e501a282
1 changed files with 6 additions and 2 deletions
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8
development/Win32/packaging/installer/include/init.nsh
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@ -660,13 +660,17 @@ Function .onInit
ReadRegStr $0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}${APP_VERSION_MAJOR}${APP_VERSION_MINOR}$5" "DisplayVersion"
# also check for an emergency release
${if} $0 == ""
ReadRegStr $0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}${APP_VERSION_MAJOR}${APP_VERSION_MINOR}$51" "DisplayVersion"
${For} $7 0 20
ReadRegStr $0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}${APP_VERSION_MAJOR}${APP_VERSION_MINOR}$5$7" "DisplayVersion"
${Next}
${endif}
${else}
ReadRegStr $0 HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}${APP_VERSION_MAJOR}${APP_VERSION_MINOR}$5" "DisplayVersion"
# also check for an emergency release
${if} $0 == ""
ReadRegStr $0 HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}${APP_VERSION_MAJOR}${APP_VERSION_MINOR}$51" "DisplayVersion"
${For} $7 0 20
ReadRegStr $0 HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}${APP_VERSION_MAJOR}${APP_VERSION_MINOR}$5$7" "DisplayVersion"
${Next}
${endif}
${endif}
${if} $0 != ""