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| author | Andrei Karas <akaras@inbox.ru> | 2011-07-18 22:23:13 +0300 |
|---|---|---|
| committer | Andrei Karas <akaras@inbox.ru> | 2011-07-18 22:45:41 +0300 |
| commit | 1b076b92f9a63a3f8216b1cd037df71b6bc03711 (patch) | |
| tree | 624530f331bae872bb449636ec6799fb19b0e237 /packaging/windows | |
| parent | af90f5ef81c95cdec378377c3100a4417e0a1708 (diff) | |
| download | ManaVerse-1b076b92f9a63a3f8216b1cd037df71b6bc03711.tar.gz ManaVerse-1b076b92f9a63a3f8216b1cd037df71b6bc03711.tar.bz2 ManaVerse-1b076b92f9a63a3f8216b1cd037df71b6bc03711.tar.xz ManaVerse-1b076b92f9a63a3f8216b1cd037df71b6bc03711.zip | |
Add uninstall before install to windows installer.
Diffstat (limited to 'packaging/windows')
| -rw-r--r-- | packaging/windows/setup.nsi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/packaging/windows/setup.nsi b/packaging/windows/setup.nsi index 17833ddfc..07e649414 100644 --- a/packaging/windows/setup.nsi +++ b/packaging/windows/setup.nsi @@ -177,6 +177,31 @@ Function .onInit !insertmacro MUI_LANGDLL_DISPLAY InitPluginsDir File /oname=$PLUGINSDIR\setup_finish.bmp "setup_finish.bmp" + + ReadRegStr $R0 HKLM \ + "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}" \ + "UninstallString" + StrCmp $R0 "" done + + MessageBox MB_YESNO|MB_ICONEXCLAMATION \ + "${PRODUCT_NAME} is already installed. $\n$\nClick `YES` (recomended) to remove the \ + previous version or `NO` to install new version over old version." \ + IDYES uninst + Abort +;Run the uninstaller +uninst: + ClearErrors + ExecWait '$R0 _?=$INSTDIR' ;Do not copy the uninstaller to a temp file + + IfErrors no_remove_uninstaller done + ;You can either use Delete /REBOOTOK in the uninstaller or add some code + ;here to remove the uninstaller. Use a registry key to check + ;whether the user has chosen to uninstall. If you are using an uninstaller + ;components page, make sure all sections are uninstalled. + no_remove_uninstaller: + +done: + FunctionEnd Section "Core files (required)" SecCore |