Delete old installation of Configurator before installing

10.7-maintenance
Miguel Angel Mulero Martinez 2020-10-22 18:43:36 +02:00 committed by Ivan Efimov
parent 61317fff47
commit 6fe4014007
1 changed files with 48 additions and 16 deletions

View File

@ -91,44 +91,76 @@ WizardSmallImageFile=bf_installer_small.bmp
WizardStyle=modern
[Code]
function GetOldNsisUninstallerPath(): String;
var
RegKey: String;
begin
Result := '';
// Look into the different registry entries: win32, win64 and without user rights
if not RegQueryStringValue(HKLM, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Betaflight Configurator', 'UninstallString', Result) then
begin
if not RegQueryStringValue(HKLM, 'SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Betaflight Configurator', 'UninstallString', Result) then
begin
RegQueryStringValue(HKCU, 'SOFTWARE\Betaflight\Betaflight Configurator', 'UninstallString', Result)
end;
end;
end;
function GetQuietUninstallerPath(): String;
var
RegKey: String;
begin
Result := '';
RegKey := Format('%s\%s_is1', ['Software\Microsoft\Windows\CurrentVersion\Uninstall', '{#emit SetupSetting("AppId")}']);
if not RegQueryStringValue(HKEY_LOCAL_MACHINE, RegKey, 'QuietUninstallString', Result) then
begin
RegQueryStringValue(HKEY_CURRENT_USER, RegKey, 'QuietUninstallString', Result);
end;
end;
function InitializeSetup(): Boolean;
var
ResultCode: Integer;
ResultStr: String;
ParameterStr : String;
UninstPath : String;
begin
Result := True;
// Check if the application is already installed by the old NSIS installer, and uninstall it
// Look into the different registry entries: win32, win64 and without user rights
if not RegQueryStringValue(HKLM, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Betaflight Configurator', 'UninstallString', ResultStr) then
begin
if not RegQueryStringValue(HKLM, 'SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Betaflight Configurator', 'UninstallString', ResultStr) then
begin
RegQueryStringValue(HKCU, 'SOFTWARE\Betaflight\Betaflight Configurator', 'UninstallString', ResultStr)
end;
end;
UninstPath := GetOldNsisUninstallerPath();
// Found, start uninstall
if ResultStr <> '' then
if UninstPath <> '' then
begin
ResultStr:=RemoveQuotes(ResultStr);
UninstPath := RemoveQuotes(UninstPath);
// Add this parameter to not return until uninstall finished. The drawback is that the uninstaller file is not deleted
ParameterStr := '_?=' + ExtractFilePath(ResultStr);
ParameterStr := '_?=' + ExtractFilePath(UninstPath);
if Exec(ResultStr, ParameterStr, '', SW_SHOW, ewWaitUntilTerminated, ResultCode) then
if Exec(UninstPath, ParameterStr, '', SW_SHOW, ewWaitUntilTerminated, ResultCode) then
begin
// Delete the unistaller file and empty folders. Not deleting the files.
DeleteFile(ResultStr);
DelTree(ExtractFilePath(ResultStr), True, False, True);
DeleteFile(UninstPath);
DelTree(ExtractFilePath(UninstPath), True, False, True);
end
else begin
Result := False;
MsgBox('Error uninstalling old Configurator ' + SysErrorMessage(ResultCode) + '.', mbError, MB_OK);
end;
end;
end
else begin
// Search for new Inno Setup installations
UninstPath := GetQuietUninstallerPath();
if UninstPath <> '' then
begin
if not Exec('>', UninstPath, '', SW_SHOW, ewWaitUntilTerminated, ResultCode) then
begin
Result := False;
MsgBox('Error uninstalling Configurator ' + SysErrorMessage(ResultCode) + '.', mbError, MB_OK);
end;
end;
end;
end;