aw/valentina
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Warn about overriding previous version.

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This commit is contained in:
Roman Telezhynskyi 2024-02-28 12:24:54 +02:00
parent 21b8401466
commit ced93eb58a
1 changed files with 12 additions and 3 deletions
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15
dist/win/inno/valentina.iss vendored
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@ -519,6 +519,15 @@ end;
/////////////////////////////////////////////////////////////////////
// Version comparison on installation
function GetRegistryRootKey(): Integer;
begin
// Check if the installer is running in administrative install mode
if IsAdminInstallMode() then
Result := HKEY_LOCAL_MACHINE
else
Result := HKEY_CURRENT_USER;
end;
function VersionCompareAndUninstall(): Boolean;
var
oldVersion: String;
@ -528,10 +537,10 @@ var
begin
tmpId := '{#emit SetupSetting("AppId")}';
Delete(tmpId,1,1);
if RegKeyExists(HKEY_LOCAL_MACHINE,
if RegKeyExists(GetRegistryRootKey(),
'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + tmpId + '_is1') then
begin
RegQueryStringValue(HKEY_LOCAL_MACHINE,
RegQueryStringValue(GetRegistryRootKey(),
'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + tmpId + '_is1',
'DisplayVersion', oldVersion);
if (CompareVersion(oldVersion, '{#emit SetupSetting("AppVersion")}') < 0) then
@ -543,7 +552,7 @@ begin
end
else
begin
RegQueryStringValue(HKEY_LOCAL_MACHINE,'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + tmpId + '_is1','UninstallString', uninstaller);
RegQueryStringValue(GetRegistryRootKey(),'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + tmpId + '_is1','UninstallString', uninstaller);
If ShellExec('', uninstaller, '/SILENT', '', SW_SHOW, ewWaitUntilTerminated, ErrorCode) then
begin
// handle success if necessary; ResultCode contains the exit code