mirror of https://github.com/odrling/Aegisub
356 lines
12 KiB
Plaintext
356 lines
12 KiB
Plaintext
[Code]
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var
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HasLegacyVersion: Boolean;
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LegacyStartMenuFolder: string;
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LegacyInstallFolder: string;
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LegacyVersionNumber: string;
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function OldStartMenuFolder(Param: string): string;
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begin
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if HasLegacyVersion then
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Result := LegacyStartMenuFolder
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else
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Result := ExpandConstant('{group}');
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end;
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function OldInstallFolder(Param: string): string;
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begin
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if HasLegacyVersion then
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Result := LegacyInstallFolder
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else
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Result := ExpandConstant('{app}');
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end;
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function BoolToStr(x: Boolean): string;
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begin
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if x then Result := 'Yes' else Result := 'No';
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end;
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function InitializeSetupMigration: Boolean;
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begin
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LegacyStartMenuFolder := 'Aegisub';
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LegacyInstallFolder := ExpandConstant('{pf}\Aegisub');
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LegacyVersionNumber := '1.x';
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try
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HasLegacyVersion := RegValueExists(HKLM, 'SOFTWARE\Aegisub\info', 'InstVer');
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Log(Format('Legacy version found: %s', [BoolToStr(HasLegacyVersion)]));
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if RegQueryStringValue(HKLM, 'SOFTWARE\Aegisub\info', 'StartMenuDir', LegacyStartMenuFolder) then
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LegacyStartMenuFolder := ExpandConstant('{userprograms}\') + LegacyStartMenuFolder;
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Log(Format('Legacy version Start menu folder: %s', [LegacyStartMenuFolder]));
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RegQueryStringValue(HKLM, 'SOFTWARE\Aegisub\info', 'InstallDir', LegacyInstallFolder);
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Log(Format('Legacy version install folder: %s', [LegacyInstallFolder]));
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RegQueryStringValue(HKLM, 'SOFTWARE\Aegisub\info', 'InstVer', LegacyVersionNumber);
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except
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Log('An exception occurred while trying to detect a legacy installation of Aegisub. Assuming there isn''t one.');
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HasLegacyVersion := False;
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end;
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Result := True;
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if HasLegacyVersion then
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Result := SuppressibleMsgBox(Format('A previous installation of Aegisub %s has been detected and will be removed along with its configuration.'#13#10#13#10'Continue installing and remove old version?', [LegacyVersionNumber]), mbConfirmation, MB_YESNO, IDYES) = IDYES;
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end;
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procedure MigrateStyleCatalogs;
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var
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OldCatalogDir: string;
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NewCatalogDir: string;
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search: TFindRec;
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begin
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try
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// Upgrade an 1.x style-catalog by moving it to {appdata}
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OldCatalogDir := OldInstallFolder('') + '\Catalog\';
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Log('-- Migrate style catalogs --');
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if DirExists(OldCatalogDir) then
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begin
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NewCatalogDir := ExpandConstant('{userappdata}\Aegisub\catalog\');
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ForceDirectories(NewCatalogDir);
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Log('Old style catalog dir: ' + OldCatalogDir);
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Log('New catalog dir: ' + NewCatalogDir);
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if FindFirst(OldCatalogDir + '*', search) then
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try
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repeat
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Log('Found style catalog: ' + OldCatalogDir + search.Name);
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if FileCopy(OldCatalogDir+search.Name, NewCatalogDir+search.Name, True) then
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begin
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Log('Copied catalog to: ' + NewCatalogDir+search.Name);
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DeleteFile(OldCatalogDir+search.Name);
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end;
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until not FindNext(search);
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finally
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FindClose(search);
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Log('Done migrating styles');
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end;
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RemoveDir(OldCatalogDir);
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end
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else
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Log('No existing style catalog collection found');
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except
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Log('An exception occurred while trying to migrate style catalogues.');
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end;
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end;
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procedure UninstallLegacyVersion;
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var
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page: TOutputProgressWizardPage;
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file_list: TStringList;
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dir_list: TStringList;
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shortcut_list: TStringList;
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locale_list: TStringList;
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itemsdone, totalitems, i: Integer;
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curname: string;
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begin
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// Uninstall Aegisub 1.x
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Log('-- Uninstall legacy version --');
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page := CreateOutputProgressPage('Uninstalling old version', 'Your old installation of Aegisub is being removed');
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try
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page.SetText('Preparing list of files', '');
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page.Show;
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Log('Load file lists');
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ExtractTemporaryFile('legacy_shortcutlist.txt');
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ExtractTemporaryFile('legacy_filelist.txt');
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ExtractTemporaryFile('legacy_locales.txt');
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ExtractTemporaryFile('legacy_dirlist.txt');
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shortcut_list := TStringList.Create;
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shortcut_list.LoadFromFile(ExpandConstant('{tmp}\legacy_shortcutlist.txt'));
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file_list := TStringList.Create;
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file_list.LoadFromFile(ExpandConstant('{tmp}\legacy_filelist.txt'));
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locale_list := TStringList.Create;
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locale_list.LoadFromFile(ExpandConstant('{tmp}\legacy_locales.txt'));
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dir_list := TStringList.Create;
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dir_list.LoadFromFile(ExpandConstant('{tmp}\legacy_dirlist.txt'));
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itemsdone := 0;
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totalitems := file_list.Count + dir_list.Count + shortcut_list.Count + locale_list.Count + 3;
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// Two extra for the registry keys and one for Start menu folder
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for i := 0 to shortcut_list.Count-1 do
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begin
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try
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curname := LegacyStartMenuFolder + '\' + shortcut_list.Strings[i];
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// Check that the link points to somewhere in the dir we're installing to so we don't
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// delete a shortcut to something else
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page.SetText('Removing shortcuts', curname);
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if Pos(LegacyInstallFolder, RemoveQuotes(ReadShellLink(curname))) = 1 then
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begin
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page.SetProgress(itemsdone, totalitems);
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Log('Remove shortcut: ' + curname);
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if not DeleteFile(curname) then Log('* Deletion failed');
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itemsdone := itemsdone + 1;
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end
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else
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Log('Not deleting shortcut, not to old installation: ' + curname);
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except
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Log('Exception removing shortcut: ' + curname);
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end;
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end;
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page.SetText('Removing Start menu folder', LegacyStartMenuFolder);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove directory: ' + LegacyStartMenuFolder);
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if not RemoveDir(LegacyStartMenuFolder) then Log('* Directory deletion failed');
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itemsdone := itemsdone + 1;
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for i := 0 to file_list.Count-1 do
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begin
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curname := LegacyInstallFolder + '\' + file_list.Strings[i];
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page.SetText('Removing files', curname);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove file: ' + curname);
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if not DeleteFile(curname) then Log('* Deletion failed');
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itemsdone := itemsdone + 1;
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end;
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for i := 0 to locale_list.Count-1 do
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begin
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curname := LegacyInstallFolder + '\' + locale_list.Strings[i];
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page.SetText('Removing folders', curname);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove directory recursively: ' + curname);
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if not DelTree(curname, True, True, True) then Log('* Tree deletion failed');
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itemsdone := itemsdone + 1;
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end;
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for i := 0 to dir_list.Count-1 do
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begin
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curname := LegacyInstallFolder + '\' + dir_list.Strings[i];
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page.SetText('Removing folders', curname);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove directory: ' + curname);
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if not RemoveDir(curname) then Log('* Directory deletion failed');
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itemsdone := itemsdone + 1;
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end;
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page.SetText('Removing registry entries', 'Installation data');
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page.SetProgress(itemsdone, totalitems);
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curname := 'SOFTWARE\Aegisub';
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Log('Remove reg key: HKLM\' + curname);
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if not RegDeleteKeyIncludingSubkeys(HKLM, curname) then Log('* Failed recursively deleting key');
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page.SetText('Removing registry entries', 'Uninstaller entry');
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page.SetProgress(itemsdone+1, totalitems);
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curname := 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Aegisub ' + LegacyVersionNumber;
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Log('Remove reg key: HKLM\' + curname);
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if not RegDeleteKeyIncludingSubkeys(HKLM, curname) then Log('* Failed recursively deleting key');
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page.SetText('Uninstallation complete', '');
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page.SetProgress(totalitems, totalitems);
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except
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Log('An exception occurred while trying to uninstall a legacy version');
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finally
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shortcut_list.Free;
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file_list.Free;
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locale_list.Free;
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dir_list.Free;
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page.Hide;
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end;
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end;
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function SetFileAttributes(lpFileName: WideString; dwFileAttributes: Longint): Boolean;
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external 'SetFileAttributesW@kernel32.dll stdcall';
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procedure CleanUpOldVersion;
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var
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StartMenuFolder, InstallFolder: string;
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page: TOutputProgressWizardPage;
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file_list: TStringList;
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dir_list: TStringList;
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shortcut_list: TStringList;
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locale_list: TStringList;
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itemsdone, totalitems, i: Integer;
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curname, linktarget: string;
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begin
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// Clean up from previous Aegisub 2.x installs
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Log('-- Clean up old versions --');
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page := CreateOutputProgressPage('Cleaning old versions', 'Cleaning up from older versions of Aegisub 2');
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try
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page.SetText('Preparing list of files', '');
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page.Show;
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Log('Load file lists');
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ExtractTemporaryFile('old_shortcutlist.txt');
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ExtractTemporaryFile('old_filelist.txt');
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ExtractTemporaryFile('old_locales.txt');
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ExtractTemporaryFile('old_dirlist.txt');
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shortcut_list := TStringList.Create;
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shortcut_list.LoadFromFile(ExpandConstant('{tmp}\old_shortcutlist.txt'));
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file_list := TStringList.Create;
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file_list.LoadFromFile(ExpandConstant('{tmp}\old_filelist.txt'));
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locale_list := TStringList.Create;
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locale_list.LoadFromFile(ExpandConstant('{tmp}\old_locales.txt'));
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dir_list := TStringList.Create;
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dir_list.LoadFromFile(ExpandConstant('{tmp}\old_dirlist.txt'));
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itemsdone := 0;
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totalitems := file_list.Count + dir_list.Count + shortcut_list.Count + locale_list.Count + 2;
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// Two extra:
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// - Start menu folder
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// - Renaming Aegisub.exe to aegiub32.exe
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StartMenuFolder := ExpandConstant('{commonprograms}\Aegisub\');
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InstallFolder := ExpandConstant('{app}\');
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for i := 0 to shortcut_list.Count-1 do
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begin
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try
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curname := StartMenuFolder + '\' + shortcut_list.Strings[i];
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// Check that the link points to somewhere in the dir we're installing to so we don't
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// delete a shortcut to something else
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page.SetText('Removing shortcuts', curname);
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linktarget := ReadShellLink(curname);
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if Pos(InstallFolder, RemoveQuotes(linktarget)) = 1 then
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begin
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page.SetProgress(itemsdone, totalitems);
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Log('Remove shortcut: ' + curname);
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if not DeleteFile(curname) then Log('* Deletion failed');
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itemsdone := itemsdone + 1;
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end
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else
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begin
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Log('Not deleting shortcut, not to old installation: ' + curname);
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Log('Link target: "' + linktarget + '"; Install folder: "' + InstallFolder + '"');
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end;
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except
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Log('Exception removing shortcut: ' + curname);
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end;
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end;
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page.SetText('Removing Start menu folder', StartMenuFolder);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove directory: ' + StartMenuFolder);
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if not RemoveDir(StartMenuFolder) then Log('* Directory deletion failed');
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itemsdone := itemsdone + 1;
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for i := 0 to file_list.Count-1 do
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begin
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curname := InstallFolder + file_list.Strings[i];
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page.SetText('Removing files', curname);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove file: ' + curname);
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SetFileAttributes(curname, 128); // 128 = FILE_ATTRIBUTE_NORMAL
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if not DeleteFile(curname) then Log('* Deletion failed');
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itemsdone := itemsdone + 1;
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end;
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// This moving is done to help Windows' link tracking code be able to fix shortcuts
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page.SetText('Moving EXE file to new name', 'Aegisub.exe');
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page.SetProgress(itemsdone, totalitems);
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Log('Rename Aegisub.exe to aegisub32.exe');
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RenameFile(InstallFolder+'Aegisub.exe', InstallFolder+'aegisub32.exe');
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itemsdone := itemsdone + 1;
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for i := 0 to locale_list.Count-1 do
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begin
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curname := InstallFolder + locale_list.Strings[i];
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page.SetText('Removing folders', curname);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove directory recursively: ' + curname);
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if not DelTree(curname, True, True, True) then Log('* Tree deletion failed');
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itemsdone := itemsdone + 1;
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end;
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for i := 0 to dir_list.Count-1 do
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begin
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curname := InstallFolder + dir_list.Strings[i];
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page.SetText('Removing folders', curname);
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page.SetProgress(itemsdone, totalitems);
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Log('Remove directory: ' + curname);
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if not RemoveDir(curname) then Log('* Directory deletion failed');
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itemsdone := itemsdone + 1;
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end;
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page.SetText('Uninstallation complete', '');
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page.SetProgress(totalitems, totalitems);
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except
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Log('An exception occurred while trying to clean up an older version');
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finally
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shortcut_list.Free;
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file_list.Free;
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locale_list.Free;
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dir_list.Free;
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page.Hide;
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end;
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end;
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procedure CurStepChangedMigration(CurStep: TSetupStep);
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begin
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if CurStep = ssInstall then
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begin
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if HasLegacyVersion then
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begin
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MigrateStyleCatalogs;
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UninstallLegacyVersion;
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end;
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CleanUpOldVersion;
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end;
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end;
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