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templates/installer: Refactor installer code for easier changes

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Michael Fabian 'Xaymar' Dirks 2020-12-04 06:46:31 +01:00 committed by Xaymar
parent 002d507cc8
commit 80ce8b9061
1 changed files with 95 additions and 61 deletions
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156
templates/installer.iss.in
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@ -2,9 +2,11 @@
; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
#define MyAppName "@PROJECT_FULL_NAME@"
#define MyAppVersion "@PROJECT_VERSION_MAJOR@.@PROJECT_VERSION_MINOR@.@PROJECT_VERSION_PATCH@.@PROJECT_VERSION_TWEAK@"
#define MyAppVersion "@VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_PATCH@.@VERSION_TWEAK@"
#define MyAppVersionText "@VERSION_STRING@"
#define MyAppPublisher "Xaymars Technology Workshop"
#define MyAppURL "https://www.xaymar.com/"
#define MyAppURL "https://xaymar.com/"
#define MyAppCopyright "@PROJECT_COPYRIGHT_YEARS@ @PROJECT_AUTHORS@"
[Setup]
; NOTE: The value of AppId uniquely identifies this application.
@ -22,12 +24,17 @@ AppUpdatesURL={#MyAppURL}
AppMutex={#MyAppName}
; Versioning
VersionInfoProductName={#MyAppName}
VersionInfoProductVersion={#MyAppVersion}
VersionInfoVersion={#MyAppVersion}
VersionInfoProductTextVersion={#MyAppVersionText}
VersionInfoTextVersion={#MyAppVersionText}
VersionInfoCompany={#MyAppPublisher}
VersionInfoCopyright={#MyAppCopyright}
VersionInfoDescription={#MyAppName} Setup
; Architecture (Platform is always Windows)
ArchitecturesInstallIn64BitMode=@ARCH@
ArchitecturesInstallIn64BitMode=x64 arm64 ia64
ArchitecturesAllowed=@ARCH@
; Wizard Information
@ -36,7 +43,8 @@ WizardResizable=yes
SetupIconFile="@PROJECT_SOURCE_DIR@/media/icon.ico"
; Other Information
DefaultDirName={code:GetDirName}
UsePreviousAppDir=yes
DefaultDirName={code:GetDefaultDirectory}
DefaultGroupName={#MyAppName}
AllowNoIcons=yes
LicenseFile="@ISS_SOURCE_DIR@/LICENSE"
@ -51,7 +59,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
[Files]
Source: "@ISS_FILES_DIR@/*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
Source: "@PROJECT_SOURCE_DIR@/third-party/msvc-redist-helper.exe"; DestDir: "{app}"; DestName: "msvc-redist-helper.exe"; Flags: ignoreversion dontcopy noencryption
Source: "@PROJECT_SOURCE_DIR@/templates/msvc-redist-helper.exe"; DestDir: "{app}"; DestName: "msvc-redist-helper.exe"; Flags: ignoreversion dontcopy noencryption
; NOTE: Don't use "Flags: ignoreversion" on any shared system files
[Icons]
@ -59,78 +67,104 @@ Name: "{group}\{cm:ProgramOnTheWeb,{#MyAppName}}"; Filename: "{#MyAppURL}"
Name: "{group}\{cm:UninstallProgram,{#MyAppName}}"; Filename: "{uninstallexe}"
[Code]
function GetDirName(Value: string): string;
var
InstallPath: string;
// ------------------------------------------------------------------------------------------------------------------ //
function FindRegistryKey(): String;
begin
// initialize default path, which will be returned when the following registry
// key queries fail due to missing keys or for some different reason
Result := ExpandConstant('{pf}\obs-studio');
// query the first registry value; if this succeeds, return the obtained value
if RegQueryStringValue(HKLM32, 'SOFTWARE\OBS Studio', '', InstallPath) then
Result := InstallPath
Result := ExpandConstant('Software\Microsoft\Windows\CurrentVersion\Uninstall\{#emit SetupSetting('AppId')}_is1');
end;
/////////////////////////////////////////////////////////////////////
function GetUninstallString(): String;
// ------------------------------------------------------------------------------------------------------------------ //
function GetDefaultDirectory(Value: String): String;
var
sUnInstPath: String;
sUnInstallString: String;
sInstallPath: String;
begin
sUnInstPath := ExpandConstant('Software\Microsoft\Windows\CurrentVersion\Uninstall\{#emit SetupSetting("AppId")}_is1');
sUnInstallString := '';
if not RegQueryStringValue(HKLM, sUnInstPath, 'UninstallString', sUnInstallString) then
RegQueryStringValue(HKCU, sUnInstPath, 'UninstallString', sUnInstallString);
Result := sUnInstallString;
// 1. Use the path we were given on call.
sInstallPath := Value;
// 2. If that was empty, try and find it ourselves from the registry.
if (sInstallPath = '') then
RegQueryStringValue(HKA64, FindRegistryKey(), 'InstallLocation', sInstallPath);
// 2. If empty, try and find the "Local Machine" installation of OBS Studio.
if (sInstallPath = '') then
RegQueryStringValue(HKLM64, 'SOFTWARE\OBS Studio', '', sInstallPath);
// 3. If empty, try and find the "Current User" installation of OBS Studio.
if (sInstallPath = '') then
RegQueryStringValue(HKCU64, 'SOFTWARE\OBS Studio', '', sInstallPath);
// 4. If empty, try and find the 32-bit "Local Machine" installation of OBS Studio.
if (sInstallPath = '') then
RegQueryStringValue(HKLM32, 'SOFTWARE\OBS Studio', '', sInstallPath);
// 5. If empty, try and find the 32-bit "Current User" installation of OBS Studio.
if (sInstallPath = '') then
RegQueryStringValue(HKCU32, 'SOFTWARE\OBS Studio', '', sInstallPath);
// 6. If empty, just use the default path.
if (sInstallPath = '') then
sInstallPath := ExpandConstant('{commonpf}\obs-studio');
Result := sInstallPath
end;
/////////////////////////////////////////////////////////////////////
// ------------------------------------------------------------------------------------------------------------------ //
function GetUninstallerPath(): String;
var
sRegistryKey: String;
sUninstallerPath: String;
begin
sRegistryKey := FindRegistryKey();
RegQueryStringValue(HKLM64, sRegistryKey, 'UninstallString', sUninstallerPath);
if (sUninstallerPath = '') then
RegQueryStringValue(HKCU64, sRegistryKey, 'UninstallString', sUninstallerPath);
if (sUninstallerPath = '') then
RegQueryStringValue(HKLM32, sRegistryKey, 'UninstallString', sUninstallerPath);
if (sUninstallerPath = '') then
RegQueryStringValue(HKCU32, sRegistryKey, 'UninstallString', sUninstallerPath);
Result := sUninstallerPath;
end;
// ------------------------------------------------------------------------------------------------------------------ //
function IsUpgrade(): Boolean;
begin
Result := (GetUninstallString() <> '');
Result := (GetUninstallerPath() <> '');
end;
/////////////////////////////////////////////////////////////////////
function UnInstallOldVersion(): Integer;
// ------------------------------------------------------------------------------------------------------------------ //
function UninstallOldVersion(): Integer;
var
sUnInstallString: String;
iResultCode: Integer;
sUninstallerPath: String;
iResultCode: Integer;
begin
// Return Values:
// 1 - uninstall string is empty
// 2 - error executing the UnInstallString
// 3 - successfully executed the UnInstallString
// default return value
Result := 0;
// get the uninstall string of the old app
sUnInstallString := GetUninstallString();
if sUnInstallString <> '' then begin
sUnInstallString := RemoveQuotes(sUnInstallString);
if Exec(sUnInstallString, '/VERYSILENT /NORESTART /SUPPRESSMSGBOXES','', SW_HIDE, ewWaitUntilTerminated, iResultCode) then
Result := 3
else
Result := 2;
end else
Result := 1;
Result := 0;
sUninstallerPath := GetUninstallerPath();
if (sUninstallerPath <> '') then begin
sUninstallerPath := RemoveQuotes(sUninstallerPath);
if Exec(sUninstallerPath, '/VERYSILENT /NORESTART /SUPPRESSMSGBOXES', '', SW_HIDE, ewWaitUntilTerminated, iResultCode) then begin
Result := iResultCode
end else begin
Result := 1
end;
end;
end;
/////////////////////////////////////////////////////////////////////
procedure CurStepChanged(CurStep: TSetupStep);
// ------------------------------------------------------------------------------------------------------------------ //
function PrepareToInstall(var NeedsRestart: Boolean): String;
var
ResultCode: Integer;
iResultCode: Integer;
begin
if (CurStep=ssInstall) then
begin
if (IsUpgrade()) then
begin
UnInstallOldVersion();
end;
end;
if (CurStep=ssPostInstall) then
begin
// Attempt to remove old version if it exists.
if (IsUpgrade()) then begin
UninstallOldVersion();
end;
// Also ensure that we have the necessary prerequisites installed to run the program.
ExtractTemporaryFile('msvc-redist-helper.exe');
Exec(ExpandConstant('{tmp}\msvc-redist-helper.exe'), '2019', '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
end;
Exec(ExpandConstant('{tmp}\msvc-redist-helper.exe'), '2019', '', SW_HIDE, ewWaitUntilTerminated, iResultCode);
end;