update Win installer with additional metadata, optional desktop icon, custom setup icon

also includes automated version write to replace the need to edit this file manually on every new release

Author: chrissimpkins

target/InnoSetup-Windows/Slice-Installer.iss

@@ -16,15 +16,21 @@
 ;   You should have received a copy of the GNU General Public License
 ;   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+#define BUILDPATH "..\..\dist\Slice.exe"
 
 [Setup]
 AppName=Slice
-AppVersion=0.3.0
+AppVersion=GetFileVersion({#BUILDPATH})
+AppPublisher="Christopher Simpkins"
+AppPublisherURL=https://github.com/source-foundry/Slice
+AppReadmeFile=https://github.com/source-foundry/Slice/blob/main/README.md
+AppSupportURL=https://github.com/source-foundry/Slice/issues
+AppUpdatesURL=https://github.com/source-foundry/Slice/releases
+AppCopyright="Copyright 2021 Christopher Simpkins. GPLv3 License"
 WizardStyle=modern
 DefaultDirName={autopf}\Slice
-; Since no icons will be created in "{group}", we don't need the wizard
-; to ask for a Start Menu folder name:
 DisableProgramGroupPage=yes
+SetupIconFile=..\..\icons\Icon.ico
 UninstallDisplayIcon={app}\Slice.exe
 Compression=lzma2
 SolidCompression=yes
@@ -33,7 +39,13 @@ OutputDir=..\..\dist\Windows-Installer
 LicenseFile=..\..\LICENSE
 
 [Files]
-Source: "..\..\dist\Slice.exe"; DestDir: "{app}"
+Source: {#BUILDPATH}; DestDir: "{app}"
+
+[Tasks]
+Name: desktopicon; Description: "Create a &desktop icon"; GroupDescription: "Additional icons:"
+Name: desktopicon\common; Description: "For all users"; GroupDescription: "Additional icons:"; Flags: exclusive
+Name: desktopicon\user; Description: "For the current user only"; GroupDescription: "Additional icons:"; Flags: exclusive unchecked
 
 [Icons]
 Name: "{autoprograms}\Slice"; Filename: "{app}\Slice.exe"
+Name: "{commondesktop}\Slice"; Filename: "{app}\Slice.exe"; Tasks: desktopicon