scripts,CI: determine & build frontend in scripts

Determine frontend to be built in configure script and build it
in make script.

Have 2 variants of global.json (one for MAUI/Gtk with .NET6
and one for other MAUI platfoprms with .NET8) and choose
appropriate one in configure script.

Author: webwarrior-ws

.github/workflows/CI.yml

@@ -26,18 +26,12 @@ jobs:
       uses: actions/[email protected]
       with:
         dotnet-version: '8.0.300'
-    - name: Replace global.json in root dir
-      run: |
-        # Use global.json from src/GWallet.Frontend.Maui as it specifies .NET8
-        cp ./src/GWallet.Frontend.Maui/global.json ./        
     - name: install maui workload
       run: dotnet workload install maui
     - name: configure
       run: ./configure.sh
     - name: build in DEBUG mode
       run: make
-    - name: Build Maui Android frontend
-      run: dotnet build src/GWallet.Frontend.Maui/GWallet.Frontend.Maui.fsproj --framework=net8.0-android
     - name: Build Android APK
       run: dotnet publish src/GWallet.Frontend.Maui/GWallet.Frontend.Maui.fsproj --framework net8.0-android --configuration Release
     # Upload artifact fails with "permission denied" error without this
@@ -226,10 +220,6 @@ jobs:
       uses: actions/[email protected]
       with:
         dotnet-version: ${{ env.DotnetVersion }}
-    - name: Replace global.json in src/GWallet.Frontend.Maui
-      run: |
-        # Use global.json from root as it specifies .NET6
-        cp ./global.json ./src/GWallet.Frontend.Maui/
     - name: Install gtk workload
       run: |
         wget -O gtksharp.net.sdk.gtk.manifest-${{ env.DotnetVersion }}.nupkg https://globalcdn.nuget.org/packages/gtksharp.net.sdk.gtk.manifest-${{ env.DotnetVersion }}.$GtkSharpVersion.nupkg
@@ -254,9 +244,6 @@ jobs:
       run: ./configure.sh
     - name: build in DEBUG mode
       run: make
-    - name: build Maui frontend
-      run: |
-        dotnet build src/GWallet.Frontend.Maui/GWallet.Frontend.Maui.fsproj --framework=net6.0-gtk
     - name: sanity check
       run: make sanitycheck
     - name: unit tests
@@ -667,11 +654,6 @@ jobs:
       run: |
         git submodule foreach git fetch --all && git submodule sync --recursive && git submodule update --init --recursive
         dotnet fsi ./scripts/snap_bump.fsx
-    
-    - name: Replace global.json in src/GWallet.Frontend.Maui
-      run: |
-        # Use global.json from root as it specifies .NET6
-        cp ./global.json ./src/GWallet.Frontend.Maui/
 
     - name: Generate snap package
       run: ./scripts/snap_build_maui.sh || (cat /home/runner/.local/state/snapcraft/log/*.log && exit 1)

global.json renamed to global-net6.json

@@ -1,6 +1,6 @@
 {
     "sdk": {
-      "version": "6.0.113",
+      "version": "6.0.400",
       "rollForward": "latestMinor"
     }
-  }
+}

src/GWallet.Frontend.Maui/global.json renamed to global-net8.json

@@ -3,4 +3,4 @@
       "version": "8.0.0",
       "rollForward": "latestMinor"
     }
-}
+}

scripts/configure.fsx

@@ -3,6 +3,7 @@
 open System
 open System.IO
 open System.Linq
+open System.Text.RegularExpressions
 
 #if !LEGACY_FRAMEWORK
 #r "nuget: Fsdk, Version=0.6.0--date20231031-0834.git-2737eea"
@@ -202,9 +203,34 @@ let AddToDefinedConstants (constant: string) (configMap: Map<string, string>) =
         configMap
         |> Map.add configKey (sprintf "%s;%s" previousConstants constant)
 
+let mauiWorkloads =
+    match buildTool with
+    | Some "dotnet" ->
+        let workloadListResult =
+            Process
+                .Execute({ Command = "dotnet"; Arguments = "workload list" }, Echo.All)
+                .Unwrap("dotnet workload list command failed")
+        Regex.Matches(workloadListResult, "^(maui[a-zA-Z0-9\\-]*)", RegexOptions.Multiline).Cast<Match>()
+        |> Seq.map (fun each -> each.Value)
+        |> Seq.toList
+    | _ -> List.Empty
+
+let frontend =
+    if not (List.isEmpty mauiWorkloads) then
+        if mauiWorkloads |> List.exists (fun workload -> workload.Contains "gtk") then
+            "Maui/Gtk"
+        else
+            "Maui"
+    elif areGtkLibsAbsentOrDoesNotApply then
+        "Console"
+    else
+        "Xamarin.Forms"
 
 let configFileToBeWritten =
-    let initialConfigFile = Map.empty.Add("Prefix", prefix.FullName)
+    let initialConfigFile = 
+        Map.empty
+            .Add("Prefix", prefix.FullName)
+            .Add("Frontend", frontend)
 
     let configFileStageTwo =
         match legacyBuildTool with
@@ -240,12 +266,14 @@ let version = Misc.GetCurrentVersion(rootDir)
 
 let repoInfo = Git.GetRepoInfo()
 
-let frontend =
-    if areGtkLibsAbsentOrDoesNotApply then
-        "Console"
-    else
-        "Xamarin.Forms"
-
+if not (List.isEmpty mauiWorkloads) then
+    let globalJsonFile =
+        if frontend = "Maui/Gtk" then
+            "global-net6.json"
+        else
+            "global-net8.json"
+    
+    File.Copy(globalJsonFile, "global.json")
 
 Console.WriteLine()
 Console.WriteLine(sprintf

scripts/make.fsx

@@ -53,14 +53,17 @@ type FrontendProject =
 type FrontendApp =
     | Console
     | Gtk
+    | Maui
     member self.GetProjectName() =
         match self with
         | Console -> CONSOLE_FRONTEND_APP
         | Gtk -> GTK_FRONTEND_APP
+        | Maui -> MAUI_FRONTEND_APP
     member self.GetExecutableName() =
         match self with
         | Console -> CONSOLE_FRONTEND_APP
         | Gtk -> UNIX_NAME
+        | Maui -> MAUI_FRONTEND_APP
     override self.ToString() =
         sprintf "%A" self
 
@@ -310,17 +313,14 @@ let DotNetBuild
             ()
     | _ -> ()
 
-// We have to build Maui project for android twice because the first time we get
-// an error about Resource file not found. The second time it works. 
-// https://github.com/fabulous-dev/FSharp.Mobile.Templates/tree/55a1f3a0fd5cc397e48677ef4ff9241b360b0e84 
-let BuildMauiProject binaryConfig =
+let BuildMauiProject (binaryConfig: BinaryConfig) (frameworkIdentifier: string) =
     let mauiProjectFilePath = FrontendProject.Maui.GetProjectFile().FullName
-    DotNetBuild mauiProjectFilePath binaryConfig "--framework net8.0-android" true
-    DotNetBuild mauiProjectFilePath binaryConfig "--framework net8.0-android" false
+    DotNetBuild mauiProjectFilePath binaryConfig (sprintf "--framework %s" frameworkIdentifier) true
 
 let JustBuild binaryConfig maybeConstant: FrontendApp*FileInfo =
     let maybeBuildTool = Map.tryFind "BuildTool" buildConfigContents
     let maybeLegacyBuildTool = Map.tryFind "LegacyBuildTool" buildConfigContents
+    let maybeConfigFrontend = Map.tryFind "Frontend" buildConfigContents
 
     let solutionFile = FsxHelper.GetSolution SolutionFile.Default
     let getBuildToolAndArgs(buildTool: string) =
@@ -381,7 +381,6 @@ let JustBuild binaryConfig maybeConstant: FrontendApp*FileInfo =
                     // somehow, msbuild doesn't restore the frontend dependencies (e.g. Xamarin.Forms) when targetting
                     // the {LINUX|MAC}_SOLUTION_FILE below, so we need this workaround. TODO: just finish migrating to MAUI(dotnet restore)
                     NugetRestore solution
-                    CopyXamlFiles()
                     MSBuildRestoreAndBuild solution
 
                 FrontendApp.Console
@@ -398,6 +397,13 @@ let JustBuild binaryConfig maybeConstant: FrontendApp*FileInfo =
                     FrontendApp.Console
 
             | _ -> FrontendApp.Console
+        | Some "dotnet", _ when maybeConfigFrontend |> Option.exists (fun value -> value.StartsWith "Maui") ->
+            if maybeConfigFrontend = Some "Maui/Gtk" then
+                BuildMauiProject binaryConfig "net6.0-gtk"
+            else
+                BuildMauiProject binaryConfig "net8.0-android"
+
+            FrontendApp.Maui
         | Some buildTool, Some legacyBuildTool when buildTool = "dotnet" && legacyBuildTool = "xbuild" ->
             if FsxHelper.AreGtkLibsPresent Echo.All then
                 BuildSolutionOrProject