Solution Build/Clean/Rebuild on Solutions open from Solution filters runs on the original solution

[marcopelegrini]

Type: Bug

Issue Description

Solution Build/Clean/Rebuild on Solutions open from Solution filters runs on the original solution (sln file) instead of the slnf file

Steps to Reproduce

dotnet new sln -n MySolution
dotnet new console -n MyApp
dotnet sln MySolution.sln add MyApp/MyApp.csproj
dotnet new classlib -n MyLib
dotnet sln MySolution.sln add MyLib/MyLib.csproj
slnf-gen MySolution.sln --exclude '**/MyLib*'

Open the MySolution.slnf Build

Expected Behavior

Build runs on the MySolution.slnf

Actual Behavior

Build runs on MySolution.sln

Logs

dotnet build /Users/marco/Dev/test-solution/MySolution.sln --no-incremental /property:GenerateFullPaths=true /consoleloggerparameters:NoSummary /p:Configuration=Debug /p:Platform="Any CPU" 
C# extension build result service is available.
  Determining projects to restore...
  All projects are up-to-date for restore.
  MyLib -> /Users/marco/Dev/test-solution/MyLib/bin/Debug/net9.0/MyLib.dll
  MyApp -> /Users/marco/Dev/test-solution/MyApp/bin/Debug/net9.0/MyApp.dll
 *  Terminal will be reused by tasks, press any key to close it. 

C# log

Activating task providers dotnet

C# LSP Trace Logs

non

Environment information

VSCode version: 1.101.1 C# Extension: 2.80.16 Using OmniSharp: false

Dotnet Information

.NET SDK: Version: 9.0.300 Commit: 15606fe0a8 Workload version: 9.0.300-manifests.c678e91b MSBuild version: 17.14.5+edd3bbf37

Runtime Environment: OS Name: Mac OS X OS Version: 15.5 OS Platform: Darwin RID: osx-arm64 Base Path: /usr/local/share/dotnet/sdk/9.0.300/

.NET workloads installed: There are no installed workloads to display. Configured to use loose manifests when installing new manifests.

Host: Version: 9.0.5 Architecture: arm64 Commit: e36e4d1a8f

.NET SDKs installed: 6.0.427 [/usr/local/share/dotnet/sdk] 8.0.407 [/usr/local/share/dotnet/sdk] 9.0.300 [/usr/local/share/dotnet/sdk]

.NET runtimes installed: Microsoft.AspNetCore.App 6.0.35 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 7.0.14 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 7.0.18 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 8.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 8.0.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 8.0.8 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 8.0.11 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 8.0.14 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 9.0.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 6.0.35 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 7.0.14 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 7.0.18 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.5 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.8 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.11 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.14 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 9.0.5 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

Other architectures found: x64 [/usr/local/share/dotnet/x64] registered at [/etc/dotnet/install_location_x64]

Environment variables: Not set

global.json file: Not found

Learn more: https://aka.ms/dotnet/info

Download .NET: https://aka.ms/dotnet/download

Visual Studio Code Extensions

Extension	Author	Version	Folder Name
codespaces	GitHub	1.17.3	github.codespaces-1.17.3
csdevkit	ms-dotnettools	1.20.35	ms-dotnettools.csdevkit-1.20.35-darwin-arm64
csharp	ms-dotnettools	2.80.16	ms-dotnettools.csharp-2.80.16-darwin-arm64
duplicate-finder	tlevesque2	0.0.6	tlevesque2.duplicate-finder-0.0.6
EditorConfig	EditorConfig	0.17.4	editorconfig.editorconfig-0.17.4
gitignore	codezombiech	0.10.0	codezombiech.gitignore-0.10.0
hammerspoon	virgilsisoe	0.5.2	virgilsisoe.hammerspoon-0.5.2
html-preview-vscode	george-alisson	0.2.5	george-alisson.html-preview-vscode-0.2.5
identical-sublime-monokai-csharp-theme-colorizer	maximetinu	1.2.3	maximetinu.identical-sublime-monokai-csharp-theme-colorizer-1.2.3
lua	sumneko	3.14.0	sumneko.lua-3.14.0-darwin-arm64
opa	tsandall	0.19.0	tsandall.opa-0.19.0
prettier-vscode	esbenp	11.0.0	esbenp.prettier-vscode-11.0.0
rainbow-csv	mechatroner	3.19.0	mechatroner.rainbow-csv-3.19.0
sarif-viewer	MS-SarifVSCode	3.4.5	ms-sarifvscode.sarif-viewer-3.4.5
shell-format	foxundermoon	7.2.5	foxundermoon.shell-format-7.2.5
supermaven	Supermaven	1.1.12	supermaven.supermaven-1.1.12-darwin-arm64
text-power-tools	qcz	1.51.0	qcz.text-power-tools-1.51.0
unique-lines	bibhasdn	1.0.0	bibhasdn.unique-lines-1.0.0
vscode-azurefunctions	ms-azuretools	1.17.3	ms-azuretools.vscode-azurefunctions-1.17.3
vscode-azureresourcegroups	ms-azuretools	0.10.13	ms-azuretools.vscode-azureresourcegroups-0.10.13
vscode-dotnet-runtime	ms-dotnettools	2.3.5	ms-dotnettools.vscode-dotnet-runtime-2.3.5
vscode-eslint	dbaeumer	3.0.10	dbaeumer.vscode-eslint-3.0.10
vscode-html-css	ecmel	2.0.13	ecmel.vscode-html-css-2.0.13
vscode-kubernetes-tools	ms-kubernetes-tools	1.3.24	ms-kubernetes-tools.vscode-kubernetes-tools-1.3.24
vscode-markdownlint	DavidAnson	0.60.0	davidanson.vscode-markdownlint-0.60.0
vscode-mocha-test-runner	cstechnologies	0.3.3	cstechnologies.vscode-mocha-test-runner-0.3.3
vscode-regolint	plex	0.2.0	plex.vscode-regolint-0.2.0
vscode-yaml	redhat	1.18.0	redhat.vscode-yaml-1.18.0
vscodeintellicode-csharp	ms-dotnettools	2.2.3	ms-dotnettools.vscodeintellicode-csharp-2.2.3-darwin-arm64
vulnerability-extension	devprod	1.2025.619002	devprod.vulnerability-extension-1.2025.619002-darwin-arm64
xml	DotJoshJohnson	2.5.1	dotjoshjohnson.xml-2.5.1

Extension version: 2.80.16 VS Code version: Code 1.101.1 (18e3a1ec544e6907be1e944a94c496e302073435, 2025-06-18T13:35:12.605Z) OS version: Darwin arm64 24.5.0 Modes:

System Info

Item	Value
CPUs	Apple M2 Pro (12 x 2400)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: enabled_on direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: enabled_on video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	5, 8, 12
Memory (System)	32.00GB (0.14GB free)
Process Argv
Screen Reader	no
VM	0%