FsHotWatch.Build 0.7.0-alpha.51

.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher.
This is a prerelease version of FsHotWatch.Build.
There is a newer prerelease version of this package available.
See the version list below for details. 
dotnet add package FsHotWatch.Build --version 0.7.0-alpha.51
                    


                    

                
NuGet\Install-Package FsHotWatch.Build -Version 0.7.0-alpha.51
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="FsHotWatch.Build" Version="0.7.0-alpha.51" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="FsHotWatch.Build" Version="0.7.0-alpha.51" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="FsHotWatch.Build" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add FsHotWatch.Build --version 0.7.0-alpha.51
                    


                    

                
#r "nuget: FsHotWatch.Build, 0.7.0-alpha.51"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package FsHotWatch.Build@0.7.0-alpha.51
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=FsHotWatch.Build&version=0.7.0-alpha.51&prerelease
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=FsHotWatch.Build&version=0.7.0-alpha.51&prerelease
                    


                            Install as a Cake Tool

FsHotWatch.Build

Plugin that runs a build command when source files change and emits BuildCompleted events for downstream plugins (like test runners and coverage checkers).

Status: early alpha, and a lot of it is AI-written. APIs shift between versions and rough edges are expected — your mileage may vary. Issues and PRs are very welcome.

Why

Without this plugin, each tool would need to trigger its own build. The BuildPlugin centralizes builds so they happen once, and downstream plugins (TestPrune) react to the result.

How it works

  1. You save a file
  2. BuildPlugin receives FileChanged
  3. It runs dotnet build (or your custom command)
  4. On completion, it emits BuildCompleted (success or failure)
  5. Downstream plugins like TestPrune react to the build result

The plugin guards against concurrent builds -- if a build is already running and you save again, it skips. A change to test files alone still runs a build: the tests run the compiled test assembly, so it must be rebuilt (ADR-012).

Configuration

In .fshw.json:

{
  "build": {
    "command": "dotnet",
    "args": "build",
    "buildTemplate": "dotnet build {project}"
  }
}

Set "build": false to disable the build plugin entirely.

Field Type Default Description
command string "dotnet" Build command.
args string "build" Arguments to the build command.
buildTemplate string -- Template for incremental builds, run once per root project: of the non-test projects affected by the change, each one that no other affected non-test project depends on. {project} is replaced with that root's path. Test projects are never built by the template; when the change reaches no non-test project, the command/args build runs instead.

CLI

# Run every check (build is part of it) and wait for it
fshw check

# Check build status without triggering a run
fshw status build

# Query the build plugin's own command directly
fshw build-status

Programmatic usage

From the FullPipelineExample:

daemon.RegisterHandler(
    BuildPlugin.create
        "dotnet"          // command
        "build"           // args
        []                // environment variables
        daemon.Graph      // project graph
        []                // test project names (to skip build-only-test-changes)
        None              // build template
        []                // dependsOn — plugins this one waits for
        None              // timeoutSec (None → no timeout)
)

Install

dotnet add package FsHotWatch.Build
Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.7.0-alpha.55 51 11/9/2026
0.7.0-alpha.54 50 11/8/2026
0.7.0-alpha.53 66 11/2/2026
0.7.0-alpha.52 71 10/31/2026
0.7.0-alpha.51 73 10/31/2026
0.7.0-alpha.50 69 10/29/2026
0.7.0-alpha.49 66 10/26/2026
0.7.0-alpha.48 65 10/25/2026
0.7.0-alpha.47 72 10/18/2026
0.7.0-alpha.46 70 10/16/2026
0.7.0-alpha.45 77 10/5/2026
0.7.0-alpha.44 77 9/29/2026
0.7.0-alpha.43 74 9/29/2026
0.7.0-alpha.42 84 9/25/2026
0.7.0-alpha.41 76 9/25/2026
0.7.0-alpha.40 84 9/24/2026
0.7.0-alpha.39 80 9/23/2026
0.7.0-alpha.38 81 9/20/2026
0.7.0-alpha.37 81 9/18/2026
0.7.0-alpha.36 79 9/17/2026
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