CSharp-Watch.psm1
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<#
.SYNOPSIS Watches the current path for changes to CSharp files and initiates a build of the project. .DESCRIPTION Watches the current directory and sub-directories for changes to C-Sharp files; initiating a build of the project to which the changed file belongs. .EXAMPLE > cd "D:\path\to\my\project" > D:\path\to\my\project> Start-CSharp-Watch #> function Start-CSharp-Watch() { write-host "CSharp-Watch is watching for file changes..." -foregroundcolor "green" $existingEvents = get-eventsubscriber foreach ($item in $existingEvents) { if ($item.SourceObject.Path -eq $global:EventSourcePath) { Unregister-event -SubscriptionId $item.SubscriptionId write-host "Unsubscribed from: "$item.SourceObject.Path -foregroundcolor Gray } } $global:FileChanged = $false # dirty... any better suggestions? $folder = get-location $global:EventSourcePath = $folder $filter = "*.*" $watcher = New-Object IO.FileSystemWatcher $folder, $filter -Property @{ IncludeSubdirectories = $true EnableRaisingEvents = $true } Register-ObjectEvent $watcher "Changed" -Action { $global:FileChanged = $true $global:ChangedPath = $Event.SourceEventArgs.FullPath } > $null While ($true){ While ($global:FileChanged -eq $false){ # We need this to block the IO thread until there is something to run # so the script doesn't finish. If we call the action directly from # the event it won't be able to write to the console Start-Sleep -Milliseconds 100 } # a file has changed, run our stuff on the I/O thread so we can see the output if ($global:ChangedPath -match "(\.cs~|.cs$)") { # this is the bit we want to happen when the file changes write-host "Locating csproj file..." -ForegroundColor darkgreen if ($global:ChangedPath) { write-host "File was changed: '$global:ChangedPath'" -ForegroundColor darkgreen $pathParts = "$global:ChangedPath".Split("\\") $end = $pathParts.Count - 2 # skip the file name to the parent directory $testPath = $pathParts[0..$end] -join "\" write-host "Testing path $testPath" -ForegroundColor darkgreen $csproj = Get-ChildItem -path $testPath *.csproj For ($i = 0; $i -le 25; $i++) { $newEnd = $end - $i $newPath = $pathParts[0..$newEnd] -join "\" $csproj = Get-ChildItem -path $newPath *.csproj write-host "$i. trying: $newPath, csproj: $csproj" -ForegroundColor darkgreen if ($csproj) { write-host "Found on $i, at $newPath, $csproj" -ForegroundColor darkgreen break } } if ("$csproj".EndsWith(".csproj")) { write-host "Ready: $newPath\$csproj" -foregroundcolor DarkGreen $msbuild = "C:\Program Files (x86)\MSBuild\14.0\Bin\MSBuild.exe" & $msbuild ("$newPath\$csproj", "/target:Build", "/p:configuration=debug", "/verbosity:m") } } } # reset and go again $global:FileChanged = $false } } <# .SYNOPSIS Unsubscribes current path from the watch event. .DESCRIPTION Unsubscribes current path from the watch event. .EXAMPLE > cd "D:\path\to\my\project" > D:\path\to\my\project> Stop-CSharp-Watch #> function Stop-CSharp-Watch() { $existingEvents = get-eventsubscriber ForEach ($item in $existingEvents) { if ($item.SourceObject.Path -eq $global:EventSourcePath) { Unregister-event -SubscriptionId $item.SubscriptionId write-host "Unsubscribed from: "$item.SourceObject.Path -foregroundcolor Gray } } break } |