InvokeBuild

3.3.1

Invoke-Builds.ps1


<#
Copyright 2011-2017 Roman Kuzmin
 
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software distributed
under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
#>

#.ExternalHelp Invoke-Build-Help.xml
param(
    [Parameter(Position=0)][hashtable[]]$Build,
    $Result,
    [int]$Timeout=[int]::MaxValue,
    [int]$MaximumBuilds=[Environment]::ProcessorCount
)

# info, result
$info = [PSCustomObject]@{
    Tasks = [System.Collections.Generic.List[object]]@()
    Errors = [System.Collections.Generic.List[object]]@()
    Warnings = [System.Collections.Generic.List[object]]@()
    Started = [DateTime]::Now
    Elapsed = $null
}
if ($Result) {
    if ($Result -is [string]) {
        New-Variable $Result $info -Scope 1 -Force
    }
    else {
        $Result.Value = $info
    }
}

# no builds
if (!$Build) {return}

# engine
$ib = Join-Path (Split-Path $MyInvocation.MyCommand.Path) Invoke-Build.ps1
try {. $ib .} catch {$PSCmdlet.ThrowTerminatingError($_)}

### works
$works = @()
for ($1 = 0; $1 -lt $Build.Count) {
    $b = @{} + $Build[$1]
    $Build[$1++] = $b

    if ($file = $b['File']) {
        if (![System.IO.File]::Exists(($file = *FP $file))) {*TE "Missing script '$file'." 13}
    }
    elseif (!($file = Get-BuildFile (*FP))) {
        *TE "Missing default script in build $1." 5
    }

    $b.Result = @{}
    $b.File = $file
    $b.Safe = $true

    $work = @{}
    $works += $work
    $work.Build = $b
    $work.Title = "($1/$($Build.Count)) $file"
}

# runspace pool
if ($MaximumBuilds -lt 1) {*TE "MaximumBuilds should be a positive number." 5}
$pool = [RunspaceFactory]::CreateRunspacePool(1, $MaximumBuilds)
$failures = @()

try {
    ### begin
    $pool.Open()
    foreach($work in $works) {
        $b = $work.Build

        # log
        if ($log = $b['Log']) {
            $b.Remove('Log')
            [System.IO.File]::Delete(($log = *FP $log))
        }
        else {
            $work.Temp = $true
            $log = [System.IO.Path]::GetTempFileName()
        }
        $work.Log = $log

        # PS
        $work.PS = $ps = [PowerShell]::Create()
        $ps.RunspacePool = $pool
        $work.Job =
        $ps.AddCommand($ib).AddParameters($b).AddCommand('Out-File').AddParameter('FilePath', $log).AddParameter('Encoding', 'UTF8').BeginInvoke()
    }

    ### wait
    $stopwatch = [Diagnostics.Stopwatch]::StartNew()
    foreach($work in $works) {
        Write-Build Cyan $work.Title
        $t = $Timeout - $stopwatch.ElapsedMilliseconds
        $work.Done = if ($t -gt 0) {$work.Job.AsyncWaitHandle.WaitOne($t)}
    }

    ### end
    foreach($work in $works) {
        Write-Build Cyan "Build $($work.Title):"

        $ps = $work.PS
        $exception = $null
        try {
            if ($work.Done) {
                $ps.EndInvoke($work.Job)
            }
            else {
                $ps.Stop()
                $exception = 'Build timed out.'
            }
        }
        catch {
            $exception = $_
        }

        # log
        $log = $work.Log
        if ($work['Temp']) {
            try {
                $read = [System.IO.File]::OpenText($log)
                while($null -ne ($_ = $read.ReadLine())) {$_}
                $read.Close()
            }
            catch {
                Write-Warning $_
            }
            [System.IO.File]::Delete($log)
        }
        else {
            "Log: $log"
        }

        # result, error
        $_ = if ($r = $work.Build.Result['Value']) {
            $r.Error
            $info.Tasks.AddRange($r.Tasks)
            $info.Errors.AddRange($r.Errors)
            $info.Warnings.AddRange($r.Warnings)
        }
        else {
            "'$($work.Build.File)' invocation failed: $exception"
        }
        if (!$_) {
            $_ = $exception
        }
        if ($_) {
            Write-Build Cyan "Build $($work.Title) FAILED."
            $_ = if ($_ -is [System.Management.Automation.ErrorRecord]) {*EI $_ $_} else {"$_"}
            Write-Build Red "ERROR: $_"
            $failures += @{
                File = $work.Title
                Error = $_
            }
        }
        else {
            Write-Build Cyan "Build $($work.Title) succeeded."
        }
    }

    # fail
    if ($failures) {
        *TE ($(
            "Failed builds:"
            foreach($_ in $failures) {
                "Build: $($_.File)"
                "ERROR: $($_.Error)"
            }
        ) -join "`r`n")
    }
}
finally {
    $pool.Close()
    $errors = $info.Errors.Count
    $warnings = $info.Warnings.Count
    $info.Elapsed = [DateTime]::Now - $info.Started

    if (($up = $PSCmdlet.SessionState.PSVariable.Get('*')) -and ($up = if ($up.Description -eq 'IB') {$up.Value})) {
        $up.Tasks.AddRange($info.Tasks)
        $up.Errors.AddRange($info.Errors)
        $up.Warnings.AddRange($info.Warnings)
    }

    $color, $text = if ($failures) {12, 'Builds FAILED'}
    elseif ($errors) {14, 'Builds completed with errors'}
    elseif ($warnings) {14, 'Builds succeeded with warnings'}
    else {10, 'Builds succeeded'}

    Write-Build $color @"
Tasks: $($info.Tasks.Count) tasks, $errors errors, $warnings warnings
$text. $($Build.Count) builds, $($failures.Count) failed $($info.Elapsed)
"@
}