InvokeBuild-Help.xml
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<helpItems xmlns="http://msh" schema="maml"> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Invoke-Build.ps1</command:name> <maml:description> <maml:para>Invoke-Build - Build Automation in PowerShell</maml:para> </maml:description> </command:details> <maml:description> <maml:para>The command invokes so called tasks defined in a PowerShell script. Let's call this process build and a script with tasks build script. A build script defines parameters, variables, and one or more tasks. Any code is invoked with the current location set to $BuildRoot, the script directory. $ErrorActionPreference is set to 'Stop'. SCRIPT PARAMETERS Build scripts define parameters as usual using the param() block. On calling, specify them for Invoke-Build as if they are its own. Known issue #4. Specify script switches after Task and File. The following parameter names are reserved for the engine: Task, File, Result, Safe, Summary, WhatIf COMMANDS AND HELP The following commands are available for build scripts: task (Add-BuildTask) exec (Invoke-BuildExec) assert (Assert-Build) equals (Assert-BuildEquals) remove (Remove-BuildItem) property (Get-BuildProperty) requires (Test-BuildAsset) use (Use-BuildAlias) Confirm-Build Get-BuildError Get-BuildSynopsis Resolve-MSBuild Set-BuildFooter Set-BuildHeader Use-BuildEnv Write-Build Write-Warning [1] [1] Write-Warning is redefined internally in order to count warnings in a build script and nested scripts. Warnings in modules are not counted. To get commands help, dot-source Invoke-Build and then call help: PS> . Invoke-Build PS> help task -full SPECIAL ALIASES Invoke-Build Build-Parallel These aliases are for the scripts Invoke-Build.ps1 and Build-Parallel.ps1. Use them for calling nested builds, i.e. omit script extensions and paths. PUBLIC VARIABLES $OriginalLocation - where the build is invoked $WhatIf - WhatIf mode, Invoke-Build parameter $BuildRoot - build script location, by default $BuildFile - build script path $BuildTask - initial tasks $Task - current task $Job - current job $BuildRoot may be changed by scripts on loading in order to set a custom build root directory. Other variables should not be changed. $Task is available for script blocks defined by task parameters If, Inputs, Outputs, and Jobs and by blocks Enter|Exit-BuildTask, Enter|Exit-BuildJob, Set-BuildHeader, Set-BuildFooter. $Task properties: - Name - [string], task name - Jobs - [object[]], task jobs - Started - [DateTime], task start time And in Exit-BuildTask: - Error - task error or null - Elapsed - [TimeSpan], task duration $Task is also defined in the script scope. It has the only property Name which is set to $BuildFile, the build script path. BUILD BLOCKS Scripts may define special script blocks. They are invoked: Enter-Build {} - before the first task Exit-Build {} - after the last task Enter-BuildTask {} - before each task Exit-BuildTask {} - after each task Enter-BuildJob {} - before each task action Exit-BuildJob {} - after each task action Set-BuildHeader {param($Path)} - to write task headers Set-BuildFooter {param($Path)} - to write task footers Blocks are not called on WhatIf. Nested builds do not inherit parent blocks. If Enter-X is called then Exit-X is also called, even on failures. Enter-Build and Exit-Build are invoked in the script scope. Enter-Build is suitable for initialization and it can output text unlike the build script. Enter-BuildTask, Exit-BuildTask, Enter-BuildJob, and Exit-BuildJob are invoked in the same scope, the parent of task action blocks. PRIVATE STUFF Function and variable names starting with '*' are reserved for the engine.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Invoke-Build.ps1</maml:name> <command:parameter required="false" position="0" > <maml:name>Task</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>File</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Result</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Safe</maml:name> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Summary</maml:name> </command:parameter> <command:parameter required="false" position="named" > <maml:name>WhatIf</maml:name> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Task</maml:name> <maml:description> <maml:para>One or more tasks to be invoked. If it is not specified, null, empty, or equal to '.' then the task '.' is invoked if it exists, otherwise the first added task is invoked. Names with wildcard characters are reserved for special cases. SAFE REFERENCES If a task 'X' is referenced as '?X' then it is allowed to fail without breaking the build, i.e. other tasks specified after X will be invoked. SPECIAL TASKS ? - Tells to list tasks with brief information and check for errors. Task synopses are defined in preceding comments as # Synopsis: ... or <# .Synopsis ... #> ?? - Tells to collect and get all tasks as an ordered dictionary. It can be used by external tools for analysis, completion, etc. Tasks ? and ?? set $WhatIf to true. Properly designed build scripts should not perform anything significant if $WhatIf is set to true. * - Tells to invoke all tasks, for example when tasks are tests. ** - Invokes * for all files *.test.ps1 found recursively in the current directory or a directory specified by the parameter File.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>File</maml:name> <maml:description> <maml:para>A build script which adds tasks by the command 'task' (Add-BuildTask). If the file is omitted then Invoke-Build looks for *.build.ps1 files in the current location and takes the first in Sort-Object order. If the file is not found then a command set by the environment variable InvokeBuildGetFile is invoked with the directory path as an argument. This command may return the full path of a special build script. If the file is still not found then parent directories are searched. INLINE SCRIPT 'File' is a script block which is normally used in order to assemble a build on the fly without creating and using an extra build script file. $BuildFile is the calling script (or null, e.g. in jobs). The default $BuildRoot is its directory (or the current location). Script parameters, parallel, and persistent builds are not supported.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Result</maml:name> <maml:description> <maml:para>Tells to make the build result. Normally it is the name of a variable created in the calling scope. Or it is a hashtable which entry Value contains the result. Result properties: All - all available tasks Error - a terminating build error Tasks - invoked tasks including nested Errors - error objects including nested Warnings - warning objects including nested Redefined - list of original redefined tasks Tasks is a list of objects: Name - task name Jobs - task jobs Error - task error Started - start time Elapsed - task duration InvocationInfo - task location (.ScriptName, .ScriptLineNumber) Errors is a list of objects: Error - original error File - current $BuildFile Task - current $Task or null for other errors Warnings is a list of objects: Message - warning message File - current $BuildFile Task - current $Task or null for other warnings Do not change these data and do not use not documented members.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Safe</maml:name> <maml:description> <maml:para>Tells to catch a build failure, store an error as the property Error of Result and return quietly. A caller should use Result and check Error. Some exceptions are possible even in the safe mode. They show serious errors, not build failures. For example, a build script is missing. When Safe is used together with the special task ** (invoke *.test.ps1) then task failures stop current test scripts, not the whole testing.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Summary</maml:name> <maml:description> <maml:para>Tells to show summary information after the build. It includes task durations, names, locations, and error messages.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>WhatIf</maml:name> <maml:description> <maml:para>Tells to show tasks and jobs to be invoked and some analysis of used parameters and environment variables. See Show-TaskHelp for details. If a script does anything but adding tasks then it should check for $WhatIf and skip the real actions in order to support WhatIf calls. Alternatively, use the Enter-Build block for pre-build actions.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Text</maml:name> </dev:type> <maml:description> <maml:para>Build log which includes task records and engine messages, warnings, errors, and output from build script tasks and special blocks. The script itself should not output anything. Unexpected script output causes warnings, in the future it may be treated as an error.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code>## How to call Invoke-Build in order to deal with build failures. ## Use one of the below techniques or you may miss some failures. ## (1/2) If you do not want to catch errors and just want the calling ## script to stop on build failures then $ErrorActionPreference = 'Stop' Invoke-Build ... ## (2/2) If you want to catch build errors and proceed further depending ## on them then use try/catch, $ErrorActionPreference does not matter: try { Invoke-Build ... # Build completed } catch { # Build FAILED, $_ is the error }</dev:code> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 2 --------------------------</maml:title> <dev:code># Invoke tasks Build and Test from the default script with parameters. # The script defines parameters Output and WarningLevel by param(). Invoke-Build Build, Test -Output log.txt -WarningLevel 4</dev:code> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 3 --------------------------</maml:title> <dev:code># Show tasks in the default script and the specified script Invoke-Build ? Invoke-Build ? Project.build.ps1 # Custom formatting is possible, too Invoke-Build ? | Format-Table -AutoSize Invoke-Build ? | Format-List Name, Synopsis</dev:code> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 4 --------------------------</maml:title> <dev:code># Get task names without invoking for listing, TabExpansion, etc. $all = Invoke-Build ?? $all.Keys</dev:code> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 5 --------------------------</maml:title> <dev:code># Invoke all in Test1.test.ps1 and all in Tests\...\*.test.ps1 Invoke-Build * Test1.test.ps1 Invoke-Build ** Tests</dev:code> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 6 --------------------------</maml:title> <dev:code># How to use build results, e.g. for summary try { # Invoke build and get the variable Result Invoke-Build -Result Result } finally { # Show build error "Build error: $(if ($Result.Error) {$Result.Error} else {'None'})" # Show task summary $Result.Tasks | Format-Table Elapsed, Name, Error -AutoSize }</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Wiki</maml:linkText> <maml:uri>https://github.com/nightroman/Invoke-Build/wiki</maml:uri> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Project</maml:linkText> <maml:uri>https://github.com/nightroman/Invoke-Build</maml:uri> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Build-Checkpoint</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Build-Parallel</maml:linkText> </maml:navigationLink> <maml:navigationLink> </maml:navigationLink> <maml:navigationLink> <maml:linkText>For other commands, at first invoke:</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>PS> . Invoke-Build</maml:linkText> </maml:navigationLink> <maml:navigationLink> </maml:navigationLink> <maml:navigationLink> <maml:linkText>task (Add-BuildTask)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>exec (Invoke-BuildExec)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>assert (Assert-Build)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>equals (Assert-BuildEquals)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>remove (Remove-BuildItem)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>property (Get-BuildProperty)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>requires (Test-BuildAsset)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>use (Use-BuildAlias)</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Confirm-Build</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Get-BuildError</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Get-BuildSynopsis</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Resolve-MSBuild</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Set-BuildFooter</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Set-BuildHeader</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Write-Build</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Add-BuildTask</command:name> <maml:description> <maml:para>(task) Defines and adds a task.</maml:para> </maml:description> <command:verb>Add</command:verb> <command:noun>BuildTask</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'task'. It is normally used in the build script scope but it can be called from another script or function. Build scripts should have at least one task. This command is all that build scripts really need. Tasks are main build blocks. Other build commands are helpers, scripts do not have to use them. In addition to task parameters, you may use task help comments, synopses, preceding task definitions: # Synopsis: ... task ... Synopses are used in task help information returned by the command Invoke-Build ? To get a task synopsis during a build, use Get-BuildSynopsis.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Add-BuildTask</maml:name> <command:parameter required="true" position="0" > <maml:name>Name</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Jobs</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>After</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Before</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Data</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Done</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>If</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Inputs</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Outputs</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Source</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Partial</maml:name> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Name</maml:name> <maml:description> <maml:para>The task name. Wildcard characters are deprecated and "?" must not be the first character. Duplicated names are allowed, each added task overrides previously added with the same name.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Jobs</maml:name> <maml:description> <maml:para>Specifies one or more task jobs or a hashtable with actual parameters. Jobs are other task references and own actions, script blocks. Any number of jobs is allowed. Jobs are invoked in the specified order. Valid jobs are: [string] - an existing task name, normal reference [string] "?Name" - safe reference to a task allowed to fail [scriptblock] - action, a script block invoked for this task Special value: [hashtable] which contains the actual task parameters in addition to the task name. This task definition is more convenient with complex parameters, often typical for incremental tasks. Example: task Name @{ Inputs = {...} Outputs = {...} Partial = $true Jobs = { process {...} } }</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>After</maml:name> <maml:description> <maml:para>Tells to add this task to the end of jobs of the specified tasks. Altered tasks are defined as normal references (TaskName) or safe references (?TaskName). In the latter case this inserted task may fail without stopping a build. Parameters After and Before are used in order to alter task jobs in special cases when direct changes in task source code are not suitable. Use Jobs in order to define relations in usual cases.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Before</maml:name> <maml:description> <maml:para>Tells to insert this task to jobs of the specified tasks. It is inserted before the first action or added to the end. See After for details.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Data</maml:name> <maml:description> <maml:para>Any object attached to the task. It is not used by the engine. When the task is invoked this object is available as $Task.Data.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Done</maml:name> <maml:description> <maml:para>Specifies the command or a script block which is invoked after the task. Custom handlers should check for $Task.Error if it matters.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>If</maml:name> <maml:description> <maml:para>Specifies the optional condition to be evaluated. If the condition evaluates to false then the task is not invoked. The condition is defined in one of two ways depending on the requirements. Using standard Boolean notation (parenthesis) the condition is checked once when the task is defined. A use case for this notation might be evaluating a script parameter or another sort of global condition. Example: task Task1 -If ($Param1 -eq ...) {...} task Task2 -If ($PSVersionTable.PSVersion.Major -ge 5) {...} Using script block notation (curly braces) the condition is evaluated on task invocation. If a task is referenced by several tasks then the condition is evaluated each time until it gets true and the task is invoked. The script block notation is normally used for a condition that may be defined or changed during the build or just expensive. Example: task SomeTask -If {...} {...}</maml:para> </maml:description> <dev:defaultValue>$true</dev:defaultValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Inputs</maml:name> <maml:description> <maml:para>Specifies the input items, tells to process the task as incremental, and requires the parameter Outputs with the optional switch Partial. Inputs are file items or paths or a script block which gets them. Outputs are file paths or a script block which gets them. A script block is invoked with input paths piped to it. Automatic variables for incremental task actions: $Inputs - full input paths, array of strings $Outputs - result of the evaluated Outputs With the switch Partial the task is processed as partial incremental. There must be one-to-one correspondence between Inputs and Outputs. Partial task actions often contain "process {}" blocks. Two more automatic variables are available for them: $_ - full path of an input item $2 - corresponding output path See also wiki topics about incremental tasks: https://github.com/nightroman/Invoke-Build/wiki</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Outputs</maml:name> <maml:description> <maml:para>Specifies the output paths of the incremental task, either directly on task creation or as a script block invoked with the task. It is used together with Inputs. See Inputs for details.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Partial</maml:name> <maml:description> <maml:para>Tells to process the incremental task as partial incremental. It is used with Inputs and Outputs. See Inputs for details.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Source</maml:name> <maml:description> <maml:para>Specifies the task source. It is used by wrapper functions in order to provide the actual source for location messages and synopsis comments.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Dummy task with no jobs task Task1 # Alias of another task task Task2 Task1 # Combination of tasks task Task3 Task1, Task2 # Simple action task task Task4 { # action } # Typical complex task: referenced task(s) and one own action task Task5 Task1, Task2, { # action after referenced tasks } # Possible complex task: actions and tasks in any required order task Task6 { # action before Task1 }, Task1, { # action after Task1 and before Task2 }, Task2</dev:code> <dev:remarks> <maml:para>This example shows various possible combinations of task jobs.</maml:para> <maml:para></maml:para> </dev:remarks> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 2 --------------------------</maml:title> <dev:code># Synopsis: Complex task with parameters as a hashtable. task TestAndAnalyse @{ If = !$SkipAnalyse Inputs = { Get-ChildItem . -Recurse -Include *.ps1, *.psm1 } Outputs = { 'Analyser.log' } Jobs = 'Test', { Invoke-ScriptAnalyzer . > Analyser.log } } # Synopsis: Simple task with usual parameters. task Test -If (!$SkipTest) { Invoke-Pester }</dev:code> <dev:remarks> <maml:para>Tasks with complex parameters are often difficult to compose in a readable way. In such cases use a hashtable in order to specify task parameters in addition to the task name. Keys and values correspond to parameter names and values.</maml:para> </dev:remarks> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Get-BuildError</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Get-BuildSynopsis</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:uri>https://github.com/nightroman/Invoke-Build/wiki</maml:uri> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Get-BuildError</command:name> <maml:description> <maml:para>Gets the specified task error.</maml:para> </maml:description> <command:verb>Get</command:verb> <command:noun>BuildError</command:noun> </command:details> <maml:description> <maml:para>The specified task is usually safe referenced in the build (?name) and a caller (usually a downstream task) gets its potential error for analysis.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Get-BuildError</maml:name> <command:parameter required="true" position="0" > <maml:name>Task</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Task</maml:name> <maml:description> <maml:para>Name of the task which error is requested.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Error</maml:name> </dev:type> <maml:description> <maml:para>An error or null if the task has not failed.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Add-BuildTask</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Assert-Build</command:name> <maml:description> <maml:para>(assert) Checks for a condition.</maml:para> </maml:description> <command:verb>Assert</command:verb> <command:noun>Build</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'assert'. This command checks for a condition and if it is not true throws an error with the default or specified message.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Assert-Build</maml:name> <command:parameter required="false" position="0" > <maml:name>Condition</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Message</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Condition</maml:name> <maml:description> <maml:para>The condition.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Message</maml:name> <maml:description> <maml:para>An optional message describing the assertion condition.</maml:para> </maml:description> </command:parameter> </command:parameters> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Assert-BuildEquals</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Assert-BuildEquals</command:name> <maml:description> <maml:para>(equals) Verifies that two specified objects are equal.</maml:para> </maml:description> <command:verb>Assert</command:verb> <command:noun>BuildEquals</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'equals'. This command verifies that two specified objects are equal using [Object]::Equals(). If objects are not equal the command fails with a message showing object values and types.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Assert-BuildEquals</maml:name> <command:parameter required="false" position="0" > <maml:name>A</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>B</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>A</maml:name> <maml:description> <maml:para>The first object.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>B</maml:name> <maml:description> <maml:para>The second object.</maml:para> </maml:description> </command:parameter> </command:parameters> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Assert-Build</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Get-BuildProperty</command:name> <maml:description> <maml:para>(property) Gets the session or environment variable or the default.</maml:para> </maml:description> <command:verb>Get</command:verb> <command:noun>BuildProperty</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'property'. The command returns: - session variable value if it is not $null or '' - environment variable if it is not $null or '' - default value if it is not $null - error</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Get-BuildProperty</maml:name> <command:parameter required="true" position="0" > <maml:name>Name</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Value</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Name</maml:name> <maml:description> <maml:para>Specifies the session or environment variable name.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Value</maml:name> <maml:description> <maml:para>Specifies the default value. If it is omitted or null then the variable must exist with a not empty value. Otherwise an error is thrown.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Object</maml:name> </dev:type> <maml:description> <maml:para>Requested property value.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Inherit an existing value or throw an error $OutputPath = property OutputPath</dev:code> </command:example> <command:example> <maml:title>-------------------------- EXAMPLE 2 --------------------------</maml:title> <dev:code># Get an existing value or use the default $WarningLevel = property WarningLevel 4</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Test-BuildAsset</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Get-BuildSynopsis</command:name> <maml:description> <maml:para>Gets the task synopsis.</maml:para> </maml:description> <command:verb>Get</command:verb> <command:noun>BuildSynopsis</command:noun> </command:details> <maml:description> <maml:para>Gets the specified task synopsis if it is available. Task synopses are defined in preceding comments as # Synopsis: ... or <# .Synopsis ... #> This function may be used in Set-BuildHeader for printing task synopses.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Get-BuildSynopsis</maml:name> <command:parameter required="true" position="0" > <maml:name>Task</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Hash</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Task</maml:name> <maml:description> <maml:para>The task object. During the build, the current task is available as the automatic variable $Task.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Hash</maml:name> <maml:description> <maml:para>A hashtable for caching. Build scripts do not have to specify it, the internal cache is used by default. It is designed for external tools.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>String</maml:name> </dev:type> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Headers: print task paths as usual and synopses in addition Set-BuildHeader { param($Path) Write-Build Cyan "Task $Path : $(Get-BuildSynopsis $Task)" } # Synopsis: This task prints its own synopsis. task Task1 { 'My synopsis : ' + (Get-BuildSynopsis $Task) }</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Set-BuildFooter</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Set-BuildHeader</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Invoke-BuildExec</command:name> <maml:description> <maml:para>(exec) Invokes an application and checks $LastExitCode.</maml:para> </maml:description> <command:verb>Invoke</command:verb> <command:noun>BuildExec</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'exec'. It invokes the specified script block which is supposed to call an executable. Then $LastExitCode is checked. If it does not fit to the specified values (0 by default) an error is thrown. If you have any issues with standard error output of the invoked app, try using `exec` with -ErrorAction Continue, SilentlyContinue, or Ignore. This does not affect failures of `exec`, they still depend on the app exit code. But this may work around some known PowerShell issues with standard errors.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Invoke-BuildExec</maml:name> <command:parameter required="true" position="0" > <maml:name>Command</maml:name> <command:parameterValue required="true">ScriptBlock</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>ExitCode</maml:name> <command:parameterValue required="true">Int32[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="2" > <maml:name>ErrorMessage</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Echo</maml:name> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Command</maml:name> <maml:description> <maml:para>Command that invokes an executable which exit code is checked. It must invoke an application directly (.exe) or not (.cmd, .bat), otherwise $LastExitCode is not set and may contain the code of another command.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>ExitCode</maml:name> <maml:description> <maml:para>Valid exit codes (e.g. 0..3 for robocopy).</maml:para> </maml:description> <dev:defaultValue>@(0)</dev:defaultValue> </command:parameter> <command:parameter required="false" position="2" > <maml:name>ErrorMessage</maml:name> <maml:description> <maml:para>Specifies the text included to standard error messages.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Echo</maml:name> <maml:description> <maml:para>Tells to write the command and its used variable values. WARNING: With echo you may expose sensitive information.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Objects</maml:name> </dev:type> <maml:description> <maml:para>Output of the specified command.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Call robocopy (0..3 are valid exit codes) exec { robocopy Source Target /mir } (0..3)</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Use-BuildAlias</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Use-BuildEnv</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Remove-BuildItem</command:name> <maml:description> <maml:para>(remove) Removes specified items.</maml:para> </maml:description> <command:verb>Remove</command:verb> <command:noun>BuildItem</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'remove'. This command removes existing items, ignores missing items, and fails if it cannot remove existing items. Use the switch Verbose in order to output messages about removing existing and skipping missing items or patterns specified by Path.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Remove-BuildItem</maml:name> <command:parameter required="true" position="0" > <maml:name>Path</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" globbing="true" > <maml:name>Path</maml:name> <maml:description> <maml:para>Specifies the items to be removed. Wildcards are allowed. The parameter is mostly the same as Path of Remove-Item. For sanity, paths with only ., *, \, / are not allowed.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Remove some temporary items remove bin, obj, *.test.log</dev:code> </command:example> </command:examples> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Set-BuildFooter</command:name> <maml:description> <maml:para>Tells how to write task footers.</maml:para> </maml:description> <command:verb>Set</command:verb> <command:noun>BuildFooter</command:noun> </command:details> <maml:description> <maml:para>This build block is used in order to change the default task footer format. Use the automatic variable $Task in order to get the current task data. Use Write-Build in order to write with colors.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Set-BuildFooter</maml:name> <command:parameter required="false" position="0" > <maml:name>Script</maml:name> <command:parameterValue required="true">ScriptBlock</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Script</maml:name> <maml:description> <maml:para>The script like {param($Path) ...} which is used in order to write task footers. The parameter Path includes the parent and current task names. In order to omit task footers, set an empty block: Set-BuildFooter {}</maml:para> </maml:description> </command:parameter> </command:parameters> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Use the usual footer format but change the color Set-BuildFooter { param($Path) Write-Build DarkGray "Done $Path $($Task.Elapsed)" } # Synopsis: Data for footers in addition to $Path and $Task.Elapsed task Task1 { 'Task name : ' + $Task.Name 'Start time : ' + $Task.Started 'Location path : ' + $Task.InvocationInfo.ScriptName 'Location line : ' + $Task.InvocationInfo.ScriptLineNumber }</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Get-BuildSynopsis</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Set-BuildHeader</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Write-Build</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Set-BuildHeader</command:name> <maml:description> <maml:para>Tells how to write task headers.</maml:para> </maml:description> <command:verb>Set</command:verb> <command:noun>BuildHeader</command:noun> </command:details> <maml:description> <maml:para>This build block is used in order to change the default task header format. Use the automatic variable $Task in order to get the current task data. Use Write-Build in order to write with colors.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Set-BuildHeader</maml:name> <command:parameter required="false" position="0" > <maml:name>Script</maml:name> <command:parameterValue required="true">ScriptBlock</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Script</maml:name> <maml:description> <maml:para>The script like {param($Path) ...} which is used in order to write task headers. The parameter Path includes the parent and current task names.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Headers: write task paths as usual and synopses in addition Set-BuildHeader { param($Path) Write-Build Cyan "Task $Path --- $(Get-BuildSynopsis $Task)" } # Synopsis: Data for headers in addition to $Path and Get-BuildSynopsis task Task1 { 'Task name : ' + $Task.Name 'Start time : ' + $Task.Started 'Location path : ' + $Task.InvocationInfo.ScriptName 'Location line : ' + $Task.InvocationInfo.ScriptLineNumber }</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Get-BuildSynopsis</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Set-BuildFooter</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Write-Build</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Test-BuildAsset</command:name> <maml:description> <maml:para>(requires) Checks for required build assets.</maml:para> </maml:description> <command:verb>Test</command:verb> <command:noun>BuildAsset</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'requires'. This command tests the specified assets. It fails if any is missing. It is used in script code (common assets) and in tasks (individual assets).</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Test-BuildAsset</maml:name> <command:parameter required="false" position="0" > <maml:name>Variable</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Environment</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Path</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Property</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Variable</maml:name> <maml:description> <maml:para>Specifies the required session variable names and tells to fail if a variable is missing or its value is null or empty string.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Environment</maml:name> <maml:description> <maml:para>Specifies the required environment variable names.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Path</maml:name> <maml:description> <maml:para>Specifies literal paths to be tested by Test-Path. If the specified expression uses required assets then test these assets first by a separate command.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Property</maml:name> <maml:description> <maml:para>Specifies session or environment variable names and tells to fail if a variable is missing or its value is null or empty string.</maml:para> </maml:description> </command:parameter> </command:parameters> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Get-BuildProperty</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Use-BuildAlias</command:name> <maml:description> <maml:para>(use) Sets framework or directory tool aliases.</maml:para> </maml:description> <command:verb>Use</command:verb> <command:noun>BuildAlias</command:noun> </command:details> <maml:description> <maml:para>Scripts use its alias 'use'. Invoke-Build does not change the system path in order to make framework tools available by names. This is not suitable for using mixed framework tools (in different tasks, scripts, parallel builds). Instead, this function is used for setting tool aliases in the scope where it is called. This command may be used in the script scope to make aliases for all tasks. But it can be called from tasks in order to use more task specific tools.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Use-BuildAlias</maml:name> <command:parameter required="true" position="0" > <maml:name>Path</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Name</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Path</maml:name> <maml:description> <maml:para>Specifies the tools directory. If it is * or it starts with digits followed by a dot then the MSBuild path is resolved using the package script Resolve-MSBuild.ps1. Build scripts may invoke it directly by the provided alias Resolve-MSBuild. The optional suffix x86 tells to use 32-bit MSBuild. If it is like Framework* then it is assumed to be a path relative to Microsoft.NET in the Windows directory. Otherwise it is a full or relative literal path of any directory. Examples: *, 4.0, Framework\v4.0.30319, .\Tools</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Name</maml:name> <maml:description> <maml:para>Specifies the tool names. They become aliases in the current scope. If it is a build script then the aliases are created for all tasks. If it is a task then the aliases are available just for this task.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Use .NET 4.0 tools MSBuild, csc, ngen. Then call MSBuild. use 4.0 MSBuild, csc, ngen exec { MSBuild Some.csproj /t:Build /p:Configuration=Release }</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Invoke-BuildExec</maml:linkText> </maml:navigationLink> <maml:navigationLink> <maml:linkText>Resolve-MSBuild</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Confirm-Build</command:name> <maml:description> <maml:para>Prompts to confirm an operation.</maml:para> </maml:description> <command:verb>Confirm</command:verb> <command:noun>Build</command:noun> </command:details> <maml:description> <maml:para>This function prints the prompt and options: [Y] Yes [N] No [S] Suspend. Choose Y to continue or N to skip. [S] enters the nested prompt, you may invoke some commands end then `exit`. Confirm-Build must not be called during non interactive builds. Scripts should take care of this. For example, add the switch $Quiet and define Confirm-Build as "Yes to All": if ($Quiet) {function Confirm-Build {$true}}</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Confirm-Build</maml:name> <command:parameter required="false" position="0" > <maml:name>Query</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Caption</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Query</maml:name> <maml:description> <maml:para>The confirmation query. If it is omitted or empty, "Continue with this operation?" is used.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Caption</maml:name> <maml:description> <maml:para>The confirmation caption. If it is omitted, the current task or script name is used.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Boolean</maml:name> </dev:type> </command:returnValue> </command:returnValues> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Write-Build</command:name> <maml:description> <maml:para>Writes text using colors if they are supported.</maml:para> </maml:description> <command:verb>Write</command:verb> <command:noun>Build</command:noun> </command:details> <maml:description> <maml:para>This function is used in order to output colored text in a console or other hosts with colors. Unlike Write-Host it is suitable for redirected output. Write-Build is designed for tasks and build blocks, not script functions. With PowerShell 7.2+ and $PSStyle.OutputRendering ANSI, Write-Build uses ANSI escape sequences.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Write-Build</maml:name> <command:parameter required="true" position="0" > <maml:name>Color</maml:name> <command:parameterValue required="true">ConsoleColor</command:parameterValue> </command:parameter> <command:parameter required="true" position="1" > <maml:name>Text</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Color</maml:name> <maml:description> <maml:para>[System.ConsoleColor] value or its string representation.</maml:para> <maml:para>Values : Black, DarkBlue, DarkGreen, DarkCyan, DarkRed, DarkMagenta, DarkYellow, Gray, DarkGray, Blue, Green, Cyan, Red, Magenta, Yellow, White</maml:para> </maml:description> </command:parameter> <command:parameter required="true" position="1" > <maml:name>Text</maml:name> <maml:description> <maml:para>Text written using colors if they are supported.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>String</maml:name> </dev:type> </command:returnValue> </command:returnValues> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Use-BuildEnv</command:name> <maml:description> <maml:para>Invokes script with temporary changed environment variables.</maml:para> </maml:description> <command:verb>Use</command:verb> <command:noun>BuildEnv</command:noun> </command:details> <maml:description> <maml:para>This command sets the specified environment variables and invokes the script. Then it restores the original values of specified variables.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Use-BuildEnv</maml:name> <command:parameter required="true" position="0" > <maml:name>Env</maml:name> <command:parameterValue required="true">Hashtable</command:parameterValue> </command:parameter> <command:parameter required="true" position="1" > <maml:name>Script</maml:name> <command:parameterValue required="true">ScriptBlock</command:parameterValue> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Env</maml:name> <maml:description> <maml:para>The hashtable of environment variables used by the script. Keys and values correspond to variable names and values.</maml:para> </maml:description> </command:parameter> <command:parameter required="true" position="1" > <maml:name>Script</maml:name> <maml:description> <maml:para>The script invoked with the specified variables.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Objects</maml:name> </dev:type> <maml:description> <maml:para>Output of the specified script.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Invoke with temporary changed Port and Path Use-BuildEnv @{ Port = '9780' Path = "$PSScriptRoot\Scripts;$env:Path" } { exec { dotnet test } }</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Invoke-BuildExec</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Build-Parallel.ps1</command:name> <maml:description> <maml:para>Invokes parallel builds by Invoke-Build</maml:para> </maml:description> </command:details> <maml:description> <maml:para>This script invokes several build scripts simultaneously by Invoke-Build. Number of parallel builds is set to the number of processors by default. NOTE: Avoid using Build-Parallel in scenarios with PowerShell classes. Known issues: https://github.com/nightroman/Invoke-Build/issues/180</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Build-Parallel.ps1</maml:name> <command:parameter required="false" position="0" > <maml:name>Build</maml:name> <command:parameterValue required="true">Hashtable[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>MaximumBuilds</maml:name> <command:parameterValue required="true">Int32</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Result</maml:name> <command:parameterValue required="true">Object</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>ShowParameter</maml:name> <command:parameterValue required="true">String[]</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Timeout</maml:name> <command:parameterValue required="true">Int32</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>FailHard</maml:name> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="false" position="0" > <maml:name>Build</maml:name> <maml:description> <maml:para>Build parameters defined as hashtables with these keys/data: Task, File, ... - Invoke-Build.ps1 and script parameters Log - Tells to write build output to the specified file Any number of builds is allowed, including 0 and 1. The maximum number of parallel builds is the number of processors by default. It can be changed by the parameter MaximumBuilds.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>FailHard</maml:name> <maml:description> <maml:para>Tells to abort all builds if any build fails.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>MaximumBuilds</maml:name> <maml:description> <maml:para>Maximum number of builds invoked at the same time.</maml:para> </maml:description> <dev:defaultValue>Number of processors.</dev:defaultValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Result</maml:name> <maml:description> <maml:para>Tells to output build results using a variable. It is either a name of variable to be created for results or any object with the property Value to be assigned ([ref], [hashtable]). Result properties: Tasks - tasks (*) Errors - errors (*) Warnings - warnings (*) Started - start time Elapsed - build duration (*) see: help Invoke-Build -Parameter Result</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>ShowParameter</maml:name> <maml:description> <maml:para>Tells to show the specified parameter values in build titles.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Timeout</maml:name> <maml:description> <maml:para>Maximum overall build time in milliseconds.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Text</maml:name> </dev:type> <maml:description> <maml:para>Output of invoked builds and other log messages.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code>Build-Parallel @( @{File='Project1.build.ps1'} @{File='Project2.build.ps1'; Task='MakeHelp'} @{File='Project2.build.ps1'; Task='Build', 'Test'} @{File='Project3.build.ps1'; Log='C:\TEMP\Project3.log'} @{File='Project4.build.ps1'; Configuration='Release'} )</dev:code> <dev:remarks> <maml:para>Five parallel builds are invoked with various combinations of parameters. Note that it is fine to invoke the same build script more than once if build flows specified by different tasks do not conflict.</maml:para> </dev:remarks> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Invoke-Build</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> <command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10"> <command:details> <command:name>Build-Checkpoint.ps1</command:name> <maml:description> <maml:para>Invokes persistent builds with checkpoints.</maml:para> </maml:description> </command:details> <maml:description> <maml:para>This command invokes the build and saves build state checkpoints after each completed task. If the build is interrupted then it may be resumed later with the saved checkpoint file. The built-in Export-Clixml and Import-Clixml are used for saving checkpoints. Keep in mind that not all data types are suitable for this serialization. CUSTOM EXPORT AND IMPORT By default, the command saves and restores build tasks, script path, and all parameters declared by the build script. Tip: consider declaring some script variables as artificial parameters in order to make them persistent. If this is not enough for saving and restoring the build state then use custom export and import blocks. The export block is called on writing checkpoints, i.e. on each task. The import block is called on resuming once, before the task to be resumed. The export block is set by `Set-BuildData Checkpoint.Export`, e.g. Set-BuildData Checkpoint.Export { $script:var1 $script:var2 } The import block is set by `Set-BuildData Checkpoint.Import`, e.g. Set-BuildData Checkpoint.Import { param($data) $var1, $var2 = $data } The import block is called in the script scope. Thus, $var1 and $var2 are script variables right away. We may but do not have to use the prefix. The parameter $data is the output of Checkpoint.Export exported to clixml and then imported from clixml.</maml:para> </maml:description> <command:syntax> <command:syntaxItem> <maml:name>Build-Checkpoint.ps1</maml:name> <command:parameter required="true" position="0" > <maml:name>Checkpoint</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Build</maml:name> <command:parameterValue required="true">Hashtable</command:parameterValue> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Preserve</maml:name> </command:parameter> </command:syntaxItem> <command:syntaxItem> <maml:name>Build-Checkpoint.ps1</maml:name> <command:parameter required="true" position="0" > <maml:name>Checkpoint</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Build</maml:name> <command:parameterValue required="true">Hashtable</command:parameterValue> </command:parameter> <command:parameter required="true" position="named" > <maml:name>Auto</maml:name> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Preserve</maml:name> </command:parameter> </command:syntaxItem> <command:syntaxItem> <maml:name>Build-Checkpoint.ps1</maml:name> <command:parameter required="true" position="0" > <maml:name>Checkpoint</maml:name> <command:parameterValue required="true">String</command:parameterValue> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Build</maml:name> <command:parameterValue required="true">Hashtable</command:parameterValue> </command:parameter> <command:parameter required="true" position="named" > <maml:name>Resume</maml:name> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Preserve</maml:name> </command:parameter> </command:syntaxItem> </command:syntax> <command:parameters> <command:parameter required="true" position="0" > <maml:name>Checkpoint</maml:name> <maml:description> <maml:para>Specifies the checkpoint file (clixml). The checkpoint file is removed after successful builds unless the switch Preserve is specified.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="1" > <maml:name>Build</maml:name> <maml:description> <maml:para>Specifies the build and script parameters. WhatIf is not supported. When the build resumes by Resume or Auto then fields Task, File, and script parameters are ignored and restored from the checkpoint file. But fields Result, Safe, Summary are used as usual build parameters.</maml:para> </maml:description> </command:parameter> <command:parameter required="true" position="named" > <maml:name>Auto</maml:name> <maml:description> <maml:para>Tells to start a new build if the checkpoint file is not found or resume the build from the found checkpoint file.</maml:para> </maml:description> </command:parameter> <command:parameter required="false" position="named" > <maml:name>Preserve</maml:name> <maml:description> <maml:para>Tells to preserve the checkpoint file on successful builds.</maml:para> </maml:description> </command:parameter> <command:parameter required="true" position="named" > <maml:name>Resume</maml:name> <maml:description> <maml:para>Tells to resume the build from the existing checkpoint file.</maml:para> </maml:description> </command:parameter> </command:parameters> <command:returnValues> <command:returnValue> <dev:type> <maml:name>Text</maml:name> </dev:type> <maml:description> <maml:para>Output of the invoked build.</maml:para> </maml:description> </command:returnValue> </command:returnValues> <command:examples> <command:example> <maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title> <dev:code># Invoke a persistent sequence of steps defined as tasks. Build-Checkpoint temp.clixml @{Task = '*'; File = 'Steps.build.ps1'} # Given the above failed, resume at the failed step. Build-Checkpoint temp.clixml -Resume</dev:code> </command:example> </command:examples> <maml:relatedLinks> <maml:navigationLink> <maml:linkText>Invoke-Build</maml:linkText> </maml:navigationLink> </maml:relatedLinks> </command:command> </helpItems> |