Msbuild Target Not Running

Thing is this doesn’t really matter, there is nothing to stop you creating a custom MsBuild file, which just has to be a valid msbuild file. If I pass in a. By overriding the predefined targets, you can use MSBuild tasks to give you more control over the build process. It is designed for MSBuild 16. To build a specific target of a specific project in a …. Add a new target to your project file and make it output the path of to the imported file. (How to write own MSBuild Task). msbuild /t:restore 3. b) Go to cds project folder from cmd line & run. Have you ever wanted to view MSBuild log files in Markdown format? If you are using psbuild then you'll now get this feature for free if you upgrade your install. psbuild is a PowerShell wrapper for msbuild. Here is the twist: By adding import statements that looks for target files in specific directories and following a naming pattern, every project can have its own MSBuild files that are imported before and after the main definitions in the Microsoft. MSBuild incorrectly resolves references in custom build target. NET\Framework\v2. It turns out that MSBuild does return one bit of information from a Target: its Outputs. net 3g automating software build process background bookmarked object C# cellphone clipboard code snippet collaborate comment connect cool debug design pattern dropbox ebook entertainingful facebook free funny game gmail google haha!so funny! health height highlight iphone IR lemur java linux location MSBuild MS Offfice multiple music nexus. HarvestDirectory Target. 2 and try and use the new dotnet. What is MSBuild? MSBuild is the build platform for Microsoft and Visual Studio. CurrentVersion. Sunday, June 5, 2005. If I however pass in a. dxc/fxc used for shader compilation) are invoked. csproj to add a target like --> From command. targets (1) 4579Name="CoreClean". msbuild /t:restore. This is incorrect, Build is defined in Microsoft. sln file, TargetOutputs would give me nothing. For projects that support …. This gets complicated, because the reasonable mental model for how target dependencies work (a directed acyclic graph of targets with edges determined by DependsOnTargets, BeforeTargets, and AfterTargets) is not how the actual dependencies are implemented, in user-observable (and user-manipulable) ways. Once a target runs, its contribution to the build is complete. To make long a long explanation short: the trick is to find out which name to use for the target. This is ok. Yes I have used the TargetOutputs output parameter of the MSBuild target. I have an external tool macro set up in my text editor (Textpad) to run the script. exe is a signed Microsoft binary, so when it is used this way it can. The problem. net includes a runner which can be used from your MSBuild scripts to run unit tests. metaproj ending and dig into it, until you find something like this: So in my case, the target is named. Steps to reproduce Create a solution Add a project Edit the. InitialTargets targets are run. The MSBuild syntax below will arrange to call that target, and set the NuProj Version property based on the version calculated by your existing target. Defaults to false. For example, you can target an application to run on the. Determines if the build process output should be piped into stdio. csproj to add a target like --> From command. Running MSBuild for a Service Fabric project (. | sTe810 | LINK. If you specify no targets on the command line, then the DefaultTargets targets are run. Have you ever wanted to view MSBuild log files in Markdown format? If you are using psbuild then you'll now get this feature for free if you upgrade your install. 4 Apr 2017 1 mins. This is the first in what I hope will be a series of posts of solutions that I've worked through for MSBuild. Success! Well, except that DispatchToInnerBuilds only exists for multi-targeted projects, so it will not run in a single-targeted project. how can I write a target such that it takes an input parameter. I have attached a sample project demonstrating this. skip to package search or skip to sign in. Use MSBuild. 5 (instead of C:\Windows\Microsoft. csproj, etc. Sandcastle. Optional boolean. I'm now working through a simple experiement with MSBuild, attempting to learn the tool. Resolve-MSBuild. Programming languages that target the. While you could also use BeforeTargets="Build" on the outer build target, this will run after the build since the multi-targeting Build target depends on the inner builds. + How target and task batching work + How to chain targets together + How to create incremental builds + How to integrate other tools into MSBuild + How to write your own custom tasks when MSBuild lacks the expressive power. But this isn't the only way to achieve this. In this article. This will be limited to the. Targets" /> < Import Project = ". If neither is present, then the first target encountered is run. In most cases, 64-bit and 32-bit MSBuild will indeed produce the same output. Resolve-MSBuild. The VersionDependsOn property is recognized by NuProj as a semicolon-delimited list of targets that must be run before assuming that the Version property has been set. Type: boolean. The platform (/p:Platform msbuild parameter) used for the build. exe /nologo ClientBin\ Nice. MSBuild batches where the metadata values match. The following table describes the parameters of the ZipDirectory task. Probably a post restore target would be good too. MSBuild includes several. Using psbuild to build a project the basic command. @djanosik the compile targets ( BeforeCompile and friends) are only executed in the inner builds so you'd need to hook on a different target as well. NET version 4 allows for C# or Visual Basic code to be inserted into an XML project file. There are other possibilities for how order targets run (like AfterTargets and others). exe from C:\Windows\Microsoft. While you could also use BeforeTargets="Build" on the outer build target, this will run after the build since the multi-targeting Build target depends on the inner builds. If ReferenceOutputAssembly is set to "true" (default) then target outputs will become references for the compiler. Once with setting the Property MyTask. Run an MSBuild target once per project instead of once per target framework Most online resources will recommend using BeforeTargets or AfterTargets to hook your …. Mar 16, 2005 10:10 AM. You can simulate the build by invoking MSBuild (example with Community edition) from the command line:. MSBuild Tasks. This package includes the MSBuild task and a build target that is automatically added to your. Typically in MSBuild we execute a. ) These files must be in formats that MSBuild recognizes (e. Some folks like to custom craft their MSBuild files and others like to get the auto-generate one. By default, the MSBuild runtime is used. Before a target is executed, its Inputs attribute and Outputs attribute are compared. It is designed for MSBuild 16. MyProperty = false. Custom MSBuild Task and capturing Command Line Output. If both inputs and outputs are up to date, the …. The NuGet Team does not provide support for this client. Publishing with MSBuild. The MSBuild target to build. Probably a post restore target would be good too. msbuild MSBuild MSBuild 4. Each Exec task simply changes the extension of the filename and prints a message. These files are automatically imported into most Visual Studio project files to simplify maintenance and readability. When you build a Visual Studio 2005 solution file from the command-line using MSBuild, it constructs an in-memory MSBuild project, that project is what actually gets built. I have been messing with msbuild for a project I'm doing lately and I have come to a roadblock. In my csproj file I want to do something like the following:. I discovered this while doing an Intended Use Validation (IUV) for NCover 3. In Habitat's gulp script, all projects are published one by one independently. It has to read, interpret and execute all core. Task batching simplifies project files by providing a way to divide item collections into different batches, letting you pass each batched collection to a task separately. Jul 28, 2017 · Well not missing but not copied to right path some dev tooling was expecting. I recently had a need to "capture the output" of a command line tool, but within a MSBuild Custom Task (context). For details and more information about the target build order, see Target build order. I don't want to have to write two tasks where I. Given one ItemGroup (including metadata), how can one choose a subset of the items, keeping metadata intact?. targets 14. Vishal Joshi writes about this target very eloquently in Web Packaging: Creating web packages using MSBuild. To run the above target follow the steps given below: Click Start, then click All Programs. | sTe810 | LINK. b) Go to cds project folder from cmd line & run. Target batching. Introducing MSBuild. Repeating a task for each item in a MSBuild item list is really easy if the task supports ; seperated lists, if not, well it's still easy but trying to remember the syntax is another matter! This keeps catching me out and I've seen few examples of its use around so if for no other reason than as a reminder to myself here's how to iterate a list. It works that way. Go to directory contaning cdsproj & run msbuild. 0 we addressed this by adding "property functions" which allow you to execute a variety of regular. You can also specify the PublishProfile property as a name instead of a path to a file. Some issues you might run into: Third-party dependencies and NuGet. Enter BeforeTargets In MSBuild 4. Typically in MSBuild we execute a. How to get MSBuild log files in Markdown format. Build assembly which is used to create, edit, and evaluate MSBuild projects. Targets (groups of tasks) allow you to specify inputs and outputs, but the "outputs" list is assumed to be files, so if it finds the outputs are up to date, it won't run that input. A relative path will start from the *. Because of this, the whole publishing process may take a long time. This AfterBuild declaration overrides a target predefined by MSBuild. Here's an example. One of my pet peeves with MSBuild's task is how long the lines get when you have lots of arguments. xml - base localization language en-us configurable with property: SolutionPackageDefaultLocale - Update SolutionPackager to 9. target: string: Build these targets in this project. exe executable and is designed for. For each project, a separate instance of MSBuild is started. To build a specific target of a specific project in a …. 1, Windows 10 Mitre:T1127 Execute. Note: If you have added, pcfproj as add-reference to cdsproj, step 3 would build both of them & create a solution contaning controls. Defaults to false. MSBuild is a development tool used for building applications, especially where Visual Studio is not installed. With the & exit %errorlevel% on the same line as the PowerShell command, 0 is always returned even if Exit -1 is in the PowerShell script. The value of 1. If the path to an output file is provided that will be used instead. exe option and then choose the Next button. Tip #2 - Understand Inputs/Outputs. A request is any request to build a target on a project. Jun 04, 2016 · The documentation, also, says that "A target is an arbitrary script for your project purposes. Add a new target to your project file and make it output the path of to the imported file. When you are creating your own targets, and tasks, they may generate temporary files that need to be cleaned. 5 projects (only for version 2. Passing input parameters as properties. exe is incredibly. paket add msbuild. NET version 4 allows for C# or Visual Basic code to be inserted into an XML project file. Default is v2. I am not a great fan of this approach, but it appears to work. NET Framework 4 and. 7 property in the project file …. MSBuild determines the target build order as follows: InitialTargets targets are run. I have been messing with msbuild for a project I'm doing lately and I have come to a roadblock. When using the classic project system, the previous MSBuild target may no longer be located at the end of your project. csproj file. Check out my MSBuild Task Tutorial. According to the document MSBuild Extending The Solution Build, you could create a MSBuild project files named after. Click Debug button (or press F5 key) to continue debugging. MSBuild Targets may only reference ItemGroups specified as children of the Project element. You can simulate the build by invoking MSBuild (example with Community edition) from the command line:. MSBuild-프로젝트를 특정한 대상에 대한 솔루션을 작동하지 않는. Search Search Microsoft. For example, lets say I have a target MyTarget that calls MyTask. Some Targets not running in MSBuild. com is the number one paste tool since 2002. This will be limited to the. See full list on docs. If true, the destination file will be overwritten if it exists. @djanosik the compile targets ( BeforeCompile and friends) are only executed in the inner builds so you'd need to hook on a different target as well. Visual Studio creates the WSP at build since it includes this in the CSPROJ file: That does a lot of work to validate the project and such before creating a WSP file. Targets (groups of tasks) allow you to specify inputs and outputs, but the "outputs" list is assumed to be files, so if it finds the outputs are up to date, it won't run that input. Given one ItemGroup (including metadata), how can one choose a subset of the items, keeping metadata intact?. MSBuild batches where the metadata values match. MSBuild Tasks. Since I am using Visual Studio for all the projects I ship NuGet packages for using MSBuild to achieve my goal was a no brainer. All the projects I work on now have a very simple MSBuild script that allows you to build either Debug or Release, defaulting to Debug for developers. MSBuild trick for making calls more maintainable. The NAnt schema also favors lowercase names, while MSBuild favors an initial capital. After installing the NSwag. Adversaries can abuse MSBuild to proxy execution of malicious code. The VersionDependsOn property is recognized by NuProj as a semicolon-delimited list of targets that must be run before assuming that the Version property has been set. MSBuild includes several. Create a brand new dot net 4. By overriding the predefined targets, you can use MSBuild tasks to give you more control over the build process. targets file (Use a banana instead of SomeApplication. MSBuild how to get a good formatted date. Note that since Visual Studio is a 32-bit application, if you build from Visual Studio, it is equivalent to running the 32-bit MSBuild. It works fine for the first project, projA. CurrentVersion. Have you ever wanted to view MSBuild log files in Markdown format? If you are using psbuild then you'll now get this feature for free if you upgrade your install. 5) to look for. If you look at the MsBuild target file for Package, you will see that it will import a {projectname}. You can learn more about it on the github page or my previous blog post on it. This can be from the command-line or through am MSBuild task. Since Identity is unique, each batch will contain a single item, giving us the "for each" behaviour we're looking for. MSBuild with Solutions. IncludeCategory. Run the unit tests. For MSBuild 4. msbuild /target:publish fails. HarvestFile Target. Go to directory contaning cdsproj & run msbuild. dxc/fxc used for shader compilation) are invoked. All of the usual MSBuild command line options can be used. Vishal Joshi writes about this target very eloquently in Web Packaging: Creating web packages using MSBuild. targets file. I am trying to use MSBuild to build a solution with a specified target platform (I need both binaries, x86 and x64). targets in the same folder as your solution. @djanosik the compile targets ( BeforeCompile and friends) are only executed in the inner builds so you'd need to hook on a different target as well. dll ProcessModel: Default DomainUsage: Single Execution Runtime: net-2. As test, I added this to my After. Anyway, although I could build the solution just fine with MSBuild, every time I added. If the Condition parameter evaluates to true, the value of the Text parameter will be logged and the build will continue to execute. In this article. Furthermore it is open source since some time now, under the liberal MIT license. MSBuild batches where the metadata values match. msbuild file which is a sample that shows how you should call the. Dependency AfterBuild MSBuild event is setup to be called by including the Target file in the csproj file. 5' and 'Release - 4. I found this idea very intriguing (especially since it appeared to handle the return code of 1 issue) and attempted to use it to accomplish the. 0 the default value is v4. targets (1) 4579Name="CoreClean". MSBuild is certainly on its way back (if was ever in demise). In this article describes how to implement MSBuild tasks with inline C# or in an external. MSBuild uses a simple and extensible XML file format that is fully supported by Microsoft. If the path to an output file is provided that will be used instead. So to get my single project building I had to call:. Also this target should be triggered by both CLI and Visual Studio. csproj file location, so to get to the MSBuild. This gets complicated, because the reasonable mental model for how target dependencies work (a directed acyclic graph of targets with edges determined by DependsOnTargets, BeforeTargets, and AfterTargets) is not how the actual dependencies are implemented, in user-observable (and user-manipulable) ways. The default build target is configurable via the following MSBuild properties: True or False whether or not to run the build target and generate. csproj file to run the NSwag command line tool in an MSBuild target. ∟ Using MSBuild with Multiple Source Files. Target: A target is the XML block that defines the series of steps to follow. Complete the following settings: MSBuild configuration. MSBuild can pass parameters to a Target by sending it Properties. Allows you to run any MSBuild target right from Visual Studio. Pastebin is a website where you can store text online for a set period of time. MSBuild batches where the metadata values match. Targets" /> From command. VCBuild is made specific for building C++ application. This package contains the Microsoft. MSBuild is the build system for Microsoft and Visual Studio. If a Condition parameter does not exist, the message text is logged. xml Usecase:Compile and run code Privileges required:User OS:Windows vista, Windows 7, Windows 8, Windows 8. In most cases, 64-bit and 32-bit MSBuild will indeed produce the same output. To do this manually, first check out the. Publish to File System took me a while to nut out because I expected some sensible use of MSBuild to be occurring. There is one problem though. For projects that support PackageReference, copy this XML node into the project file to reference the package. Sandcastle. csproj format). In this article. Node module for work with msbuild. PublishNuget. MSBuild trick for making calls more maintainable. 5', 'Debug - 4. Once a target runs, its contribution to the build is complete. MSBuild implements a few special processing rules to make it easier to work with string properties that are used as Boolean values. I used a test application that was to be built and NCover tested with both VS2005 and VS2008. NET framework and associated languages and also for native C++ projects. I believe that every developer should be commonly issueing a command, be that via PSake or rake or something else, which builds and tests the project outside the confines of Visual Studio. Useful for build servers that do not have Visual Studio installed. net 3g automating software build process background bookmarked object C# cellphone clipboard code snippet collaborate comment connect cool debug design pattern dropbox ebook entertainingful facebook free funny game gmail google haha!so funny! health height highlight iphone IR lemur java linux location MSBuild MS Offfice multiple music nexus. Now if you go change the contents of Source. I started from enabling building the project for multiple. The actual return code of PowerShell is not returned. Locate the file with the. Some Targets not running in MSBuild. Default is v2. Determining the Target Build Order MSBuild determines the target build order as follows: 1. The NAnt schema also favors lowercase names, while MSBuild favors an initial capital. config file used by the Sandcastle Build Assembler, which needs some tailoring for your project to include the correct. The /controller parameter can be omitted to generate a Swagger specification for all controllers. net tests in MSBuild. exe CLI to build it by running dotnet build in the solution folder. NET Core, MSBuild, Visual …. Targets (groups of tasks) allow you to specify inputs and outputs, but the "outputs" list is assumed to be files, so if it finds the outputs are up to date, it won't run that input. The 1st issue I had was that solution files are not in MsBuild format. For MSBuild 15+ the command uses the module VSSetup, see PSGallery. exe /nologo ClientBin\ Nice. msbuild /t:restore 3. Visual Studio creates the WSP at build since it includes this in the CSPROJ file: That does a lot of work to validate the project and such before creating a WSP file. The reason is for new. Current Target/Task will be highlighted with bold border around it in Debug window. MSBuild Target Sample. For example, lets say I have a target MyTarget that calls MyTask. To install now, choose the Run button. Anyway, although I could build the solution just fine with MSBuild, every time I added. msbuild MSBuild MSBuild 4. It turns out it's possible to have MSBuild save that temporary MSBuild project to disk, to make it easier to understand what's. NET Core SDK is not, AFAIK, bringing forward the BeforeBuild / AfterBuild extensibility model since the same behavior can be provided by MSBuild's BeforeTargets / AfterTargets attributes, as exemplified above. targets file. Thing is this doesn’t really matter, there is nothing to stop you creating a custom MsBuild file, which just has to be a valid msbuild file. Copy restore msbuild logs. To do this manually, first check out the. To make sure our console tool works correctly, we need to first call /t:Publish to gather all files required to run the console tool on its own. A SandcastleTest. Determines if the build process output should be piped into stdio. Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly. By default, messages that are not of high priority are not printed. WebApplication. It is designed for MSBuild 16. For each project, a separate instance of MSBuild is started. Hi tod, It would be great if you could provide a sample example explaining the copy task where we copy a file with new name. In adding support for incremental MSBuild support for Mono's Jay (Yacc-based) parser generator I could not get my resulting MSBuild target to automatically add the …. This causes a problem when your output directory doesn’t contain any files, so the ItemGroup was expanding to an empty list. Follow to MSDN "MSBuild Conditional Constructs" I sel…. 0) A target never runs twice during a single build, even if a subsequent target in the build depends on it. When I was putting together the MSBuild project file for ResourceExtractorDotNet I encountered a little gotcha with MSBuild that had me scratching my head for a …. Re: MSBuild target outputs. By creating this target, and making it depend on the two following targets, we can ensure that they …. Here is what my solution structure looked like. To override the automatically chosen triplet, you can specify the MSBuild property VcpkgTriplet in your. props file starting from the project directory and going up until it finds a matching file, then it stops looking. In this article describes how to implement MSBuild tasks with inline C# or in an external. ) These files must be in formats that MSBuild recognizes (e. The focus of MSBuild is the result Target specified when invoking MSBuild with the project file. 내가 원하는 MSBuild 실행"WebPublish"대상에 대하여 웹 응용 프로그램은 프로젝트와"의 기본 목표"에 대한 다른. Task batching simplifies project files by providing a way to divide item collections into different batches, letting you pass each batched collection to a task separately. The inline task capability of MSBuild that was introduced in. MSBuild NuGet package. NET\Framework\v2. Jul 30, 2007 · MSBuild will ensure that any targets listed there are evaluated and processed before this target gets actioned. Current Target/Task will be highlighted with bold border around it in Debug window. target: string: Build these targets in this project. Defining the property using PropertyGroup will NOT work! We need to create a new target, define the property overthere, then call the concerned target. First lets look how the PreBuildEvent…. In our setup we're using boost C++ library quite intensely and therefore we would like the code and the build process to be part of our TFS setup. When you expand items using this form. A tutorial example is provided on how to specify the 'Csc' command patch name and output file name using properties. Other switches may be needed, depending on your environment and/or requirements. Vishal Joshi writes about this target very eloquently in Web Packaging: Creating web packages using MSBuild. VisualStudio. exe -target:Clean). This is incorrect, Build is defined in Microsoft. IgnoreExitCode. The easiest method to install in your project is to use the Pickles. I would like to discuss one thing that annoys me. So to get my single project building I had to call:. A new Target named HelloFromPropertyGroup is then created with a Message Task. MSBuild Target Sample. Running xUnit. Oct 26, 2008 · Unfortunately, what I hadn’t realized was that MSBuild evaluates (processes/expands) ItemGroups on start-up. TheRealPiotrP closed this on Feb 26, 2017. Here's the MSBuild syntax that I got from Andrei's blog post:. csproj format's capabilities for the entire solution. Jul 28, 2017 · Well not missing but not copied to right path some dev tooling was expecting. (The computer does not have to be connected to the Internet. MSBuild also includes special rules to support the Boolean negation operator. zip file to create. You can call a target from another target in two ways. It turns out that MSBuild does return one bit of information from a Target: its Outputs. Happy hacking!. MSBuild determines the target build order as follows: InitialTargets targets are run. csproj file from source control. Anyway, although I could build the solution just fine with MSBuild, every time I added. target: string: Build these targets in this project. To build a specific target of a specific project in a …. Issue Description I have a solution file with several projects in and use -targets to selectively build some projects in this solution. exe /nologo ClientBin\ Nice. OPTIONS_RELEASE. + How target and task batching work + How to chain targets together + How to create incremental builds + How to integrate other tools into MSBuild + How to write your own custom tasks when MSBuild lacks the expressive power. Passing input parameters as properties. Jenkins 복원되지 않음 NuGet 패키지로 새로운 MSBuild 복원을 대상. With the & exit %errorlevel% on the same line as the PowerShell command, 0 is always returned even if Exit -1 is in the PowerShell script. If you search for MSB4019, you will find a few different resolutions. paket add msbuild. csproj to add a target like --> From command. MSBuild loads custom assembly dll into its main AppDomain and therefore this assembly becomes locked until MSBuild …. Rating & Review. To do so, follow this tip shared by Ritch Melton on StackOverflow: Then run a plain build. Targets (groups of tasks) allow you to specify inputs and outputs, but the "outputs" list is assumed to be files, so if it finds the outputs are up to date, it won't run that input. NuGet places the MSBuild imports at the end. Add a new target to your project file and make it output the path of to the imported file. Determining the Target Build Order MSBuild determines the target build order as follows: 1. 0 unit-console. Type: boolean. c) On cds project folder, run. They design MSBuild to call targets using attribute 'DependsOnTargets'. Originally MSBuild was introduced in order to enable developers to build products in environments where Visual Studio is not installed. tlb COM+ type library file. targets file. 0 to produce. I am trying to use MSBuild to build a solution with a specified target platform (I need both binaries, x86 and x64). sln file, TargetOutputs would give me nothing. You can see the automatically deduced triplet by setting your MSBuild verbosity to Normal or higher: Shortcut: Ctrl+Q "build and run" Tools -> Options -> Projects and Solutions -> Build and Run -> MSBuild project build output verbosity. Although there is an issue open on MSBuild to improve this (see Microsoft/MSBuild#1312), if you're reading this, you probably can't wait for a future version of MSBuild. Msbuild will process the first target in the file by default. All of the usual MSBuild command line options can be used. It works fine for the first project, projA. If the path to an output file is provided that will be used instead. Each Exec task simply changes the extension of the filename and prints a message. The argument is the command to execute. Some folks like to custom craft their MSBuild files and others like to get the auto-generate one. CurrentVersion. (The computer does not have to be connected to the Internet. proj) to get targets and then lists it to provide ability to execute them. I have been messing with msbuild for a project I'm doing lately and I have come to a roadblock. Using MSBuild has the benefit that from a single codebase you can easily target all the Windows platforms that VS supports today, and you can leverage the C++ …. However, when I run the app, this target runs twice. Rebuild solution. You can use MSBuild item collections and properties as parameters. This will be limited to the. I would use this to extend the restore logical operation to consume other package sources that are not supported by NuGet. MSBuild doesn’t support running targets in parallel, but rather supports running projects in parallel. Please contact its maintainers for support. MSBuild 2015#. The restore target should not be run in combination with the build target. Target\Task with breakpoint becomes marked with red circle. targets files to define their build process. --> < Import Project = ". @djanosik the compile targets ( BeforeCompile and friends) are only executed in the inner builds so you'd need to hook on a different target as well. In my csproj file I want to do something like the following:. zip archive from. I'm able to copy the files on "Build" target, or other targets aswell, but to a hardcoded directory. Iterating over lists in MSBuild. Build only one project from the sln ::: This can be done by setting an environment variable before calling the MSBuild for a solution. Lets look at an example target for compressing Javascript.