Utility to take a MsBuild Project File or Visual Studio Solution file and generate a DOT Graph of all its ProjectReference Elements
dotnet create-digraph MyProject.csproj > out.g
or
MsBuildProjectReferenceDependencyGraph.exe MyProject.csproj > out.g
Because the output is simply piped to Standard Out we redirect it to an output file for further processing by other utilities.
For example you can use Webgraphviz (http://www.webgraphviz.com/) to produce a graph online or download and install GraphViz (https://graphviz.gitlab.io/)
There are now two ways to run this tool:
- (Compiled Executable) Invoke the tool via
MsBuildProjectReferenceDependencyGraphand pass the arguments. - (Dotnet Tool) Install this tool using the following command
dotnet tool install MsBuildProjectReferenceDependencyGraph(assuming that you have the nuget package in your feed) then invoke it viadotnet create-digraph
In both cases the flags to the tooling are identical:
Usage: MyProject.sln-or-proj [-s][-a][-sar][-spr][-sA]
Takes either an MsBuild Project File or Visual Studio Solution File and generate
a DOT Graph of all its ProjectReference Elements.
<> The Project or Solution to evaluate
-a, --anonymize Anonymizes the names of all references
--sA, --ShowAllReferences
Show both "Assembly" and "PackageReference"
References in graph
--sar, --ShowAssemblyReferences
Show "Assembly" References in graph
--spr, --ShowPackageReferences
Show "PackageReference" References in graph
-s, --sort Sort the output of this tool
-?, -h, --help Show this message and exit
In all of the examples below we show this tool being invoked via the dotnet create-digraph command but it would alternatively work with MsBuildProjectReferenceDependencyGraph.exe as well.
Produce an anonymized version of your graph. This is useful for when you wish to share the general shape of your dependency tree without exposing any privileged information.
dotnet create-diagraph MyProject.csproj -a > out.g
digraph {
"1"
"2"
"3"
"3" -> "1"
"3" -> "2"
}
This program was originally designed only to trace <ProjectReference> References, however it has been extended to support showing other similar References such as <Assembly> and <PackageReference> directives. You must pass the appropriate flag to have the tool follow these.
They are each put into their own section in the generated DotGraph and are also appended with a [class=""] attribute to allow for any custom CSS applied to the DotGraph to call these out in a different style.
Be warned that this can generate extremely complex graphs.
This combines all of the flags described below into a single argument.
dotnet create-diagraph ProjectD.csproj -sA > out.g
digraph {
"ProjectD.csproj"
//--------------------------
// AssemblyReference Section
//--------------------------
"Moq" [class="AssemblyReference"]
"ProjectD.csproj" -> "Moq"
"ProjectD.csproj" -> "System"
"System" [class="AssemblyReference"]
//--------------------------
// PackageReference Section
//--------------------------
"NUnit" [class="PackageReference"]
"ProjectD.csproj" -> "NUnit"
}
In addition to displaying <ProjectReference> a new section will be generated in the DotGraph to show <Assembly> References.
WARNING Assembly References are considered "best effort" they are truncated down to just the assembly name. This means that if you have projects with references like:
Project 1
<Reference Include="Moq, Version=4.0.10827.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
<HintPath>..\..\..\..\..\ProductDependencies\Moq\Moq.dll</HintPath>
</Reference>Project 2
<Reference Include="Moq, Version=5.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL" />Project 3
<Reference Include="Moq" />This tooling treats all them as the same reference, even though MSBuild will not. This was done to simplify the processing of the dependencies.
dotnet create-diagraph MoqProject.csproj -sA > out.g
digraph {
"MoqProject.csproj"
//--------------------------
// AssemblyReference Section
//--------------------------
"Moq" [class="AssemblyReference"]
"MoqProject.csproj" -> "Moq"
}
In addition to displaying <ProjectReference> a new section will be generated in the DotGraph to show <PackageReference> References.
WARNING Package References are considered "best effort" they are based on just the package name and do not account for the version. This means that if you have projects with references like:
Project 1
<PackageReference Include="NUnit">
<Version>3.11.0</Version>
</PackageReference>Project 2
<PackageReference Include="NUnit">
<Version>3.12.0</Version>
</PackageReference>This tooling treats all them as the same reference, even though MSBuild will not. This was done to simplify the processing of the dependencies.
dotnet create-diagraph NUnitProject.csproj -sA > out.g
digraph {
"NUnitProject.csproj"
//--------------------------
// PackageReference Section
//--------------------------
"NUnit" [class="PackageReference"]
"NUnitProject.csproj" -> "NUnit"
}
Sort the output (based on filename) if you need the output to be idempotent. For example consider using the tool to dump trees in a tight loop and committing the changes (if any) into a version control system.
dotnet create-diagraph MyProject.csproj -s > out.g
This tool heavily utilizes StringBuilder.AppendLine(string) to build up the digraphs. As of the writing of this program, Microsoft implements this using Envrionment.NewLine and does not provide a way for consumers of StringBuilder to override this.
This means that when this tool is used on non-Windows platforms the line endings of the generated digraph files are \n (Line Feed) as opposed to \r\n (Carriage Return Line Feed) in Windows. Currently this tool does not attempt to perform any normalization and is left as an exercise to the reader.
This is licensed under the MIT License.
This project uses other open source contributions see LICENSES.md for a comprehensive listing.
I accept pull requests and am responsive on GitHub, Let me know!
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