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问题:
Just wondering what's the best approach to versioning of .NET builds?
I use:
- TFS 2013 for version control
- TFS gated check-ins
- Wix 3.8 to package code to MSI files
I want to set version of:
- assemblies (AssemblyInfo.cs, or a shared one referenced in all projects)
- MSI packages (in Wix code)
- documentation (for example inside readme.txt file in the final output of the build)
- etc
Ideal version number would allow tracing installed software back to the exact source code.
Something like:
<Major>.<Minor>.<TFS_changeset_number>
First 2 parts of the version I want to store in some simple text \ XML file in version control near the solution, as I believe they should live together. Developers will update this file manually (for example following Semantic Versioning approach). Each build will read this version file, get 3d part of the version from the calling CI tool, and update all the necessary files with the version.
What's the best way to implement this?
I've used a few approaches in the past:
1) NAnt \ MsBuild wrapper that does this version work, then calls MsBuild for the solution. It could be called from CI tool (Jenkins \ TeamCity \ etc).
Problem - integration with TFS gated check-in is ugly as I build solution twice.
2) customize TFS build process template
Problem - it's not that simple, and causes some merge work on TFS upgrades. Also changeset number doesn't exist yet in gated check-ins, so we can only use the previous changeset id.
3) A separate MsBuild project in solution, which does only this versioning task, and is configured to run first in Project Build Order of the VS solution.
Problem - need to reference this meta-project in all other projects (including all future ones) which feel ugly
I know different MsBuild and TFS extension packs that can simplify updates. This topic is not about which one is the best. The question is more methodological than technical.
I also think that it would be ideal if Microsoft include something for versioning in their standard TFS build template. Other CI tools already have this functionality (AssemblyInfo patcher).
UPDATE 11/09/2014
I've decided to clearly express the Versioning Principles that will conform to the best practices of Agile \ Continuous Delivery:
1) Ability to reproduce any historic build
2) As a consequence of 1) and according to CD principles everything (source code, tests, app configs, env configs, build\package\deploy scripts, etc) is stored under version control and so has a version assigned to it
3) Version number is stored tightly together with the source code it applies to
4) People are able to update version according to their business\marketing logics
5) There is only 1 master copy of the version, which is used in all parts of automated build\packaging process
6) You can easily say which Version of the software is currently installed on the target system
7) Version of the installed software must unambiguously identify the source code that was used to build it
8) It's very simple to compare versions to say which is lower and which is higher - to control which upgrade\downgrade scenarios are allowed and implementation specifics of them
UPDATE 15/09/2014
See my own answer below.
I was lucky to find the solution that meets all my requirements!
回答1:
Good grief, all those complicated answers.
In TFS 2013 this is simple. The Community TFS Build Extensions site offers a simple PowerShell to pull the build number from the build name that is assigned by TFS.
You configure your build number format to be "$(BuildDefinitionName)_6.0.0$(Rev:.r)" which will result in something like "6.0.0.1" where the "1" is incremented for each build.
You then add the PowerShell versioning script to your build and it automagically scrapes the version number above and applies it to all AssemblyInfo.* files in the build folder. You can add additional file types by updating the script.
回答2:
I came up with a solution that meets all my requirements, and surprisingly quite simple one!
IDEA
Put all custom Versioning work into a custom Version.proj MsBuild script and call it in TFS build definition before the .sln. The script injects Version into source code (SharedAssemblyInfo.cs, Wix code, readme.txt), and then solution build builds that source code.
Version is formed from Major and Minor numbers living in Version.xml file stored in TFS together with the source codes; and from Changeset Number supplied as TF_BUILD_SOURCEGETVERSION env var by parent TFS Build process
Thanks Microsoft for this:
- TFS 2013 - passes TF_BUILD environment variables to the build process, this is how I get changeset number of the current code being built
- MsBuild allows inline tasks in C# - to replace version in source files using Regex C# class
So there is no need to use any MsBuild or TFS community\extension packs\addons\whatever. And there is no need to modify standard TFS build process template.
Simple solution leads to high maintainability!
IMPLEMENTATION
Version.proj
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<!--
Run this script for every build in CI tool before building the main solution
If you build in TFS, simply add script as the first item in a list of projects under Process tab > Build > Projects
-->
<PropertyGroup>
<VersionFile>..\Version.xml</VersionFile>
<MainProjectDir>... set this to main solution directory ...</MainProjectDir>
</PropertyGroup>
<Import Project="$(VersionFile)"/>
<Import Project="Common.proj"/>
<Target Name="GetMajorMinorNumbers">
<Error Text="ERROR: MajorVersion is not set in $(VersionFile)" Condition="'$(MajorVersion)' == ''" />
<Message Text="MajorVersion: $(MajorVersion)" />
<Error Text="ERROR: MinorVersion is not set in $(VersionFile)" Condition="'$(MinorVersion)' == ''" />
<Message Text="MinorVersion: $(MinorVersion)" />
</Target>
<Target Name="GetChangesetNumber">
<Error Text="ERROR: env var TF_BUILD_SOURCEGETVERSION is not set, see http://msdn.microsoft.com/en-us/library/hh850448.aspx" Condition="'$(TF_BUILD_SOURCEGETVERSION)' == ''" />
<Message Text="TF_BUILD_SOURCEGETVERSION: $(TF_BUILD_SOURCEGETVERSION)" />
</Target>
<Target Name="FormFullVersion">
<PropertyGroup>
<FullVersion>$(MajorVersion).$(MinorVersion).$(TF_BUILD_SOURCEGETVERSION.Substring(1))</FullVersion>
</PropertyGroup>
<Message Text="FullVersion: $(FullVersion)" />
</Target>
<Target Name="UpdateVersionInFilesByRegex">
<ItemGroup>
<!-- could have simplified regex as Assembly(File)?Version to include both items, but this can update only one of them if another is not found and operation will still finish successfully which is bad -->
<FilesToUpdate Include="$(MainProjectDir)\**\AssemblyInfo.cs">
<Regex>(?<=\[assembly:\s*Assembly?Version\(["'])(\d+\.){2,3}\d+(?=["']\)\])</Regex>
<Replacement>$(FullVersion)</Replacement>
</FilesToUpdate>
<FilesToUpdate Include="$(MainProjectDir)\**\AssemblyInfo.cs">
<Regex>(?<=\[assembly:\s*AssemblyFileVersion\(["'])(\d+\.){2,3}\d+(?=["']\)\])</Regex>
<Replacement>$(FullVersion)</Replacement>
</FilesToUpdate>
<FilesToUpdate Include="CommonProperties.wxi">
<Regex>(?<=<\?define\s+ProductVersion\s*=\s*['"])(\d+\.){2,3}\d+(?=["']\s*\?>)</Regex>
<Replacement>$(FullVersion)</Replacement>
</FilesToUpdate>
</ItemGroup>
<Exec Command="attrib -r %(FilesToUpdate.Identity)" />
<Message Text="Updating version in %(FilesToUpdate.Identity)" />
<RegexReplace Path="%(FilesToUpdate.Identity)" Regex="%(Regex)" Replacement="%(Replacement)"/>
</Target>
<Target Name="WriteReadmeFile">
<Error Text="ERROR: env var TF_BUILD_BINARIESDIRECTORY is not set, see http://msdn.microsoft.com/en-us/library/hh850448.aspx" Condition="'$(TF_BUILD_BINARIESDIRECTORY)' == ''" />
<WriteLinesToFile
File="$(TF_BUILD_BINARIESDIRECTORY)\readme.txt"
Lines="This is version $(FullVersion)"
Overwrite="true"
Encoding="Unicode"/>
</Target>
<Target Name="Build">
<CallTarget Targets="GetMajorMinorNumbers" />
<CallTarget Targets="GetChangesetNumber" />
<CallTarget Targets="FormFullVersion" />
<CallTarget Targets="UpdateVersionInFilesByRegex" />
<CallTarget Targets="WriteReadmeFile" />
</Target>
</Project>
Common.proj
<Project xmlns='http://schemas.microsoft.com/developer/msbuild/2003' ToolsVersion="12.0">
<!-- based on example from http://msdn.microsoft.com/en-us/library/dd722601.aspx -->
<UsingTask TaskName="RegexReplace" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v12.0.dll">
<ParameterGroup>
<Path ParameterType="System.String" Required="true" />
<Regex ParameterType="System.String" Required="true" />
<Replacement ParameterType="System.String" Required="true" />
</ParameterGroup>
<Task>
<Reference Include="System.Core" />
<Using Namespace="System" />
<Using Namespace="System.IO" />
<Using Namespace="System.Text.RegularExpressions" />
<Code Type="Fragment" Language="cs"><![CDATA[
string content = File.ReadAllText(Path);
if (! System.Text.RegularExpressions.Regex.IsMatch(content, Regex)) {
Log.LogError("ERROR: file does not match pattern");
}
content = System.Text.RegularExpressions.Regex.Replace(content, Regex, Replacement);
File.WriteAllText(Path, content);
return !Log.HasLoggedErrors;
]]></Code>
</Task>
</UsingTask>
<Target Name='Demo' >
<RegexReplace Path="C:\Project\Target.config" Regex="$MyRegex$" Replacement="MyValue"/>
</Target>
</Project>
Version.xml
<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<MajorVersion>1</MajorVersion>
<MinorVersion>1</MinorVersion>
</PropertyGroup>
</Project>
回答3:
Injecting the Changeset number is great, but it really doesn't do everything I need it to. For instance, if I know the changeset number of a build produced by my build system, do I really know what is in that executable? No I do not, as the build could have been a private build, or even a failed build.
We put our trust in the Build number (BuildID, really) instead, so that we can get as much data about that build as possible by querying the TFS system after the fact. This way we can determine if the build was a private build, was a build that had special command line parameters passed to it, and other pertinent details.
We use the following setup:
Set the build format in the build definition to be something like: 1.0.0.$(BuildId)
In the build process template, in the MSBuild task, inject the following to the MSBuildArguments item
String.format("/p:BuildNumber={0}", BuildDetail.BuildNumber)
...ensure you leave what was already there.In your projects (or ideally, a common props file included in all your projects) defined a property called build number that defaults to something like 0.0.0.1.
<PropertyGroup><BuildNumber Condition="'$(BuildNumber)'==''">0.0.0.1</BuildNumber></PropertyGroup>
note that you can further break this down however you like using property functions. We use this to get the Major number for instance:<MajorVersionNumber>$(BuildNumber.Split('.')[0])</MajorVersionNumber>
and yes, this does put a dependency on the build number format in our builds!In your project, you can make use of the build number property to inject into various files during build time. You can use custom build tasks (I use 'sed' and this macro to inject a version number into a .h file for instance - the same could be done with any text-based file type).
If you have more complex versioning requirements you can make use of custom MSBuild targets that inject the build number into other file types. I have done exactly that with versioning for NuGet packages that our builds automatically create for our common-library CS projects for example.
To query a build by its build number then, you can do the following in PowerShell (with the Visual Studio Team Foundation Server Power Tools installed):
Add-PSSnapin Microsoft.TeamFoundation.PowerShell # you must install the VS TFS Power tools with the powershell option enabled to get this... a must have IMHO
$tfs = Get-TfsServer http://yourtfsserver:8080/tfs/YourProjectCollectionName
[void][Reflection.Assembly]::LoadWithPartialName('Microsoft.TeamFoundation.Build.Client')
$buildserver = $tfs.GetService([Microsoft.TeamFoundation.Build.Client.IBuildServer])
$buildQuerySpec = $buildserver.CreateBuildDetailSpec("YourTFSProjectName","Your-Build-Definition-Name")
$buildQuerySpec.BuildNumber = '1.0.0.12345' # put your build number here.
$buildQuerySpec.QueryDeletedOption = 'IncludeDeleted'
$bld = $buildserver.QueryBuilds($buildQuerySpec)
With the '$bld' you can now query all the properties of that particular build. For instance, to see what changeset the build was based on, the status of the build, who instigated the build, and if there was a shelveset for the build:
$bld.Builds[0] | Ft -Property BuildFinished,RequestedFor,ShelvesetName,Status,SourceGetVersion -AutoSize
Edit: Correct typo in Powershell script
回答4:
I downloaded this script (thanks to MrHinsh's answer), checked-in the script in source control and specified it in the build definition pre-build script path:
Then I configured build number format as "$(BuildDefinitionName)_1.0.0$(Rev:.r)" (see MrHinsh's answer for details).
And it works to my surprise.
回答5:
I'm working on a project that has similar, but not identical requirements. Th major and minor versions are kept in AssemblyInfo as any standard .net project would have them. On our build server, we have a wrapper MsBuild script that invokes the .sln build, but it also does some setup tasks including generating additional build information. This build file is only executed on our build server. Developers building through Visual Studio will only build the .sln, and not get that additional behavior.
回答6:
We have a similar requirement and make use of the NANT ASMINFO TASK. During the TFS build we invoke this additional NANT target which creates a new AssemblyVersion.cs file.
<asminfo output="AssemblyInfo.cs" language="CSharp">
<imports>
<import namespace="System" />
<import namespace="System.Reflection" />
<import namespace="System.EnterpriseServices" />
<import namespace="System.Runtime.InteropServices" />
</imports>
<attributes>
<attribute type="ComVisibleAttribute" value="false" />
<attribute type="CLSCompliantAttribute" value="true" />
<attribute type="AssemblyVersionAttribute" value="${version.number}" />
<attribute type="AssemblyTitleAttribute" value="My fun assembly" />
<attribute type="AssemblyDescriptionAttribute" value="More fun than a barrel of monkeys" />
<attribute type="AssemblyCopyrightAttribute" value="Copyright (c) 2002, Monkeyboy, Inc." />
<attribute type="ApplicationNameAttribute" value="FunAssembly" />
</attributes>
<references>
<include name="System.EnterpriseServices.dll" />
</references>
Please make note of the property ${version.number}, which is actually set based on your requirement. Then we loop through the exisiting Assemblyversion.cs files and make them read only and then replace it with the new file which we created.
<attrib readonly="false" file="${project}\AssemblyVersion.cs"/>
As you might know, this target gets executed before compilation.
回答7:
I use [Major].[Minor].[BuildNumber].[revision]
I can then trace back to a build, which will give a changeset, which will give a work item etc.
You can use the community build tasks or I roll my own.
I do the same for MSI's and DacPac's
basically attrib the assemblyinfo file and then update the number using a regex, on a daily build leave the net version at the same value and just update the file version, so you can maintain compatability
the same method for the MSI's and the Dacapac's just different locations. in the MSI i have a Buildparams.wxi which has the following structure
<?xml version="1.0" encoding="utf-8"?>
<Include>
<?define ProductVersion="1.2.3.4"?>
</Include>
Productversion is then used as var.Productversion in the wix scripts. pre build i update the 1.2.3.4 with the build number i want to use
回答8:
<Target Name="GetTFSVersion" >
<Exec Command="$(TF) history /server:[tfs]\DefaultCollection"$/FP4WebServices/Staging" /stopafter:1 /recursive /login:domain\user,password /noprompt | find /V "Changeset" | find /V > $(LatestChangeSetTxtFile).tmp"/>
<Exec Command="FOR /F "eol=; tokens=1 delims=, " $(PERCENT_SIGN)$(PERCENT_SIGN)i in ($(LatestChangeSetTxtFile).tmp) do $(AT_SIGN)echo $(PERCENT_SIGN)$(PERCENT_SIGN)i > $(LatestChangeSetTxtFile)"/>
<ReadLinesFromFile File="$(LatestChangeSetTxtFile)">
<Output TaskParameter="lines" PropertyName="ChangeSet"/>
</ReadLinesFromFile>
<Message Text="TFS ChangeSet: $(ChangeSet)"/>
</Target>
<Target Name="SetVersionInfo" DependsOnTargets="GetTFSVersion">
<Attrib Files="@(AssemblyInfoFiles)" Normal="true"/>
<FileUpdate Files="@(AssemblyInfoFiles)" Regex="AssemblyFileVersion\(".*"\)\]" ReplacementText="AssemblyFileVersion("$(Major).$(Minor).$(Build).$(ChangeSet)")]" />
</Target>
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