Set an incoming value to a new value

Question

How do I set an incoming value to a new value in msbuild?

Lets say I have this

  msbuild /t:package /p:revision=2.2

in my msbuild file I want to change the revision to another value in another variable. Let say I have:

 $(Version)

I know want my Version value to set Revision value.

revision = Version

How?

Example You get revision 1.0.0.0 in but want to set revision to what you have in your version?

score 1 · Accepted Answer · answered Dec 13 '13 at 19:01

1

You can do this by using PropertyGroups and Conditions. Save this MsBuild markup as "test.proj".

<Project DefaultTargets="VersionTest" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <Version Condition="'$(Revision)' != ''">$(Revision)</Version>
    <Version Condition="'$(Version)' == ''">0.0.0.0</Version>
  </PropertyGroup>
  <Target Name="VersionTest">
    <Message Importance="high" Text="Revision is: $(Revision)" />
    <Message Importance="high" Text="Version is: $(Version)" />
  </Target>
</Project>

From a command prompt run msbuild.exe test.proj

VersionTest:
  Revision is:
  Version is: 0.0.0.0

Then run: msbuild test.proj /p:Revision=1.0.0.0

VersionTest:
  Revision is: 1.0.0.0
  Version is: 1.0.0.0

answered Dec 13 '13 at 19:01

Nicodemeus

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But what if u want the opposite. You get revision 1.0.0.0 in but want to set revision to what you have in your version? – user1540911 Dec 13 '13 at 20:30
Please articulate this in an update to your post so we don't clutter mine with probing questions :) – Nicodemeus Dec 13 '13 at 20:52
Ok sorry for that. Done – user1540911 Dec 14 '13 at 05:34
On this update, you'd want to understand how expressions work in the previous example then apply those concepts to your new requirements. This way you now understand how to fish! – Nicodemeus Dec 16 '13 at 17:59

Set an incoming value to a new value

1 Answers1