Thoughtworks Go, adding a version text file as a build artifact

Firstly let me be clear that we use Go from Thoughtworks but I'm sure you can use the same technique outlined below for other CI systems such as Teamcity or TFS.

When we deploy our built code to the live servers its good to be able to see what the version of the dlls/exes files is. To do this we put a file in the same directory as the built files called version.txt which contains the details of the build that has been deployed, the build number, the revision of SVN that formed the source for the build.

If you look in the console tab of the build job that you have set up you will see something similar to the following:
[go] setting environment variable 'GO_ENVIRONMENT_NAME' to value 'CI'
[go] setting environment variable 'GO_SERVER_URL' to value 'https://buildAgent01:8154/go/'
[go] setting environment variable 'GO_TRIGGER_USER' to value 'changes'
[go] setting environment variable 'GO_PIPELINE_NAME' to value 'Scoring'
[go] setting environment variable 'GO_PIPELINE_COUNTER' to value '81'
[go] setting environment variable 'GO_PIPELINE_LABEL' to value '81'
[go] setting environment variable 'GO_STAGE_NAME' to value 'Build'
[go] setting environment variable 'GO_STAGE_COUNTER' to value '1'
[go] setting environment variable 'GO_JOB_NAME' to value 'BuildSolution'
[go] setting environment variable 'GO_REVISION' to value '6343'
[go] setting environment variable 'GO_TO_REVISION' to value '6343'
[go] setting environment variable 'GO_FROM_REVISION' to value '6343'
With this data you can create a task which uses powershell to create the file
Command: powershell
Arguments: sc .\version.txt "GO_ENVIRONMENT_NAME:%GO_ENVIRONMENT_NAME%, GO_SERVER_URL:%GO_SERVER_URL%, GO_TRIGGER_USER:%GO_TRIGGER_USER%, GO_PIPELINE_NAME:%GO_PIPELINE_NAME%, GO_PIPELINE_COUNTER:%GO_PIPELINE_COUNTER%, GO_PIPELINE_LABEL:%GO_PIPELINE_LABEL%, GO_STAGE_NAME:%GO_STAGE_NAME%, GO_STAGE_COUNTER:%GO_STAGE_COUNTER%, GO_JOB_NAME:%GO_JOB_NAME%, GO_REVISION:%GO_REVISION%"
This produces a text file like this:

version.txt

GO_ENVIRONMENT_NAME:CI
GO_SERVER_URL:https://buildAgent01:8154/go/
GO_TRIGGER_USER:changes
GO_PIPELINE_NAME:Scoring
GO_PIPELINE_COUNTER:81
GO_PIPELINE_LABEL:81
GO_STAGE_NAME:Build
GO_STAGE_COUNTER:1
GO_JOB_NAME:BuildSolution
GO_REVISION:6343
make sure this file is included in the build output folder along with the build artifacts, good times.