Repository: incubator-brooklyn
Updated Branches:
  refs/heads/master 80bf72873 -> c2494dce8


Windows scripting documentation updates
- $ErrorActionPreference
- powershell commands limitations


Project: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/repo
Commit: 
http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/commit/0e3953b2
Tree: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/tree/0e3953b2
Diff: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/diff/0e3953b2

Branch: refs/heads/master
Commit: 0e3953b2ab47fb331ac3823778626ee36cce272f
Parents: f1d90c6
Author: Valentin Aitken <[email protected]>
Authored: Mon Oct 19 10:16:27 2015 +0300
Committer: Valentin Aitken <[email protected]>
Committed: Mon Oct 19 14:54:37 2015 +0300

----------------------------------------------------------------------
 docs/guide/yaml/winrm/index.md | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/0e3953b2/docs/guide/yaml/winrm/index.md
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diff --git a/docs/guide/yaml/winrm/index.md b/docs/guide/yaml/winrm/index.md
index a29d75a..e09564e 100644
--- a/docs/guide/yaml/winrm/index.md
+++ b/docs/guide/yaml/winrm/index.md
@@ -148,12 +148,26 @@ circumstances. It is therefore advisable to follow the 
guidelines below.
 Upload this (e.g. by including it in the `files.preinstall` configuration). 
For the configuration
 of the given command, execute the file.*
 
-For Powershell files, consider including the line below at the start of the 
file. 
-Without this, it defaults to "continue" which means that if a command in the 
Powershell file fails
-then it will continue and return an exit code based on only the final command.
+When you have a command inside the powershell script which want to report its 
non zero exiting, 
+please consider adding a check for its exit code after it.
+Example:
+
+    C:\install.exe
+    If ($lastexitcode -ne 0) {
+        exit $lastexitcode
+    }
+
+For Powershell files, consider including 
 
     $ErrorActionPreference = "Stop"
 
+at the start of the file. 
+`$ErrorActionPreference` Determines how Windows PowerShell responds to a 
non-terminating
+error (an error that does not stop the cmdlet processing) at the
+command line or in a script, cmdlet, or provider, such as the
+errors generated by the Write-Error cmdlet.
+https://technet.microsoft.com/en-us/library/hh847796.aspx
+
 See [Incorrect Exit Codes](#incorrect-exit-codes) under Known Limitations 
below.
 
 ### Executing Scripts From Batch Commands
@@ -424,9 +438,14 @@ is not respected. For example, the command below will 
receive an exit code of 0.
 
 ##### Non-zero Exit Code Returned as One
 
-If a batch or Powershell file exits with an exit code greater than one (or 
negative), this may 
-be reported as 1 over WinRM. For example, if a batch file ends with `exit /B 
3`, the WinRM 
-result from executing that file will be 1.
+If a batch or Powershell file exits with an exit code greater than one (or 
negative), this will 
+be reported as 1 over WinRM.
+
+We advise you to use native commands (non-powershell ones) since executing it 
as a native command
+will return the exact exit code rather than 1.
+For instance if you have installmssql.ps1 script use `install.command: 
powershell -command "C:\\installmssql.ps1"`
+rather than using `install.powershell.command: "C:\\installmssql.ps1"`
+The first will give you an exact exit code rather than 1
 
 ### PowerShell "Preparing modules for first use"
 

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