That explains a lot. I always thought, "that message is lying" because,
indeed, the property in the file DID get overwritten with my command line
entry. Now that I realize the error is talking about the property statement in
the file, I won't call NAnt a lier anymore. The only reason I put in the
property in the file is for a default. The message doesn't bug me, so I'm ok
with this.
----- Original Message ----
From: Ken Parrish <[EMAIL PROTECTED]>
To: "Roebuck, Alex" <[EMAIL PROTECTED]>
Cc: nant-users@lists.sourceforge.net
Sent: Monday, March 3, 2008 10:04:58 AM
Subject: Re: [NAnt-users] Command line properties - Can you explainthismessage?
Alex,
Yes, now I see what is going on. Modified the script as follows to set a
'default' value in the event it is not specified on the command line as such:
<?xml version="1.0"?>
<project name="TestBuild" default="default" basedir=".">
<if test="${not property::exists('TestProperty')}" >
<property name="TestProperty" value="foo" />
</if>
<target name="*">
<echo message="TestProperty = ${TestProperty}" />
</target>
</project>
This elicits the behavior that I want without the error message.
Thanks,
Ken Parrish
Roebuck, Alex wrote:
This also fooled me for a long time.
The message saying "cannot overwrite read-only property" refers to the line in
the NAnt build file trying to assign to a property that has been assigned on
the command-line, not vice versa.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bob Archer
Sent: Monday, March 03, 2008 4:38 PM
To: Martin Gainty; [EMAIL PROTECTED]; nant-users@lists.sourceforge.net
Subject: Re: [NAnt-users] Command line properties - Can you explainthismessage?
That won’t work because a property set on the command line is read-only by
design.
(Overwrite by default is already set to true anyhow.)
BOb
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Martin Gainty
Sent: Monday, March 03, 2008 11:31 AM
To: [EMAIL PROTECTED] ; nant-users@lists.sourceforge.net
Subject: Re: [NAnt-users] Command line properties - Can you explain thismessage?
Hi Ken-
1) you'll need to set overwrite attribute to true e.g.
<property name="TestProperty" value="foo" overwrite="true"/>
2)The user MUST HAVE write privileges to the folder in which he is writing
so user fu can overwrite bar.txt
chown fu bar.txt
HTH
Martin-
----- Original Message -----
From: Ken Parrish
To: nant-users@lists.sourceforge.net
Sent: Monday, March 03, 2008 11:06 AM
Subject: [NAnt-users] Command line properties - Can you explain this message?
I am setting a property from the command line. It seems to work, but I get a
message indicating that I cannot overwrite the property, yet the property does
in fact get set. Can anyone help explain this?
______________
Nant Script:
<?xml version="1.0"?>
<project name="TestBuild" default="default" basedir=".">
<property name="TestProperty" value="foo" readonly="false" />
<target name="*">
<echo message="TestProperty = ${TestProperty}" />
</target>
</project>
______________
Command Line:
nant -D:TestProperty=bar
______________
Output:
NAnt 0.85 (Build 0.85.2478.0; release; 10/14/2006)
Copyright (C) 2001-2006 Gerry Shaw
http://nant.sourceforge.net
Buildfile:
file:///C:/Gomez/svn/Source/GPNCore/trunk/Applications/test/test.build
Target framework: Microsoft .NET Framework 2.0
Target(s) specified: default
[property] Read-only property "TestProperty" cannot be overwritten.
default:
[echo] TestProperty = bar
BUILD SUCCEEDED - 0 non-fatal error(s), 1 warning(s)
Total time: 0 seconds.
______________
Thanks,
Ken Parrish
Gomez, Inc.
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