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 <mailto:[EMAIL PROTECTED]>
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
<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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