On 6/4/07, Steve Loughran <[EMAIL PROTECTED]> wrote:
Kevin Jackson wrote:
> Hi all,
>
> I have a weird error caused by a property being wrong 50% of the time
> and correct 50% of the time.
>
> here's the relevant code:
>
> build.properties
> james.version=server-binary-next-major
> james.home=/var/james
> james.home.direct=/var/james-${james.version}
>
> <macrodef name="ssh-cmd">
> <attribute name="command"/>
> <attribute name="fail" default="true"/>
> <sequential>
> <sshexec host="${deploy.machine.address}"
> port="${deploy.machine.ssh.port}"
> username="root"
> password="${deploy.machine.root.user.password}"
> command="@{command}"
> failonerror="@{fail}" trust="true"/>
> </sequential>
> </macrodef>
>
> <echo>james-${james.version}.tar.gz</echo>
> <ssh-cmd command="cd /var;tar xzvpf
> /root/james-${james.version}.tar.gz;chown -R james:james
> ${james.home.direct}"/>
>
> Ok
> the <echo> produces the following:
>
> james-server-binary-next-major.tar.gz
>
> in the ssh-cmd, the output of the tar xzvpf
> /root/james-${james.version}.tar.gz
>
> tar xzvf /root/james-server-next-major.tar.gz
>
> finally the chown -r james:james ${james.home.direct}
> fails with /var/james/james-server-binary-next-major doesn't exist
>
> so the echo thinks that ${james.version} = server-binary-next-major
> the ssh-cmd macro thinks :
> 1 - ${james.version} = server-next-major
> 2 - then ${james.version} = server-binary-next-major
>
> With ant properties are immutable, so what the hell is happening?
you are getting burned by the fact that the $ in the macro param is
being double expanded. Once in passing to macrodef, and then when being
passed to sshexec
This is yet another wild occurance of this bug.
We may need to do something about it..
Peter
the first tune the command runs, the ${james.version} is not set, but
the second time it is.
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