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Date: Wed, 12 Dec 2001 11:21:57 -0800 (PST)
From: Diane Holt <holtdl@yahoo.com>
Subject: RE: pushd and popd
To: Ant Users List <ant-user@jakarta.apache.org>
In-Reply-To: 
 <7D380B2F4B3BD411B748009027855234019E1201@laxchange.weddingchannel.com>
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Don't you need to hook the whole thing together in quotes (like you would
with 'sh -c "somecmd && someothercmd ...") -- ie:

  cmd /c "... && ... && ..."

Diane

--- Anthony Rodriguez <Anthony@WeddingChannel.com> wrote:
> Interesting, I tried "pushd \\nqa2\testdir && cd && popd" from the
> command line and it worked.
> 
> However when I tried it with ant, it hangs.  Here is my build.xml
> snippet:
> 
>  <target name="pushpop">
>     <exec executable="cmd">
>       <arg line="pushd"/>
>       <arg line="\\${nth.server}${testdir} &amp;&amp; cd &amp;&amp;
> popd"/>
>     </exec>
>  </target>
> 
> I get these results:
> 
> C:\antdir>ant -v init pushpop -buildfile build.xml -Dnth.server=nqa2
> 
> Ant version 1.4Beta2 compiled on August 20 2001
> Buildfile: build.xml
> Detected Java version: 1.3 in: c:\jdk1.3.1\jre
> Detected OS: Windows 2000
> parsing buildfile C:\antdir\build.xml with URI =
> file:C:/antdir/build.xml
> Project base dir set to: C:\antdir
> Property ${classpath} has not been set
> Property ${home} has not been set
> Build sequence for target `init' is [init]
> 
> init:
>  [property] Loading C:\antdir\build.properties
> 
> Build sequence for target `pushpop' is [pushpop]
> 
> pushpop:
>      [exec] Current OS is Windows 2000
>      [exec] cmd pushd \\nqa2\testdir\ && cd && popd
>      [exec] Microsoft Windows 2000 [Version 5.00.2195]
>      [exec] (C) Copyright 1985-2000 Microsoft Corp.
> 
> Then it just hangs here.  Is Ant waiting for the cmd exec to return
> something that it's not returning?  Does this happen whenever you run
> something using cmd?
> 
> -Anthony
> 
> > -----Original Message-----
> > From: Anthony Rodriguez [mailto:Anthony@WeddingChannel.com]
> > Sent: Wednesday, December 12, 2001 10:16 AM
> > To: 'Ant Users List'
> > Subject: RE: pushd and popd
> > 
> > 
> > What I'm really trying to acheive here is to map a network 
> > path to a drive
> > letter, then copy files to that path.  The copy utility I'm using was
> > developed in-house and has trouble with UNC paths.  It has 
> > other features
> > however that are specific and necessary to my environment.  
> > So the idea was
> > to pushd the UNC path, copy to the new drive that pushd 
> > assigns, then popd
> > when I'm done.
> > However by reading the various responses, it looks like Ant 
> > wouldn't leave
> > me in the drive that pushd would assign.  Is this correct?  
> > Is there a way
> > for me to work around this aspect of Ant?   Would I be better 
> > served by
> > writing a .bat file and executing that from Ant?
> > 
> > -Anthony
> > 
> > > -----Original Message-----
> > > From: Conor MacNeill [mailto:conor@cortexebusiness.com.au]
> > > Sent: Tuesday, December 11, 2001 3:53 PM
> > > To: Ant Users List
> > > Subject: RE: pushd and popd
> > > 
> > > 
> > > Anthony,
> > > 
> > > What exactly are you trying to achieve?
> > > 
> > > pushd and popd are builtins to the Windows shell. This is why 
> > > Ant cannot
> > > execute them directly. The normal way around this would be to 
> > > actually exec
> > > cmd.exe and ask it to run the built-in.
> > > 
> > > In your case, however, the pushd and popd commands would only 
> > > affect the
> > > process that is created for the <exec> operation. Any effect 
> > > they did have
> > > would be lost when the <exec> completes and would not affect the Ant
> > > process.
> > > 
> > > Perhaps you can explain why you need to pushd/popd at all 
> > and we could
> > > suggest an alternative approach.
> > > 
> > > Conor
> > > 
> > > 
> > > 
> > > > -----Original Message-----
> > > > From: Anthony Rodriguez [mailto:Anthony@WeddingChannel.com]
> > > > Sent: Wednesday, 12 December 2001 10:22 AM
> > > > To: ant-user@jakarta.apache.org
> > > > Subject: pushd and popd
> > > >
> > > >
> > > > Has anyone had any luck using the Win 2000 programs, pushd 
> > > and popd?  I'm
> > > > trying to use it in my build.xml but it's not working.
> > > >
> > > > build.xml:
> > > > ----------
> > > > <target name="pushpop">
> > > >    <exec executable="pushd">
> > > >        <arg line="\\${server}\${testdir}\"/>
> > > >    </exec>
> > > >    <exec executable="popd"/>
> > > > </target>
> > > >
> > > >
> > > > Here are my results:
> > > > --------------------
> > > > C:\antdir>ant -v init pushpop
> > > >
> > > > Ant version 1.4Beta2 compiled on August 20 2001
> > > > Buildfile: build.xml
> > > > Detected Java version: 1.3 in: c:\jdk1.3.1\jre
> > > > Detected OS: Windows 2000
> > > > parsing buildfile C:\antdir\build.xml with URI = 
> > > file:C:/antdir/build.xml
> > > > Project base dir set to: C:\antdir
> > > > Property ${classpath} has not been set
> > > > Property ${home} has not been set
> > > > Build sequence for target `init' is [init]
> > > >
> > > > init:
> > > >  [property] Loading C:\antdir\build.properties
> > > > Build sequence for target `pushpop' is [pushpop]
> > > >
> > > > pushpop:
> > > >      [exec] Current OS is Windows 2000
> > > >      [exec] pushd \\nqa2\testdir\
> > > >
> > > > BUILD FAILED
> > > >
> > > > C:\antdir\build.xml:256: Execute failed: 
> > > java.io.IOException: CreatePro
> > > > cess: pushd \\nqa2\testdir\ error=2
> > > >         at
> > > > org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:281)
> > > >         at
> > > > org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:177)
> > > >         at org.apache.tools.ant.Task.perform(Task.java:217)
> > > >         at org.apache.tools.ant.Target.execute(Target.java:164)
> > > >         at 
> > org.apache.tools.ant.Target.performTasks(Target.java:182)
> > > >         at 
> > > org.apache.tools.ant.Project.executeTarget(Project.java:601)
> > > >         at 
> > > org.apache.tools.ant.Project.executeTargets(Project.java:560)
> > > >         at org.apache.tools.ant.Main.runBuild(Main.java:454)
> > > >         at org.apache.tools.ant.Main.start(Main.java:153)
> > > >         at org.apache.tools.ant.Main.main(Main.java:176)
> > > > --- Nested Exception ---
> > > > java.io.IOException: CreateProcess: pushd \\nqa2\testdir\ error=2
> > > >         at java.lang.Win32Process.create(Native Method)
> > > >         at java.lang.Win32Process.<init>(Win32Process.java:66)
> > > >         at java.lang.Runtime.execInternal(Native Method)
> > > >         at java.lang.Runtime.exec(Runtime.java:551)
> > > >         at java.lang.reflect.Method.invoke(Native Method)
> > > >         at
> > > > 
> > > 
> > org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Exec
> > > > ute.java:564)
> > > >         at 
> > > org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:384)
> > > >         at
> > > > 
> > org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:250)
> > > >         at
> > > > org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:279)
> > > >         at
> > > > org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:177)
> > > >         at org.apache.tools.ant.Task.perform(Task.java:217)
> > > >         at org.apache.tools.ant.Target.execute(Target.java:164)
> > > >         at 
> > org.apache.tools.ant.Target.performTasks(Target.java:182)
> > > >         at 
> > > org.apache.tools.ant.Project.executeTarget(Project.java:601)
> > > >         at 
> > > org.apache.tools.ant.Project.executeTargets(Project.java:560)
> > > >         at org.apache.tools.ant.Main.runBuild(Main.java:454)
> > > >         at org.apache.tools.ant.Main.start(Main.java:153)
> > > >         at org.apache.tools.ant.Main.main(Main.java:176)
> > > >
> > > > Total time: 2 seconds
> > > >
> > > > Any idea what is going wrong here?
> > > >
> > > > -Anthony
> > > >
> > > 
> > > 
> > > --
> > > To unsubscribe, e-mail:   
> > > <mailto:ant-user-unsubscribe@jakarta.apache.org>
> > > For additional commands, e-mail: 
> > > <mailto:ant-user-help@jakarta.apache.org>
> > > 
> > 
> 


=====
(holtdl@yahoo.com)



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