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Posted to user@ant.apache.org by "Knuplesch, Juergen" <Ju...@icongmbh.de> on 2008/02/05 13:27:11 UTC
AW: Fail build when 'replace' task cannot find expected number oftokens
Maybe you could copy the file without changing of the timestamp (attribute preservelastmodified).
Then do the replace on your file.
Then test via <uptodate> if a change happened.
Delete the copy
This will only work, if replace does not change the timestamp, in case of no changes.
Just an idea...
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Jürgen Knuplesch www.icongmbh.de
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-----Ursprüngliche Nachricht-----
Von: Prashant Reddy [mailto:prashant@pramati.com]
Gesendet: Dienstag, 5. Februar 2008 13:06
An: Ant Users List
Betreff: Fail build when 'replace' task cannot find expected number oftokens
Hello ANT users,
Using ANT 1.6.5, a build XML i am using makes use of <replace> task to replace certain token in a bunch of Javascript files.
I would like the build to fail when the replace of a token fails, so that when someone changes the source file such that <replace> does not find any tokens to replace; the incident is caught straight away.
Right now replace only supports printing of summary containing number of tokens that were replaced, but this is not good enough for me.
Humm...Sounds like i should look up if ant-unit can help me out.
I would appreciate any suggestions. (Apart from using resourcecount which is in ANT 1.7)
Thanks for your time.
-Prashant
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Re: AW: Fail build when 'replace' task cannot find expected number
oftokens
Posted by Prashant Reddy <pr...@pramati.com>.
Ok my bad. replace does change the timestamp if the token is replaced.
I was creating the source.txt just before the replace, which also gave
temp.txt same timestamp.
<?xml version="1.0" encoding="UTF-8"?>
<project name="test-replace" default="test">
<target name="test">
<!--<echo file="source.txt" message="token"/>-->
<copy file="source.txt" tofile="temp.txt"
preservelastmodified="true"/>
<replace file="temp.txt" token="token" value="replaced"/>
<condition property="not.replaced">
<not>
<uptodate srcfile="source.txt"
targetfile="temp.txt"></uptodate>
</not>
</condition>
<echo message=" not.replaced : ${not.replaced}"/>
<fail if="not.replaced" message="Not replaced"/>
<delete file="temp.txt"/>
</target>
</project>
On Tue, 2008-02-05 at 18:24 +0530, Prashant Reddy wrote:
> Thanks for a good idea. nice and simple.
>
> Quick check with following build.xml reveals that the replace does not
> modify timestamp even when token is replaced. However this approach will
> not catch scenario where 1 instance was replaced when 2 were expected.
>
> <?xml version="1.0" encoding="UTF-8"?>
> <project name="test-replace" default="test">
> <target name="test">
> <echo file="source.txt" message="token"/>
> <copy file="source.txt" tofile="temp.txt"
> preservelastmodified="true"/>
> <replace file="temp.txt" token="token" value="replaced"/>
> <condition property="not.replaced">
> <not>
> <uptodate srcfile="source.txt"
> targetfile="temp.txt"></uptodate>
> </not>
> </condition>
> <fail if="not.replaced" message="Not replaced"/>
> </target>
> </project>
>
> $ ls -lt
> total 12
> -rw-r--r-- 1 prashant prashant 5 2008-02-05 18:22 source.txt
> -rw-r--r-- 1 prashant prashant 8 2008-02-05 18:22 temp.txt
> -rw-r--r-- 1 prashant prashant 569 2008-02-05 18:22 build.xml
>
> -Prashant
>
> On Tue, 2008-02-05 at 13:27 +0100, Knuplesch, Juergen wrote:
> > Maybe you could copy the file without changing of the timestamp (attribute preservelastmodified).
> > Then do the replace on your file.
> > Then test via <uptodate> if a change happened.
> > Delete the copy
> >
> > This will only work, if replace does not change the timestamp, in case of no changes.
> >
> > Just an idea...
> >
>
>
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Re: AW: Fail build when 'replace' task cannot find expected number
oftokens
Posted by Prashant Reddy <pr...@pramati.com>.
Thanks for a good idea. nice and simple.
Quick check with following build.xml reveals that the replace does not
modify timestamp even when token is replaced. However this approach will
not catch scenario where 1 instance was replaced when 2 were expected.
<?xml version="1.0" encoding="UTF-8"?>
<project name="test-replace" default="test">
<target name="test">
<echo file="source.txt" message="token"/>
<copy file="source.txt" tofile="temp.txt"
preservelastmodified="true"/>
<replace file="temp.txt" token="token" value="replaced"/>
<condition property="not.replaced">
<not>
<uptodate srcfile="source.txt"
targetfile="temp.txt"></uptodate>
</not>
</condition>
<fail if="not.replaced" message="Not replaced"/>
</target>
</project>
$ ls -lt
total 12
-rw-r--r-- 1 prashant prashant 5 2008-02-05 18:22 source.txt
-rw-r--r-- 1 prashant prashant 8 2008-02-05 18:22 temp.txt
-rw-r--r-- 1 prashant prashant 569 2008-02-05 18:22 build.xml
-Prashant
On Tue, 2008-02-05 at 13:27 +0100, Knuplesch, Juergen wrote:
> Maybe you could copy the file without changing of the timestamp (attribute preservelastmodified).
> Then do the replace on your file.
> Then test via <uptodate> if a change happened.
> Delete the copy
>
> This will only work, if replace does not change the timestamp, in case of no changes.
>
> Just an idea...
>
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