I have a really simple Ant script (below) which appears to show the
<uptodate> task not working as documented. I've tested this on both
unix and windows Ant 1.5.1. Can anyone reproduce it and/or tell me what
I'm doing wrong or misunderstanding?
The script creates two files with different timestamps, and then tests
<uptodate>:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
<?xml version="1.0"?>
<project name="test" default="test">
<property name="tmpdir" value="temp"/>
<target name="test" description="run me">
<delete dir="${tmpdir}"/>
<mkdir dir="${tmpdir}"/>
<touch file="${tmpdir}/one.txt"/>
<sleep seconds="1"/>
<touch file="${tmpdir}/two.txt"/>
<uptodate property="is-uptodate" targetfile="${tmpdir}/one.tmp">
<srcfiles dir="${tmpdir}" file="two.txt"/>
</uptodate>
<property name="is-uptodate" value="false"/>
<echo message="Is one.txt newer than two.txt? ${is-uptodate}"/>
<echo message=""/>
<delete dir="${tmpdir}"/>
<mkdir dir="${tmpdir}"/>
<touch file="${tmpdir}/two.txt"/>
<sleep seconds="1"/>
<touch file="${tmpdir}/one.txt"/>
<uptodate property="is-uptodate2"
targetfile="${tmpdir}/one.tmp">
<srcfiles dir="${tmpdir}" file="two.txt"/>
</uptodate>
<property name="is-uptodate2" value="false"/>
<echo message="Is one.txt newer than two.txt?
${is-uptodate2}"/>
</target>
<target name="test2" description="manual target">
<uptodate property="is-uptodate" targetfile="${tmpdir}/one.tmp"
<srcfile="${tmpdir}/two.txt"/>
<echo message="is-uptodate = ${is-uptodate}"/>
</target>
<target name="clean" description="clean up all created files">
<delete dir="${tmpdir}"/>
</target>
</project>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
I have found the <sleep> task to be REQUIRED for Ant under Windows to
believe that one.txt and two.txt have different timestamps. This in
itself seems like a major issue worth noting somewhere in the Ant docs.
But back to the <uptodate> task...
Below is the output I get under unix. I first run the 'test' target
which automatically timestamps the files. After that I use the 'test2'
target twice to manually timestamp the files.
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
mike@orkid$ ant -version
Apache Ant version 1.5.1 compiled on October 2 2002
mike@orkid$ ant -f test.xml
Buildfile: test.xml
test:
[mkdir] Created dir: /usr2/home/mike/temp
[touch] Creating /usr2/home/mike/temp/one.txt
[touch] Creating /usr2/home/mike/temp/two.txt
[echo] Is one.txt newer than two.txt? false
[delete] Deleting directory /usr2/home/mike/temp
[mkdir] Created dir: /usr2/home/mike/temp
[touch] Creating /usr2/home/mike/temp/two.txt
[touch] Creating /usr2/home/mike/temp/one.txt
[echo] Is one.txt newer than two.txt? false
BUILD SUCCESSFUL
Total time: 4 seconds
mike@orkid$ touch temp/one.txt
mike@orkid$ ant -f test.xml test2
Buildfile: test.xml
test2:
[echo] is-uptodate = ${is-uptodate}
BUILD SUCCESSFUL
Total time: 2 seconds
mike@orkid$ touch temp/two.txt
mike@orkid$ ant -f test.xml test2
Buildfile: test.xml
test2:
[echo] is-uptodate = ${is-uptodate}
BUILD SUCCESSFUL
Total time: 2 seconds
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
It is as if <uptodate> does not set the property EVER.
Can anyone tell me what I'm doing wrong, or reproduce these results?
Thanks.
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