This is how I extract a CVS branch sticky tag. If you use the HEAD branch, there's no
Tag file, the <loadfile> issues a warning (but doesn't fail), and the tag is defaulted
to HEAD by <property>. The <replaceregex> are there to convert TTTAG_NAME into
TAG_NAME. The ^D.* variant is when you update/checkout by date instead of tag, in
which case I assume HEAD. Someone also submitted a custom task to do this, which must
be in BugZilla somewhere. It didn't go into Ant, partly because the Ant snippet below
is 90% of the solution, albeit longer, and can be made into a <macrodef> easily. --DD
<loadfile property="tag" failonerror="false"
srcfile=".../CVS/Tag <mailto:${modules}/@{name}/CVS/Tag> ">
<filterchain>
<striplinebreaks/>
<tokenfilter>
<replaceregex pattern="^T" replace="" />
<replaceregex pattern="^D.*" replace="HEAD" />
</tokenfilter>
</filterchain>
</loadfile>
<property name="tag" value="HEAD" />
________________________________
From: Alison Monteith [mailto:[EMAIL PROTECTED]
Sent: Tue 11/2/2004 5:39 PM
To: Ant Users List
Subject: getting tag from CVS for use in Ant
Hi,
I don't know much about ant and am trying to fix a problem in our
existing build.xml file.
We have many branches in CVS and our normal procedue is to checkout out
a module which contains a build.xml file then run an ant package in this
directory which creates our software packages etc. As part of the build
script a file called release.txt is created which should contain the cvs
tag and date and timestamp.
Here are the relevant lines from build.xml:
<property name="label" value=${build_num} ${DSTAMP} ${TSTAMP}" />
<exec dir="www"
executable="echo"
output="www/release.txt"
<arg line="${label}"/>
</exec>
Nowhere in build.xml is build_num set, so as expected the output is
"${build_num} <actual date> <actual time>"
Does anyone know how to set a variable (in this case ${build_num}) with
the cvs tag for the current module?
Thanks in advance for any info.
Alison
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