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From Eric Fetzer <elstonk...@yahoo.com>
Subject Re: Reset BuildNumber
Date Mon, 04 May 2009 19:03:58 GMT
I had to go a little deeper, David.  I wanted to be able to rebuild the same build number
and also, have a 5th build element when built by continuous integration.  Something that
bugs me about Ant properties (I've been writing with NAnt for the past 6 years) is that you
can't simply set a new value for a Ant property, but rather have to unset first.  Anyway,
here's what I ended up with:

<project default="setBuildNumber">
  <taskdef resource="net/sf/antcontrib/antlib.xml"/>
  <taskdef name="unset" classname="ise.antelope.tasks.Unset"/>
    <target name="setBuildNumber">
      <property file="build.number"/>
      <var name="next.major" value="${major.number}"/>
      <var name="next.minor" value="${minor.number}"/>
      <var name="next.hotfix" value="${hotfix.number}"/>
      <var name="next.revision" value="${revision.number}"/>
      <var name="next.continuous" value="${continuous.number}"/>
      <if>
        <equals arg1="${rebuild}" arg2="true"/>
        <then/>
        <else>
          <if>
            <equals arg1="${majorIncrement}" arg2="true"/>
            <then>
              <!--Increment major, minor to 1, hotfix to 0, revision to 1-->
              <math result="next.major" operand1="${next.major}" operation="+"
operand2="1" datatype="int"/>
              <var name="next.minor" value="1" />
              <var name="next.hotfix" value="0" />
              <var name="next.revision" value="1" />
             </then>
            <elseif>
              <equals arg1="${minorIncrement}" arg2="true"/>
              <then>
                <!--Major stays the same, minor increments, hotfix goes
to 0, revision to 1-->
                <math result="next.minor" operand1="${next.minor}" operation="+"
operand2="1" datatype="int"/>
                <var name="next.hotfix" value="0" />
                <var name="next.revision" value="1" />
              </then>
            </elseif>
            <elseif>
              <equals arg1="${hotfixIncrement}" arg2="true"/>
              <then>
                <!--Major stays the same, minor stays the same, hotfix increments,
revision goes to 1-->
                <math result="next.hotfix" operand1="${next.hotfix}" operation="+"
operand2="1" datatype="int"/>
                <var name="next.revision" value="1" />
              </then>
            </elseif>
            <elseif>
              <equals arg1="${continuous}" arg2="true"/>
              <then>
                <!--For continuous integration don't change anything but
5th build digit-->
                <if>
                  <equals arg1="${cont.reset}" arg2="true"/>
                  <then>
                    <!--And reset it if they request you to do so-->
                    <var name="next.continuous" value="1"/>
                  </then>
                  <else>
                    <!--Otherwise increment it-->
                    <math result="next.continuous" operand1="${next.continuous}"
operation="+" operand2="1" datatype="int"/>
                  </else>
                </if>
              </then>
            </elseif>
            <else>
              <!--Update revision number only, they didn't ask for anything
special-->
              <math result="next.revision" operand1="${next.revision}" operation="+"
operand2="1" datatype="int"/>
            </else>
          </if>
        </else>
      </if>
      <!--Now save the build number properties-->
      <propertyfile file="build.number">
        <entry key="major.number" value="${next.major}"/>
        <entry key="minor.number" value="${next.minor}"/>
        <entry key="hotfix.number" value="${next.hotfix}"/>
        <entry key="revision.number" value="${next.revision}"/>
        <entry key="continuous.number" value="${next.continuous}"/>
      </propertyfile>
      <!--Unset the properties so that we can change their values-->
      <unset name="major.number"/>
      <unset name="minor.number"/>
      <unset name="hotfix.number"/>
      <unset name="revision.number"/>
      <unset name="continuous.number"/>
      <property file="build.number"/>
      <!--set the full.buildnumber property to be used by the build-->
      <if>
        <equals arg1="${continuous}" arg2="true"/>
        <then>
          <property name="full.buildnumber" value="${major.number}.${minor.number}.${hotfix.number}.${revision.number}.${continuous.number}"/>
        </then>
        <else>
          <property name="full.buildnumber" value="${major.number}.${minor.number}.${hotfix.number}.${revision.number}"/>
        </else>
      </if>
      <echo>${full.buildnumber}</echo>
  </target>
</project>

 



________________________________
From: David Weintraub <qazwart@gmail.com>
To: Ant Users List <user@ant.apache.org>
Sent: Monday, May 4, 2009 12:41:13 PM
Subject: Re: Reset BuildNumber

Just playing around a bit and simplified the whole thing:

<project name="test" default="test" basedir=".">
    <target name="test">
    <!-- Note: This would be your default build task -->
    <property file="version.properties"/>
    <propertyfile file="version.properties"
        comment="Versioning file">
        <entry key="major"
        default="1"
        type="int"
        pattern="00"/>
        <entry key="minor"
        default="0"
        type="int"
        pattern="00"/>
        <entry key="build.number"
        value="1"
        default="0"
        type="int"
        operation="+"
        pattern="0000"/>
    </propertyfile>
    <echo message="Now on build number ${major}.${minor}.${build.number}"/>
    </target>

    <target name="major"
    description="Increments Major">
    <propertyfile file="version.properties"
        comment="Versioning file">
        <entry key="major"
        value="1"
        default="0"
        type="int"
        operation="+"
        pattern="00"/>
        <entry key="minor"
        value="0"
        default="0"
        type="int"
        operation="="
        pattern="00"/>
        <entry key="build.number"
        value="1"
        default="1"
        type="int"
        operation="="
        pattern="0000"/>
    </propertyfile>
    </target>

    <target name="minor"
    description="Increments Minor">
    <propertyfile file="version.properties"
        comment="Versioning file">
        <entry key="minor"
        value="1"
        default="0"
        type="int"
        operation="+"
        pattern="00"/>
        <entry key="build.number"
        value="1"
        default="1"
        type="int"
        operation="="
        pattern="0000"/>
    </propertyfile>
    </target>
</project>


-- 
David Weintraub
qazwart@gmail.com

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