Shell script to fix WTP projects (WAR and JAR)

wtpfix.sh

#!/bin/sh

if [ "$1" = "-h" -o "$1" = "--help" -o "$1" = "-?" ]; then
    echo 'Usage: $0 <directory>'
    echo '  Fix the WTP configuration in the specified directory and all subdirs.'
    echo '  Any file named .classpath is patched to remove excluding="**"'
    echo '  (useful for non wtp projects that were generated by m2e).'
    echo '  WTP JAR modules are detected by searching for'
    echo '  .settings/org.eclipse.wst.common.component in a non-war project.'
    echo '  JAR modules are patched to setup .project and .settings correctly'
    exit 0
fi

if [ "$#" != "0" ]; then
  DIR=$1
  shift
else
  DIR=.
fi

echo fixing wtp configuration in $DIR

# Someone tried to make this a WTP module project.  
# Let's make sure they didn't screw it up...
fix_component () {
    DEPLOY_NAME=`awk '/.*<parent>/ {n++} /.*<\/parent>/ {n--} /.*<artifactId>/ {if (n<1&&m<1) {print; m++;}}' $1pom.xml | sed -e 's/.*<artifactId>//' -e 's,</artifactId>.*,,'`
    cat > $1.settings/org.eclipse.wst.common.component <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<project-modules id="moduleCoreId" project-version="1.5.0">
    <wb-module deploy-name="$DEPLOY_NAME">
        <wb-resource deploy-path="/" source-path="/src/main/java"/>
        <wb-resource deploy-path="/" source-path="/src/main/resources"/>
    </wb-module>
</project-modules>
EOF
}

# Make sure ModuleCoreNature is in the .project, otherwise it won't be
# included in the classpath of any webapp that depends on it
fix_project () {
    project=$1
    if ! grep -q ModuleCoreNature $project; then
        awk '{if (/<natures/) {print; print "                <nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>"} else {print}}' $project > foo && mv foo $project
    fi
}

# Remove those annoying excludes that stop integration tests working
# (this won't suit everyone, but I never use mvn resource filtering
# so the default Eclipse behaviour is fine).
fix_classpath () {
    sed -i -e 's/excluding="\*\*" //g' $1
}

for f in `find $DIR -name pom.xml`; do
    current=${f%pom.xml}
    echo processing: $current
    if [ -e $current.classpath ]; then
        echo '    fixing classpath'
        fix_classpath $current.classpath
    fi
    if ! grep -q \<packaging\>war $f; then
        # not a war
        if [ -e $current.settings/org.eclipse.wst.common.component ]; then
            echo '    fixing wtp'
            fix_component $current
            fix_project $current.project
        fi
    fi
done