Groovy and Spock (with Gradle)

gradle-init.sh

#!/usr/bin/env bash

###
# Initialises a Gradle project with Groovy and Spock.
#
# How To Use?
#
# 1. Save the file, e.g. `gradle-init.sh`
# 2. Make it executable: `$ chmod +x gradle-init.sh`
# 3. Initialise the project: `$ ./gradle-init.sh YOUR_PROJECT_NAME`
# 4. Run your project: `$ cd YOUR_PROJECT_NAME && gradle run`
###

pushd () {
    command pushd "$@" > /dev/null
}

popd () {
    command popd "$@" > /dev/null
}

PROJECT_NAME=$1
if [ -z $PROJECT_NAME ]; then
    echo You need to pass the project name as the argument.
    exit
fi
if [ -d $PROJECT_NAME ]; then
    echo The directory already exists.
fi

PACKAGE_NAME=`echo $PROJECT_NAME | \
tr '[:upper:]' '[:lower:]' | \
tr '[:punct:][:blank:]\-' '_' \
`
if [ -z $PACKAGE_NAME ]; then
    echo Invalid project name. Cannot figure out a decent package name.
    exit
fi

mkdir $PROJECT_NAME && pushd $PROJECT_NAME

#########################################################################
echo Setting up Gradle...
sed -e "s/\$PROJECT_NAME/$PROJECT_NAME/" > build.gradle <<EOF
// Author: Bahman Movaqar <Bahman@BahmanM.com>
plugins {
  id 'groovy'
  id 'application'
}

repositories {
  jcenter()
}

dependencies {
  compile 'org.codehaus.groovy:groovy-all:2.5.5:indy'
  compile 'org.slf4j:slf4j-api:1.7.25'
  compile 'ch.qos.logback:logback-classic:1.2.3'
  testCompile 'org.spockframework:spock-core:1.2-groovy-2.5'
}

mainClassName = '$PROJECT_NAME.Main'
EOF

sed -e "s/\$PROJECT_NAME/$PROJECT_NAME/" > settings.gradle <<EOF
rootProject.name = '$PROJECT_NAME'
EOF

#########################################################################
echo Setting up source directories...
DIR="src/main/groovy/$PACKAGE_NAME/"
mkdir -p $DIR && pushd $DIR
sed -e "s/\$PACKAGE_NAME/$PACKAGE_NAME/" > Main.groovy <<EOF
package $PACKAGE_NAME


class Main {

  static void main(String[] args) {
    println('Hello, world')
  }

}
EOF
popd

#########################################################################
echo Setting up test directories...
DIR="src/test/groovy/$PACKAGE_NAME/"
mkdir -p $DIR && pushd $DIR
sed -e "s/\$PACKAGE_NAME/$PACKAGE_NAME/" > MainSpec.groovy <<EOF
package $PACKAGE_NAME


import spock.lang.*

class MainSpec extends Specification {

  def 'Dummy test'() {
    assert true
  }

}
EOF
popd

#########################################################################
echo Setting up git...
if [ -z `which git` ]
then
    echo git does not appear to be installed.
    echo I will not initialise the repository.
else
    git init
fi
cat > .gitignore <<EOF
.gradle
/build/

# Ignore Gradle GUI config
gradle-app.setting

# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar

# Cache of project
.gradletasknamecache

# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
# gradle/wrapper/gradle-wrapper.properties

.projectile
*\#*
*\~*
EOF

#########################################################################
echo Setting up Emacs...
touch .projectile

#########################################################################
echo Done.
echo Happy coding.