Bootstrap a Scala project

init-scala.sh

#!/bin/bash

re_prj='^[^\\/?%*:|"<>\.]+$'
re_pkg='^[^\\/?%*:|"<>]+$'
read -p "Project name? " PROJECT_NAME
if ! [[ $PROJECT_NAME =~ $re_prj ]] ; then
  echo "Invalid project name $PROJECT_NAME. Try again without special chars."
  exit 0
fi
read -p "Default package name? " PACKAGE_NAME
if ! [[ $PACKAGE_NAME =~ $re_pkg ]] ; then
  echo "Invalid package name $PACKAGE_NAME. Try again without special chars."
  exit 0
fi

PACKAGE_PATH=$(sed -r 's/\.+/\//g' <<< $PACKAGE_NAME)

INIT_SCALA="https://gist.github.com/broilogabriel/6d24932b8e3f77fed91698f8b7b1286b"
SCALA_VERSION="2.11.8"
SCALATEST_VERSION="3.0.0"
LOGBACK_VERSION="1.1.7"
SCALA_LOGGING_VERSION="3.5.0"
MOCKITO_VERSION="1.10.19"
DATE=`date +%d-%m-%Y`

mkdir $PROJECT_NAME
cd $PROJECT_NAME

cat > build.sbt << EOF
name := "$PROJECT_NAME"

version := "1.0.0"

scalaVersion := "$SCALA_VERSION"

libraryDependencies += "org.scalatest" %% "scalatest" % "$SCALATEST_VERSION" % "test"

libraryDependencies += "com.typesafe.scala-logging" %% "scala-logging" % "$SCALA_LOGGING_VERSION"

libraryDependencies += "ch.qos.logback" % "logback-classic" % "$LOGBACK_VERSION"

libraryDependencies += "org.mockito" % "mockito-core" % "$MOCKITO_VERSION" % "test"
EOF

SRC="src/main/scala/$PACKAGE_PATH"
mkdir -p $SRC
cat > "$SRC/Main.scala" << EOF
package $PACKAGE_NAME

import com.typesafe.scalalogging.LazyLogging

/**
  * Created by init-scala.sh ($INIT_SCALA) on $DATE.
  */
object Main extends App with LazyLogging {

  val text = "Project created with init-scala ($INIT_SCALA)"
  val signal = minuses(text)
  logger.info(signal)
  logger.info(text)
  logger.info(signal)

  def minuses(text: String): String = "-" * (if (text == null || text.isEmpty) 1 else text.length)

}

EOF
mkdir -p "src/main/resources"
TESTS="src/test/scala/$PACKAGE_PATH"
mkdir -p $TESTS
cat > "$TESTS/MainTest.scala" << EOF
package $PACKAGE_NAME

import org.scalatest.FlatSpec

/**
  * Created by init-scala.sh ($INIT_SCALA) on $DATE.
  */
class MainTest extends FlatSpec {

  "An empty String" should "return '-'" in {
    assert(Main.minuses("") == "-")
  }

  "A null input" should "return '-'" in {
    assert(Main.minuses(null) == "-")
  }

  "A String input" should "return a String with the same size" in {
    val input = "somebiginput"
    assert(Main.minuses(input).length == input.length)
  }

}
EOF
mkdir -p "src/test/resources"

# .gitignore file
touch .gitignore

JETBRAINS_IGNORE="https://raw.githubusercontent.com/github/gitignore/master/Global/JetBrains.gitignore"
JAVA_IGNORE="https://raw.githubusercontent.com/github/gitignore/master/Java.gitignore"
SCALA_IGNORE="https://raw.githubusercontent.com/github/gitignore/master/Scala.gitignore"

echo "# Java $JAVA_IGNORE" >> .gitignore
curl -0 $JAVA_IGNORE >> .gitignore
echo "# Scala $SCALA_IGNORE" >> .gitignore
curl -0 $SCALA_IGNORE >> .gitignore
echo "# JetBrains $JETBRAINS_IGNORE" >> .gitignore
curl -0 $JETBRAINS_IGNORE >> .gitignore

# Create README.md
cat > README.md << EOF
#$PROJECT_NAME

Project template generated with [init-scala.sh]($INIT_SCALA)
EOF

# Initialize git
git init
git add .gitignore
git add build.sbt
git add README.md
git commit -m 'Project created with init-scala.sh - $INIT_SCALA'

# You need to have the idea plugin in the global SBT's plugins/build.sbt
# sbt update gen-idea