gonaumov

#!/bin/bash
set -x 

declare -r apacheMavenDownloadUrl="http://apache.cbox.biz/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz"
declare -r directoryName="mvn/"

if [[ $apacheMavenDownloadUrl =~ ([^/]+)\-bin\.tar\.gz$ ]]
then
    declare -r resultFileName=$BASH_REMATCH
    declare -r resultDirectoryName=${BASH_REMATCH[1]}

gonaumov

#!/bin/bash
# A little practice with sed from Georgi Naumov

stringToAppend="# we want to add this string\n"
filePath="apache2.conf"

# This will add bellow commend before the first occurence
# of LogFormat
# -r extended regular expression
# -i - in place 

gonaumov

georginaumov@georgi:~/Documents/hello$ sbt
[info] Loading project definition from /home/georginaumov/Documents/hello/project
[info] Set current project to hello (in build file:/home/georginaumov/Documents/hello/)
> baseDirectory
[info] /home/georginaumov/Documents/hello
> 

gonaumov

> inspect baseDirectory
[info] Setting: java.io.File = /home/georginaumov/Documents/hello
[info] Description:
[info] 	The base directory.  Depending on the scope, this is the base directory for the build, project, configuration, or task.
[info] Provided by:
[info] 	{file:/home/georginaumov/Documents/hello/}root/*:baseDirectory
[info] Defined at:
[info] 	(sbt.Defaults) Defaults.scala:177
[info] Dependencies:
[info] 	*:thisProject

gonaumov

printBaseDirectory <<= streams map Tasks.printBaseDirectory(baseDirectory)

gonaumov

def printBaseDirectory(baseDir: sbt.File)(streams: TaskStreams): Unit = {
    streams.log.info("Here I want to print value of baseDirectory")
}

gonaumov

error: type mismatch;
[error] Type error in expression
 found   : sbt.SettingKey[java.io.File]
 required: sbt.File
    (which expands to)  java.io.File

gonaumov

printBaseDirectory <<= streams map Tasks.printBaseDirectory(baseDirectory.value)

gonaumov

import sbt.Keys.TaskStreams
import sbt._

object Tasks {
  def printBaseDirectory(streams: TaskStreams, dir: File): Unit = {
    streams.log.info(dir.getAbsolutePath)
  }
}

gonaumov

lazy val printBaseDirectory: TaskKey[Unit] = TaskKey[Unit]("printBaseDirectory", "Print baseDirectory for the project", KeyRanks.ATask)
printBaseDirectory <<= (streams, baseDirectory) map Tasks.printBaseDirectory