--- a/.bash_completion.d/gradle	Wed Mar 01 15:43:10 2017 +0200
+++ b/.bash_completion.d/gradle	Mon Mar 06 10:22:06 2017 +0200
@@ -27,7 +27,49 @@
   declare -a _extra
   local cur prev
   cur=${COMP_WORDS[COMP_CWORD]}
-  [[ $COMP_CWORD != 0 ]] && prev=${COMP_WORDS[COMP_CWORD-1]}
+  [[ $COMP_CWORD -gt 1 ]] && prev=${COMP_WORDS[COMP_CWORD-1]}
+
+  local _tasks_full='help - Displays a help message.
+assemble - Assembles the outputs of this project.
+bootRepackage - Repackage existing JAR and WAR archives so that they can be executed from the command line.
+build - Assembles and tests this project.
+buildDependents - Assembles and tests this project and all projects that depend on it.
+buildNeeded - Assembles and tests this project and all projects it depends on.
+classes - Assembles main classes.
+clean - Deletes the build directory.
+jar - Assembles a jar archive containing the main classes.
+testClasses - Assembles test classes.
+buildEnvironment - Displays all buildscript dependencies.
+components - Displays the components.
+dependencies - Displays all dependencies.
+dependencyInsight - Displays the insight into a specific dependency.
+help - Displays a help message.
+model - Displays the configuration model.
+projects - Displays the sub-projects.
+properties - Displays the properties.
+tasks - Displays the tasks runnable from project.
+cleanIdea - Cleans IDEA project files (IML, IPR)
+idea - Generates IDEA project files (IML, IPR, IWS)
+check - Runs all checks.
+test - Runs the unit tests.
+install - Installs the 'archives' artifacts into the local Maven repository.
+javadoc - Generates Javadoc API documentation for the main source code.
+bootRun - Run the project with support for auto-detecting main class and reloading static resources
+flywayBaseline - Baselines an existing database, excluding all migrations up to and including baselineVersion.
+flywayClean - Drops all objects in the configured schemas.
+flywayInfo - Prints the details and status information about all the migrations.
+flywayMigrate - Migrates the schema to the latest version.
+flywayRepair - Repairs the Flyway metadata table.
+flywayValidate - Validate applied migrations against resolved ones'
+
+  if [[ $COMP_CWORD = 1 ]] && [[ "$cur" != -* ]]; then
+      local IFS=$'\n'
+      COMPREPLY=( $(compgen -W '${_tasks_full}' -- "$cur") )
+      if [[ ${#COMPREPLY[@]} -le 1 ]]; then
+          COMPREPLY=( ${COMPREPLY[0]%% *-*} )
+      fi
+      return
+  fi
 
   # Perform default option completion for command.
   if [[ -z "$curr" ]]; then