Convenience method "sdk flush"

- flush -> flush archives and flush temp
- adds "bin/" to .gitignore

.gitignore

@@ -18,3 +18,4 @@ mongo.json
 out/
 sdkman-cli.iml
 target/
+bin/

src/main/bash/sdkman-flush.sh

@@ -21,13 +21,7 @@ function __sdk_flush {
 
 	case "$qualifier" in
 		broadcast)
-			if [[ -f "${SDKMAN_DIR}/var/broadcast_id" ]]; then
-				rm "${SDKMAN_DIR}/var/broadcast_id"
-				rm "${SDKMAN_DIR}/var/broadcast"
-				__sdkman_echo_green "Broadcast has been flushed."
-			else
-				__sdkman_echo_no_colour "No prior broadcast found so not flushed."
-			fi
+			__sdkman_cleanup_broadcast
 			;;
 		version)
 			if [[ -f "${SDKMAN_DIR}/var/version" ]]; then
@@ -45,7 +39,8 @@ function __sdk_flush {
 			__sdkman_cleanup_folder "tmp"
 			;;
 		*)
-			__sdkman_echo_red "Stop! Please specify what you want to flush."
+			__sdkman_cleanup_folder "archives"
+			__sdkman_cleanup_folder "tmp"
 			;;
 	esac
 }
@@ -60,4 +55,14 @@ function __sdkman_cleanup_folder {
 	mkdir "${SDKMAN_DIR}/${folder}"
 
 	__sdkman_echo_green "${sdkman_cleanup_count} archive(s) flushed, freeing ${sdkman_cleanup_disk_usage}."
+}
+
+function __sdkman_cleanup_broadcast {
+  if [[ -f "${SDKMAN_DIR}/var/broadcast_id" ]]; then
+    rm "${SDKMAN_DIR}/var/broadcast_id"
+    rm "${SDKMAN_DIR}/var/broadcast"
+    __sdkman_echo_green "Broadcast has been flushed."
+  else
+    __sdkman_echo_no_colour "No prior broadcast found so not flushed."
+  fi
 }

src/main/bash/sdkman-help.sh

@@ -35,7 +35,7 @@ function __sdk_help {
 	__sdkman_echo_no_colour "       offline           [enable|disable]"
 	__sdkman_echo_no_colour "       selfupdate        [force]"
 	__sdkman_echo_no_colour "       update"
-	__sdkman_echo_no_colour "       flush             <broadcast|archives|temp>"
+	__sdkman_echo_no_colour "       flush             [archives|temp|broadcast|version]"
 	__sdkman_echo_no_colour ""
 	__sdkman_echo_no_colour "   candidate  :  the SDK to install: groovy, scala, grails, gradle, kotlin, etc."
 	__sdkman_echo_no_colour "                 use list command for comprehensive list of candidates"

src/test/cucumber/flush.feature

@@ -4,10 +4,15 @@ Feature: Flush
     Given the internet is reachable
     And an initialised environment
     And the system is bootstrapped
-
-  Scenario: Flush omitting the Qualifier
+    
+  Scenario: Clear out the cached archives and the temporary storage
+    Given the archive "grails-1.3.9.zip" has been cached
+    And the file "res-1.2.0.zip" in temporary storage
     When I enter "sdk flush"
-    Then I see "Stop! Please specify what you want to flush."
+    Then no archives are cached
+    And no "res-1.2.0.zip" file is present in temporary storage
+    And I see "1 archive(s) flushed"
+    And I see "1 archive(s) flushed"
 
   Scenario: Clean up the current Broadcast
     Given a prior Broadcast "This is an old broadcast" with id "12344" was issued
@@ -32,7 +37,7 @@ Feature: Flush
     Then no archives are cached
     And I see "1 archive(s) flushed"
 
-  Scenario: Clear out the temporary space
+  Scenario: Clear out the temporary storage
     Given the file "res-1.2.0.zip" in temporary storage
     When I enter "sdk flush temp"
     Then no "res-1.2.0.zip" file is present in temporary storage