Clear button, show arrow target if there's no node, add some goals

arrow.gd

@@ -12,6 +12,10 @@ func _process(_delta):
 	if repository and repository.objects.has(target):
 		var t = repository.objects[target]
 		end = t.global_position
+		$Target.hide()
+	else:
+		$Target.text = target
+		$Target.show()
 	$Line.points[1] = end - global_position
 	$Label.position = ($Line.points[0] + $Line.points[1])/2
 	$Tip.position = ($Line.points[0] + $Line.points[1])/2

arrow.tscn

@@ -38,3 +38,16 @@ align = 1
 __meta__ = {
 "_edit_use_anchors_": false
 }
+
+[node name="Target" type="Label" parent="."]
+margin_left = -229.024
+margin_top = 63.3118
+margin_right = 232.976
+margin_bottom = 89.3118
+custom_fonts/font = ExtResource( 2 )
+custom_colors/font_color = Color( 0.356863, 0.356863, 0.356863, 1 )
+text = "label"
+align = 1
+__meta__ = {
+"_edit_use_anchors_": false
+}

levels/05-ref/goal

@@ -0,0 +1,11 @@
+echo hello > hello
+echo world > world
+BLOB1=$(git hash-object -w hello)
+BLOB2=$(git hash-object -w world)
+git add .
+TREE=$(git write-tree)
+COMMIT=$(git commit-tree $TREE -m "Initial commit")
+git update-ref refs/a $BLOB1
+git update-ref refs/b $BLOB2
+git update-ref refs/c $TREE
+git update-ref refs/d $COMMIT

levels/06-symref/description

@@ -4,6 +4,6 @@ When that happens, they are called "symbolic refs". You can create or update a s
 
     git symbolic-ref <name> <ref>
 
-Usually, you will only encounter a special symbolic ref called "HEAD". This ref is special in that it doesn't start with "refs/"!
+Usually, you will only encounter a special symbolic ref called "HEAD". This ref is special in that it doesn't start with "refs/"! You might already have seen it in the other levels - it's the only thing that's always there!
 
 Try pointing HEAD to the refs in this repository!

levels/06-symref/goal

@@ -0,0 +1,5 @@
+TREE=$(git write-tree)
+COMMIT=$(git commit-tree $TREE -m "Initial commit")
+git update-ref refs/best_commit $COMMIT
+git update-ref refs/worst_commit $COMMIT
+git symbolic-ref HEAD refs/best_commit

main.gd

@@ -6,6 +6,7 @@ var server
 var client_connection
 var current_level = 0
 
+onready var terminal = $Terminal
 onready var input = $Terminal/Control/Input
 onready var output = $Terminal/Control/Output
 onready var goal_repository = $Repositories/GoalRepository
@@ -85,6 +86,8 @@ func load_level(id):
 	var dir = Directory.new()
 	dir.copy(win_script, win_script_target)
 	
+	terminal.clear()
+
 func reload_level():
 	load_level(current_level)
 

repository.gd

@@ -37,7 +37,7 @@ func set_label(new_label):
 	$Label.text = new_label
 	
 func update_index():
-	$Index.text = git("ls-files")
+	$Index.text = git("ls-files -s --abbrev=8").replace("\t", " ")
 
 func random_position():
 	return Vector2(rand_range(0, rect_size.x), rand_range(0, rect_size.y))
@@ -66,7 +66,6 @@ func update_objects():
 						c[p] = ""
 					n.children = c
 				"tag":
-					print("tag")
 					n.children = tag_target(o)
 		
 		n.position = find_position(n)
@@ -112,7 +111,6 @@ func find_position(n):
 			position += objects[child].position
 			count += 1
 	if count > 0:
-		print(count)
 		position /= count
 		n.position = position + Vector2(0, -150)
 	else:
@@ -200,5 +198,8 @@ func ref_target(ref):
 	var ret = git("symbolic-ref -q "+ref+" || true")
 	# If it's not, it's probably a regular ref.
 	if ret == "":
+		if ref == "HEAD":
+			ret = git("show-ref --head "+ref).split(" ")[0]
+		else:
 			ret = git("show-ref "+ref).split(" ")[0]
 	return ret

repository.tscn

@@ -18,7 +18,7 @@ __meta__ = {
 }
 
 [node name="Index" type="Label" parent="."]
-margin_left = 32.0
+margin_left = 24.0
 margin_top = 80.0
 margin_right = 375.079
 margin_bottom = 1044.0
@@ -30,6 +30,7 @@ __meta__ = {
 }
 
 [node name="IndexLabel" type="Label" parent="."]
+visible = false
 margin_left = 21.0
 margin_top = 65.0
 margin_right = 377.0

terminal.gd

@@ -56,6 +56,10 @@ func run_command_in_a_thread(command):
 func receive_output(text):
 	output.text += text
 
+func clear():
+	input.text = ""
+	output.text = ""
+	
 func check_win_condition():
 	if repo.shell.run("bash /tmp/win 2>&1 >/dev/null && echo yes || echo no") == "yes\n":
 		main.show_win_status()

terminal.tscn

@@ -66,6 +66,7 @@ text = "echo $RANDOM | git hash-object -w --stdin"
 align = 0
 
 [node name="Button6" parent="Control" instance=ExtResource( 4 )]
+visible = false
 margin_left = 0.0
 margin_top = 1019.0
 margin_right = 1920.0
@@ -74,11 +75,10 @@ text = "git update-index --add noises; git write-tree"
 align = 0
 
 [node name="Button2" parent="Control" instance=ExtResource( 4 )]
-visible = false
 margin_left = 0.0
-margin_top = 979.0
+margin_top = 1019.0
 margin_right = 1920.0
-margin_bottom = 999.0
+margin_bottom = 1039.0
 text = "git switch -c $RANDOM"
 align = 0
 
@@ -111,4 +111,14 @@ caret_blink = true
 __meta__ = {
 "_edit_use_anchors_": false
 }
+
+[node name="ClearButton" type="Button" parent="."]
+anchor_left = 0.9
+anchor_right = 1.0
+margin_left = -10.0
+margin_top = 10.0
+margin_right = -10.0
+custom_fonts/font = ExtResource( 1 )
+text = "Clear"
 [connection signal="text_entered" from="Control/Input" to="." method="send_command"]
+[connection signal="pressed" from="ClearButton" to="." method="clear"]