Convert "internal" levels to new level format

levels/internals/tree-read

@@ -0,0 +1,51 @@
+[description]
+
+As soon as you have some tree objects, you can always read them and set the index exactly to their content! Unsurprisingly, the command is called
+
+    git read-tree <tree>
+
+For <tree>, you can provide the hash of any tree object - you can right-click one to insert its hash into the terminal!
+
+Try reading some of the trees in this repository into the index!
+
+[setup]
+
+EMPTY_TREE=$(git write-tree)
+
+echo "file 1" > file1
+echo "file 2" > file2
+git add .
+git write-tree
+
+rm *
+echo "file A" > fileA
+echo "file B" > fileB
+echo "file C" > fileC
+git add .
+TRIPLE_TREE=$(git write-tree)
+
+git read-tree "$EMPTY_TREE"
+
+[setup goal]
+
+EMPTY_TREE=$(git write-tree)
+
+echo "file 1" > file1
+echo "file 2" > file2
+git add .
+git write-tree
+
+rm *
+echo "file A" > fileA
+echo "file B" > fileB
+echo "file C" > fileC
+git add .
+TRIPLE_TREE=$(git write-tree)
+
+git read-tree "$EMPTY_TREE"
+
+git read-tree "$TRIPLE_TREE"
+
+[win]
+
+test "$(git ls-files | wc -l)" -gt 0

levels/internals/tree-read/description

@@ -1,7 +0,0 @@
-As soon as you have some tree objects, you can always read them and set the index exactly to their content! Unsurprisingly, the command is called
-
-    git read-tree <tree>
-
-For <tree>, you can provide the hash of any tree object - you can right-click one to insert its hash into the terminal!
-
-Try reading some of the trees in this repository into the index!

levels/internals/tree-read/goal

@@ -1 +0,0 @@
-git read-tree "$TRIPLE_TREE"

levels/internals/tree-read/start

@@ -1,15 +0,0 @@
-EMPTY_TREE=$(git write-tree)
-
-echo "file 1" > file1
-echo "file 2" > file2
-git add .
-git write-tree
-
-rm *
-echo "file A" > fileA
-echo "file B" > fileB
-echo "file C" > fileC
-git add .
-TRIPLE_TREE=$(git write-tree)
-
-git read-tree "$EMPTY_TREE"

levels/internals/tree-read/win

@@ -1 +0,0 @@
-test "$(git ls-files | wc -l)" -gt 0