From 4f453ad4d83885f319a554e62401aacc0b5f0fce Mon Sep 17 00:00:00 2001
From: Peter Cottle <petermcottle@gmail.com>
Date: Tue, 30 Oct 2012 16:51:06 -0700
Subject: [PATCH] big advance on levels, i can now compare trees holistically
 or just specific branches, will be big for level design

---
 src/git.js | 80 ------------------------------------------------------
 1 file changed, 80 deletions(-)

diff --git a/src/git.js b/src/git.js
index d16e2978..47ca17b8 100644
--- a/src/git.js
+++ b/src/git.js
@@ -81,86 +81,6 @@ GitEngine.prototype.exportTree = function() {
   return totalExport;
 };
 
-GitEngine.prototype.compareBranchesWithinTrees = function(treeA, treeB, branches) {
-  var result = true;
-  _.each(branches, function(branchName) {
-    result = result && this.compareBranchWithinTrees(treeA, treeB, branchName);
-  }, this);
-
-  return result;
-};
-
-GitEngine.prototype.compareBranchWithinTrees = function(treeA, treeB, branchName) {
-  treeA = this.convertTreeSafe(treeA);
-  treeB = this.convertTreeSafe(treeB);
-
-  this.stripTreeFields([treeA, treeB]);
-
-  // we need a recursive comparison function to bubble up the  branch
-  var recurseCompare = function(commitA, commitB) {
-    // this is the short-circuit base case
-    var result = _.isEqual(commitA, commitB);
-    if (!result) {
-      return false;
-    }
-
-    // we loop through each parent ID. we sort the parent ID's beforehand
-    // so the index lookup is valid
-    _.each(commitA.parents, function(pAid, index) {
-      var pBid = commitB.parents[index];
-
-      var childA = treeA.commits[pAid];
-      var childB = treeB.commits[pBid];
-
-      result = result && recurseCompare(childA, childB);
-    }, this);
-    // if each of our children recursively are equal, we are good
-    return result;
-  };
-
-  var branchA = treeA.branches[branchName];
-  var branchB = treeB.branches[branchName];
-
-  return _.isEqual(branchA, branchB) &&
-    recurseCompare(treeA.commits[branchA.target], treeB.commits[branchB.target]);
-};
-
-GitEngine.prototype.convertTreeSafe = function(tree) {
-  if (typeof tree == 'string') {
-    return JSON.parse(unescape(tree));
-  }
-  return tree;
-};
-
-GitEngine.prototype.stripTreeFields = function(trees) {
-  var stripFields = ['createTime', 'author', 'commitMessage'];
-  var sortFields = ['children', 'parents'];
-
-  _.each(trees, function(tree) {
-    _.each(tree.commits, function(commit) {
-      _.each(stripFields, function(field) {
-        commit[field] = undefined;
-      });
-      _.each(sortFields, function(field) {
-        if (commit[field]) {
-          commit[field] = commit[field].sort();
-        }
-      });
-    });
-  });
-};
-
-GitEngine.prototype.compareTrees = function(treeA, treeB) {
-  treeA = this.convertTreeSafe(treeA);
-  treeB = this.convertTreeSafe(treeB);
-
-  // now we need to strip out the fields we don't care about, aka things
-  // like createTime, message, author
-  this.stripTreeFields([treeA, treeB]);
-
-  return _.isEqual(treeA, treeB);
-};
-
 GitEngine.prototype.printTree = function() {
   var str = escape(JSON.stringify(this.exportTree()));
   return str;