Add unified diff view to version control tab

red/api/editor/projects/index.js

@@ -188,6 +188,21 @@ module.exports = {
             })
         });
 
+        app.get(/([^\/]+)\/diff\/([^\/]+)\/(.+)$/, function(req,res) {
+            var projectName = req.params[0];
+            var type = req.params[1];
+            var file = req.params[2];
+            runtime.storage.projects.getFileDiff(projectName,file,type).then(function(data) {
+                res.json({
+                    diff: data
+                })
+            })
+            .catch(function(err) {
+                console.log(err.stack);
+                res.status(400).json({error:"unexpected_error", message:err.toString()});
+            })
+        });
+
         app.get(new RegExp("/([^\/]+)\/files\/(.*)"), function(req,res) {
             // Get project file
         });

red/runtime/storage/localfilesystem/projects/git/index.js

@@ -209,5 +209,15 @@ module.exports = {
     commit: function(cwd, message) {
         var args = ["commit","-m",message];
         return runCommand(gitCommand,args,cwd);
+    },
+    getFileDiff(cwd,file,type) {
+        var args = ["diff"];
+        if (type === "tree") {
+            // nothing else to do
+        } else if (type === "index") {
+            args.push("--cached");
+        }
+        args.push(file);
+        return runCommand(gitCommand,args,cwd);
     }
 }

red/runtime/storage/localfilesystem/projects/index.js

@@ -351,6 +351,10 @@ function commit(project,options) {
     var projectPath = fspath.join(projectsDir,project);
     return gitTools.commit(projectPath,options.message);
 }
+function getFileDiff(project,file,type) {
+    var projectPath = fspath.join(projectsDir,project);
+    return gitTools.getFileDiff(projectPath,file,type);
+}
 function getFile(project,path) {
 
 }
@@ -507,6 +511,7 @@ module.exports = {
     stageFile: stageFile,
     unstageFile: unstageFile,
     commit: commit,
+    getFileDiff: getFileDiff,
 
     getFlows: getFlows,
     saveFlows: saveFlows,