improve status parsing

src/status.coffee

@@ -4,27 +4,10 @@
 # callback - Receives `(err, status)`
 # 
 module.exports = S = (repo, callback) ->
-  repo.git "status", (err, stdout, stderr) ->
+  repo.git "status --porcelain", (err, stdout, stderr) ->
     status = new Status repo
     status.parse stdout
-    return callback err, status
-
-
-BEGIN_STAGED    = [
-  "# Changes to be committed:"
-]
-BEGIN_UNSTAGED  = [
-  "# Changed but not updated:"
-  "# Changes not staged for commit:"
-]
-BEGIN_UNTRACKED = [
-  "# Untracked files:"
-]
-FILE            = /^#\s+([^\s]+)[:]\s+(.+)$/
-TYPES =
-  added:    "A"
-  modified: "M"
-  deleted:  "D"
+    callback err, status
 
 S.Status = class Status
   constructor: (@repo) ->
@@ -32,26 +15,10 @@ S.Status = class Status
   # Internal: Parse the status from stdout of a `git status` command.
   parse: (text) ->
     @files = {}
-    @clean = true
-    state  = null
+    @clean = text.length == 0
     for line in text.split("\n")
-      if ~BEGIN_STAGED.indexOf(line)
-        state = "staged"
-        @clean = false
-      else if ~BEGIN_UNSTAGED.indexOf(line)
-        state = "unstaged"
-        @clean = false
-      else if ~BEGIN_UNTRACKED.indexOf(line)
-        state = "untracked"
-        @clean = false
-      else if state && match = FILE.exec(line)
-        file = match[2]
-        data = switch state
-          when "staged"    then {staged: true,  tracked: true}
-          when "unstaged"  then {staged: false, tracked: true}
-        data.type    = TYPES[match[1]]
-        @files[file] = data
-      else if state == "untracked" && (match = /^#\s+([^\s]+)$/.exec(line))
-        file = match[1]
-        @files[file] = {tracked: false}
-    return
+      if line.length == 0 
+        continue
+      file = line.substr 3
+      type = line.substr 0,2
+      @files[file] = { type: type.trim(), staged: (line[0] != " " and line[0] != "?" ) , tracked: line[0] != "?"  }