git recipe_module: git new-branch.

recipe_modules/git/example.expected/git-cache-checkout.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
       "--path",
       "[SLAVE_BUILD]/src",
       "--url",
       "https://chromium.googlesource.com/chromium/src.git"
@@ skipping 184 matching lines @@
     "cmd": [
       "git",
       "status"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "name": "git status cannot_fail_build"
   },
   {
     "cmd": [
       "git",
+      "new-branch",
+      "refactor"
+    ],
+    "cwd": "[SLAVE_BUILD]/src",
+    "env": {
+      "PATH": "RECIPE_PACKAGE_REPO[depot_tools]:%(PATH)s"
+    },
+    "name": "git new-branch refactor"
+  },
+  {
+    "cmd": [
+      "git",
+      "new-branch",
+      "feature",
+      "--upstream",
+      "refactor"
+    ],
+    "cwd": "[SLAVE_BUILD]/src",
+    "env": {
+      "PATH": "RECIPE_PACKAGE_REPO[depot_tools]:%(PATH)s"
+    },
+    "name": "git new-branch feature"
+  },
+  {
+    "cmd": [
+      "git",
       "rebase",
       "origin/master"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "name": "my repo rebase"
   },
   {
     "cmd": [
       "git",
       "bundle",
       "create",
       "[SLAVE_BUILD]/all.bundle",
       "--all"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "name": "git bundle"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]