Apply gerrit ref if it is a Gerrit patch

infra/bots/recipes/swarm_perf.expected/recipe_with_gerrit_patch.json

 [
   {
     "cmd": [
       "python",
       "-u",
+      "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
+      "[SLAVE_BUILD]/tmp",
+      "511"
+    ],
+    "name": "makedirs tmp_dir",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import sys, os@@@",
+      "@@@STEP_LOG_LINE@python.inline@path = sys.argv[1]@@@",
+      "@@@STEP_LOG_LINE@python.inline@mode = int(sys.argv[2])@@@",
+      "@@@STEP_LOG_LINE@python.inline@if not os.path.isdir(path):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  if os.path.exists(path):@@@",
+      "@@@STEP_LOG_LINE@python.inline@    print \"%s exists but is not a dir\" % path@@@",
+      "@@@STEP_LOG_LINE@python.inline@    sys.exit(1)@@@",
+      "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/skia/infra/bots/assets/skp/VERSION",
       "/path/to/tmp/"
     ],
     "name": "Get downloaded SKP VERSION"
   },
   {
     "cmd": [
       "python",
       "-u",
@@ skipping 41 matching lines @@
       "42",
       "[SLAVE_BUILD]/tmp/SVG_VERSION"
     ],
     "name": "write SVG_VERSION"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
-      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind/data"
+      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind-Trybot/data"
     ],
     "env": {
       "PYTHONPATH": "[SLAVE_BUILD]/skia/infra/bots/.recipe_deps/build/scripts"
     },
     "name": "rmtree data",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import os, sys@@@",
       "@@@STEP_LOG_LINE@python.inline@from common import chromium_utils # Error? See https://crbug.com/584783.@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@if os.path.exists(sys.argv[1]):@@@",
       "@@@STEP_LOG_LINE@python.inline@  chromium_utils.RemoveDirectory(sys.argv[1])@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
-      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind/data",
+      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind-Trybot/data",
       "511"
     ],
     "name": "makedirs data",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys, os@@@",
       "@@@STEP_LOG_LINE@python.inline@path = sys.argv[1]@@@",
       "@@@STEP_LOG_LINE@python.inline@mode = int(sys.argv[2])@@@",
       "@@@STEP_LOG_LINE@python.inline@if not os.path.isdir(path):@@@",
       "@@@STEP_LOG_LINE@python.inline@  if os.path.exists(path):@@@",
@@ skipping 63 matching lines @@
       "~inc1.ico",
       "~inc0.png",
       "~inc1.png",
       "~inc2.png",
       "~inc12.png",
       "~inc13.png",
       "~inc14.png",
       "~inc0.webp",
       "~inc1.webp",
       "--outResultsFile",
-      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind/data/nanobench_abc123.json",
+      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind-Trybot/data/nanobench_abc123.json",
       "--properties",
       "gitHash",
       "abc123",
       "build_number",
       "5",
+      "patch_storage",
+      "gerrit",
+      "repository",
+      "skia",
+      "event.patchSet.ref",
+      "refs/changes/00/2100/2",
+      "event.change.number",
+      "2100",
       "--key",
       "arch",
       "x86_64",
       "compiler",
       "GCC",
       "cpu_or_gpu",
       "GPU",
       "cpu_or_gpu_value",
       "GTX550Ti",
       "extra_config",
@@ skipping 70 matching lines @@
       "~inc1.ico",
       "~inc0.png",
       "~inc1.png",
       "~inc2.png",
       "~inc12.png",
       "~inc13.png",
       "~inc14.png",
       "~inc0.webp",
       "~inc1.webp",
       "--outResultsFile",
-      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind/data/nanobench_abc123.json",
+      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind-Trybot/data/nanobench_abc123.json",
       "--properties",
       "gitHash",
       "abc123",
       "build_number",
       "5",
+      "patch_storage",
+      "gerrit",
+      "repository",
+      "skia",
+      "event.patchSet.ref",
+      "refs/changes/00/2100/2",
+      "event.change.number",
+      "2100",
       "--key",
       "arch",
       "x86_64",
       "compiler",
       "GCC",
       "cpu_or_gpu",
       "GPU",
       "cpu_or_gpu_value",
       "GTX550Ti",
       "extra_config",
@@ skipping 10 matching lines @@
       "CHROME_HEADLESS": "1",
       "SKIA_OUT": "[SLAVE_BUILD]/out"
     },
     "name": "nanobench --abandonGpuContext"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
-      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind/data",
+      "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind-Trybot/data",
       "511"
     ],
     "name": "makedirs perf_dir",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys, os@@@",
       "@@@STEP_LOG_LINE@python.inline@path = sys.argv[1]@@@",
       "@@@STEP_LOG_LINE@python.inline@mode = int(sys.argv[2])@@@",
       "@@@STEP_LOG_LINE@python.inline@if not os.path.isdir(path):@@@",
       "@@@STEP_LOG_LINE@python.inline@  if os.path.exists(path):@@@",
       "@@@STEP_LOG_LINE@python.inline@    print \"%s exists but is not a dir\" % path@@@",
       "@@@STEP_LOG_LINE@python.inline@    sys.exit(1)@@@",
       "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]