WIP: add totally reproducible git cl upload hooks.

scripts/slave/recipes/infra/git_cl.expected/sane.json

+[
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
+      "--master",
+      "chromium.infra",
+      "--builder",
+      "depot_tools Gerrit Git Cl",
+      "--slave",
+      "TestSlavename",
+      "--spec",
+      "cache_dir = '[ROOT]/git_cache'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'depot_tools', 'url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git'}]",
+      "--root",
+      "depot_tools",
+      "--revision_mapping_file",
+      "{\"depot_tools\": \"got_revision\"}",
+      "--git-cache-dir",
+      "[GIT_CACHE]",
+      "--output_json",
+      "/path/to/tmp/json",
+      "--revision",
+      "depot_tools@deadbeaf",
+      "--force",
+      "--output_manifest"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
+    "name": "bot_update",
+    "~followup_annotations": [
+      "@@@STEP_TEXT@Some step text@@@",
+      "@@@STEP_LOG_LINE@json.output@{@@@",
+      "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"fixed_revisions\": {@@@",
+      "@@@STEP_LOG_LINE@json.output@    \"depot_tools\": \"deadbeaf\"@@@",
+      "@@@STEP_LOG_LINE@json.output@  }, @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"manifest\": {@@@",
+      "@@@STEP_LOG_LINE@json.output@    \"depot_tools\": {@@@",
+      "@@@STEP_LOG_LINE@json.output@      \"repository\": \"https://fake.org/depot_tools.git\", @@@",
+      "@@@STEP_LOG_LINE@json.output@      \"revision\": \"59bbfb4465019d8ed83bfe88fef566922953452a\"@@@",
+      "@@@STEP_LOG_LINE@json.output@    }@@@",
+      "@@@STEP_LOG_LINE@json.output@  }, @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"depot_tools\", @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
+      "@@@STEP_LOG_LINE@json.output@    \"got_revision\": \"59bbfb4465019d8ed83bfe88fef566922953452a\", @@@",
+      "@@@STEP_LOG_LINE@json.output@    \"got_revision_cp\": \"refs/heads/master@{#91780}\"@@@",
+      "@@@STEP_LOG_LINE@json.output@  }, @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"root\": \"depot_tools\", @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
+      "@@@STEP_LOG_LINE@json.output@}@@@",
+      "@@@STEP_LOG_END@json.output@@@",
+      "@@@SET_BUILD_PROPERTY@got_revision@\"59bbfb4465019d8ed83bfe88fef566922953452a\"@@@",
+      "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#91780}\"@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport shutil, sys, os\nshutil.rmtree(sys.argv[1], ignore_errors=True)\n",
+      "[SLAVE_BUILD]/test_repo"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "remove repo workaround for http://crbug.com/589201",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import shutil, sys, os@@@",
+      "@@@STEP_LOG_LINE@python.inline@shutil.rmtree(sys.argv[1], ignore_errors=True)@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
+      "--path",
+      "[SLAVE_BUILD]/test_repo",
+      "--url",
+      "https://chromium.googlesource.com/playground/gerrit-cq/normal"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "git setup"
+  },
+  {
+    "cmd": [
+      "git",
+      "retry",
+      "fetch",
+      "origin",
+      "master"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "name": "git fetch"
+  },
+  {
+    "cmd": [
+      "git",
+      "checkout",
+      "-f",
+      "FETCH_HEAD"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "name": "git checkout"
+  },
+  {
+    "cmd": [
+      "git",
+      "rev-parse",
+      "HEAD"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "name": "read revision",
+    "stdout": "/path/to/tmp/",
+    "~followup_annotations": [
+      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "git",
+      "clean",
+      "-f",
+      "-d",
+      "-x"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "name": "git clean"
+  },
+  {
+    "cmd": [
+      "git",
+      "submodule",
+      "sync"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "name": "submodule sync"
+  },
+  {
+    "cmd": [
+      "git",
+      "submodule",
+      "update",
+      "--init",
+      "--recursive"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "name": "submodule update"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport os, sys\n# TODO(tandrii): Windows :(\nnetrc = os.path.expanduser('~/.netrc')\nif os.path.exists(netrc):\n  with open(netrc, 'r') as f:\n    for l in f:\n      l = l.strip()\n      if l.startswith('#') or 'chromium.googlesource.com' not in l:\n        continue\n      login = l.split()[3]\n      assert login.startswith('git-')\n      # example: git-tandrii.chromium.org\n      user, domain = login[len('git-'):].split('.', 1)\n      print '%s@%s' % (user, domain)\n      sys.exit(0)\nprint 'NOT FOUND'\n"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "check netrc for chromium.googlesource.com",
+    "stdout": "/path/to/tmp/out",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import os, sys@@@",
+      "@@@STEP_LOG_LINE@python.inline@# TODO(tandrii): Windows :(@@@",
+      "@@@STEP_LOG_LINE@python.inline@netrc = os.path.expanduser('~/.netrc')@@@",
+      "@@@STEP_LOG_LINE@python.inline@if os.path.exists(netrc):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  with open(netrc, 'r') as f:@@@",
+      "@@@STEP_LOG_LINE@python.inline@    for l in f:@@@",
+      "@@@STEP_LOG_LINE@python.inline@      l = l.strip()@@@",
+      "@@@STEP_LOG_LINE@python.inline@      if l.startswith('#') or 'chromium.googlesource.com' not in l:@@@",
+      "@@@STEP_LOG_LINE@python.inline@        continue@@@",
+      "@@@STEP_LOG_LINE@python.inline@      login = l.split()[3]@@@",
+      "@@@STEP_LOG_LINE@python.inline@      assert login.startswith('git-')@@@",
+      "@@@STEP_LOG_LINE@python.inline@      # example: git-tandrii.chromium.org@@@",
+      "@@@STEP_LOG_LINE@python.inline@      user, domain = login[len('git-'):].split('.', 1)@@@",
+      "@@@STEP_LOG_LINE@python.inline@      print '%s@%s' % (user, domain)@@@",
+      "@@@STEP_LOG_LINE@python.inline@      sys.exit(0)@@@",
+      "@@@STEP_LOG_LINE@python.inline@print 'NOT FOUND'@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "git",
+      "config",
+      "--local",
+      "user.email",
+      "user@chromium.org"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "git config"
+  },
+  {
+    "cmd": [
+      "git",
+      "config",
+      "--local",
+      "user.name",
+      "user"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "git config (2)"
+  },
+  {
+    "cmd": [
+      "git",
+      "cl",
+      "--version",
+      "-v",
+      "-v"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "version"
+  },
+  {
+    "cmd": [
+      "git",
+      "branch",
+      "-D",
+      "feature",
+      "refs/heads/git_cl_uploads/feature"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "delete old feature branch"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport os\nimport sys\nos.remove(sys.argv[1])\n",
+      "[SLAVE_BUILD]/test_repo/.git/hooks/commit-msg"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "remove hooks",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import os@@@",
+      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
+      "@@@STEP_LOG_LINE@python.inline@os.remove(sys.argv[1])@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "git",
+      "new-branch",
+      "feature"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "git new-branch"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "chromium.infra-depot_tools Gerrit Git Cl-571",
+      "[SLAVE_BUILD]/test_repo/patchset.data"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "hack hack"
+  },
+  {
+    "cmd": [
+      "git",
+      "add",
+      "patchset.data"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "git add"
+  },
+  {
+    "cmd": [
+      "git",
+      "commit",
+      "-m",
+      "Normal message."
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "git commit"
+  },
+  {
+    "cmd": [
+      "git",
+      "cl",
+      "upload",
+      "--squash",
+      "-f",
+      "-v",
+      "-v"
+    ],
+    "cwd": "[SLAVE_BUILD]/test_repo",
+    "env": {
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s"
+    },
+    "name": "git cl upload"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport json, os, sys\nif os.path.exists(sys.argv[1]) and os.path.isdir(sys.argv[1]):\n  with open(sys.argv[2], 'w') as f:\n    json.dump(os.listdir(sys.argv[1]), f)\n",
+      "[SLAVE_BUILD]/test_repo/.git/hooks",
+      "/path/to/tmp/json"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "listdir check hooks",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@json.output@[@@@",
+      "@@@STEP_LOG_LINE@json.output@  \"file 1\", @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"file 2\"@@@",
+      "@@@STEP_LOG_LINE@json.output@]@@@",
+      "@@@STEP_LOG_END@json.output@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import json, os, sys@@@",
+      "@@@STEP_LOG_LINE@python.inline@if os.path.exists(sys.argv[1]) and os.path.isdir(sys.argv[1]):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  with open(sys.argv[2], 'w') as f:@@@",
+      "@@@STEP_LOG_LINE@python.inline@    json.dump(os.listdir(sys.argv[1]), f)@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "First stage is over. SUCCESS!"
+  },
+  {
+    "name": "$result",
+    "recipe_result": null,
+    "status_code": 0
+  }
+]