--- a/.hgignore
+++ b/.hgignore
@@ -181,8 +181,11 @@ subinclude:servo/.hgignore
 # https://bz.mercurial-scm.org/show_bug.cgi?id=5322
 ^comm/
 
 # Ignore various raptor performance framework files
 ^testing/raptor/.raptor-venv
 ^testing/raptor/raptor-venv
 ^testing/raptor/raptor/tests/.*.json
 ^testing/raptor/webext/raptor/auto_gen_test_config.js
+
+# Ignore the cache history for mach try again.
+^.try_task_configs.json

--- a/tools/tryselect/push.py
+++ b/tools/tryselect/push.py
@@ -3,17 +3,16 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 from __future__ import absolute_import, print_function
 
 import json
 import os
 import sys
 
-from mozboot.util import get_state_dir
 from mozbuild.base import MozbuildObject
 from mozversioncontrol import get_repository_object, MissingVCSExtension
 
 GIT_CINNABAR_NOT_FOUND = """
 Could not detect `git-cinnabar`.
 
 The `mach try` command requires git-cinnabar to be installed when
 pushing from git. For more information and installation instruction,
@@ -39,31 +38,29 @@ UNCOMMITTED_CHANGES = """
 ERROR please commit changes before continuing
 """.strip()
 
 MAX_HISTORY = 10
 
 here = os.path.abspath(os.path.dirname(__file__))
 build = MozbuildObject.from_environment(cwd=here)
 vcs = get_repository_object(build.topsrcdir)
-history_path = os.path.join(get_state_dir()[0], 'history', 'try_task_configs.json')
+history_path = os.path.join(vcs.path, '.try_task_configs.json')
 
 
 def write_task_config(try_task_config):
     config_path = os.path.join(vcs.path, 'try_task_config.json')
     with open(config_path, 'w') as fh:
         json.dump(try_task_config, fh, indent=2, separators=(',', ':'))
         fh.write('\n')
     return config_path
 
 
 def write_task_config_history(msg, try_task_config):
     if not os.path.isfile(history_path):
-        if not os.path.isdir(os.path.dirname(history_path)):
-            os.makedirs(os.path.dirname(history_path))
         history = []
     else:
         with open(history_path, 'r') as fh:
             history = fh.read().strip().splitlines()
 
     history.insert(0, json.dumps([msg, try_task_config]))
     history = history[:MAX_HISTORY]
     with open(history_path, 'w') as fh: