diff --git a/bin/try.py b/bin/try.py
index ccf9c2f096..889b58c675 100755
--- a/bin/try.py
+++ b/bin/try.py
@@ -16,6 +16,7 @@ import re
 import subprocess
 import sys
 import tempfile
+import urllib2
 
 
 BUCKET_SKIA_PRIMARY = 'skia/skia.primary'
@@ -75,6 +76,31 @@ def main():
                       help='Job name or regular expression to match job names.')
   args = parser.parse_args()
 
+  # First, find the Gerrit issue number. If the change was uploaded using Depot
+  # Tools, this configuration will be present in the git config.
+  branch = subprocess.check_output(['git', 'branch', '--show-current']).rstrip()
+  if not branch:
+    print 'Not on any branch; cannot trigger try jobs.'
+    sys.exit(1)
+  branch_issue_config = 'branch.%s.gerritissue' % branch
+  try:
+    issue = subprocess.check_output([
+        'git', 'config', '--local', branch_issue_config])
+  except subprocess.CalledProcessError:
+    # Not using Depot Tools. Find the Change-Id line in the most recent commit
+    # and obtain the issue number using that.
+    print '"git cl issue" not set; searching for Change-Id footer.'
+    msg = subprocess.check_output(['git', 'log', '-n1', branch])
+    m = re.search('Change-Id: (I[a-f0-9]+)', msg)
+    if not m:
+      print ('No gerrit issue found in `git config --local %s` and no Change-Id'
+             ' found in most recent commit message.')
+      sys.exit(1)
+    url = 'https://skia-review.googlesource.com/changes/%s' % m.groups()[0]
+    resp = urllib2.urlopen(url).read()
+    issue = str(json.loads('\n'.join(resp.splitlines()[1:]))['_number'])
+    print 'Setting "git cl issue %s"' % issue
+    subprocess.check_call(['git', 'cl', 'issue', issue])
   # Load and filter the list of jobs.
   jobs = []
   tasks_json = os.path.join(find_repo_root(), TASKS_JSON)