diff --git a/bots/zulip_git_config.py b/bots/zulip_git_config.py
index 6ade66d..6727ea2 100644
--- a/bots/zulip_git_config.py
+++ b/bots/zulip_git_config.py
@@ -30,5 +30,13 @@ def commit_notice_destination(repo, branch, commit):
     # Return None for cases where you don't want a notice sent
     return None
 
+# Modify this function to change how commits are displayed; the most
+# common customization is to include a link to the commit in your
+# graphical repository viewer, e.g.
+#
+# return '!gravatar(%s) [%s](https://example.com/commits/%s)\n' % (author, subject, commit_id)
+def format_commit_message(author, subject, commit_id):
+    return '!gravatar(%s) [%s](https://git.zulip.net/eng/zulip/commit/%s)\n' % (author, subject, commit_id)
+
 ZULIP_API_PATH = "/home/zulip/zulip/api"
 ZULIP_SITE = "https://staging.zulip.com"
diff --git a/integrations/git/post-receive b/integrations/git/post-receive
index 0424d0f..e58b116 100755
--- a/integrations/git/post-receive
+++ b/integrations/git/post-receive
@@ -70,11 +70,14 @@ def git_repository_name():
 
 def git_commit_range(oldrev, newrev):
     log_cmd = ["git", "log", "--reverse",
-               "--pretty=%aE %s", "%s..%s" % (oldrev, newrev)]
+               "--pretty=%aE %H %s", "%s..%s" % (oldrev, newrev)]
     commits = ''
     for ln in subprocess.check_output(log_cmd).splitlines():
-        email, subject = ln.split(None, 1)
-        commits += '!gravatar(%s) %s\n' % (email, subject)
+        author_email, commit_id, subject  = ln.split(None, 2)
+        if hasattr(config, "format_commit_message"):
+            commits += config.format_commit_message(author_email, subject, commit_id)
+        else:
+            commits += '!gravatar(%s) %s\n' % (author_email, subject)
     return commits
 
 def send_bot_message(oldrev, newrev, refname):
diff --git a/integrations/git/zulip_git_config.py b/integrations/git/zulip_git_config.py
index 0093b3a..e2f8d88 100644
--- a/integrations/git/zulip_git_config.py
+++ b/integrations/git/zulip_git_config.py
@@ -49,6 +49,14 @@ def commit_notice_destination(repo, branch, commit):
     # Return None for cases where you don't want a notice sent
     return None
 
+# Modify this function to change how commits are displayed; the most
+# common customization is to include a link to the commit in your
+# graphical repository viewer, e.g.
+#
+# return '!gravatar(%s) [%s](https://example.com/commits/%s)\n' % (author, subject, commit_id)
+def format_commit_message(author, subject, commit_id):
+    return '!gravatar(%s) %s\n' % (author, subject)
+
 ## If properly installed, the Zulip API should be in your import
 ## path, but if not, set a custom path below
 ZULIP_API_PATH = None