diff --git a/doc/source/exceptions.rst b/doc/source/exceptions.rst
index 75d3bcd0..f23ef1d2 100644
--- a/doc/source/exceptions.rst
+++ b/doc/source/exceptions.rst
@@ -56,3 +56,8 @@ Git Exceptions
    :members:
    :show-inheritance:
    :undoc-members:
+
+.. autoexception:: pegleg.engine.exceptions.GitInvalidRepoException
+   :members:
+   :show-inheritance:
+   :undoc-members:
diff --git a/pegleg/engine/exceptions.py b/pegleg/engine/exceptions.py
index 808aa4e2..ae5adaf2 100644
--- a/pegleg/engine/exceptions.py
+++ b/pegleg/engine/exceptions.py
@@ -81,4 +81,9 @@ class GitSSHException(BaseGitException):
 
 class GitConfigException(BaseGitException):
     """Exception that occurs when reading Git repo config fails."""
-    message = ("Failed to read Git config file for repo_url=%(repo_url)s")
+    message = ("Failed to read Git config file for repo path: %(repo_path)s")
+
+
+class GitInvalidRepoException(BaseGitException):
+    """Exception raised when an invalid repository is detected."""
+    message = ("The repository path or URL is invalid: %(repo_path)s")
diff --git a/pegleg/engine/util/git.py b/pegleg/engine/util/git.py
index f6b0d26b..d2e1feb1 100644
--- a/pegleg/engine/util/git.py
+++ b/pegleg/engine/util/git.py
@@ -17,7 +17,6 @@ import os
 import tempfile
 from urllib.parse import urlparse
 
-import click
 from git import exc as git_exc
 from git import Git
 from git import Repo
@@ -61,7 +60,6 @@ def git_handler(repo_url,
         path to ``repo_url``.
     :raises ValueError: If ``repo_url`` isn't a valid URL or doesn't begin
         with a valid protocol (http, https or ssh) for cloning.
-    :raises NotADirectoryError: If ``repo_url`` isn't a valid directory path.
 
     """
 
@@ -91,13 +89,9 @@ def git_handler(repo_url,
     else:
         LOG.debug('Treating repo_url=%s as an already-cloned repository. '
                   'Attempting to checkout ref=%s', repo_url, ref)
-        try:
-            # get absolute path of what is probably a directory
-            repo_url, _ = normalize_repo_path(repo_url)
-        except Exception:
-            msg = "The repo_url=%s is not a valid Git repo" % repo_url
-            LOG.error(msg)
-            raise NotADirectoryError(msg)
+
+        # Normalize the repo path.
+        repo_url, _ = normalize_repo_path(repo_url)
 
         repo = Repo(repo_url, search_parent_directories=True)
         if repo.is_dirty(untracked_files=True):
@@ -434,7 +428,8 @@ def normalize_repo_path(repo_url_or_path):
     :param repo_url_or_path: URL of remote Git repo or path to local Git repo.
     :returns: Tuple of root Git path or URL, additional subpath included (e.g.
         "deployment_files")
-    :rtype: tuple
+    :rtype: tuple[str, str]
+    :raises GitInvalidRepoException: If the repo is invalid.
 
     """
 
@@ -459,8 +454,8 @@ def normalize_repo_path(repo_url_or_path):
             repo_url_or_path = os.path.abspath(repo_url_or_path)
 
     if not repo_url_or_path or not is_repository(repo_url_or_path):
-        raise click.ClickException(
-            "Specified site repo path=%s exists but is not a valid Git "
-            "repository" % orig_repo_path)
+        msg = "The repo_path=%s is not a valid Git repo" % (orig_repo_path)
+        LOG.error(msg)
+        raise exceptions.GitInvalidRepoException(repo_path=repo_url_or_path)
 
     return repo_url_or_path, sub_path
diff --git a/tests/unit/engine/test_site_repository.py b/tests/unit/engine/test_site_repository.py
index 7fb48ece..605f3a89 100644
--- a/tests/unit/engine/test_site_repository.py
+++ b/tests/unit/engine/test_site_repository.py
@@ -21,6 +21,7 @@ import click
 import pytest
 
 from pegleg import config
+from pegleg.engine import exceptions
 from pegleg.engine import repository
 from pegleg.engine import util
 
@@ -238,10 +239,10 @@ def test_process_repositories_with_local_site_path_exists_not_repo(*_):
     """Validate that when the site repo already exists but isn't a repository
     that an error is raised.
     """
-    with pytest.raises(click.ClickException) as exc:
+    with pytest.raises(exceptions.GitInvalidRepoException) as exc:
         _test_process_repositories_inner(
             expected_extra_repos=TEST_REPOSITORIES)
-    assert "is not a valid Git repository" in str(exc.value)
+    assert "The repository path or URL is invalid" in str(exc.value)
 
 
 def test_process_repositories_with_repo_username():
diff --git a/tests/unit/engine/util/test_git.py b/tests/unit/engine/util/test_git.py
index e732814f..e718fafe 100644
--- a/tests/unit/engine/util/test_git.py
+++ b/tests/unit/engine/util/test_git.py
@@ -400,9 +400,11 @@ def test_git_clone_invalid_url_type_raises_value_error():
 @pytest.mark.skipif(
     not test_utils.is_connected(),
     reason='git clone requires network connectivity.')
-def test_git_clone_invalid_local_repo_url_raises_notadirectory_error():
-    url = False
-    with pytest.raises(NotADirectoryError):
+@mock.patch.object(git, 'is_repository', autospec=True, return_value=False)
+@mock.patch('os.path.exists', return_value=True, autospec=True)
+def test_git_clone_invalid_local_repo_url_raises_invalid_repo_exc(*args):
+    url = 'blah'
+    with pytest.raises(exceptions.GitInvalidRepoException):
         git.git_handler(url, ref='master')