From eecbc2d35b36a70e6e3f632fb6ec98fe59758d61 Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@eff.org>
Date: Fri, 22 Sep 2017 17:42:29 -0700
Subject: [PATCH] Add certbot.hooks.list_hooks

---
 certbot/hooks.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/certbot/hooks.py b/certbot/hooks.py
index 799ef90b7..e4cc63f90 100644
--- a/certbot/hooks.py
+++ b/certbot/hooks.py
@@ -151,3 +151,15 @@ def execute(shell_cmd):
         logger.error('Error output from %s:\n%s', base_cmd, err)
     return (err, out)
 
+
+def list_hooks(dir_path):
+    """List paths to all hooks found in dir_path in sorted order.
+
+    :param str dir_path: directory to search
+
+    :returns: `list` of `str`
+    :rtype: sorted list of absolute paths to executables in dir_path
+
+    """
+    paths = (os.path.join(dir_path, f) for f in os.listdir(dir_path))
+    return sorted(path for path in paths if util.is_exe(path))