gentoo-overlay/app-portage/layman/files/layman-2.3.0-dir_check.patch

From: Devan Franchini <twitch153@gentoo.org>
Date: Sat, 30 Apr 2016 18:54:39 -0400
Subject: [PATCH] Adds dir check for repos.conf rebuilding

--- a/layman/updater.py	2015-02-07 22:38:49.000000000 -0500
+++ b/layman/updater.py	2016-04-30 18:54:39.103894343 -0400
@@ -182,6 +182,24 @@
 
     def create_repos_conf(self):
         self.output.info("  Creating layman's repos.conf file")
+
+        if os.path.isdir(self.config['repos_conf']):
+            msg = '  create_repos_conf() error: %s is a directory and will\n'\
+                  '  not be written to.' % self.config['repos_conf']
+            self.output.error(msg)
+            return None
+
+        conf_dir = os.path.dirname(self.config['repos_conf'])
+
+        if not os.path.isdir(conf_dir):
+            try:
+                os.mkdir(conf_dir)
+            except OSError as e:
+                self.output.error('  create_repos_conf() error creating: %s: '\
+                                   % conf_dir)
+                self.output.error('  "%s"' % e)
+                return None
+
         layman_inst = LaymanAPI(config=self.config)
         overlays = {}
         for ovl in layman_inst.get_installed():