From 5ba6bbe0c26b3726e7112f1103e63aaa9961838b Mon Sep 17 00:00:00 2001
From: Daniel Mach <daniel.mach@suse.com>
Date: Mon, 6 Dec 2021 14:23:51 +0100
Subject: [PATCH] conf: Preserve oscrc symlink

When a user creates a symlink pointing from ~/.config/osc/oscrc
to a different location, don't overwrite the symlink but follow
it when writing configuration on disk.
---
 osc/conf.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/osc/conf.py b/osc/conf.py
index fa12ef60..8d741625 100644
--- a/osc/conf.py
+++ b/osc/conf.py
@@ -695,8 +695,20 @@ def write_config(fname, cp):
     if os.path.exists(fname) and not os.path.isfile(fname):
         # only write to a regular file
         return
+
+    # config file is behind a symlink
+    # resolve the symlink and continue writing the config as usual
+    if os.path.islink(fname):
+        fname = os.readlink(fname)
+
+    # create directories to the config file (if they don't exist already)
     if not os.path.exists(os.path.dirname(fname)):
-        os.makedirs(os.path.dirname(fname), mode=0o700)
+        try:
+            os.makedirs(os.path.dirname(fname), mode=0o700)
+        except OSError as e:
+            if e.errno != errno.EEXIST:
+                raise
+
     with open(fname + '.new', 'w') as f:
         cp.write(f, comments=True)
     try: