From 076905170ecb09f58c77b73602eae935aebddda0 Mon Sep 17 00:00:00 2001
From: dennisvang <29799340+dennisvang@users.noreply.github.com>
Date: Wed, 6 Sep 2023 10:28:13 +0200
Subject: [PATCH] handle 8.3 filenames in Repository.save_config()

---
 src/tufup/repo/__init__.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/tufup/repo/__init__.py b/src/tufup/repo/__init__.py
index fc362eb..27523a6 100644
--- a/src/tufup/repo/__init__.py
+++ b/src/tufup/repo/__init__.py
@@ -580,12 +580,17 @@ def save_config(self):
         for key in ['repo_dir', 'keys_dir']:
             try:
                 temp_config_dict[key] = temp_config_dict[key].relative_to(
-                    pathlib.Path.cwd()
+                    # resolve() is necessary on windows, to handle "short"
+                    # path components (a.k.a. "8.3 filename" or "8.3 alias"),
+                    # which are truncated with a tilde,
+                    # e.g. c:\Users\RUNNER~1\...
+                    pathlib.Path.cwd().resolve()
                 )
             except ValueError:
                 logger.warning(
-                    f'Saving *absolute* path in config, because the path is'
-                    f' not relative to cwd: {temp_config_dict[key]}'
+                    f'Saving *absolute* path to config, because the path'
+                    f' ({temp_config_dict[key]}) is not relative to cwd'
+                    f' ({pathlib.Path.cwd()})'
                 )
         # write file
         config_file_path.write_text(