[PATCH jk/prune-mtime] prune: close directory earlier during loose-object directory traversal

[Johannes Sixt <j6t@kdbg.org>]

27e1e22d (prune: factor out loose-object directory traversal, 2014-10-16)
introduced a new function for_each_loose_file_in_objdir() with a helper
for_each_file_in_obj_subdir(). The latter calls callbacks for each file
found during a directory traversal and finally also a callback for the
directory itself.

git-prune uses the function to clean up the object directory. In
particular, in the directory callback it calls rmdir(). On Windows XP,
this rmdir call fails, because the directory is still open while the
callback is called. Close the directory before calling the callback.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
 My Windows 8.1 machine does not require this fix for some unkonwn
 reason. But we still cater for Windows XP users, where this change
 is a real improvement.

 sha1_file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sha1_file.c b/sha1_file.c
index 4d1b26f..5cecc68 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -3473,12 +3473,12 @@ static int for_each_file_in_obj_subdir(int subdir_nr,
 				break;
 		}
 	}
+	closedir(dir);
+
 	strbuf_setlen(path, baselen);
-
 	if (!r && subdir_cb)
 		r = subdir_cb(subdir_nr, path->buf, data);
 
-	closedir(dir);
 	return r;
 }
 
-- 
2.3.2.245.gb5bf9d3

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