win32: try to avoid downloading offline files

It's possible that files in remote storage may not be available
locally.  Avoid downloading such files just to obtain file
attributes.

(GitHub issue #414)

1 files changed, 5 insertions, 2 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 8669cc137..d3daf8315 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -700,7 +700,9 @@ static int do_lstat(int follow, const char *file_name, struct mingw_stat *buf)
                         /* The file is not a symlink. */
                         buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
                         if (S_ISREG(buf->st_mode) &&
-                                        (has_exe_suffix(file_name) || has_exec_format(file_name)))
+                                        (has_exe_suffix(file_name) ||
+                                        (!(buf->st_attr & FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS) &&
+                                                has_exec_format(file_name))))
                                 buf->st_mode |= S_IXUSR|S_IXGRP|S_IXOTH;
                         buf->st_size = fdata.nFileSizeLow |
                                 (((off64_t)fdata.nFileSizeHigh)<<32);
@@ -711,7 +713,8 @@ static int do_lstat(int follow, const char *file_name, struct mingw_stat *buf)
                 buf->st_nlink = (buf->st_attr & FILE_ATTRIBUTE_DIRECTORY) ? 2 : 1;
 
 #if ENABLE_FEATURE_EXTRA_FILE_DATA
-                if (!(buf->st_attr & FILE_ATTRIBUTE_DEVICE)) {
+                if (!(buf->st_attr &
+                        (FILE_ATTRIBUTE_DEVICE | FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS))) {
                         DWORD flags;
                         HANDLE fh;
                         BY_HANDLE_FILE_INFORMATION hdata;