[Request] [+ ] D12202: status: fix hg status race against file deletion

[aalekseyev (Arseniy Alekseyev)]

aalekseyev created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REPOSITORY
  rHG Mercurial

BRANCH
  stable

REVISION DETAIL
  https://phab.mercurial-scm.org/D12202

AFFECTED FILES
  rust/hg-core/src/dirstate_tree/status.rs

CHANGE DETAILS

diff --git a/rust/hg-core/src/dirstate_tree/status.rs b/rust/hg-core/src/dirstate_tree/status.rs
--- a/rust/hg-core/src/dirstate_tree/status.rs
+++ b/rust/hg-core/src/dirstate_tree/status.rs
@@ -713,7 +713,17 @@
         let mut results = Vec::new();
         for entry in path.read_dir()? {
             let entry = entry?;
-            let metadata = entry.metadata()?;
+            let metadata = match entry.metadata() {
+                Ok(v) => v,
+                Err(e) => {
+                    // race with file deletion?
+                    if e.kind() == std::io::ErrorKind::NotFound {
+                        continue;
+                    } else {
+                        return Err(e);
+                    }
+                }
+            };
             let name = get_bytes_from_os_string(entry.file_name());
             // FIXME don't do this when cached
             if name == b".hg" {



To: aalekseyev, #hg-reviewers
Cc: mercurial-patches, mercurial-devel
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