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os: mention fsys modifications during CopyFS

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Fixes #70465

Change-Id: I47055df9ca5b1df21a361b0b8eea4c7d157e6403
Reviewed-on: https://go-review.googlesource.com/c/go/+/639156
Commit-Queue: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This commit is contained in:
Sean Liao 2024-12-28 15:10:21 -05:00 • committed by Gopher Robot
parent 15f232456a
commit b702a26cf8
1 changed files with 3 additions and 0 deletions
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3
src/os/dir.go
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@ -145,6 +145,9 @@ func ReadDir(name string) ([]DirEntry, error) {
// //
// Symbolic links in dir are followed. // Symbolic links in dir are followed.
// //
// New files added to fsys (including if dir is a subdirectory of fsys)
// while CopyFS is running are not guaranteed to be copied.
//
// Copying stops at and returns the first error encountered. // Copying stops at and returns the first error encountered.
func CopyFS(dir string, fsys fs.FS) error { func CopyFS(dir string, fsys fs.FS) error {
return fs.WalkDir(fsys, ".", func(path string, d fs.DirEntry, err error) error { return fs.WalkDir(fsys, ".", func(path string, d fs.DirEntry, err error) error {