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local: fix filtering of symlinks with -l/--links flag

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Before this fix, with the -l flag, the `.rclonelink` suffix wasn't
being added to the file names before filtering by name.

See #6855
This commit is contained in:
Nick Craig-Wood 2023-04-03 16:28:12 +01:00
parent 2b8af4d23f
commit 15a3ec8fa1
2 changed files with 55 additions and 21 deletions
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10
backend/local/local.go
View File

@ -540,11 +540,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
}
mode = fi.Mode()
}
// Don't include non directory if not included
// we leave directory filtering to the layer above
if useFilter && !fi.IsDir() && !filter.IncludeRemote(newRemote) {
continue
}
if fi.IsDir() {
// Ignore directories which are symlinks. These are junction points under windows which
// are kind of a souped up symlink. Unix doesn't have directories which are symlinks.
@ -557,6 +552,11 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
if f.opt.TranslateSymlinks && fi.Mode()&os.ModeSymlink != 0 {
newRemote += linkSuffix
}
// Don't include non directory if not included
// we leave directory filtering to the layer above
if useFilter && !filter.IncludeRemote(newRemote) {
continue
}
fso, err := f.newObjectWithInfo(newRemote, fi)
if err != nil {
return nil, err

66
backend/local/local_internal_test.go
View File

@ -397,7 +397,7 @@ func TestFilter(t *testing.T) {
require.Equal(t, "[included]", fmt.Sprint(entries))
}
func TestFilterSymlink(t *testing.T) {
func testFilterSymlink(t *testing.T, copyLinks bool) {
ctx := context.Background()
r := fstest.NewRun(t)
defer r.Finalise()
@ -411,15 +411,23 @@ func TestFilterSymlink(t *testing.T) {
require.NoError(t, os.Symlink("included.dir", filepath.Join(r.LocalName, "included.dir.link")))
require.NoError(t, os.Symlink("dangling", filepath.Join(r.LocalName, "dangling.link")))
// Set fs into "-L" mode
f.opt.FollowSymlinks = true
f.opt.TranslateSymlinks = false
f.lstat = os.Stat
// Set fs into "-l" mode
// f.opt.FollowSymlinks = false
// f.opt.TranslateSymlinks = true
// f.lstat = os.Lstat
defer func() {
// Reset -L/-l mode
f.opt.FollowSymlinks = false
f.opt.TranslateSymlinks = false
f.lstat = os.Lstat
}()
if copyLinks {
// Set fs into "-L" mode
f.opt.FollowSymlinks = true
f.opt.TranslateSymlinks = false
f.lstat = os.Stat
} else {
// Set fs into "-l" mode
f.opt.FollowSymlinks = false
f.opt.TranslateSymlinks = true
f.lstat = os.Lstat
}
// Check set up for filtering
assert.True(t, f.Features().FilterAware)
@ -431,21 +439,35 @@ func TestFilterSymlink(t *testing.T) {
// Add a filter
ctx, fi := filter.AddConfig(ctx)
require.NoError(t, fi.AddRule("+ included.file"))
require.NoError(t, fi.AddRule("+ included.file.link"))
require.NoError(t, fi.AddRule("+ included.dir/**"))
require.NoError(t, fi.AddRule("+ included.dir.link/**"))
if copyLinks {
require.NoError(t, fi.AddRule("+ included.file.link"))
require.NoError(t, fi.AddRule("+ included.dir.link/**"))
} else {
require.NoError(t, fi.AddRule("+ included.file.link.rclonelink"))
require.NoError(t, fi.AddRule("+ included.dir.link.rclonelink"))
}
require.NoError(t, fi.AddRule("- *"))
// Check listing without use filter flag
entries, err := f.List(ctx, "")
require.NoError(t, err)
// Check 1 global errors one for each dangling symlink
assert.Equal(t, int64(1), accounting.Stats(ctx).GetErrors(), "global errors found")
if copyLinks {
// Check 1 global errors one for each dangling symlink
assert.Equal(t, int64(1), accounting.Stats(ctx).GetErrors(), "global errors found")
} else {
// Check 0 global errors as dangling symlink copied properly
assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
}
accounting.Stats(ctx).ResetErrors()
sort.Sort(entries)
require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
if copyLinks {
require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
} else {
require.Equal(t, "[dangling.link.rclonelink included.dir included.dir.link.rclonelink included.file included.file.link.rclonelink]", fmt.Sprint(entries))
}
// Add user filter flag
ctx = filter.SetUseFilter(ctx, true)
@ -456,7 +478,11 @@ func TestFilterSymlink(t *testing.T) {
assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
sort.Sort(entries)
require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
if copyLinks {
require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
} else {
require.Equal(t, "[included.dir included.dir.link.rclonelink included.file included.file.link.rclonelink]", fmt.Sprint(entries))
}
// Check listing through a symlink still works
entries, err = f.List(ctx, "included.dir")
@ -466,3 +492,11 @@ func TestFilterSymlink(t *testing.T) {
sort.Sort(entries)
require.Equal(t, "[included.dir/included.sub.file]", fmt.Sprint(entries))
}
func TestFilterSymlinkCopyLinks(t *testing.T) {
testFilterSymlink(t, true)
}
func TestFilterSymlinkLinks(t *testing.T) {
testFilterSymlink(t, false)
}