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authorGravatar Runxi Yu2026-04-02 06:23:30 +0000
committerGravatar Runxi Yu2026-04-02 06:28:39 +0000
commita041d523de389b65b98a5373a8034041db2a8d83 (patch)
tree7b423dc735f463be616045f2c3c2095a7737aca7 /object/fetch/treefs_open.go
parentresearch: Add dynamic pack resources (diff)
signatureNo signature
*: Remove
Diffstat (limited to 'object/fetch/treefs_open.go')
-rw-r--r--object/fetch/treefs_open.go122
1 files changed, 0 insertions, 122 deletions
diff --git a/object/fetch/treefs_open.go b/object/fetch/treefs_open.go
deleted file mode 100644
index fc0f7635..00000000
--- a/object/fetch/treefs_open.go
+++ /dev/null
@@ -1,122 +0,0 @@
-package fetch
-
-import (
- "fmt"
- "io"
- "io/fs"
-
- "codeberg.org/lindenii/furgit/object/tree"
-)
-
-// Open opens name for reading.
-//
-// Directories are returned as fs.ReadDirFile values. Gitlink entries are not
-// readable through TreeFS.
-func (treeFS *TreeFS) Open(name string) (fs.File, error) {
- entry, err := treeFS.resolvePath(treeFSOpOpen, name)
- if err != nil {
- return nil, err
- }
-
- info, err := treeFS.statEntry(entry)
- if err != nil {
- return nil, treeFSPathError(treeFSOpOpen, name, err)
- }
-
- if entry.isDir() {
- treeID, err := entry.subtreeID()
- if err != nil {
- return nil, treeFSPathError(treeFSOpOpen, name, err)
- }
-
- tree, err := treeFS.fetcher.ExactTree(treeID)
- if err != nil {
- return nil, treeFSPathError(treeFSOpOpen, name, err)
- }
-
- entries := make([]fs.DirEntry, 0, len(tree.Object().Entries))
- for _, child := range tree.Object().Entries {
- childEntry := treeEntryValue{
- name: string(child.Name),
- mode: child.Mode,
- objectID: child.ID,
- treeEntry: &child,
- }
-
- childInfo, err := treeFS.statEntry(childEntry)
- if err != nil {
- return nil, treeFSPathError(treeFSOpOpen, name, err)
- }
-
- entries = append(entries, childInfo)
- }
-
- return &treeFSDir{
- info: info,
- entries: entries,
- }, nil
- }
-
- if entry.mode == tree.FileModeGitlink {
- return nil, treeFSPathError(treeFSOpOpen, name, fmt.Errorf("object/fetch: gitlink entries are not readable as files"))
- }
-
- reader, _, err := treeFS.fetcher.ExactBlobReader(entry.objectID)
- if err != nil {
- return nil, treeFSPathError(treeFSOpOpen, name, err)
- }
-
- return &treeFSBlob{
- info: info,
- reader: reader,
- }, nil
-}
-
-type treeFSBlob struct {
- info *treeFSInfo
- reader io.ReadCloser
-}
-
-var _ fs.File = (*treeFSBlob)(nil)
-
-func (file *treeFSBlob) Stat() (fs.FileInfo, error) { return file.info, nil }
-func (file *treeFSBlob) Read(p []byte) (int, error) { return file.reader.Read(p) }
-func (file *treeFSBlob) Close() error { return file.reader.Close() }
-
-type treeFSDir struct {
- info *treeFSInfo
- entries []fs.DirEntry
- offset int
-}
-
-var (
- _ fs.File = (*treeFSDir)(nil)
- _ fs.ReadDirFile = (*treeFSDir)(nil)
-)
-
-func (dir *treeFSDir) Stat() (fs.FileInfo, error) { return dir.info, nil }
-func (dir *treeFSDir) Close() error { return nil }
-
-func (dir *treeFSDir) Read(_ []byte) (int, error) {
- return 0, fs.ErrInvalid
-}
-
-func (dir *treeFSDir) ReadDir(n int) ([]fs.DirEntry, error) {
- if dir.offset >= len(dir.entries) && n > 0 {
- return nil, io.EOF
- }
-
- if n <= 0 {
- out := append([]fs.DirEntry(nil), dir.entries[dir.offset:]...)
- dir.offset = len(dir.entries)
-
- return out, nil
- }
-
- end := min(dir.offset+n, len(dir.entries))
-
- out := append([]fs.DirEntry(nil), dir.entries[dir.offset:end]...)
- dir.offset = end
-
- return out, nil
-}