mirror of
https://codeberg.org/forgejo/forgejo.git
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08bf443016
* Inital routes to git refs api * Git refs API implementation * Update swagger * Fix copyright * Make swagger happy add basic test * Fix test * Fix test again :)
137 lines
3.1 KiB
Go
137 lines
3.1 KiB
Go
package object
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import (
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"bytes"
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"io"
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"strings"
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"gopkg.in/src-d/go-git.v4/plumbing/filemode"
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"gopkg.in/src-d/go-git.v4/plumbing/storer"
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"gopkg.in/src-d/go-git.v4/utils/binary"
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"gopkg.in/src-d/go-git.v4/utils/ioutil"
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)
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// File represents git file objects.
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type File struct {
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// Name is the path of the file. It might be relative to a tree,
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// depending of the function that generates it.
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Name string
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// Mode is the file mode.
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Mode filemode.FileMode
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// Blob with the contents of the file.
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Blob
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}
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// NewFile returns a File based on the given blob object
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func NewFile(name string, m filemode.FileMode, b *Blob) *File {
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return &File{Name: name, Mode: m, Blob: *b}
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}
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// Contents returns the contents of a file as a string.
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func (f *File) Contents() (content string, err error) {
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reader, err := f.Reader()
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if err != nil {
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return "", err
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}
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defer ioutil.CheckClose(reader, &err)
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buf := new(bytes.Buffer)
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if _, err := buf.ReadFrom(reader); err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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// IsBinary returns if the file is binary or not
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func (f *File) IsBinary() (bin bool, err error) {
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reader, err := f.Reader()
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if err != nil {
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return false, err
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}
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defer ioutil.CheckClose(reader, &err)
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return binary.IsBinary(reader)
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}
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// Lines returns a slice of lines from the contents of a file, stripping
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// all end of line characters. If the last line is empty (does not end
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// in an end of line), it is also stripped.
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func (f *File) Lines() ([]string, error) {
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content, err := f.Contents()
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if err != nil {
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return nil, err
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}
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splits := strings.Split(content, "\n")
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// remove the last line if it is empty
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if splits[len(splits)-1] == "" {
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return splits[:len(splits)-1], nil
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}
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return splits, nil
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}
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// FileIter provides an iterator for the files in a tree.
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type FileIter struct {
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s storer.EncodedObjectStorer
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w TreeWalker
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}
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// NewFileIter takes a storer.EncodedObjectStorer and a Tree and returns a
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// *FileIter that iterates over all files contained in the tree, recursively.
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func NewFileIter(s storer.EncodedObjectStorer, t *Tree) *FileIter {
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return &FileIter{s: s, w: *NewTreeWalker(t, true, nil)}
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}
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// Next moves the iterator to the next file and returns a pointer to it. If
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// there are no more files, it returns io.EOF.
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func (iter *FileIter) Next() (*File, error) {
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for {
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name, entry, err := iter.w.Next()
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if err != nil {
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return nil, err
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}
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if entry.Mode == filemode.Dir || entry.Mode == filemode.Submodule {
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continue
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}
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blob, err := GetBlob(iter.s, entry.Hash)
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if err != nil {
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return nil, err
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}
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return NewFile(name, entry.Mode, blob), nil
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}
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}
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// ForEach call the cb function for each file contained in this iter until
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// an error happens or the end of the iter is reached. If plumbing.ErrStop is sent
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// the iteration is stop but no error is returned. The iterator is closed.
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func (iter *FileIter) ForEach(cb func(*File) error) error {
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defer iter.Close()
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for {
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f, err := iter.Next()
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if err != nil {
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if err == io.EOF {
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return nil
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}
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return err
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}
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if err := cb(f); err != nil {
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if err == storer.ErrStop {
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return nil
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}
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return err
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}
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}
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}
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func (iter *FileIter) Close() {
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iter.w.Close()
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}
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