mugit/internal/git/tree.go(view raw)
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package git
import (
"errors"
"fmt"
"io"
"mime"
"path"
"path/filepath"
"strings"
"github.com/go-git/go-git/v5/plumbing/object"
)
type NiceTree struct {
IsFile bool
Name string
Commit *Commit
Mode string
Size int64
}
func (g *Repo) makeNiceTree(t *object.Tree, parent string) []NiceTree {
var nts []NiceTree
for _, e := range t.Entries {
mode, _ := e.Mode.ToOSFileMode()
sz, _ := t.Size(e.Name)
// TODO: this should be cached, its pretty expensive
lc, _ := g.lastCommitForFile(path.Join(parent, e.Name))
nts = append(nts, NiceTree{
Name: e.Name,
Mode: mode.String(),
IsFile: e.Mode.IsFile(),
Commit: lc,
Size: sz,
})
}
return nts
}
func (g *Repo) FileTree(path string) ([]NiceTree, error) {
c, err := g.r.CommitObject(g.h)
if err != nil {
return nil, fmt.Errorf("commit object: %w", err)
}
tree, err := c.Tree()
if err != nil {
return nil, fmt.Errorf("file tree: %w", err)
}
var files []NiceTree
if path == "" {
files = g.makeNiceTree(tree, path)
} else {
o, err := tree.FindEntry(path)
if err != nil {
return nil, err
}
if !o.Mode.IsFile() {
subtree, err := tree.Tree(path)
if err != nil {
return nil, err
}
files = g.makeNiceTree(subtree, path)
}
}
return files, nil
}
type FileContent struct {
IsBinary bool
IsImage bool
Content []byte
Mime string
Size int64
}
func (fc *FileContent) String() string {
if fc.IsBinary || fc.IsImage {
return ""
}
return string(fc.Content)
}
func (g *Repo) FileContent(path string) (*FileContent, error) {
c, err := g.r.CommitObject(g.h)
if err != nil {
return &FileContent{}, fmt.Errorf("commit object: %w", err)
}
tree, err := c.Tree()
if err != nil {
return &FileContent{}, fmt.Errorf("file tree: %w", err)
}
file, err := tree.File(path)
if err != nil {
if errors.Is(err, object.ErrFileNotFound) {
return &FileContent{}, ErrFileNotFound
}
return &FileContent{}, err
}
reader, err := file.Reader()
if err != nil {
return nil, fmt.Errorf("file reader: %w", err)
}
defer reader.Close()
content, err := io.ReadAll(reader)
if err != nil {
return nil, fmt.Errorf("read file: %w", err)
}
isBin, _ := file.IsBinary()
mimeType := mime.TypeByExtension(filepath.Ext(path))
if mimeType == "" {
mimeType = "text/plain"
if isBin {
mimeType = "application/octet-stream"
}
}
return &FileContent{
IsBinary: isBin,
IsImage: strings.HasPrefix(mimeType, "image/"),
Content: content,
Mime: mimeType,
Size: file.Size,
}, nil
}
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