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package git
import (
"fmt"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
func AllCommits(r *git.Repository) ([]*object.Commit, error) {
ci, err := r.Log(&git.LogOptions{All: true})
if err != nil {
return nil, fmt.Errorf("all commits: %w", err)
}
commits := []*object.Commit{}
ci.ForEach(func(c *object.Commit) error {
commits = append(commits, c)
return nil
})
return commits, nil
}
// A nicer git tree representation.
type NiceTree struct {
Name string
Mode string
Size int64
IsFile bool
}
func FilesAtRef(r *git.Repository, hash plumbing.Hash, path string) ([]NiceTree, error) {
c, err := r.CommitObject(hash)
if err != nil {
return nil, fmt.Errorf("commit object: %w", err)
}
files := []NiceTree{}
tree, err := c.Tree()
if err != nil {
return nil, fmt.Errorf("file tree: %w", err)
}
if path == "" {
files = makeNiceTree(tree.Entries)
} 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 = makeNiceTree(subtree.Entries)
}
}
return files, nil
}
func FileContentAtRef(r *git.Repository, hash plumbing.Hash, path string) (string, error) {
c, err := r.CommitObject(hash)
if err != nil {
return "", fmt.Errorf("commit object: %w", err)
}
tree, err := c.Tree()
if err != nil {
return "", fmt.Errorf("file tree: %w", err)
}
file, err := tree.File(path)
if err != nil {
return "", err
}
return file.Contents()
}
func makeNiceTree(es []object.TreeEntry) []NiceTree {
nts := []NiceTree{}
for _, e := range es {
mode, _ := e.Mode.ToOSFileMode()
nts = append(nts, NiceTree{
Name: e.Name,
Mode: mode.String(),
IsFile: e.Mode.IsFile(),
})
}
return nts
}
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