123 lines
2.4 KiB
Go
123 lines
2.4 KiB
Go
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"
|
|
)
|
|
|
|
type GitRepo struct {
|
|
r *git.Repository
|
|
h plumbing.Hash
|
|
}
|
|
|
|
func Open(path string, ref string) (*GitRepo, error) {
|
|
var err error
|
|
g := GitRepo{}
|
|
g.r, err = git.PlainOpen(path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("opening %s: %w", path, err)
|
|
}
|
|
|
|
if ref == "" {
|
|
head, err := g.r.Head()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("getting head of %s: %w", path, err)
|
|
}
|
|
g.h = head.Hash()
|
|
} else {
|
|
hash, err := g.r.ResolveRevision(plumbing.Revision(ref))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("resolving rev %s for %s: %w", ref, path, err)
|
|
}
|
|
g.h = *hash
|
|
}
|
|
return &g, nil
|
|
}
|
|
|
|
func (g *GitRepo) Commits() ([]*object.Commit, error) {
|
|
ci, err := g.r.Log(&git.LogOptions{From: g.h})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("commits from ref: %w", err)
|
|
}
|
|
|
|
commits := []*object.Commit{}
|
|
ci.ForEach(func(c *object.Commit) error {
|
|
commits = append(commits, c)
|
|
return nil
|
|
})
|
|
|
|
return commits, nil
|
|
}
|
|
|
|
func (g *GitRepo) LastCommit() (*object.Commit, error) {
|
|
c, err := g.r.CommitObject(g.h)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("last commit: %w", err)
|
|
}
|
|
return c, nil
|
|
}
|
|
|
|
func (g *GitRepo) FileContent(path string) (string, error) {
|
|
c, err := g.r.CommitObject(g.h)
|
|
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 (g *GitRepo) Tags() ([]*object.Tag, error) {
|
|
ti, err := g.r.TagObjects()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("tag objects: %w", err)
|
|
}
|
|
|
|
tags := []*object.Tag{}
|
|
|
|
_ = ti.ForEach(func(t *object.Tag) error {
|
|
tags = append(tags, t)
|
|
return nil
|
|
})
|
|
|
|
return tags, nil
|
|
}
|
|
|
|
func (g *GitRepo) Branches() ([]*plumbing.Reference, error) {
|
|
bi, err := g.r.Branches()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("branchs: %w", err)
|
|
}
|
|
|
|
branches := []*plumbing.Reference{}
|
|
|
|
_ = bi.ForEach(func(ref *plumbing.Reference) error {
|
|
branches = append(branches, ref)
|
|
return nil
|
|
})
|
|
|
|
return branches, nil
|
|
}
|
|
|
|
func (g *GitRepo) FindMainBranch(branches []string) (string, error) {
|
|
for _, b := range branches {
|
|
_, err := g.r.ResolveRevision(plumbing.Revision(b))
|
|
if err == nil {
|
|
return b, nil
|
|
}
|
|
}
|
|
return "", fmt.Errorf("unable to find main branch")
|
|
}
|