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Monorepo for Tangled forked from tangled.org/core
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import ( "fmt" "slices" "strconv" "strings" "time"
"github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/object" "tangled.org/core/types")
type BranchesOptions struct { Limit int Offset int}
func (g *GitRepo) Branches(opts *BranchesOptions) ([]types.Branch, error) { if opts == nil { opts = &BranchesOptions{} }
fields := []string{ "refname:short", "objectname", "authorname", "authoremail", "authordate:unix", "committername", "committeremail", "committerdate:unix", "tree", "parent", "contents", }
var outFormat strings.Builder outFormat.WriteString("--format=") for i, f := range fields { if i != 0 { outFormat.WriteString(fieldSeparator) } fmt.Fprintf(&outFormat, "%%(%s)", f) } outFormat.WriteString("") outFormat.WriteString(recordSeparator)
args := []string{outFormat.String(), "--sort=-creatordate"}
// only add the count if the limit is a non-zero value, // if it is zero, get as many tags as we can if opts.Limit > 0 { args = append(args, fmt.Sprintf("--count=%d", opts.Offset+opts.Limit)) }
args = append(args, "refs/heads")
output, err := g.forEachRef(args...) if err != nil { return nil, fmt.Errorf("failed to get branches: %w", err) }
records := strings.Split(strings.TrimSpace(string(output)), recordSeparator) if len(records) == 1 && records[0] == "" { return nil, nil }
startIdx := opts.Offset if startIdx >= len(records) { return nil, nil }
endIdx := len(records) if opts.Limit > 0 { endIdx = min(startIdx+opts.Limit, len(records)) }
records = records[startIdx:endIdx] branches := make([]types.Branch, 0, len(records))
// ignore errors here defaultBranch, _ := g.FindMainBranch()
for _, line := range records { parts := strings.SplitN(strings.TrimSpace(line), fieldSeparator, len(fields)) if len(parts) < 6 { continue }
branchName := parts[0] commitHash := plumbing.NewHash(parts[1]) authorName := parts[2] authorEmail := strings.TrimSuffix(strings.TrimPrefix(parts[3], "<"), ">") authorDate := parts[4] committerName := parts[5] committerEmail := strings.TrimSuffix(strings.TrimPrefix(parts[6], "<"), ">") committerDate := parts[7] treeHash := plumbing.NewHash(parts[8]) parentHash := plumbing.NewHash(parts[9]) message := parts[10]
// parse creation time var authoredAt, committedAt time.Time if unix, err := strconv.ParseInt(authorDate, 10, 64); err == nil { authoredAt = time.Unix(unix, 0) } if unix, err := strconv.ParseInt(committerDate, 10, 64); err == nil { committedAt = time.Unix(unix, 0) }
branch := types.Branch{ IsDefault: branchName == defaultBranch, Reference: types.Reference{ Name: branchName, Hash: commitHash.String(), }, Commit: &object.Commit{ Hash: commitHash, Author: object.Signature{ Name: authorName, Email: authorEmail, When: authoredAt, }, Committer: object.Signature{ Name: committerName, Email: committerEmail, When: committedAt, }, TreeHash: treeHash, ParentHashes: []plumbing.Hash{parentHash}, Message: message, }, }
branches = append(branches, branch) }
slices.Reverse(branches) return branches, nil}
func (g *GitRepo) Branch(name string) (*plumbing.Reference, error) { ref, err := g.r.Reference(plumbing.NewBranchReferenceName(name), false) if err != nil { return nil, fmt.Errorf("branch: %w", err) }
if !ref.Name().IsBranch() { return nil, fmt.Errorf("branch: %s is not a branch", ref.Name()) }
return ref, nil}
func (g *GitRepo) DeleteBranch(branch string) error { ref := plumbing.NewBranchReferenceName(branch) return g.r.Storer.RemoveReference(ref)}