git: rework diff to fetch initial commit
1 file changed, 27 insertions(+), 13 deletions(-)
changed files
M git/diff.go → git/diff.go
@@ -44,19 +44,28 @@ if err != nil { return nil, fmt.Errorf("commit object: %w", err) } - var parent *object.Commit - if len(c.ParentHashes) > 0 { - parent, err = c.Parent(0) - if err != nil { - return nil, fmt.Errorf("getting parent: %w", err) + patch := &object.Patch{} + commitTree, err := c.Tree() + parent := &object.Commit{} + if err == nil { + parentTree := &object.Tree{} + if c.NumParents() != 0 { + parent, err = c.Parents().Next() + if err == nil { + parentTree, err = parent.Tree() + if err == nil { + patch, err = parentTree.Patch(commitTree) + if err != nil { + return nil, fmt.Errorf("patch: %w", err) + } + } + } + } else { + patch, err = parentTree.Patch(commitTree) + if err != nil { + return nil, fmt.Errorf("patch: %w", err) + } } - } else { - parent = c - } - - patch, err := parent.Patch(c) - if err != nil { - return nil, fmt.Errorf("patch: %w", err) } diffs, _, err := gitdiff.Parse(strings.NewReader(patch.String()))@@ -66,7 +75,12 @@ } nd := NiceDiff{} nd.Commit.This = c.Hash.String() - nd.Commit.Parent = parent.Hash.String() + + if parent.Hash.IsZero() { + nd.Commit.Parent = "" + } else { + nd.Commit.Parent = parent.Hash.String() + } nd.Commit.Author = c.Author nd.Commit.Message = c.Message