/
diff.go
74 lines (59 loc) · 1.19 KB
/
diff.go
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package repository
import "gopkg.in/libgit2/git2go.v24"
// DiffStatus compares the current workdir with a target ref and return the modified files
func (r *Repository) DiffStatus(ref string) ([]git.DiffDelta, error) {
deltas := []git.DiffDelta{}
oid, err := git.NewOid(ref)
if err != nil {
return nil, err
}
// This can be for a different repo
obj, err := r.Lookup(oid)
if err != nil {
return nil, err
}
commit, err := obj.AsCommit()
if err != nil {
return nil, err
}
tree, err := commit.Tree()
if err != nil {
return nil, err
}
h, err := r.Head()
if err != nil {
return nil, err
}
obj2, err := r.Lookup(h.Target())
if err != nil {
return nil, err
}
commit2, err := obj2.AsCommit()
if err != nil {
return nil, err
}
tree2, err := commit2.Tree()
if err != nil {
return nil, err
}
do, err := git.DefaultDiffOptions()
if err != nil {
return nil, err
}
diffs, err := r.DiffTreeToTree(tree, tree2, &do)
if err != nil {
return nil, err
}
n, err := diffs.NumDeltas()
if err != nil {
return nil, err
}
for i := 0; i < n; i++ {
diff, err := diffs.GetDelta(i)
if err != nil {
return nil, err
}
deltas = append(deltas, diff)
}
return deltas, nil
}