panic: runtime error: index out of range [-1]
github.com/bluekeyes/go-gitdiff/gitdiff.(*parser).ParseTextChunk
github.com/bluekeyes/go-gitdiff/gitdiff.(*parser).ParseTextFragments
github.com/bluekeyes/go-gitdiff/gitdiff.Parse
github.com/bluekeyes/go-gitdiff/gitdiff.Fuzz
go-fuzz-dep.Main
main.main
