Function getFileStatsFromFilePatches

plumbing/object/patch.go:289–337

(filePatches []fdiff.FilePatch)

}

func getFileStatsFromFilePatches(filePatches []fdiff.FilePatch) FileStats {
	var fileStats FileStats

	for _, fp := range filePatches {
		// ignore empty patches (binary files, submodule refs updates)
		if len(fp.Chunks()) == 0 {
			continue
		}

		cs := FileStat{}
		from, to := fp.Files()
		if from == nil {
			// New File is created.
			cs.Name = to.Path()
		} else if to == nil {
			// File is deleted.
			cs.Name = from.Path()
		} else if from.Path() != to.Path() {
			// File is renamed.
			cs.Name = fmt.Sprintf("%s => %s", from.Path(), to.Path())
		} else {
			cs.Name = from.Path()
		}

		for _, chunk := range fp.Chunks() {
			s := chunk.Content()
			if len(s) == 0 {
				continue
			}

			switch chunk.Type() {
			case fdiff.Add:
				cs.Addition += strings.Count(s, "\n")
				if s[len(s)-1] != '\n' {
					cs.Addition++
				}
			case fdiff.Delete:
				cs.Deletion += strings.Count(s, "\n")
				if s[len(s)-1] != '\n' {
					cs.Deletion++
				}
			}
		}

		fileStats = append(fileStats, cs)
	}

	return fileStats
}