wip: start of commit package

pkg/commit/parser.go

@@ -0,0 +1,21 @@
+package commit
+
+import "bytes"
+
+const (
+	cr = 13
+	lf = 10
+)
+
+func paragraphs(input []byte) [][]byte {
+	cln := bytes.ReplaceAll(input, []byte{cr, lf}, []byte{lf})
+	cln = bytes.ReplaceAll(cln, []byte{cr}, []byte{lf})
+
+	ps := bytes.Split(cln, []byte{lf, lf})
+
+	for i, p := range ps {
+		ps[i] = bytes.Trim(p, "\r\n")
+	}
+
+	return ps
+}