diff --git a/bin/git-dif1 b/bin/git-dif1
new file mode 100755
index 0000000..e2414f4
--- /dev/null
+++ b/bin/git-dif1
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+commit=$1
+shift
+git diff ${commit}~1..${commit} "$@"