Added git-config-as

bash/bashrc/sources/12_shortcuts

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+function git-config-as {
+	local SHA NAME EMAIL
+	SHA=$1
+	if [ -z "$1" ]; then
+		SHA=HEAD
+	fi
+	NAME=$( git log $SHA -1 --pretty=format:%aN )
+	EMAIL=$( git log $SHA -1 --pretty=format:%ae )
+
+	git config user.name "$NAME"
+	git config user.email "$EMAIL"
+	echo "Configured as \"$NAME <$EMAIL>\""
+}
+