From d7c396ffa6a71ae05a887c080e7585d2114d5835 Mon Sep 17 00:00:00 2001
From: "T. Joseph Carter" <iKarith@users.noreply.github.com>
Date: Sat, 21 Feb 2015 20:37:40 -0800
Subject: [PATCH] To be run before libretro-fetch.sh to clean up old cruft.

---
 libretro-upgrade.sh | 75 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100755 libretro-upgrade.sh

diff --git a/libretro-upgrade.sh b/libretro-upgrade.sh
new file mode 100755
index 00000000..2c62e40a
--- /dev/null
+++ b/libretro-upgrade.sh
@@ -0,0 +1,75 @@
+#! /usr/bin/env bash
+# vim: set ts=3 sw=3 noet ft=sh : bash
+
+SCRIPT="${0#./}"
+BASE_DIR="${SCRIPT%/*}"
+WORKDIR="$PWD"
+
+if [ "$BASE_DIR" = "$SCRIPT" ]; then
+	BASE_DIR="$WORKDIR"
+else
+	if [[ "$0" != /* ]]; then
+		# Make the path absolute
+		BASE_DIR="$WORKDIR/$BASE_DIR"
+	fi
+fi
+
+found_nothing=1
+
+libretro_move_libretro_common() {
+	if [ -f "$WORKDIR/libretro-sdk/file/config_file.c" ]; then
+		found_nothing=""
+		echo ""
+		echo "=== Detected old libretro-sdk (now libretro-common)"
+		if [ -d "$WORKDIR/libretro-common" ]; then
+			echo "    libretro-common already exists"
+			echo ""
+			echo -n "    Would you like to delete libretro-sdk? [y/N] : "
+			read user
+			if [[ "$user" = "y" || "$user" == "Y" ]]; then
+				echo "    Deleting libretro-sdk..."
+				rm -rf "$WORKDIR/libretro-sdk"
+			else
+				echo "Retaining libretro-sdk at your request."
+			fi
+		else
+			echo ""
+			echo "    will move it"
+			mv "$WORKDIR/libretro-sdk" "$WORKDIR/libretro-common"
+		fi
+	fi
+}
+
+libretro_bsnes_one_copy() {
+	if [ -d "$WORKDIR/libretro-bsnes/perf" ]; then
+		found_nothing=""
+		echo ""
+		echo "=== Detected bsnes duplicates"
+		echo "    libretro-super no longer needs three copies of bsnes"
+		echo ""
+		echo -n "    Would you like to delete the extras? [y/N] : "
+		read user
+		if [[ "$user" = "y" || "$user" == "Y" ]]; then
+			echo "    Deleting libretro-bsnes/balanced..."
+			rm -rf "$WORKDIR/libretro-bsnes/balanced"
+			echo "    Deleting libretro-bsnes/perf..."
+			rm -rf "$WORKDIR/libretro-bsnes/perf"
+		else
+			echo "    Retaining bsnes duplicates at your request."
+		fi
+fi
+}
+
+if [ -n "$1" ]; then
+	while [ -n "$1" ]; do
+		"$1"
+		shift
+	done
+else
+	libretro_move_libretro_common
+	libretro_bsnes_one_copy
+fi
+if [ -n "$found_nothing" ]; then
+	echo "Nothing to upgrade."
+fi
+