Add update-recipe-checksums.sh for automatic checksum alignment on bulk bumb

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>

scripts/update-recipe-checksums.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# raspberrypi-card-write.sh
+# (c) Copyright 2018 Andreas Müller <schnitzeltony@gmail.com>
+# Licensed under terms of GPLv2
+#
+# This script updates checksums in recipes after version bump. It run in same
+# environment as bitbake by:
+#
+# update-recipe-checksums.sh <recipe>
+#
+# where recipe can be a single recipe, a packagegroup an image or...
+
+# Includes
+. `dirname $0`/include/common-helpers.inc
+
+# Do we find bitbake
+if [ "x`which bitbake 2>/dev/null`" = "x" ] ; then
+    ErrorOut "bitbake not found! Run this script in same environment as bitbake."
+fi
+
+
+OLDIFS=$IFS
+IFS=$'\n'
+
+echo
+echo -e "${style_bold}Run bitbake -k ${1}...${style_normal}"
+
+for line in `bitbake -k $1 2>&1`; do
+   if echo "$line" | grep -q "was expected"; then
+       # Shorten line to ensure not being confused by filenames containing spaces
+       line=`echo "$line" | sed 's:.*checksum ::'`
+       # Extract checksums
+       newchecksum=`echo "$line" | awk '{print $1}'`
+       oldchecksum=`echo "$line" | awk '{print $3}'`
+       # Lazy way: just grep for old checksums to find recipes
+       for recipe in `grep -rl "$oldchecksum" "$OE_SOURCE_DIR"`; do
+           if [ -f "$recipe" ]; then
+               EvalExAuto "sed -i '"s:$oldchecksum:$newchecksum:"' "$recipe"" "Change checksum in $recipe to $newchecksum"
+           fi
+       done
+   fi
+done
+IFS=$OLDIFS
+