update-recipe-checksums.sh: rework

* replace for loop by while -> immediate response
* Ask bitbake for location of recipes

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

scripts/update-recipe-checksums.sh

@@ -14,19 +14,14 @@
 # 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'
+# Ask bitbake for recipe directory
+GetBitbakeEnvVar "TOPDIR"
+_TOPDIR="$BitbakeEnvVar"
 
 echo
-echo -e "${style_bold}Run bitbake -k ${1}...${style_normal}"
+echo -e "${style_bold}Run bitbake -k --runall=fetch ${1}...${style_normal}"
 
-for line in `bitbake -k $1 2>&1`; do
+bitbake -k --runall=fetch $1 2>&1 | while read line; do
    if echo "$line" | grep -q "was expected"; then
        # Shorten line to ensure not being confused by filenames containing spaces
        line=`echo "$line" | sed 's:.*checksum ::'`
@@ -34,12 +29,10 @@ for line in `bitbake -k $1 2>&1`; do
        newchecksum=`echo "$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" "$OE_SOURCE_DIR"`; do
+       for recipe in `grep -rl "$oldchecksum" "${_TOPDIR}"`; do
            if [ -f "$recipe" ]; then
                EvalExAuto "sed -i '"s:$oldchecksum:$newchecksum:"' "$recipe"" "Change checksum in $recipe to $newchecksum"
            fi
        done
    fi
 done
-IFS=$OLDIFS
-