Simplify by using csplit and not looking in old locations for scripts

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>

run-aa-test

@@ -79,16 +79,8 @@ else
 	CMD="$*"
 fi
 
-CMDLINE=""
-for PREFIX in '' '/usr/lib/apertis-tests/'; do
-	TOOL="${PREFIX}common/run-test-in-systemd"
-	if [ -x ${TOOL} ]; then
-		CMDLINE=${TOOL}
-		break
-	fi
-done
-
-if [ "$CMDLINE" = "" ]; then
+CMDLINE="common/run-test-in-systemd"
+if [ ! -x $CMDLINE ]; then
 	echo "common/run-test-in-systemd not found"
 	exit 1
 fi
@@ -140,24 +132,12 @@ echo "#---8<--- expected output from aa_log_extract_tokens.pl"
 cat ${EXPECT_FILE} | sed 's/^/# /'
 echo "#--->8---"
 
-cp ${EXPECT_FILE} ${TMP_DIR}/REMAIN
-
-EXPECT_COUNT=1
-
-SEPARATOR=$( grep -m1 -x -n "${ALTERNATIVE_SEPARATOR}" ${TMP_DIR}/REMAIN | cut -d: -f1 )
-while [ "${SEPARATOR}" != "" ]; do
-	echo "SEPARATOR=\"${SEPARATOR}\""
-	echo "REMAIN:"
-	cat ${TMP_DIR}/REMAIN
-	head -n $((${SEPARATOR}-1)) ${TMP_DIR}/REMAIN > ${TMP_DIR}/EXPECT${EXPECT_COUNT}
-	SEPARATOR=$((${SEPARATOR}+1))
-	tail -n +${SEPARATOR} ${TMP_DIR}/REMAIN > ${TMP_DIR}/REMAIN.new
-	mv ${TMP_DIR}/REMAIN.new ${TMP_DIR}/REMAIN
-	EXPECT_COUNT=$((${EXPECT_COUNT}+1))
-	SEPARATOR=$( grep -m1 -x -n "${ALTERNATIVE_SEPARATOR}" ${TMP_DIR}/REMAIN | cut -d: -f1 )
-done
+csplit ${EXPECT_FILE} -f ${TMP_DIR}/EXPECT -b "%d" "/^${ALTERNATIVE_SEPARATOR}$/" {*}
 
-mv ${TMP_DIR}/REMAIN ${TMP_DIR}/EXPECT${EXPECT_COUNT}
+# Old versions of csplit don't provide "--suppress-matched", strip separator separately
+for FILE in ${TMP_DIR}/EXPECT*; do
+	sed -i "/^${ALTERNATIVE_SEPARATOR}$/d" ${FILE}
+done
 
 PARSE_FILE="${TMP_DIR}/PARSE"
 
@@ -192,8 +172,8 @@ MATCH_EXPECTATION="False"
 # We might have alternative expectations, take that into consideration.
 OUTPUT_MD5=$( cat ${PARSE_FILE} | md5sum )
 COUNT=$( ls -1 ${TMP_DIR}/EXPECT* | wc -l )
-NUM=1
-while [ $((${NUM} <= ${COUNT})) = 1 ]; do
+NUM=0
+while [ $((${NUM} < ${COUNT})) = 1 ]; do
 	EXPECTED_MD5=$( cat ${TMP_DIR}/EXPECT${NUM} | md5sum )
 	if [ "${OUTPUT_MD5}" = "${EXPECTED_MD5}" ]; then
 		echo "# audit log matches alternative expectation ${NUM}/${COUNT}"