data-aggregator: script overhaul + modularization

Change-Id: I4353db1475f00956d19d91c8c558c34506ec836b

tools/analysis/data-aggregator/fail-analysis-common.inc.sh

@@ -0,0 +1,36 @@
+set -e
+
+if [ "$1" = -t ]; then
+	FORMAT=-t
+	shift
+else
+	FORMAT=-B
+fi
+
+if [ \( ! -z "${MUST_FILTER+x}" -a $# -ne 3 \) -o \( -z "${MUST_FILTER+x}" -a \( $# -lt 1 -o $# -gt 3 \) \) ]; then
+	if [ "$(type -t show_description)" = function ]; then
+		show_description
+		echo '' >&2
+	fi
+	if [ ! -z "${MUST_FILTER+x}" ]; then
+		echo "usage: $0 [ -t ] DATABASE BENCHMARK VARIANT" >&2
+	else
+		echo "usage: $0 [ -t ] DATABASE [ BENCHMARK [ VARIANT ] ]" >&2
+	fi
+	echo "  -t      Display output in table format (tab-separated CSV otherwise)" >&2
+	exit 1
+fi
+
+DATABASE=$1
+BENCHMARK=$2
+VARIANT=$3
+MYSQL="mysql $FORMAT $DATABASE"
+
+# don't filter anything by default
+FILTER=1
+if [ -n "$BENCHMARK" ]; then
+	FILTER="v.benchmark = '$BENCHMARK'"
+	if [ -n "$VARIANT" ]; then
+		FILTER="$FILTER AND v.variant = '$VARIANT'"
+	fi
+fi