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+#!/bin/sh
+
+set -e
+
+path="$(dirname $0)"
+
+test="$1"
+makedir="$2"
+if [ -z $test ] ; then
+ echo "This script helps bisect test failures, given a test case."
+ echo ""
+ echo "Use it like this:"
+ echo " git bisect start"
+ echo " git bisect bad <commit>"
+ echo " git bisect good <commit>"
+ echo " git bisect run $0 <test name> [<compile directory>]"
+ echo ""
+ echo "(the compile directory is optional, use it if you want to"
+ echo "use an out-of-tree kernel build."
+ echo ""
+ echo "Note that, of course, you have to have a working vm-run setup."
+ exit 200 # exit git bisect run if called that way
+fi
+
+if [ -n "$makedir" ] ; then
+ cd "$makedir"
+fi
+
+yes '' | make oldconfig || exit 125
+make -j8 || exit 125
+
+output=$(mktemp)
+if [ $? -ne 0 ] ; then
+ exit 202
+fi
+finish() {
+ rm -f $output
+}
+trap finish EXIT
+
+"$path/vm-run.sh" $test 2>&1 | tee $output
+
+grep -q 'ALL-PASSED' $output && exit 0 || exit 1