test: Fix test suite so that --valgrind option works.

The output is ugly, and we need a better suppressions file, but this
is at least a start.

test/basic

@@ -52,7 +52,7 @@ test_expect_code 2 'failure to clean up causes the test to fail' '
 # Ensure that all tests are being run
 test_begin_subtest 'Ensure that all available tests will be run by notmuch-test'
 tests_in_suite=$(grep TESTS= ../notmuch-test | sed -e "s/TESTS=\"\(.*\)\"/\1/" | tr " " "\n" | sort)
-available=$(ls -1 ../ | grep -v -E "^(aggregate-results.sh|Makefile|Makefile.local|notmuch-test|README|test-lib.sh|test-results|tmp.*)" | sort)
+available=$(ls -1 ../ | grep -v -E "^(aggregate-results.sh|Makefile|Makefile.local|notmuch-test|README|test-lib.sh|test-results|tmp.*|valgrind)" | sort)
 test_expect_equal "$tests_in_suite" "$available"
 
 ################################################################

test/test-lib.sh

@@ -740,7 +740,6 @@ find_notmuch_path ()
 # Test the binaries we have just built.  The tests are kept in
 # test/ subdirectory and are run in 'trash directory' subdirectory.
 TEST_DIRECTORY=$(pwd)
-# FIXME: Only the normal case bellow is updated to notmuch
 if test -n "$valgrind"
 then
 	make_symlink () {
@@ -786,15 +785,12 @@ then
 	# override all git executables in TEST_DIRECTORY/..
 	GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 	mkdir -p "$GIT_VALGRIND"/bin
-	for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
-	do
-		make_valgrind_symlink $file
-	done
+	make_valgrind_symlink $TEST_DIRECTORY/../notmuch
 	OLDIFS=$IFS
 	IFS=:
 	for path in $PATH
 	do
-		ls "$path"/git-* 2> /dev/null |
+		ls "$path"/notmuch 2> /dev/null |
 		while read file
 		do
 			make_valgrind_symlink "$file"
@@ -804,11 +800,6 @@ then
 	PATH=$GIT_VALGRIND/bin:$PATH
 	GIT_EXEC_PATH=$GIT_VALGRIND/bin
 	export GIT_VALGRIND
-elif test -n "$GIT_TEST_INSTALLED" ; then
-	GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
-	error "Cannot run git from $GIT_TEST_INSTALLED."
-	PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
-	GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 else # normal case
 	notmuch_path=`find_notmuch_path "$TEST_DIRECTORY"`
 	test -n "$notmuch_path" && PATH="$notmuch_path:$PATH"

test/valgrind/valgrind.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+base=$(basename "$0")
+
+TRACK_ORIGINS=
+
+VALGRIND_VERSION=$(valgrind --version)
+VALGRIND_MAJOR=$(expr "$VALGRIND_VERSION" : '[^0-9]*\([0-9]*\)')
+VALGRIND_MINOR=$(expr "$VALGRIND_VERSION" : '[^0-9]*[0-9]*\.\([0-9]*\)')
+test 3 -gt "$VALGRIND_MAJOR" ||
+test 3 -eq "$VALGRIND_MAJOR" -a 4 -gt "$VALGRIND_MINOR" ||
+TRACK_ORIGINS=--track-origins=yes
+
+exec valgrind -q --error-exitcode=126 \
+	--leak-check=no \
+	--suppressions="$GIT_VALGRIND/default.supp" \
+	--gen-suppressions=all \
+	$TRACK_ORIGINS \
+	--log-fd=4 \
+	--input-fd=4 \
+	$GIT_VALGRIND_OPTIONS \
+	"$GIT_VALGRIND"/../../"$base" "$@"