unset GREP_OPTIONS
 
-case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
-       1|2|true)
-               echo "* warning: Some tests will not work if GIT_TRACE" \
-                       "is set as to trace on STDERR ! *"
-               echo "* warning: Please set GIT_TRACE to something" \
-                       "other than 1, 2 or true ! *"
-               ;;
-esac
-
 # Convenience
 #
 # A regexp to match 5 and 40 hexdigits
 test_skip () {
        test_count=$(($test_count+1))
        to_skip=
-       for skp in $GIT_SKIP_TESTS
+       for skp in $NOTMUCH_SKIP_TESTS
        do
                case $this_test.$test_count in
                $skp)
                make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
        }
 
-       # override all git executables in TEST_DIRECTORY/..
+       # override notmuch executable in TEST_DIRECTORY/..
        GIT_VALGRIND=$TEST_DIRECTORY/valgrind
        mkdir -p "$GIT_VALGRIND"/bin
        make_valgrind_symlink $TEST_DIRECTORY/../notmuch
 
 this_test=${0##*/}
 this_test=${this_test%%-*}
-for skp in $GIT_SKIP_TESTS
+for skp in $NOTMUCH_SKIP_TESTS
 do
        to_skip=
-       for skp in $GIT_SKIP_TESTS
+       for skp in $NOTMUCH_SKIP_TESTS
        do
                case "$this_test" in
                $skp)