+if [ ${BASH_VERSINFO[0]} -lt 4 ]; then
+ echo "Error: The notmuch test suite requires a bash version >= 4.0"
+ echo "due to use of associative arrays within the test suite."
+ echo "Please try again with a newer bash (or help us fix the"
+ echo "test suite to be more portable). Thanks."
+ exit 1
+fi
+