+ if [ ! -d "${CORPUS_DIR}/manifest" ]; then
+
+ printf "Unpacking manifests\n"
+ tar --extract --use-compress-program ${XZ} --strip-components=1 \
+ --directory ${TEST_DIRECTORY}/corpus \
+ --wildcards --file ../download/notmuch-email-corpus-${PERFTEST_VERSION}.tar.xz \
+ 'notmuch-email-corpus/manifest/*'
+ fi
+
+ file_list=$(mktemp file_listXXXXXX)
+ declare -a extract_dirs
+ if [ ! -d "$TAG_CORPUS" ] ; then
+ extract_dirs=("${extract_dirs[@]}" notmuch-email-corpus/tags)
+ fi
+
+ if [ ! -d "$MAIL_CORPUS" ] ; then
+ if [[ "$corpus_size" != "large" ]]; then
+ sed s,^,notmuch-email-corpus/, < \
+ ${TEST_DIRECTORY}/corpus/manifest/MANIFEST.${corpus_size} >> $file_list
+ else
+ extract_dirs=("${extract_dirs[@]}" notmuch-email-corpus/mail)
+ fi
+ fi
+
+ if [[ -s $file_list || -n "${extract_dirs[*]}" ]]; then
+
+ printf "Unpacking corpus\n"
+ tar --checkpoint=.5000 --extract --strip-components=1 \
+ --directory ${TEST_DIRECTORY}/corpus \
+ --use-compress-program ${XZ} \
+ --file ../download/notmuch-email-corpus-${PERFTEST_VERSION}.tar.xz \
+ --anchored --recursion \
+ --files-from $file_list "${extract_dirs[@]}"
+
+ printf "\n"
+
+ if [[ ! -d ${MAIL_CORPUS} ]]; then
+ printf "creating link farm\n"
+
+ if [[ "$corpus_size" = large ]]; then
+ cp -rl ${TEST_DIRECTORY}/corpus/mail ${MAIL_CORPUS}
+ else
+ while read -r file; do
+ tdir=${MAIL_CORPUS}/$(dirname $file)
+ mkdir -p $tdir
+ ln ${TEST_DIRECTORY}/corpus/$file $tdir
+ done <${TEST_DIRECTORY}/corpus/manifest/MANIFEST.${corpus_size}
+ fi
+ fi
+
+ fi
+
+ rm $file_list
+ cp -lr $TAG_CORPUS $TMP_DIRECTORY/corpus.tags
+ cp -lr $MAIL_CORPUS $MAIL_DIR
+}
+
+notmuch_new_with_cache ()
+{
+ if [ -d $DB_CACHE_DIR ]; then
+ cp -r $DB_CACHE_DIR ${MAIL_DIR}/.notmuch
+ else
+ "$1" 'Initial notmuch new' "notmuch new"
+ cache_database
+ fi
+}
+
+make_log_dir () {
+ local timestamp=$(date +%Y%m%dT%H%M%S)
+ log_dir=${TEST_DIRECTORY}/log.$(basename $0)-$corpus_size-${timestamp}
+ mkdir -p "${log_dir}"
+}
+
+time_start ()
+{
+ add_email_corpus
+
+ if [[ "$use_perf" = 1 ]]; then
+ make_log_dir
+ fi
+
+ print_header
+
+ notmuch_new_with_cache time_run
+}
+
+memory_start ()
+{
+ add_email_corpus
+
+ make_log_dir
+
+ notmuch_new_with_cache memory_run
+}
+
+memory_run ()
+{
+ test_count=$(($test_count+1))
+
+ log_file=$log_dir/$test_count.log
+ talloc_log=$log_dir/$test_count.talloc
+
+ printf "[ %d ]\t%s\n" $test_count "$1"
+
+ NOTMUCH_TALLOC_REPORT="$talloc_log" eval "valgrind --leak-check=full --log-file='$log_file' $2"
+
+ awk '/LEAK SUMMARY/,/suppressed/ { sub(/^==[0-9]*==/," "); print }' "$log_file"
+ echo
+ sed -n -e 's/.*[(]total *\([^)]*\)[)]/talloced at exit: \1/p' $talloc_log
+ echo
+}
+
+memory_done ()
+{
+ time_done
+}
+
+cache_database ()
+{
+ if [ -d $MAIL_DIR/.notmuch ]; then
+ cp -r $MAIL_DIR/.notmuch $DB_CACHE_DIR
+ else
+ echo "Warning: No database found to cache"
+ fi
+}
+
+uncache_database ()
+{
+ rm -rf $DB_CACHE_DIR
+}