X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=test%2FT260-thread-order.sh;h=fea612757c41c4675dd3a95deaea6da7e2ef16a0;hp=99f58336f2253a8906d03cbb61028d1c954b49fb;hb=6a9626a2fdddf6115bcf97982fd10053bf48e942;hpb=ee476f1e7616fa53c492b8077b55af35662eec82

diff --git a/test/T260-thread-order.sh b/test/T260-thread-order.sh
index 99f58336..fea61275 100755
--- a/test/T260-thread-order.sh
+++ b/test/T260-thread-order.sh
@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 test_description="threading when messages received out of order"
-. ./test-lib.sh
+. $(dirname "$0")/test-lib.sh || exit 1
 
 # Generate all single-root four message thread structures.  We'll use
 # this for multiple tests below.
-THREADS=$(python ${TEST_DIRECTORY}/gen-threads.py 4)
+THREADS=$($NOTMUCH_PYTHON ${NOTMUCH_SRCDIR}/test/gen-threads.py 4)
 nthreads=$(wc -l <<< "$THREADS")
 
 test_begin_subtest "Messages with one parent get linked in all delivery orders"
@@ -45,9 +45,12 @@ for ((n = 0; n < 4; n++)); do
     while read -a parents; do
         references=""
         parent=${parents[$n]}
-        while [[ $parent != None ]]; do
+        while [[ ${parent:-None} != None ]]; do
             references="<m$parent@t$thread> $references"
+            pp=$parent
             parent=${parents[$parent]}
+            # Avoid looping over broken input (if ever)
+            parents[$pp]="None"
         done
 
         generate_message \