ls patches/0001-Side-changes-1.patch patches/0002-Side-changes-2.patch patches/0003-Side-changes-3-with-n-backslash-n-in-it.patch
'
+test_expect_success 'reroll count' '
+ rm -fr patches &&
+ git format-patch -o patches --cover-letter --reroll-count 4 master..side >list &&
+ ! grep -v "^patches/v4-000[0-3]-" list &&
+ sed -n -e "/^Subject: /p" $(cat list) >subjects &&
+ ! grep -v "^Subject: \[PATCH v4 [0-3]/3\] " subjects
+'
+
+test_expect_success 'reroll count (-v)' '
+ rm -fr patches &&
+ git format-patch -o patches --cover-letter -v4 master..side >list &&
+ ! grep -v "^patches/v4-000[0-3]-" list &&
+ sed -n -e "/^Subject: /p" $(cat list) >subjects &&
+ ! grep -v "^Subject: \[PATCH v4 [0-3]/3\] " subjects
+'
+
check_threading () {
expect="$1" &&
shift &&