POSIX's diff(1) requires output in normal diff format.
However, busybox's diff's output is written in unified format.
HP-UX's diff(1) doesn't understand "-u" as of now.
Workaround this problem by checking "diff -u" output,
if we couldn't make anything from normal-diff format.
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@xxxxxxxxx>
---
t/t4124-apply-ws-rule.sh | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/t/t4124-apply-ws-rule.sh b/t/t4124-apply-ws-rule.sh
index 971a5a7512..4a1bb141d9 100755
--- a/t/t4124-apply-ws-rule.sh
+++ b/t/t4124-apply-ws-rule.sh
@@ -52,6 +52,12 @@ test_fix () {
# find touched lines
$DIFF file target | sed -n -e "s/^> //p" >fixed
+ # busybox's diff(1) doesn't output normal format
+ if ! test -s fixed; then
+ $DIFF -u file target |
+ grep -v '^+++ target' |
+ sed -ne "/^+/s/+//p" >fixed
+ fi
# the changed lines are all expected to change
fixed_cnt=$(wc -l <fixed)
--
2.26.0.rc2.357.g1e1ba0441d
