#!/bin/sh

# --ignore-matching-lines

# Bug reported by Vincent Lefevre in <http://bugs.gnu.org/16864>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

fail=0

cat <<'EOF' >a

1a

2

3a

4

5

6

EOF

cat <<'EOF' >b

1b

2

3b

4

5

6

7

EOF

cat <<'EOF' >exp

@@ -1,6 +1,7 @@

-1a

+1b

 2

-3a

+3b

 4

 5

 6

+7

EOF

returns_ 1 diff -u --ignore-matching-lines 3 a b >out 2>err || fail=1

sed 1,2d out >outtail || framework_failure+

compare exp outtail || fail=1

Exit $fail