From c61efccd23c827a03bdd1d41211c70479a632b86 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Sun, 14 Aug 2016 22:25:49 -0700
Subject: [PATCH] tests: diff3: work around missing seq on some systems

* tests/diff3 (seq): Provide a seq replacement function,
since at least AIX, SunOS 5.10, OpenBSD-5.8 lack it.
Reported by Assaf Gordon in https://bugs.gnu.org/24227#8
---
 tests/diff3 | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/diff3 b/tests/diff3
index a40631b..b591751 100644
--- a/tests/diff3
+++ b/tests/diff3
@@ -3,6 +3,18 @@

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

+# Some systems lack seq.
+# A limited replacement for seq: handle 1 or 2 args; increment must be 1
+seq()
+{
+  case $# in
+    1) start=1  final=$1;;
+    2) start=$1 final=$2;;
+    *) echo you lose 1>&2; exit 1;;
+  esac
+  awk 'BEGIN{for(i='$start';i<='$final';i++) print i}' < /dev/null
+}
+
 echo a > a || framework_failure_
 echo b > b || framework_failure_
 echo c > c || framework_failure_
-- 
2.8.0-rc2